diff options
Diffstat (limited to 'src/opus-1.1/silk')
161 files changed, 0 insertions, 26498 deletions
diff --git a/src/opus-1.1/silk/A2NLSF.c b/src/opus-1.1/silk/A2NLSF.c deleted file mode 100644 index 74b1b95d..00000000 --- a/src/opus-1.1/silk/A2NLSF.c +++ /dev/null @@ -1,252 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -/* Conversion between prediction filter coefficients and NLSFs */ -/* Requires the order to be an even number */ -/* A piecewise linear approximation maps LSF <-> cos(LSF) */ -/* Therefore the result is not accurate NLSFs, but the two */ -/* functions are accurate inverses of each other */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "tables.h" - -/* Number of binary divisions, when not in low complexity mode */ -#define BIN_DIV_STEPS_A2NLSF_FIX 3 /* must be no higher than 16 - log2( LSF_COS_TAB_SZ_FIX ) */ -#define MAX_ITERATIONS_A2NLSF_FIX 30 - -/* Helper function for A2NLSF(..) */ -/* Transforms polynomials from cos(n*f) to cos(f)^n */ -static OPUS_INLINE void silk_A2NLSF_trans_poly( - opus_int32 *p, /* I/O Polynomial */ - const opus_int dd /* I Polynomial order (= filter order / 2 ) */ -) -{ - opus_int k, n; - - for( k = 2; k <= dd; k++ ) { - for( n = dd; n > k; n-- ) { - p[ n - 2 ] -= p[ n ]; - } - p[ k - 2 ] -= silk_LSHIFT( p[ k ], 1 ); - } -} -/* Helper function for A2NLSF(..) */ -/* Polynomial evaluation */ -static OPUS_INLINE opus_int32 silk_A2NLSF_eval_poly( /* return the polynomial evaluation, in Q16 */ - opus_int32 *p, /* I Polynomial, Q16 */ - const opus_int32 x, /* I Evaluation point, Q12 */ - const opus_int dd /* I Order */ -) -{ - opus_int n; - opus_int32 x_Q16, y32; - - y32 = p[ dd ]; /* Q16 */ - x_Q16 = silk_LSHIFT( x, 4 ); - for( n = dd - 1; n >= 0; n-- ) { - y32 = silk_SMLAWW( p[ n ], y32, x_Q16 ); /* Q16 */ - } - return y32; -} - -static OPUS_INLINE void silk_A2NLSF_init( - const opus_int32 *a_Q16, - opus_int32 *P, - opus_int32 *Q, - const opus_int dd -) -{ - opus_int k; - - /* Convert filter coefs to even and odd polynomials */ - P[dd] = silk_LSHIFT( 1, 16 ); - Q[dd] = silk_LSHIFT( 1, 16 ); - for( k = 0; k < dd; k++ ) { - P[ k ] = -a_Q16[ dd - k - 1 ] - a_Q16[ dd + k ]; /* Q16 */ - Q[ k ] = -a_Q16[ dd - k - 1 ] + a_Q16[ dd + k ]; /* Q16 */ - } - - /* Divide out zeros as we have that for even filter orders, */ - /* z = 1 is always a root in Q, and */ - /* z = -1 is always a root in P */ - for( k = dd; k > 0; k-- ) { - P[ k - 1 ] -= P[ k ]; - Q[ k - 1 ] += Q[ k ]; - } - - /* Transform polynomials from cos(n*f) to cos(f)^n */ - silk_A2NLSF_trans_poly( P, dd ); - silk_A2NLSF_trans_poly( Q, dd ); -} - -/* Compute Normalized Line Spectral Frequencies (NLSFs) from whitening filter coefficients */ -/* If not all roots are found, the a_Q16 coefficients are bandwidth expanded until convergence. */ -void silk_A2NLSF( - opus_int16 *NLSF, /* O Normalized Line Spectral Frequencies in Q15 (0..2^15-1) [d] */ - opus_int32 *a_Q16, /* I/O Monic whitening filter coefficients in Q16 [d] */ - const opus_int d /* I Filter order (must be even) */ -) -{ - opus_int i, k, m, dd, root_ix, ffrac; - opus_int32 xlo, xhi, xmid; - opus_int32 ylo, yhi, ymid, thr; - opus_int32 nom, den; - opus_int32 P[ SILK_MAX_ORDER_LPC / 2 + 1 ]; - opus_int32 Q[ SILK_MAX_ORDER_LPC / 2 + 1 ]; - opus_int32 *PQ[ 2 ]; - opus_int32 *p; - - /* Store pointers to array */ - PQ[ 0 ] = P; - PQ[ 1 ] = Q; - - dd = silk_RSHIFT( d, 1 ); - - silk_A2NLSF_init( a_Q16, P, Q, dd ); - - /* Find roots, alternating between P and Q */ - p = P; /* Pointer to polynomial */ - - xlo = silk_LSFCosTab_FIX_Q12[ 0 ]; /* Q12*/ - ylo = silk_A2NLSF_eval_poly( p, xlo, dd ); - - if( ylo < 0 ) { - /* Set the first NLSF to zero and move on to the next */ - NLSF[ 0 ] = 0; - p = Q; /* Pointer to polynomial */ - ylo = silk_A2NLSF_eval_poly( p, xlo, dd ); - root_ix = 1; /* Index of current root */ - } else { - root_ix = 0; /* Index of current root */ - } - k = 1; /* Loop counter */ - i = 0; /* Counter for bandwidth expansions applied */ - thr = 0; - while( 1 ) { - /* Evaluate polynomial */ - xhi = silk_LSFCosTab_FIX_Q12[ k ]; /* Q12 */ - yhi = silk_A2NLSF_eval_poly( p, xhi, dd ); - - /* Detect zero crossing */ - if( ( ylo <= 0 && yhi >= thr ) || ( ylo >= 0 && yhi <= -thr ) ) { - if( yhi == 0 ) { - /* If the root lies exactly at the end of the current */ - /* interval, look for the next root in the next interval */ - thr = 1; - } else { - thr = 0; - } - /* Binary division */ - ffrac = -256; - for( m = 0; m < BIN_DIV_STEPS_A2NLSF_FIX; m++ ) { - /* Evaluate polynomial */ - xmid = silk_RSHIFT_ROUND( xlo + xhi, 1 ); - ymid = silk_A2NLSF_eval_poly( p, xmid, dd ); - - /* Detect zero crossing */ - if( ( ylo <= 0 && ymid >= 0 ) || ( ylo >= 0 && ymid <= 0 ) ) { - /* Reduce frequency */ - xhi = xmid; - yhi = ymid; - } else { - /* Increase frequency */ - xlo = xmid; - ylo = ymid; - ffrac = silk_ADD_RSHIFT( ffrac, 128, m ); - } - } - - /* Interpolate */ - if( silk_abs( ylo ) < 65536 ) { - /* Avoid dividing by zero */ - den = ylo - yhi; - nom = silk_LSHIFT( ylo, 8 - BIN_DIV_STEPS_A2NLSF_FIX ) + silk_RSHIFT( den, 1 ); - if( den != 0 ) { - ffrac += silk_DIV32( nom, den ); - } - } else { - /* No risk of dividing by zero because abs(ylo - yhi) >= abs(ylo) >= 65536 */ - ffrac += silk_DIV32( ylo, silk_RSHIFT( ylo - yhi, 8 - BIN_DIV_STEPS_A2NLSF_FIX ) ); - } - NLSF[ root_ix ] = (opus_int16)silk_min_32( silk_LSHIFT( (opus_int32)k, 8 ) + ffrac, silk_int16_MAX ); - - silk_assert( NLSF[ root_ix ] >= 0 ); - - root_ix++; /* Next root */ - if( root_ix >= d ) { - /* Found all roots */ - break; - } - /* Alternate pointer to polynomial */ - p = PQ[ root_ix & 1 ]; - - /* Evaluate polynomial */ - xlo = silk_LSFCosTab_FIX_Q12[ k - 1 ]; /* Q12*/ - ylo = silk_LSHIFT( 1 - ( root_ix & 2 ), 12 ); - } else { - /* Increment loop counter */ - k++; - xlo = xhi; - ylo = yhi; - thr = 0; - - if( k > LSF_COS_TAB_SZ_FIX ) { - i++; - if( i > MAX_ITERATIONS_A2NLSF_FIX ) { - /* Set NLSFs to white spectrum and exit */ - NLSF[ 0 ] = (opus_int16)silk_DIV32_16( 1 << 15, d + 1 ); - for( k = 1; k < d; k++ ) { - NLSF[ k ] = (opus_int16)silk_SMULBB( k + 1, NLSF[ 0 ] ); - } - return; - } - - /* Error: Apply progressively more bandwidth expansion and run again */ - silk_bwexpander_32( a_Q16, d, 65536 - silk_SMULBB( 10 + i, i ) ); /* 10_Q16 = 0.00015*/ - - silk_A2NLSF_init( a_Q16, P, Q, dd ); - p = P; /* Pointer to polynomial */ - xlo = silk_LSFCosTab_FIX_Q12[ 0 ]; /* Q12*/ - ylo = silk_A2NLSF_eval_poly( p, xlo, dd ); - if( ylo < 0 ) { - /* Set the first NLSF to zero and move on to the next */ - NLSF[ 0 ] = 0; - p = Q; /* Pointer to polynomial */ - ylo = silk_A2NLSF_eval_poly( p, xlo, dd ); - root_ix = 1; /* Index of current root */ - } else { - root_ix = 0; /* Index of current root */ - } - k = 1; /* Reset loop counter */ - } - } - } -} diff --git a/src/opus-1.1/silk/API.h b/src/opus-1.1/silk/API.h deleted file mode 100644 index f0601bcf..00000000 --- a/src/opus-1.1/silk/API.h +++ /dev/null @@ -1,133 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_API_H -#define SILK_API_H - -#include "control.h" -#include "typedef.h" -#include "errors.h" -#include "entenc.h" -#include "entdec.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -#define SILK_MAX_FRAMES_PER_PACKET 3 - -/* Struct for TOC (Table of Contents) */ -typedef struct { - opus_int VADFlag; /* Voice activity for packet */ - opus_int VADFlags[ SILK_MAX_FRAMES_PER_PACKET ]; /* Voice activity for each frame in packet */ - opus_int inbandFECFlag; /* Flag indicating if packet contains in-band FEC */ -} silk_TOC_struct; - -/****************************************/ -/* Encoder functions */ -/****************************************/ - -/***********************************************/ -/* Get size in bytes of the Silk encoder state */ -/***********************************************/ -opus_int silk_Get_Encoder_Size( /* O Returns error code */ - opus_int *encSizeBytes /* O Number of bytes in SILK encoder state */ -); - -/*************************/ -/* Init or reset encoder */ -/*************************/ -opus_int silk_InitEncoder( /* O Returns error code */ - void *encState, /* I/O State */ - int arch, /* I Run-time architecture */ - silk_EncControlStruct *encStatus /* O Encoder Status */ -); - -/**************************/ -/* Encode frame with Silk */ -/**************************/ -/* Note: if prefillFlag is set, the input must contain 10 ms of audio, irrespective of what */ -/* encControl->payloadSize_ms is set to */ -opus_int silk_Encode( /* O Returns error code */ - void *encState, /* I/O State */ - silk_EncControlStruct *encControl, /* I Control status */ - const opus_int16 *samplesIn, /* I Speech sample input vector */ - opus_int nSamplesIn, /* I Number of samples in input vector */ - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int32 *nBytesOut, /* I/O Number of bytes in payload (input: Max bytes) */ - const opus_int prefillFlag /* I Flag to indicate prefilling buffers no coding */ -); - -/****************************************/ -/* Decoder functions */ -/****************************************/ - -/***********************************************/ -/* Get size in bytes of the Silk decoder state */ -/***********************************************/ -opus_int silk_Get_Decoder_Size( /* O Returns error code */ - opus_int *decSizeBytes /* O Number of bytes in SILK decoder state */ -); - -/*************************/ -/* Init or Reset decoder */ -/*************************/ -opus_int silk_InitDecoder( /* O Returns error code */ - void *decState /* I/O State */ -); - -/******************/ -/* Decode a frame */ -/******************/ -opus_int silk_Decode( /* O Returns error code */ - void* decState, /* I/O State */ - silk_DecControlStruct* decControl, /* I/O Control Structure */ - opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ - opus_int newPacketFlag, /* I Indicates first decoder call for this packet */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int16 *samplesOut, /* O Decoded output speech vector */ - opus_int32 *nSamplesOut /* O Number of samples decoded */ -); - -#if 0 -/**************************************/ -/* Get table of contents for a packet */ -/**************************************/ -opus_int silk_get_TOC( - const opus_uint8 *payload, /* I Payload data */ - const opus_int nBytesIn, /* I Number of input bytes */ - const opus_int nFramesPerPayload, /* I Number of SILK frames per payload */ - silk_TOC_struct *Silk_TOC /* O Type of content */ -); -#endif - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/CNG.c b/src/opus-1.1/silk/CNG.c deleted file mode 100644 index 8481d95d..00000000 --- a/src/opus-1.1/silk/CNG.c +++ /dev/null @@ -1,172 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -/* Generates excitation for CNG LPC synthesis */ -static OPUS_INLINE void silk_CNG_exc( - opus_int32 residual_Q10[], /* O CNG residual signal Q10 */ - opus_int32 exc_buf_Q14[], /* I Random samples buffer Q10 */ - opus_int32 Gain_Q16, /* I Gain to apply */ - opus_int length, /* I Length */ - opus_int32 *rand_seed /* I/O Seed to random index generator */ -) -{ - opus_int32 seed; - opus_int i, idx, exc_mask; - - exc_mask = CNG_BUF_MASK_MAX; - while( exc_mask > length ) { - exc_mask = silk_RSHIFT( exc_mask, 1 ); - } - - seed = *rand_seed; - for( i = 0; i < length; i++ ) { - seed = silk_RAND( seed ); - idx = (opus_int)( silk_RSHIFT( seed, 24 ) & exc_mask ); - silk_assert( idx >= 0 ); - silk_assert( idx <= CNG_BUF_MASK_MAX ); - residual_Q10[ i ] = (opus_int16)silk_SAT16( silk_SMULWW( exc_buf_Q14[ idx ], Gain_Q16 >> 4 ) ); - } - *rand_seed = seed; -} - -void silk_CNG_Reset( - silk_decoder_state *psDec /* I/O Decoder state */ -) -{ - opus_int i, NLSF_step_Q15, NLSF_acc_Q15; - - NLSF_step_Q15 = silk_DIV32_16( silk_int16_MAX, psDec->LPC_order + 1 ); - NLSF_acc_Q15 = 0; - for( i = 0; i < psDec->LPC_order; i++ ) { - NLSF_acc_Q15 += NLSF_step_Q15; - psDec->sCNG.CNG_smth_NLSF_Q15[ i ] = NLSF_acc_Q15; - } - psDec->sCNG.CNG_smth_Gain_Q16 = 0; - psDec->sCNG.rand_seed = 3176576; -} - -/* Updates CNG estimate, and applies the CNG when packet was lost */ -void silk_CNG( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[], /* I/O Signal */ - opus_int length /* I Length of residual */ -) -{ - opus_int i, subfr; - opus_int32 sum_Q6, max_Gain_Q16; - opus_int16 A_Q12[ MAX_LPC_ORDER ]; - silk_CNG_struct *psCNG = &psDec->sCNG; - SAVE_STACK; - - if( psDec->fs_kHz != psCNG->fs_kHz ) { - /* Reset state */ - silk_CNG_Reset( psDec ); - - psCNG->fs_kHz = psDec->fs_kHz; - } - if( psDec->lossCnt == 0 && psDec->prevSignalType == TYPE_NO_VOICE_ACTIVITY ) { - /* Update CNG parameters */ - - /* Smoothing of LSF's */ - for( i = 0; i < psDec->LPC_order; i++ ) { - psCNG->CNG_smth_NLSF_Q15[ i ] += silk_SMULWB( (opus_int32)psDec->prevNLSF_Q15[ i ] - (opus_int32)psCNG->CNG_smth_NLSF_Q15[ i ], CNG_NLSF_SMTH_Q16 ); - } - /* Find the subframe with the highest gain */ - max_Gain_Q16 = 0; - subfr = 0; - for( i = 0; i < psDec->nb_subfr; i++ ) { - if( psDecCtrl->Gains_Q16[ i ] > max_Gain_Q16 ) { - max_Gain_Q16 = psDecCtrl->Gains_Q16[ i ]; - subfr = i; - } - } - /* Update CNG excitation buffer with excitation from this subframe */ - silk_memmove( &psCNG->CNG_exc_buf_Q14[ psDec->subfr_length ], psCNG->CNG_exc_buf_Q14, ( psDec->nb_subfr - 1 ) * psDec->subfr_length * sizeof( opus_int32 ) ); - silk_memcpy( psCNG->CNG_exc_buf_Q14, &psDec->exc_Q14[ subfr * psDec->subfr_length ], psDec->subfr_length * sizeof( opus_int32 ) ); - - /* Smooth gains */ - for( i = 0; i < psDec->nb_subfr; i++ ) { - psCNG->CNG_smth_Gain_Q16 += silk_SMULWB( psDecCtrl->Gains_Q16[ i ] - psCNG->CNG_smth_Gain_Q16, CNG_GAIN_SMTH_Q16 ); - } - } - - /* Add CNG when packet is lost or during DTX */ - if( psDec->lossCnt ) { - VARDECL( opus_int32, CNG_sig_Q10 ); - - ALLOC( CNG_sig_Q10, length + MAX_LPC_ORDER, opus_int32 ); - - /* Generate CNG excitation */ - silk_CNG_exc( CNG_sig_Q10 + MAX_LPC_ORDER, psCNG->CNG_exc_buf_Q14, psCNG->CNG_smth_Gain_Q16, length, &psCNG->rand_seed ); - - /* Convert CNG NLSF to filter representation */ - silk_NLSF2A( A_Q12, psCNG->CNG_smth_NLSF_Q15, psDec->LPC_order ); - - /* Generate CNG signal, by synthesis filtering */ - silk_memcpy( CNG_sig_Q10, psCNG->CNG_synth_state, MAX_LPC_ORDER * sizeof( opus_int32 ) ); - for( i = 0; i < length; i++ ) { - silk_assert( psDec->LPC_order == 10 || psDec->LPC_order == 16 ); - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - sum_Q6 = silk_RSHIFT( psDec->LPC_order, 1 ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 1 ], A_Q12[ 0 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 2 ], A_Q12[ 1 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 3 ], A_Q12[ 2 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 4 ], A_Q12[ 3 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 5 ], A_Q12[ 4 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 6 ], A_Q12[ 5 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 7 ], A_Q12[ 6 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 8 ], A_Q12[ 7 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 9 ], A_Q12[ 8 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 10 ], A_Q12[ 9 ] ); - if( psDec->LPC_order == 16 ) { - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 11 ], A_Q12[ 10 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 12 ], A_Q12[ 11 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 13 ], A_Q12[ 12 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 14 ], A_Q12[ 13 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 15 ], A_Q12[ 14 ] ); - sum_Q6 = silk_SMLAWB( sum_Q6, CNG_sig_Q10[ MAX_LPC_ORDER + i - 16 ], A_Q12[ 15 ] ); - } - - /* Update states */ - CNG_sig_Q10[ MAX_LPC_ORDER + i ] = silk_ADD_LSHIFT( CNG_sig_Q10[ MAX_LPC_ORDER + i ], sum_Q6, 4 ); - - frame[ i ] = silk_ADD_SAT16( frame[ i ], silk_RSHIFT_ROUND( sum_Q6, 6 ) ); - } - silk_memcpy( psCNG->CNG_synth_state, &CNG_sig_Q10[ length ], MAX_LPC_ORDER * sizeof( opus_int32 ) ); - } else { - silk_memset( psCNG->CNG_synth_state, 0, psDec->LPC_order * sizeof( opus_int32 ) ); - } - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/HP_variable_cutoff.c b/src/opus-1.1/silk/HP_variable_cutoff.c deleted file mode 100644 index bbe10f04..00000000 --- a/src/opus-1.1/silk/HP_variable_cutoff.c +++ /dev/null @@ -1,77 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#ifdef FIXED_POINT -#include "main_FIX.h" -#else -#include "main_FLP.h" -#endif -#include "tuning_parameters.h" - -/* High-pass filter with cutoff frequency adaptation based on pitch lag statistics */ -void silk_HP_variable_cutoff( - silk_encoder_state_Fxx state_Fxx[] /* I/O Encoder states */ -) -{ - opus_int quality_Q15; - opus_int32 pitch_freq_Hz_Q16, pitch_freq_log_Q7, delta_freq_Q7; - silk_encoder_state *psEncC1 = &state_Fxx[ 0 ].sCmn; - - /* Adaptive cutoff frequency: estimate low end of pitch frequency range */ - if( psEncC1->prevSignalType == TYPE_VOICED ) { - /* difference, in log domain */ - pitch_freq_Hz_Q16 = silk_DIV32_16( silk_LSHIFT( silk_MUL( psEncC1->fs_kHz, 1000 ), 16 ), psEncC1->prevLag ); - pitch_freq_log_Q7 = silk_lin2log( pitch_freq_Hz_Q16 ) - ( 16 << 7 ); - - /* adjustment based on quality */ - quality_Q15 = psEncC1->input_quality_bands_Q15[ 0 ]; - pitch_freq_log_Q7 = silk_SMLAWB( pitch_freq_log_Q7, silk_SMULWB( silk_LSHIFT( -quality_Q15, 2 ), quality_Q15 ), - pitch_freq_log_Q7 - ( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ) ) ); - - /* delta_freq = pitch_freq_log - psEnc->variable_HP_smth1; */ - delta_freq_Q7 = pitch_freq_log_Q7 - silk_RSHIFT( psEncC1->variable_HP_smth1_Q15, 8 ); - if( delta_freq_Q7 < 0 ) { - /* less smoothing for decreasing pitch frequency, to track something close to the minimum */ - delta_freq_Q7 = silk_MUL( delta_freq_Q7, 3 ); - } - - /* limit delta, to reduce impact of outliers in pitch estimation */ - delta_freq_Q7 = silk_LIMIT_32( delta_freq_Q7, -SILK_FIX_CONST( VARIABLE_HP_MAX_DELTA_FREQ, 7 ), SILK_FIX_CONST( VARIABLE_HP_MAX_DELTA_FREQ, 7 ) ); - - /* update smoother */ - psEncC1->variable_HP_smth1_Q15 = silk_SMLAWB( psEncC1->variable_HP_smth1_Q15, - silk_SMULBB( psEncC1->speech_activity_Q8, delta_freq_Q7 ), SILK_FIX_CONST( VARIABLE_HP_SMTH_COEF1, 16 ) ); - - /* limit frequency range */ - psEncC1->variable_HP_smth1_Q15 = silk_LIMIT_32( psEncC1->variable_HP_smth1_Q15, - silk_LSHIFT( silk_lin2log( VARIABLE_HP_MIN_CUTOFF_HZ ), 8 ), - silk_LSHIFT( silk_lin2log( VARIABLE_HP_MAX_CUTOFF_HZ ), 8 ) ); - } -} diff --git a/src/opus-1.1/silk/Inlines.h b/src/opus-1.1/silk/Inlines.h deleted file mode 100644 index ec986cdf..00000000 --- a/src/opus-1.1/silk/Inlines.h +++ /dev/null @@ -1,188 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -/*! \file silk_Inlines.h - * \brief silk_Inlines.h defines OPUS_INLINE signal processing functions. - */ - -#ifndef SILK_FIX_INLINES_H -#define SILK_FIX_INLINES_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* count leading zeros of opus_int64 */ -static OPUS_INLINE opus_int32 silk_CLZ64( opus_int64 in ) -{ - opus_int32 in_upper; - - in_upper = (opus_int32)silk_RSHIFT64(in, 32); - if (in_upper == 0) { - /* Search in the lower 32 bits */ - return 32 + silk_CLZ32( (opus_int32) in ); - } else { - /* Search in the upper 32 bits */ - return silk_CLZ32( in_upper ); - } -} - -/* get number of leading zeros and fractional part (the bits right after the leading one */ -static OPUS_INLINE void silk_CLZ_FRAC( - opus_int32 in, /* I input */ - opus_int32 *lz, /* O number of leading zeros */ - opus_int32 *frac_Q7 /* O the 7 bits right after the leading one */ -) -{ - opus_int32 lzeros = silk_CLZ32(in); - - * lz = lzeros; - * frac_Q7 = silk_ROR32(in, 24 - lzeros) & 0x7f; -} - -/* Approximation of square root */ -/* Accuracy: < +/- 10% for output values > 15 */ -/* < +/- 2.5% for output values > 120 */ -static OPUS_INLINE opus_int32 silk_SQRT_APPROX( opus_int32 x ) -{ - opus_int32 y, lz, frac_Q7; - - if( x <= 0 ) { - return 0; - } - - silk_CLZ_FRAC(x, &lz, &frac_Q7); - - if( lz & 1 ) { - y = 32768; - } else { - y = 46214; /* 46214 = sqrt(2) * 32768 */ - } - - /* get scaling right */ - y >>= silk_RSHIFT(lz, 1); - - /* increment using fractional part of input */ - y = silk_SMLAWB(y, y, silk_SMULBB(213, frac_Q7)); - - return y; -} - -/* Divide two int32 values and return result as int32 in a given Q-domain */ -static OPUS_INLINE opus_int32 silk_DIV32_varQ( /* O returns a good approximation of "(a32 << Qres) / b32" */ - const opus_int32 a32, /* I numerator (Q0) */ - const opus_int32 b32, /* I denominator (Q0) */ - const opus_int Qres /* I Q-domain of result (>= 0) */ -) -{ - opus_int a_headrm, b_headrm, lshift; - opus_int32 b32_inv, a32_nrm, b32_nrm, result; - - silk_assert( b32 != 0 ); - silk_assert( Qres >= 0 ); - - /* Compute number of bits head room and normalize inputs */ - a_headrm = silk_CLZ32( silk_abs(a32) ) - 1; - a32_nrm = silk_LSHIFT(a32, a_headrm); /* Q: a_headrm */ - b_headrm = silk_CLZ32( silk_abs(b32) ) - 1; - b32_nrm = silk_LSHIFT(b32, b_headrm); /* Q: b_headrm */ - - /* Inverse of b32, with 14 bits of precision */ - b32_inv = silk_DIV32_16( silk_int32_MAX >> 2, silk_RSHIFT(b32_nrm, 16) ); /* Q: 29 + 16 - b_headrm */ - - /* First approximation */ - result = silk_SMULWB(a32_nrm, b32_inv); /* Q: 29 + a_headrm - b_headrm */ - - /* Compute residual by subtracting product of denominator and first approximation */ - /* It's OK to overflow because the final value of a32_nrm should always be small */ - a32_nrm = silk_SUB32_ovflw(a32_nrm, silk_LSHIFT_ovflw( silk_SMMUL(b32_nrm, result), 3 )); /* Q: a_headrm */ - - /* Refinement */ - result = silk_SMLAWB(result, a32_nrm, b32_inv); /* Q: 29 + a_headrm - b_headrm */ - - /* Convert to Qres domain */ - lshift = 29 + a_headrm - b_headrm - Qres; - if( lshift < 0 ) { - return silk_LSHIFT_SAT32(result, -lshift); - } else { - if( lshift < 32){ - return silk_RSHIFT(result, lshift); - } else { - /* Avoid undefined result */ - return 0; - } - } -} - -/* Invert int32 value and return result as int32 in a given Q-domain */ -static OPUS_INLINE opus_int32 silk_INVERSE32_varQ( /* O returns a good approximation of "(1 << Qres) / b32" */ - const opus_int32 b32, /* I denominator (Q0) */ - const opus_int Qres /* I Q-domain of result (> 0) */ -) -{ - opus_int b_headrm, lshift; - opus_int32 b32_inv, b32_nrm, err_Q32, result; - - silk_assert( b32 != 0 ); - silk_assert( Qres > 0 ); - - /* Compute number of bits head room and normalize input */ - b_headrm = silk_CLZ32( silk_abs(b32) ) - 1; - b32_nrm = silk_LSHIFT(b32, b_headrm); /* Q: b_headrm */ - - /* Inverse of b32, with 14 bits of precision */ - b32_inv = silk_DIV32_16( silk_int32_MAX >> 2, silk_RSHIFT(b32_nrm, 16) ); /* Q: 29 + 16 - b_headrm */ - - /* First approximation */ - result = silk_LSHIFT(b32_inv, 16); /* Q: 61 - b_headrm */ - - /* Compute residual by subtracting product of denominator and first approximation from one */ - err_Q32 = silk_LSHIFT( ((opus_int32)1<<29) - silk_SMULWB(b32_nrm, b32_inv), 3 ); /* Q32 */ - - /* Refinement */ - result = silk_SMLAWW(result, err_Q32, b32_inv); /* Q: 61 - b_headrm */ - - /* Convert to Qres domain */ - lshift = 61 - b_headrm - Qres; - if( lshift <= 0 ) { - return silk_LSHIFT_SAT32(result, -lshift); - } else { - if( lshift < 32){ - return silk_RSHIFT(result, lshift); - }else{ - /* Avoid undefined result */ - return 0; - } - } -} - -#ifdef __cplusplus -} -#endif - -#endif /* SILK_FIX_INLINES_H */ diff --git a/src/opus-1.1/silk/LPC_analysis_filter.c b/src/opus-1.1/silk/LPC_analysis_filter.c deleted file mode 100644 index 9d1f16cb..00000000 --- a/src/opus-1.1/silk/LPC_analysis_filter.c +++ /dev/null @@ -1,106 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "celt_lpc.h" - -/*******************************************/ -/* LPC analysis filter */ -/* NB! State is kept internally and the */ -/* filter always starts with zero state */ -/* first d output samples are set to zero */ -/*******************************************/ - -void silk_LPC_analysis_filter( - opus_int16 *out, /* O Output signal */ - const opus_int16 *in, /* I Input signal */ - const opus_int16 *B, /* I MA prediction coefficients, Q12 [order] */ - const opus_int32 len, /* I Signal length */ - const opus_int32 d /* I Filter order */ -) -{ - opus_int j; -#ifdef FIXED_POINT - opus_int16 mem[SILK_MAX_ORDER_LPC]; - opus_int16 num[SILK_MAX_ORDER_LPC]; -#else - int ix; - opus_int32 out32_Q12, out32; - const opus_int16 *in_ptr; -#endif - - silk_assert( d >= 6 ); - silk_assert( (d & 1) == 0 ); - silk_assert( d <= len ); - -#ifdef FIXED_POINT - silk_assert( d <= SILK_MAX_ORDER_LPC ); - for ( j = 0; j < d; j++ ) { - num[ j ] = -B[ j ]; - } - for (j=0;j<d;j++) { - mem[ j ] = in[ d - j - 1 ]; - } - celt_fir( in + d, num, out + d, len - d, d, mem ); - for ( j = 0; j < d; j++ ) { - out[ j ] = 0; - } -#else - for( ix = d; ix < len; ix++ ) { - in_ptr = &in[ ix - 1 ]; - - out32_Q12 = silk_SMULBB( in_ptr[ 0 ], B[ 0 ] ); - /* Allowing wrap around so that two wraps can cancel each other. The rare - cases where the result wraps around can only be triggered by invalid streams*/ - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -1 ], B[ 1 ] ); - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -2 ], B[ 2 ] ); - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -3 ], B[ 3 ] ); - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -4 ], B[ 4 ] ); - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -5 ], B[ 5 ] ); - for( j = 6; j < d; j += 2 ) { - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -j ], B[ j ] ); - out32_Q12 = silk_SMLABB_ovflw( out32_Q12, in_ptr[ -j - 1 ], B[ j + 1 ] ); - } - - /* Subtract prediction */ - out32_Q12 = silk_SUB32_ovflw( silk_LSHIFT( (opus_int32)in_ptr[ 1 ], 12 ), out32_Q12 ); - - /* Scale to Q0 */ - out32 = silk_RSHIFT_ROUND( out32_Q12, 12 ); - - /* Saturate output */ - out[ ix ] = (opus_int16)silk_SAT16( out32 ); - } - - /* Set first d output samples to zero */ - silk_memset( out, 0, d * sizeof( opus_int16 ) ); -#endif -} diff --git a/src/opus-1.1/silk/LPC_inv_pred_gain.c b/src/opus-1.1/silk/LPC_inv_pred_gain.c deleted file mode 100644 index 4af89aa5..00000000 --- a/src/opus-1.1/silk/LPC_inv_pred_gain.c +++ /dev/null @@ -1,154 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -#define QA 24 -#define A_LIMIT SILK_FIX_CONST( 0.99975, QA ) - -#define MUL32_FRAC_Q(a32, b32, Q) ((opus_int32)(silk_RSHIFT_ROUND64(silk_SMULL(a32, b32), Q))) - -/* Compute inverse of LPC prediction gain, and */ -/* test if LPC coefficients are stable (all poles within unit circle) */ -static opus_int32 LPC_inverse_pred_gain_QA( /* O Returns inverse prediction gain in energy domain, Q30 */ - opus_int32 A_QA[ 2 ][ SILK_MAX_ORDER_LPC ], /* I Prediction coefficients */ - const opus_int order /* I Prediction order */ -) -{ - opus_int k, n, mult2Q; - opus_int32 invGain_Q30, rc_Q31, rc_mult1_Q30, rc_mult2, tmp_QA; - opus_int32 *Aold_QA, *Anew_QA; - - Anew_QA = A_QA[ order & 1 ]; - - invGain_Q30 = (opus_int32)1 << 30; - for( k = order - 1; k > 0; k-- ) { - /* Check for stability */ - if( ( Anew_QA[ k ] > A_LIMIT ) || ( Anew_QA[ k ] < -A_LIMIT ) ) { - return 0; - } - - /* Set RC equal to negated AR coef */ - rc_Q31 = -silk_LSHIFT( Anew_QA[ k ], 31 - QA ); - - /* rc_mult1_Q30 range: [ 1 : 2^30 ] */ - rc_mult1_Q30 = ( (opus_int32)1 << 30 ) - silk_SMMUL( rc_Q31, rc_Q31 ); - silk_assert( rc_mult1_Q30 > ( 1 << 15 ) ); /* reduce A_LIMIT if fails */ - silk_assert( rc_mult1_Q30 <= ( 1 << 30 ) ); - - /* rc_mult2 range: [ 2^30 : silk_int32_MAX ] */ - mult2Q = 32 - silk_CLZ32( silk_abs( rc_mult1_Q30 ) ); - rc_mult2 = silk_INVERSE32_varQ( rc_mult1_Q30, mult2Q + 30 ); - - /* Update inverse gain */ - /* invGain_Q30 range: [ 0 : 2^30 ] */ - invGain_Q30 = silk_LSHIFT( silk_SMMUL( invGain_Q30, rc_mult1_Q30 ), 2 ); - silk_assert( invGain_Q30 >= 0 ); - silk_assert( invGain_Q30 <= ( 1 << 30 ) ); - - /* Swap pointers */ - Aold_QA = Anew_QA; - Anew_QA = A_QA[ k & 1 ]; - - /* Update AR coefficient */ - for( n = 0; n < k; n++ ) { - tmp_QA = Aold_QA[ n ] - MUL32_FRAC_Q( Aold_QA[ k - n - 1 ], rc_Q31, 31 ); - Anew_QA[ n ] = MUL32_FRAC_Q( tmp_QA, rc_mult2 , mult2Q ); - } - } - - /* Check for stability */ - if( ( Anew_QA[ 0 ] > A_LIMIT ) || ( Anew_QA[ 0 ] < -A_LIMIT ) ) { - return 0; - } - - /* Set RC equal to negated AR coef */ - rc_Q31 = -silk_LSHIFT( Anew_QA[ 0 ], 31 - QA ); - - /* Range: [ 1 : 2^30 ] */ - rc_mult1_Q30 = ( (opus_int32)1 << 30 ) - silk_SMMUL( rc_Q31, rc_Q31 ); - - /* Update inverse gain */ - /* Range: [ 0 : 2^30 ] */ - invGain_Q30 = silk_LSHIFT( silk_SMMUL( invGain_Q30, rc_mult1_Q30 ), 2 ); - silk_assert( invGain_Q30 >= 0 ); - silk_assert( invGain_Q30 <= 1<<30 ); - - return invGain_Q30; -} - -/* For input in Q12 domain */ -opus_int32 silk_LPC_inverse_pred_gain( /* O Returns inverse prediction gain in energy domain, Q30 */ - const opus_int16 *A_Q12, /* I Prediction coefficients, Q12 [order] */ - const opus_int order /* I Prediction order */ -) -{ - opus_int k; - opus_int32 Atmp_QA[ 2 ][ SILK_MAX_ORDER_LPC ]; - opus_int32 *Anew_QA; - opus_int32 DC_resp = 0; - - Anew_QA = Atmp_QA[ order & 1 ]; - - /* Increase Q domain of the AR coefficients */ - for( k = 0; k < order; k++ ) { - DC_resp += (opus_int32)A_Q12[ k ]; - Anew_QA[ k ] = silk_LSHIFT32( (opus_int32)A_Q12[ k ], QA - 12 ); - } - /* If the DC is unstable, we don't even need to do the full calculations */ - if( DC_resp >= 4096 ) { - return 0; - } - return LPC_inverse_pred_gain_QA( Atmp_QA, order ); -} - -#ifdef FIXED_POINT - -/* For input in Q24 domain */ -opus_int32 silk_LPC_inverse_pred_gain_Q24( /* O Returns inverse prediction gain in energy domain, Q30 */ - const opus_int32 *A_Q24, /* I Prediction coefficients [order] */ - const opus_int order /* I Prediction order */ -) -{ - opus_int k; - opus_int32 Atmp_QA[ 2 ][ SILK_MAX_ORDER_LPC ]; - opus_int32 *Anew_QA; - - Anew_QA = Atmp_QA[ order & 1 ]; - - /* Increase Q domain of the AR coefficients */ - for( k = 0; k < order; k++ ) { - Anew_QA[ k ] = silk_RSHIFT32( A_Q24[ k ], 24 - QA ); - } - - return LPC_inverse_pred_gain_QA( Atmp_QA, order ); -} -#endif diff --git a/src/opus-1.1/silk/LP_variable_cutoff.c b/src/opus-1.1/silk/LP_variable_cutoff.c deleted file mode 100644 index f639e1f8..00000000 --- a/src/opus-1.1/silk/LP_variable_cutoff.c +++ /dev/null @@ -1,135 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* - Elliptic/Cauer filters designed with 0.1 dB passband ripple, - 80 dB minimum stopband attenuation, and - [0.95 : 0.15 : 0.35] normalized cut off frequencies. -*/ - -#include "main.h" - -/* Helper function, interpolates the filter taps */ -static OPUS_INLINE void silk_LP_interpolate_filter_taps( - opus_int32 B_Q28[ TRANSITION_NB ], - opus_int32 A_Q28[ TRANSITION_NA ], - const opus_int ind, - const opus_int32 fac_Q16 -) -{ - opus_int nb, na; - - if( ind < TRANSITION_INT_NUM - 1 ) { - if( fac_Q16 > 0 ) { - if( fac_Q16 < 32768 ) { /* fac_Q16 is in range of a 16-bit int */ - /* Piece-wise linear interpolation of B and A */ - for( nb = 0; nb < TRANSITION_NB; nb++ ) { - B_Q28[ nb ] = silk_SMLAWB( - silk_Transition_LP_B_Q28[ ind ][ nb ], - silk_Transition_LP_B_Q28[ ind + 1 ][ nb ] - - silk_Transition_LP_B_Q28[ ind ][ nb ], - fac_Q16 ); - } - for( na = 0; na < TRANSITION_NA; na++ ) { - A_Q28[ na ] = silk_SMLAWB( - silk_Transition_LP_A_Q28[ ind ][ na ], - silk_Transition_LP_A_Q28[ ind + 1 ][ na ] - - silk_Transition_LP_A_Q28[ ind ][ na ], - fac_Q16 ); - } - } else { /* ( fac_Q16 - ( 1 << 16 ) ) is in range of a 16-bit int */ - silk_assert( fac_Q16 - ( 1 << 16 ) == silk_SAT16( fac_Q16 - ( 1 << 16 ) ) ); - /* Piece-wise linear interpolation of B and A */ - for( nb = 0; nb < TRANSITION_NB; nb++ ) { - B_Q28[ nb ] = silk_SMLAWB( - silk_Transition_LP_B_Q28[ ind + 1 ][ nb ], - silk_Transition_LP_B_Q28[ ind + 1 ][ nb ] - - silk_Transition_LP_B_Q28[ ind ][ nb ], - fac_Q16 - ( (opus_int32)1 << 16 ) ); - } - for( na = 0; na < TRANSITION_NA; na++ ) { - A_Q28[ na ] = silk_SMLAWB( - silk_Transition_LP_A_Q28[ ind + 1 ][ na ], - silk_Transition_LP_A_Q28[ ind + 1 ][ na ] - - silk_Transition_LP_A_Q28[ ind ][ na ], - fac_Q16 - ( (opus_int32)1 << 16 ) ); - } - } - } else { - silk_memcpy( B_Q28, silk_Transition_LP_B_Q28[ ind ], TRANSITION_NB * sizeof( opus_int32 ) ); - silk_memcpy( A_Q28, silk_Transition_LP_A_Q28[ ind ], TRANSITION_NA * sizeof( opus_int32 ) ); - } - } else { - silk_memcpy( B_Q28, silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM - 1 ], TRANSITION_NB * sizeof( opus_int32 ) ); - silk_memcpy( A_Q28, silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM - 1 ], TRANSITION_NA * sizeof( opus_int32 ) ); - } -} - -/* Low-pass filter with variable cutoff frequency based on */ -/* piece-wise linear interpolation between elliptic filters */ -/* Start by setting psEncC->mode <> 0; */ -/* Deactivate by setting psEncC->mode = 0; */ -void silk_LP_variable_cutoff( - silk_LP_state *psLP, /* I/O LP filter state */ - opus_int16 *frame, /* I/O Low-pass filtered output signal */ - const opus_int frame_length /* I Frame length */ -) -{ - opus_int32 B_Q28[ TRANSITION_NB ], A_Q28[ TRANSITION_NA ], fac_Q16 = 0; - opus_int ind = 0; - - silk_assert( psLP->transition_frame_no >= 0 && psLP->transition_frame_no <= TRANSITION_FRAMES ); - - /* Run filter if needed */ - if( psLP->mode != 0 ) { - /* Calculate index and interpolation factor for interpolation */ -#if( TRANSITION_INT_STEPS == 64 ) - fac_Q16 = silk_LSHIFT( TRANSITION_FRAMES - psLP->transition_frame_no, 16 - 6 ); -#else - fac_Q16 = silk_DIV32_16( silk_LSHIFT( TRANSITION_FRAMES - psLP->transition_frame_no, 16 ), TRANSITION_FRAMES ); -#endif - ind = silk_RSHIFT( fac_Q16, 16 ); - fac_Q16 -= silk_LSHIFT( ind, 16 ); - - silk_assert( ind >= 0 ); - silk_assert( ind < TRANSITION_INT_NUM ); - - /* Interpolate filter coefficients */ - silk_LP_interpolate_filter_taps( B_Q28, A_Q28, ind, fac_Q16 ); - - /* Update transition frame number for next frame */ - psLP->transition_frame_no = silk_LIMIT( psLP->transition_frame_no + psLP->mode, 0, TRANSITION_FRAMES ); - - /* ARMA low-pass filtering */ - silk_assert( TRANSITION_NB == 3 && TRANSITION_NA == 2 ); - silk_biquad_alt( frame, B_Q28, A_Q28, psLP->In_LP_State, frame, frame_length, 1); - } -} diff --git a/src/opus-1.1/silk/MacroCount.h b/src/opus-1.1/silk/MacroCount.h deleted file mode 100644 index 834817d0..00000000 --- a/src/opus-1.1/silk/MacroCount.h +++ /dev/null @@ -1,718 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SIGPROCFIX_API_MACROCOUNT_H -#define SIGPROCFIX_API_MACROCOUNT_H -#include <stdio.h> - -#ifdef silk_MACRO_COUNT -#define varDefine opus_int64 ops_count = 0; - -extern opus_int64 ops_count; - -static OPUS_INLINE opus_int64 silk_SaveCount(){ - return(ops_count); -} - -static OPUS_INLINE opus_int64 silk_SaveResetCount(){ - opus_int64 ret; - - ret = ops_count; - ops_count = 0; - return(ret); -} - -static OPUS_INLINE silk_PrintCount(){ - printf("ops_count = %d \n ", (opus_int32)ops_count); -} - -#undef silk_MUL -static OPUS_INLINE opus_int32 silk_MUL(opus_int32 a32, opus_int32 b32){ - opus_int32 ret; - ops_count += 4; - ret = a32 * b32; - return ret; -} - -#undef silk_MUL_uint -static OPUS_INLINE opus_uint32 silk_MUL_uint(opus_uint32 a32, opus_uint32 b32){ - opus_uint32 ret; - ops_count += 4; - ret = a32 * b32; - return ret; -} -#undef silk_MLA -static OPUS_INLINE opus_int32 silk_MLA(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - ops_count += 4; - ret = a32 + b32 * c32; - return ret; -} - -#undef silk_MLA_uint -static OPUS_INLINE opus_int32 silk_MLA_uint(opus_uint32 a32, opus_uint32 b32, opus_uint32 c32){ - opus_uint32 ret; - ops_count += 4; - ret = a32 + b32 * c32; - return ret; -} - -#undef silk_SMULWB -static OPUS_INLINE opus_int32 silk_SMULWB(opus_int32 a32, opus_int32 b32){ - opus_int32 ret; - ops_count += 5; - ret = (a32 >> 16) * (opus_int32)((opus_int16)b32) + (((a32 & 0x0000FFFF) * (opus_int32)((opus_int16)b32)) >> 16); - return ret; -} -#undef silk_SMLAWB -static OPUS_INLINE opus_int32 silk_SMLAWB(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - ops_count += 5; - ret = ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16))); - return ret; -} - -#undef silk_SMULWT -static OPUS_INLINE opus_int32 silk_SMULWT(opus_int32 a32, opus_int32 b32){ - opus_int32 ret; - ops_count += 4; - ret = (a32 >> 16) * (b32 >> 16) + (((a32 & 0x0000FFFF) * (b32 >> 16)) >> 16); - return ret; -} -#undef silk_SMLAWT -static OPUS_INLINE opus_int32 silk_SMLAWT(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - ops_count += 4; - ret = a32 + ((b32 >> 16) * (c32 >> 16)) + (((b32 & 0x0000FFFF) * ((c32 >> 16)) >> 16)); - return ret; -} - -#undef silk_SMULBB -static OPUS_INLINE opus_int32 silk_SMULBB(opus_int32 a32, opus_int32 b32){ - opus_int32 ret; - ops_count += 1; - ret = (opus_int32)((opus_int16)a32) * (opus_int32)((opus_int16)b32); - return ret; -} -#undef silk_SMLABB -static OPUS_INLINE opus_int32 silk_SMLABB(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - ops_count += 1; - ret = a32 + (opus_int32)((opus_int16)b32) * (opus_int32)((opus_int16)c32); - return ret; -} - -#undef silk_SMULBT -static OPUS_INLINE opus_int32 silk_SMULBT(opus_int32 a32, opus_int32 b32 ){ - opus_int32 ret; - ops_count += 4; - ret = ((opus_int32)((opus_int16)a32)) * (b32 >> 16); - return ret; -} - -#undef silk_SMLABT -static OPUS_INLINE opus_int32 silk_SMLABT(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - ops_count += 1; - ret = a32 + ((opus_int32)((opus_int16)b32)) * (c32 >> 16); - return ret; -} - -#undef silk_SMULTT -static OPUS_INLINE opus_int32 silk_SMULTT(opus_int32 a32, opus_int32 b32){ - opus_int32 ret; - ops_count += 1; - ret = (a32 >> 16) * (b32 >> 16); - return ret; -} - -#undef silk_SMLATT -static OPUS_INLINE opus_int32 silk_SMLATT(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - ops_count += 1; - ret = a32 + (b32 >> 16) * (c32 >> 16); - return ret; -} - - -/* multiply-accumulate macros that allow overflow in the addition (ie, no asserts in debug mode)*/ -#undef silk_MLA_ovflw -#define silk_MLA_ovflw silk_MLA - -#undef silk_SMLABB_ovflw -#define silk_SMLABB_ovflw silk_SMLABB - -#undef silk_SMLABT_ovflw -#define silk_SMLABT_ovflw silk_SMLABT - -#undef silk_SMLATT_ovflw -#define silk_SMLATT_ovflw silk_SMLATT - -#undef silk_SMLAWB_ovflw -#define silk_SMLAWB_ovflw silk_SMLAWB - -#undef silk_SMLAWT_ovflw -#define silk_SMLAWT_ovflw silk_SMLAWT - -#undef silk_SMULL -static OPUS_INLINE opus_int64 silk_SMULL(opus_int32 a32, opus_int32 b32){ - opus_int64 ret; - ops_count += 8; - ret = ((opus_int64)(a32) * /*(opus_int64)*/(b32)); - return ret; -} - -#undef silk_SMLAL -static OPUS_INLINE opus_int64 silk_SMLAL(opus_int64 a64, opus_int32 b32, opus_int32 c32){ - opus_int64 ret; - ops_count += 8; - ret = a64 + ((opus_int64)(b32) * /*(opus_int64)*/(c32)); - return ret; -} -#undef silk_SMLALBB -static OPUS_INLINE opus_int64 silk_SMLALBB(opus_int64 a64, opus_int16 b16, opus_int16 c16){ - opus_int64 ret; - ops_count += 4; - ret = a64 + ((opus_int64)(b16) * /*(opus_int64)*/(c16)); - return ret; -} - -#undef SigProcFIX_CLZ16 -static OPUS_INLINE opus_int32 SigProcFIX_CLZ16(opus_int16 in16) -{ - opus_int32 out32 = 0; - ops_count += 10; - if( in16 == 0 ) { - return 16; - } - /* test nibbles */ - if( in16 & 0xFF00 ) { - if( in16 & 0xF000 ) { - in16 >>= 12; - } else { - out32 += 4; - in16 >>= 8; - } - } else { - if( in16 & 0xFFF0 ) { - out32 += 8; - in16 >>= 4; - } else { - out32 += 12; - } - } - /* test bits and return */ - if( in16 & 0xC ) { - if( in16 & 0x8 ) - return out32 + 0; - else - return out32 + 1; - } else { - if( in16 & 0xE ) - return out32 + 2; - else - return out32 + 3; - } -} - -#undef SigProcFIX_CLZ32 -static OPUS_INLINE opus_int32 SigProcFIX_CLZ32(opus_int32 in32) -{ - /* test highest 16 bits and convert to opus_int16 */ - ops_count += 2; - if( in32 & 0xFFFF0000 ) { - return SigProcFIX_CLZ16((opus_int16)(in32 >> 16)); - } else { - return SigProcFIX_CLZ16((opus_int16)in32) + 16; - } -} - -#undef silk_DIV32 -static OPUS_INLINE opus_int32 silk_DIV32(opus_int32 a32, opus_int32 b32){ - ops_count += 64; - return a32 / b32; -} - -#undef silk_DIV32_16 -static OPUS_INLINE opus_int32 silk_DIV32_16(opus_int32 a32, opus_int32 b32){ - ops_count += 32; - return a32 / b32; -} - -#undef silk_SAT8 -static OPUS_INLINE opus_int8 silk_SAT8(opus_int64 a){ - opus_int8 tmp; - ops_count += 1; - tmp = (opus_int8)((a) > silk_int8_MAX ? silk_int8_MAX : \ - ((a) < silk_int8_MIN ? silk_int8_MIN : (a))); - return(tmp); -} - -#undef silk_SAT16 -static OPUS_INLINE opus_int16 silk_SAT16(opus_int64 a){ - opus_int16 tmp; - ops_count += 1; - tmp = (opus_int16)((a) > silk_int16_MAX ? silk_int16_MAX : \ - ((a) < silk_int16_MIN ? silk_int16_MIN : (a))); - return(tmp); -} -#undef silk_SAT32 -static OPUS_INLINE opus_int32 silk_SAT32(opus_int64 a){ - opus_int32 tmp; - ops_count += 1; - tmp = (opus_int32)((a) > silk_int32_MAX ? silk_int32_MAX : \ - ((a) < silk_int32_MIN ? silk_int32_MIN : (a))); - return(tmp); -} -#undef silk_POS_SAT32 -static OPUS_INLINE opus_int32 silk_POS_SAT32(opus_int64 a){ - opus_int32 tmp; - ops_count += 1; - tmp = (opus_int32)((a) > silk_int32_MAX ? silk_int32_MAX : (a)); - return(tmp); -} - -#undef silk_ADD_POS_SAT8 -static OPUS_INLINE opus_int8 silk_ADD_POS_SAT8(opus_int64 a, opus_int64 b){ - opus_int8 tmp; - ops_count += 1; - tmp = (opus_int8)((((a)+(b)) & 0x80) ? silk_int8_MAX : ((a)+(b))); - return(tmp); -} -#undef silk_ADD_POS_SAT16 -static OPUS_INLINE opus_int16 silk_ADD_POS_SAT16(opus_int64 a, opus_int64 b){ - opus_int16 tmp; - ops_count += 1; - tmp = (opus_int16)((((a)+(b)) & 0x8000) ? silk_int16_MAX : ((a)+(b))); - return(tmp); -} - -#undef silk_ADD_POS_SAT32 -static OPUS_INLINE opus_int32 silk_ADD_POS_SAT32(opus_int64 a, opus_int64 b){ - opus_int32 tmp; - ops_count += 1; - tmp = (opus_int32)((((a)+(b)) & 0x80000000) ? silk_int32_MAX : ((a)+(b))); - return(tmp); -} - -#undef silk_ADD_POS_SAT64 -static OPUS_INLINE opus_int64 silk_ADD_POS_SAT64(opus_int64 a, opus_int64 b){ - opus_int64 tmp; - ops_count += 1; - tmp = ((((a)+(b)) & 0x8000000000000000LL) ? silk_int64_MAX : ((a)+(b))); - return(tmp); -} - -#undef silk_LSHIFT8 -static OPUS_INLINE opus_int8 silk_LSHIFT8(opus_int8 a, opus_int32 shift){ - opus_int8 ret; - ops_count += 1; - ret = a << shift; - return ret; -} -#undef silk_LSHIFT16 -static OPUS_INLINE opus_int16 silk_LSHIFT16(opus_int16 a, opus_int32 shift){ - opus_int16 ret; - ops_count += 1; - ret = a << shift; - return ret; -} -#undef silk_LSHIFT32 -static OPUS_INLINE opus_int32 silk_LSHIFT32(opus_int32 a, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a << shift; - return ret; -} -#undef silk_LSHIFT64 -static OPUS_INLINE opus_int64 silk_LSHIFT64(opus_int64 a, opus_int shift){ - ops_count += 1; - return a << shift; -} - -#undef silk_LSHIFT_ovflw -static OPUS_INLINE opus_int32 silk_LSHIFT_ovflw(opus_int32 a, opus_int32 shift){ - ops_count += 1; - return a << shift; -} - -#undef silk_LSHIFT_uint -static OPUS_INLINE opus_uint32 silk_LSHIFT_uint(opus_uint32 a, opus_int32 shift){ - opus_uint32 ret; - ops_count += 1; - ret = a << shift; - return ret; -} - -#undef silk_RSHIFT8 -static OPUS_INLINE opus_int8 silk_RSHIFT8(opus_int8 a, opus_int32 shift){ - ops_count += 1; - return a >> shift; -} -#undef silk_RSHIFT16 -static OPUS_INLINE opus_int16 silk_RSHIFT16(opus_int16 a, opus_int32 shift){ - ops_count += 1; - return a >> shift; -} -#undef silk_RSHIFT32 -static OPUS_INLINE opus_int32 silk_RSHIFT32(opus_int32 a, opus_int32 shift){ - ops_count += 1; - return a >> shift; -} -#undef silk_RSHIFT64 -static OPUS_INLINE opus_int64 silk_RSHIFT64(opus_int64 a, opus_int64 shift){ - ops_count += 1; - return a >> shift; -} - -#undef silk_RSHIFT_uint -static OPUS_INLINE opus_uint32 silk_RSHIFT_uint(opus_uint32 a, opus_int32 shift){ - ops_count += 1; - return a >> shift; -} - -#undef silk_ADD_LSHIFT -static OPUS_INLINE opus_int32 silk_ADD_LSHIFT(opus_int32 a, opus_int32 b, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a + (b << shift); - return ret; /* shift >= 0*/ -} -#undef silk_ADD_LSHIFT32 -static OPUS_INLINE opus_int32 silk_ADD_LSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a + (b << shift); - return ret; /* shift >= 0*/ -} -#undef silk_ADD_LSHIFT_uint -static OPUS_INLINE opus_uint32 silk_ADD_LSHIFT_uint(opus_uint32 a, opus_uint32 b, opus_int32 shift){ - opus_uint32 ret; - ops_count += 1; - ret = a + (b << shift); - return ret; /* shift >= 0*/ -} -#undef silk_ADD_RSHIFT -static OPUS_INLINE opus_int32 silk_ADD_RSHIFT(opus_int32 a, opus_int32 b, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a + (b >> shift); - return ret; /* shift > 0*/ -} -#undef silk_ADD_RSHIFT32 -static OPUS_INLINE opus_int32 silk_ADD_RSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a + (b >> shift); - return ret; /* shift > 0*/ -} -#undef silk_ADD_RSHIFT_uint -static OPUS_INLINE opus_uint32 silk_ADD_RSHIFT_uint(opus_uint32 a, opus_uint32 b, opus_int32 shift){ - opus_uint32 ret; - ops_count += 1; - ret = a + (b >> shift); - return ret; /* shift > 0*/ -} -#undef silk_SUB_LSHIFT32 -static OPUS_INLINE opus_int32 silk_SUB_LSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a - (b << shift); - return ret; /* shift >= 0*/ -} -#undef silk_SUB_RSHIFT32 -static OPUS_INLINE opus_int32 silk_SUB_RSHIFT32(opus_int32 a, opus_int32 b, opus_int32 shift){ - opus_int32 ret; - ops_count += 1; - ret = a - (b >> shift); - return ret; /* shift > 0*/ -} - -#undef silk_RSHIFT_ROUND -static OPUS_INLINE opus_int32 silk_RSHIFT_ROUND(opus_int32 a, opus_int32 shift){ - opus_int32 ret; - ops_count += 3; - ret = shift == 1 ? (a >> 1) + (a & 1) : ((a >> (shift - 1)) + 1) >> 1; - return ret; -} - -#undef silk_RSHIFT_ROUND64 -static OPUS_INLINE opus_int64 silk_RSHIFT_ROUND64(opus_int64 a, opus_int32 shift){ - opus_int64 ret; - ops_count += 6; - ret = shift == 1 ? (a >> 1) + (a & 1) : ((a >> (shift - 1)) + 1) >> 1; - return ret; -} - -#undef silk_abs_int64 -static OPUS_INLINE opus_int64 silk_abs_int64(opus_int64 a){ - ops_count += 1; - return (((a) > 0) ? (a) : -(a)); /* Be careful, silk_abs returns wrong when input equals to silk_intXX_MIN*/ -} - -#undef silk_abs_int32 -static OPUS_INLINE opus_int32 silk_abs_int32(opus_int32 a){ - ops_count += 1; - return silk_abs(a); -} - - -#undef silk_min -static silk_min(a, b){ - ops_count += 1; - return (((a) < (b)) ? (a) : (b)); -} -#undef silk_max -static silk_max(a, b){ - ops_count += 1; - return (((a) > (b)) ? (a) : (b)); -} -#undef silk_sign -static silk_sign(a){ - ops_count += 1; - return ((a) > 0 ? 1 : ( (a) < 0 ? -1 : 0 )); -} - -#undef silk_ADD16 -static OPUS_INLINE opus_int16 silk_ADD16(opus_int16 a, opus_int16 b){ - opus_int16 ret; - ops_count += 1; - ret = a + b; - return ret; -} - -#undef silk_ADD32 -static OPUS_INLINE opus_int32 silk_ADD32(opus_int32 a, opus_int32 b){ - opus_int32 ret; - ops_count += 1; - ret = a + b; - return ret; -} - -#undef silk_ADD64 -static OPUS_INLINE opus_int64 silk_ADD64(opus_int64 a, opus_int64 b){ - opus_int64 ret; - ops_count += 2; - ret = a + b; - return ret; -} - -#undef silk_SUB16 -static OPUS_INLINE opus_int16 silk_SUB16(opus_int16 a, opus_int16 b){ - opus_int16 ret; - ops_count += 1; - ret = a - b; - return ret; -} - -#undef silk_SUB32 -static OPUS_INLINE opus_int32 silk_SUB32(opus_int32 a, opus_int32 b){ - opus_int32 ret; - ops_count += 1; - ret = a - b; - return ret; -} - -#undef silk_SUB64 -static OPUS_INLINE opus_int64 silk_SUB64(opus_int64 a, opus_int64 b){ - opus_int64 ret; - ops_count += 2; - ret = a - b; - return ret; -} - -#undef silk_ADD_SAT16 -static OPUS_INLINE opus_int16 silk_ADD_SAT16( opus_int16 a16, opus_int16 b16 ) { - opus_int16 res; - /* Nb will be counted in AKP_add32 and silk_SAT16*/ - res = (opus_int16)silk_SAT16( silk_ADD32( (opus_int32)(a16), (b16) ) ); - return res; -} - -#undef silk_ADD_SAT32 -static OPUS_INLINE opus_int32 silk_ADD_SAT32(opus_int32 a32, opus_int32 b32){ - opus_int32 res; - ops_count += 1; - res = ((((a32) + (b32)) & 0x80000000) == 0 ? \ - ((((a32) & (b32)) & 0x80000000) != 0 ? silk_int32_MIN : (a32)+(b32)) : \ - ((((a32) | (b32)) & 0x80000000) == 0 ? silk_int32_MAX : (a32)+(b32)) ); - return res; -} - -#undef silk_ADD_SAT64 -static OPUS_INLINE opus_int64 silk_ADD_SAT64( opus_int64 a64, opus_int64 b64 ) { - opus_int64 res; - ops_count += 1; - res = ((((a64) + (b64)) & 0x8000000000000000LL) == 0 ? \ - ((((a64) & (b64)) & 0x8000000000000000LL) != 0 ? silk_int64_MIN : (a64)+(b64)) : \ - ((((a64) | (b64)) & 0x8000000000000000LL) == 0 ? silk_int64_MAX : (a64)+(b64)) ); - return res; -} - -#undef silk_SUB_SAT16 -static OPUS_INLINE opus_int16 silk_SUB_SAT16( opus_int16 a16, opus_int16 b16 ) { - opus_int16 res; - silk_assert(0); - /* Nb will be counted in sub-macros*/ - res = (opus_int16)silk_SAT16( silk_SUB32( (opus_int32)(a16), (b16) ) ); - return res; -} - -#undef silk_SUB_SAT32 -static OPUS_INLINE opus_int32 silk_SUB_SAT32( opus_int32 a32, opus_int32 b32 ) { - opus_int32 res; - ops_count += 1; - res = ((((a32)-(b32)) & 0x80000000) == 0 ? \ - (( (a32) & ((b32)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a32)-(b32)) : \ - ((((a32)^0x80000000) & (b32) & 0x80000000) ? silk_int32_MAX : (a32)-(b32)) ); - return res; -} - -#undef silk_SUB_SAT64 -static OPUS_INLINE opus_int64 silk_SUB_SAT64( opus_int64 a64, opus_int64 b64 ) { - opus_int64 res; - ops_count += 1; - res = ((((a64)-(b64)) & 0x8000000000000000LL) == 0 ? \ - (( (a64) & ((b64)^0x8000000000000000LL) & 0x8000000000000000LL) ? silk_int64_MIN : (a64)-(b64)) : \ - ((((a64)^0x8000000000000000LL) & (b64) & 0x8000000000000000LL) ? silk_int64_MAX : (a64)-(b64)) ); - - return res; -} - -#undef silk_SMULWW -static OPUS_INLINE opus_int32 silk_SMULWW(opus_int32 a32, opus_int32 b32){ - opus_int32 ret; - /* Nb will be counted in sub-macros*/ - ret = silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16)); - return ret; -} - -#undef silk_SMLAWW -static OPUS_INLINE opus_int32 silk_SMLAWW(opus_int32 a32, opus_int32 b32, opus_int32 c32){ - opus_int32 ret; - /* Nb will be counted in sub-macros*/ - ret = silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16)); - return ret; -} - -#undef silk_min_int -static OPUS_INLINE opus_int silk_min_int(opus_int a, opus_int b) -{ - ops_count += 1; - return (((a) < (b)) ? (a) : (b)); -} - -#undef silk_min_16 -static OPUS_INLINE opus_int16 silk_min_16(opus_int16 a, opus_int16 b) -{ - ops_count += 1; - return (((a) < (b)) ? (a) : (b)); -} -#undef silk_min_32 -static OPUS_INLINE opus_int32 silk_min_32(opus_int32 a, opus_int32 b) -{ - ops_count += 1; - return (((a) < (b)) ? (a) : (b)); -} -#undef silk_min_64 -static OPUS_INLINE opus_int64 silk_min_64(opus_int64 a, opus_int64 b) -{ - ops_count += 1; - return (((a) < (b)) ? (a) : (b)); -} - -/* silk_min() versions with typecast in the function call */ -#undef silk_max_int -static OPUS_INLINE opus_int silk_max_int(opus_int a, opus_int b) -{ - ops_count += 1; - return (((a) > (b)) ? (a) : (b)); -} -#undef silk_max_16 -static OPUS_INLINE opus_int16 silk_max_16(opus_int16 a, opus_int16 b) -{ - ops_count += 1; - return (((a) > (b)) ? (a) : (b)); -} -#undef silk_max_32 -static OPUS_INLINE opus_int32 silk_max_32(opus_int32 a, opus_int32 b) -{ - ops_count += 1; - return (((a) > (b)) ? (a) : (b)); -} - -#undef silk_max_64 -static OPUS_INLINE opus_int64 silk_max_64(opus_int64 a, opus_int64 b) -{ - ops_count += 1; - return (((a) > (b)) ? (a) : (b)); -} - - -#undef silk_LIMIT_int -static OPUS_INLINE opus_int silk_LIMIT_int(opus_int a, opus_int limit1, opus_int limit2) -{ - opus_int ret; - ops_count += 6; - - ret = ((limit1) > (limit2) ? ((a) > (limit1) ? (limit1) : ((a) < (limit2) ? (limit2) : (a))) \ - : ((a) > (limit2) ? (limit2) : ((a) < (limit1) ? (limit1) : (a)))); - - return(ret); -} - -#undef silk_LIMIT_16 -static OPUS_INLINE opus_int16 silk_LIMIT_16(opus_int16 a, opus_int16 limit1, opus_int16 limit2) -{ - opus_int16 ret; - ops_count += 6; - - ret = ((limit1) > (limit2) ? ((a) > (limit1) ? (limit1) : ((a) < (limit2) ? (limit2) : (a))) \ - : ((a) > (limit2) ? (limit2) : ((a) < (limit1) ? (limit1) : (a)))); - -return(ret); -} - - -#undef silk_LIMIT_32 -static OPUS_INLINE opus_int silk_LIMIT_32(opus_int32 a, opus_int32 limit1, opus_int32 limit2) -{ - opus_int32 ret; - ops_count += 6; - - ret = ((limit1) > (limit2) ? ((a) > (limit1) ? (limit1) : ((a) < (limit2) ? (limit2) : (a))) \ - : ((a) > (limit2) ? (limit2) : ((a) < (limit1) ? (limit1) : (a)))); - return(ret); -} - -#else -#define varDefine -#define silk_SaveCount() - -#endif -#endif - diff --git a/src/opus-1.1/silk/MacroDebug.h b/src/opus-1.1/silk/MacroDebug.h deleted file mode 100644 index 35aedc5c..00000000 --- a/src/opus-1.1/silk/MacroDebug.h +++ /dev/null @@ -1,952 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Copyright (C) 2012 Xiph.Org Foundation -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef MACRO_DEBUG_H -#define MACRO_DEBUG_H - -/* Redefine macro functions with extensive assertion in DEBUG mode. - As functions can't be undefined, this file can't work with SigProcFIX_MacroCount.h */ - -#if ( defined (FIXED_DEBUG) || ( 0 && defined (_DEBUG) ) ) && !defined (silk_MACRO_COUNT) - -#undef silk_ADD16 -#define silk_ADD16(a,b) silk_ADD16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_ADD16_(opus_int16 a, opus_int16 b, char *file, int line){ - opus_int16 ret; - - ret = a + b; - if ( ret != silk_ADD_SAT16( a, b ) ) - { - fprintf (stderr, "silk_ADD16(%d, %d) in %s: line %d\n", a, b, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_ADD32 -#define silk_ADD32(a,b) silk_ADD32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_ADD32_(opus_int32 a, opus_int32 b, char *file, int line){ - opus_int32 ret; - - ret = a + b; - if ( ret != silk_ADD_SAT32( a, b ) ) - { - fprintf (stderr, "silk_ADD32(%d, %d) in %s: line %d\n", a, b, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_ADD64 -#define silk_ADD64(a,b) silk_ADD64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_ADD64_(opus_int64 a, opus_int64 b, char *file, int line){ - opus_int64 ret; - - ret = a + b; - if ( ret != silk_ADD_SAT64( a, b ) ) - { - fprintf (stderr, "silk_ADD64(%lld, %lld) in %s: line %d\n", (long long)a, (long long)b, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SUB16 -#define silk_SUB16(a,b) silk_SUB16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_SUB16_(opus_int16 a, opus_int16 b, char *file, int line){ - opus_int16 ret; - - ret = a - b; - if ( ret != silk_SUB_SAT16( a, b ) ) - { - fprintf (stderr, "silk_SUB16(%d, %d) in %s: line %d\n", a, b, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SUB32 -#define silk_SUB32(a,b) silk_SUB32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SUB32_(opus_int32 a, opus_int32 b, char *file, int line){ - opus_int32 ret; - - ret = a - b; - if ( ret != silk_SUB_SAT32( a, b ) ) - { - fprintf (stderr, "silk_SUB32(%d, %d) in %s: line %d\n", a, b, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SUB64 -#define silk_SUB64(a,b) silk_SUB64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_SUB64_(opus_int64 a, opus_int64 b, char *file, int line){ - opus_int64 ret; - - ret = a - b; - if ( ret != silk_SUB_SAT64( a, b ) ) - { - fprintf (stderr, "silk_SUB64(%lld, %lld) in %s: line %d\n", (long long)a, (long long)b, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_ADD_SAT16 -#define silk_ADD_SAT16(a,b) silk_ADD_SAT16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_ADD_SAT16_( opus_int16 a16, opus_int16 b16, char *file, int line) { - opus_int16 res; - res = (opus_int16)silk_SAT16( silk_ADD32( (opus_int32)(a16), (b16) ) ); - if ( res != silk_SAT16( (opus_int32)a16 + (opus_int32)b16 ) ) - { - fprintf (stderr, "silk_ADD_SAT16(%d, %d) in %s: line %d\n", a16, b16, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return res; -} - -#undef silk_ADD_SAT32 -#define silk_ADD_SAT32(a,b) silk_ADD_SAT32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_ADD_SAT32_(opus_int32 a32, opus_int32 b32, char *file, int line){ - opus_int32 res; - res = ((((opus_uint32)(a32) + (opus_uint32)(b32)) & 0x80000000) == 0 ? \ - ((((a32) & (b32)) & 0x80000000) != 0 ? silk_int32_MIN : (a32)+(b32)) : \ - ((((a32) | (b32)) & 0x80000000) == 0 ? silk_int32_MAX : (a32)+(b32)) ); - if ( res != silk_SAT32( (opus_int64)a32 + (opus_int64)b32 ) ) - { - fprintf (stderr, "silk_ADD_SAT32(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return res; -} - -#undef silk_ADD_SAT64 -#define silk_ADD_SAT64(a,b) silk_ADD_SAT64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_ADD_SAT64_( opus_int64 a64, opus_int64 b64, char *file, int line) { - opus_int64 res; - int fail = 0; - res = ((((a64) + (b64)) & 0x8000000000000000LL) == 0 ? \ - ((((a64) & (b64)) & 0x8000000000000000LL) != 0 ? silk_int64_MIN : (a64)+(b64)) : \ - ((((a64) | (b64)) & 0x8000000000000000LL) == 0 ? silk_int64_MAX : (a64)+(b64)) ); - if( res != a64 + b64 ) { - /* Check that we saturated to the correct extreme value */ - if ( !(( res == silk_int64_MAX && ( ( a64 >> 1 ) + ( b64 >> 1 ) > ( silk_int64_MAX >> 3 ) ) ) || - ( res == silk_int64_MIN && ( ( a64 >> 1 ) + ( b64 >> 1 ) < ( silk_int64_MIN >> 3 ) ) ) ) ) - { - fail = 1; - } - } else { - /* Saturation not necessary */ - fail = res != a64 + b64; - } - if ( fail ) - { - fprintf (stderr, "silk_ADD_SAT64(%lld, %lld) in %s: line %d\n", (long long)a64, (long long)b64, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return res; -} - -#undef silk_SUB_SAT16 -#define silk_SUB_SAT16(a,b) silk_SUB_SAT16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_SUB_SAT16_( opus_int16 a16, opus_int16 b16, char *file, int line ) { - opus_int16 res; - res = (opus_int16)silk_SAT16( silk_SUB32( (opus_int32)(a16), (b16) ) ); - if ( res != silk_SAT16( (opus_int32)a16 - (opus_int32)b16 ) ) - { - fprintf (stderr, "silk_SUB_SAT16(%d, %d) in %s: line %d\n", a16, b16, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return res; -} - -#undef silk_SUB_SAT32 -#define silk_SUB_SAT32(a,b) silk_SUB_SAT32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SUB_SAT32_( opus_int32 a32, opus_int32 b32, char *file, int line ) { - opus_int32 res; - res = ((((opus_uint32)(a32)-(opus_uint32)(b32)) & 0x80000000) == 0 ? \ - (( (a32) & ((b32)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a32)-(b32)) : \ - ((((a32)^0x80000000) & (b32) & 0x80000000) ? silk_int32_MAX : (a32)-(b32)) ); - if ( res != silk_SAT32( (opus_int64)a32 - (opus_int64)b32 ) ) - { - fprintf (stderr, "silk_SUB_SAT32(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return res; -} - -#undef silk_SUB_SAT64 -#define silk_SUB_SAT64(a,b) silk_SUB_SAT64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_SUB_SAT64_( opus_int64 a64, opus_int64 b64, char *file, int line ) { - opus_int64 res; - int fail = 0; - res = ((((a64)-(b64)) & 0x8000000000000000LL) == 0 ? \ - (( (a64) & ((b64)^0x8000000000000000LL) & 0x8000000000000000LL) ? silk_int64_MIN : (a64)-(b64)) : \ - ((((a64)^0x8000000000000000LL) & (b64) & 0x8000000000000000LL) ? silk_int64_MAX : (a64)-(b64)) ); - if( res != a64 - b64 ) { - /* Check that we saturated to the correct extreme value */ - if( !(( res == silk_int64_MAX && ( ( a64 >> 1 ) + ( b64 >> 1 ) > ( silk_int64_MAX >> 3 ) ) ) || - ( res == silk_int64_MIN && ( ( a64 >> 1 ) + ( b64 >> 1 ) < ( silk_int64_MIN >> 3 ) ) ) )) - { - fail = 1; - } - } else { - /* Saturation not necessary */ - fail = res != a64 - b64; - } - if ( fail ) - { - fprintf (stderr, "silk_SUB_SAT64(%lld, %lld) in %s: line %d\n", (long long)a64, (long long)b64, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return res; -} - -#undef silk_MUL -#define silk_MUL(a,b) silk_MUL_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_MUL_(opus_int32 a32, opus_int32 b32, char *file, int line){ - opus_int32 ret; - opus_int64 ret64; - ret = a32 * b32; - ret64 = (opus_int64)a32 * (opus_int64)b32; - if ( (opus_int64)ret != ret64 ) - { - fprintf (stderr, "silk_MUL(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_MUL_uint -#define silk_MUL_uint(a,b) silk_MUL_uint_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_uint32 silk_MUL_uint_(opus_uint32 a32, opus_uint32 b32, char *file, int line){ - opus_uint32 ret; - ret = a32 * b32; - if ( (opus_uint64)ret != (opus_uint64)a32 * (opus_uint64)b32 ) - { - fprintf (stderr, "silk_MUL_uint(%u, %u) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_MLA -#define silk_MLA(a,b,c) silk_MLA_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_MLA_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret; - ret = a32 + b32 * c32; - if ( (opus_int64)ret != (opus_int64)a32 + (opus_int64)b32 * (opus_int64)c32 ) - { - fprintf (stderr, "silk_MLA(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_MLA_uint -#define silk_MLA_uint(a,b,c) silk_MLA_uint_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_MLA_uint_(opus_uint32 a32, opus_uint32 b32, opus_uint32 c32, char *file, int line){ - opus_uint32 ret; - ret = a32 + b32 * c32; - if ( (opus_int64)ret != (opus_int64)a32 + (opus_int64)b32 * (opus_int64)c32 ) - { - fprintf (stderr, "silk_MLA_uint(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SMULWB -#define silk_SMULWB(a,b) silk_SMULWB_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMULWB_(opus_int32 a32, opus_int32 b32, char *file, int line){ - opus_int32 ret; - ret = (a32 >> 16) * (opus_int32)((opus_int16)b32) + (((a32 & 0x0000FFFF) * (opus_int32)((opus_int16)b32)) >> 16); - if ( (opus_int64)ret != ((opus_int64)a32 * (opus_int16)b32) >> 16 ) - { - fprintf (stderr, "silk_SMULWB(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SMLAWB -#define silk_SMLAWB(a,b,c) silk_SMLAWB_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMLAWB_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret; - ret = silk_ADD32( a32, silk_SMULWB( b32, c32 ) ); - if ( silk_ADD32( a32, silk_SMULWB( b32, c32 ) ) != silk_ADD_SAT32( a32, silk_SMULWB( b32, c32 ) ) ) - { - fprintf (stderr, "silk_SMLAWB(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SMULWT -#define silk_SMULWT(a,b) silk_SMULWT_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMULWT_(opus_int32 a32, opus_int32 b32, char *file, int line){ - opus_int32 ret; - ret = (a32 >> 16) * (b32 >> 16) + (((a32 & 0x0000FFFF) * (b32 >> 16)) >> 16); - if ( (opus_int64)ret != ((opus_int64)a32 * (b32 >> 16)) >> 16 ) - { - fprintf (stderr, "silk_SMULWT(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SMLAWT -#define silk_SMLAWT(a,b,c) silk_SMLAWT_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMLAWT_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret; - ret = a32 + ((b32 >> 16) * (c32 >> 16)) + (((b32 & 0x0000FFFF) * ((c32 >> 16)) >> 16)); - if ( (opus_int64)ret != (opus_int64)a32 + (((opus_int64)b32 * (c32 >> 16)) >> 16) ) - { - fprintf (stderr, "silk_SMLAWT(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SMULL -#define silk_SMULL(a,b) silk_SMULL_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_SMULL_(opus_int64 a64, opus_int64 b64, char *file, int line){ - opus_int64 ret64; - int fail = 0; - ret64 = a64 * b64; - if( b64 != 0 ) { - fail = a64 != (ret64 / b64); - } else if( a64 != 0 ) { - fail = b64 != (ret64 / a64); - } - if ( fail ) - { - fprintf (stderr, "silk_SMULL(%lld, %lld) in %s: line %d\n", (long long)a64, (long long)b64, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret64; -} - -/* no checking needed for silk_SMULBB */ -#undef silk_SMLABB -#define silk_SMLABB(a,b,c) silk_SMLABB_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMLABB_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret; - ret = a32 + (opus_int32)((opus_int16)b32) * (opus_int32)((opus_int16)c32); - if ( (opus_int64)ret != (opus_int64)a32 + (opus_int64)b32 * (opus_int16)c32 ) - { - fprintf (stderr, "silk_SMLABB(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -/* no checking needed for silk_SMULBT */ -#undef silk_SMLABT -#define silk_SMLABT(a,b,c) silk_SMLABT_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMLABT_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret; - ret = a32 + ((opus_int32)((opus_int16)b32)) * (c32 >> 16); - if ( (opus_int64)ret != (opus_int64)a32 + (opus_int64)b32 * (c32 >> 16) ) - { - fprintf (stderr, "silk_SMLABT(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -/* no checking needed for silk_SMULTT */ -#undef silk_SMLATT -#define silk_SMLATT(a,b,c) silk_SMLATT_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMLATT_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret; - ret = a32 + (b32 >> 16) * (c32 >> 16); - if ( (opus_int64)ret != (opus_int64)a32 + (b32 >> 16) * (c32 >> 16) ) - { - fprintf (stderr, "silk_SMLATT(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_SMULWW -#define silk_SMULWW(a,b) silk_SMULWW_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMULWW_(opus_int32 a32, opus_int32 b32, char *file, int line){ - opus_int32 ret, tmp1, tmp2; - opus_int64 ret64; - int fail = 0; - - ret = silk_SMULWB( a32, b32 ); - tmp1 = silk_RSHIFT_ROUND( b32, 16 ); - tmp2 = silk_MUL( a32, tmp1 ); - - fail |= (opus_int64)tmp2 != (opus_int64) a32 * (opus_int64) tmp1; - - tmp1 = ret; - ret = silk_ADD32( tmp1, tmp2 ); - fail |= silk_ADD32( tmp1, tmp2 ) != silk_ADD_SAT32( tmp1, tmp2 ); - - ret64 = silk_RSHIFT64( silk_SMULL( a32, b32 ), 16 ); - fail |= (opus_int64)ret != ret64; - - if ( fail ) - { - fprintf (stderr, "silk_SMULWT(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - - return ret; -} - -#undef silk_SMLAWW -#define silk_SMLAWW(a,b,c) silk_SMLAWW_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SMLAWW_(opus_int32 a32, opus_int32 b32, opus_int32 c32, char *file, int line){ - opus_int32 ret, tmp; - - tmp = silk_SMULWW( b32, c32 ); - ret = silk_ADD32( a32, tmp ); - if ( ret != silk_ADD_SAT32( a32, tmp ) ) - { - fprintf (stderr, "silk_SMLAWW(%d, %d, %d) in %s: line %d\n", a32, b32, c32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -/* Multiply-accumulate macros that allow overflow in the addition (ie, no asserts in debug mode) */ -#undef silk_MLA_ovflw -#define silk_MLA_ovflw(a32, b32, c32) ((a32) + ((b32) * (c32))) -#undef silk_SMLABB_ovflw -#define silk_SMLABB_ovflw(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32))) - -/* no checking needed for silk_SMULL - no checking needed for silk_SMLAL - no checking needed for silk_SMLALBB - no checking needed for SigProcFIX_CLZ16 - no checking needed for SigProcFIX_CLZ32*/ - -#undef silk_DIV32 -#define silk_DIV32(a,b) silk_DIV32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_DIV32_(opus_int32 a32, opus_int32 b32, char *file, int line){ - if ( b32 == 0 ) - { - fprintf (stderr, "silk_DIV32(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a32 / b32; -} - -#undef silk_DIV32_16 -#define silk_DIV32_16(a,b) silk_DIV32_16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_DIV32_16_(opus_int32 a32, opus_int32 b32, char *file, int line){ - int fail = 0; - fail |= b32 == 0; - fail |= b32 > silk_int16_MAX; - fail |= b32 < silk_int16_MIN; - if ( fail ) - { - fprintf (stderr, "silk_DIV32_16(%d, %d) in %s: line %d\n", a32, b32, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a32 / b32; -} - -/* no checking needed for silk_SAT8 - no checking needed for silk_SAT16 - no checking needed for silk_SAT32 - no checking needed for silk_POS_SAT32 - no checking needed for silk_ADD_POS_SAT8 - no checking needed for silk_ADD_POS_SAT16 - no checking needed for silk_ADD_POS_SAT32 - no checking needed for silk_ADD_POS_SAT64 */ - -#undef silk_LSHIFT8 -#define silk_LSHIFT8(a,b) silk_LSHIFT8_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int8 silk_LSHIFT8_(opus_int8 a, opus_int32 shift, char *file, int line){ - opus_int8 ret; - int fail = 0; - ret = a << shift; - fail |= shift < 0; - fail |= shift >= 8; - fail |= (opus_int64)ret != ((opus_int64)a) << shift; - if ( fail ) - { - fprintf (stderr, "silk_LSHIFT8(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_LSHIFT16 -#define silk_LSHIFT16(a,b) silk_LSHIFT16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_LSHIFT16_(opus_int16 a, opus_int32 shift, char *file, int line){ - opus_int16 ret; - int fail = 0; - ret = a << shift; - fail |= shift < 0; - fail |= shift >= 16; - fail |= (opus_int64)ret != ((opus_int64)a) << shift; - if ( fail ) - { - fprintf (stderr, "silk_LSHIFT16(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_LSHIFT32 -#define silk_LSHIFT32(a,b) silk_LSHIFT32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_LSHIFT32_(opus_int32 a, opus_int32 shift, char *file, int line){ - opus_int32 ret; - int fail = 0; - ret = a << shift; - fail |= shift < 0; - fail |= shift >= 32; - fail |= (opus_int64)ret != ((opus_int64)a) << shift; - if ( fail ) - { - fprintf (stderr, "silk_LSHIFT32(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_LSHIFT64 -#define silk_LSHIFT64(a,b) silk_LSHIFT64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_LSHIFT64_(opus_int64 a, opus_int shift, char *file, int line){ - opus_int64 ret; - int fail = 0; - ret = a << shift; - fail |= shift < 0; - fail |= shift >= 64; - fail |= (ret>>shift) != ((opus_int64)a); - if ( fail ) - { - fprintf (stderr, "silk_LSHIFT64(%lld, %d) in %s: line %d\n", (long long)a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_LSHIFT_ovflw -#define silk_LSHIFT_ovflw(a,b) silk_LSHIFT_ovflw_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_LSHIFT_ovflw_(opus_int32 a, opus_int32 shift, char *file, int line){ - if ( (shift < 0) || (shift >= 32) ) /* no check for overflow */ - { - fprintf (stderr, "silk_LSHIFT_ovflw(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a << shift; -} - -#undef silk_LSHIFT_uint -#define silk_LSHIFT_uint(a,b) silk_LSHIFT_uint_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_uint32 silk_LSHIFT_uint_(opus_uint32 a, opus_int32 shift, char *file, int line){ - opus_uint32 ret; - ret = a << shift; - if ( (shift < 0) || ((opus_int64)ret != ((opus_int64)a) << shift)) - { - fprintf (stderr, "silk_LSHIFT_uint(%u, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_RSHIFT8 -#define silk_RSHITF8(a,b) silk_RSHIFT8_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int8 silk_RSHIFT8_(opus_int8 a, opus_int32 shift, char *file, int line){ - if ( (shift < 0) || (shift>=8) ) - { - fprintf (stderr, "silk_RSHITF8(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a >> shift; -} - -#undef silk_RSHIFT16 -#define silk_RSHITF16(a,b) silk_RSHIFT16_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_RSHIFT16_(opus_int16 a, opus_int32 shift, char *file, int line){ - if ( (shift < 0) || (shift>=16) ) - { - fprintf (stderr, "silk_RSHITF16(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a >> shift; -} - -#undef silk_RSHIFT32 -#define silk_RSHIFT32(a,b) silk_RSHIFT32_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_RSHIFT32_(opus_int32 a, opus_int32 shift, char *file, int line){ - if ( (shift < 0) || (shift>=32) ) - { - fprintf (stderr, "silk_RSHITF32(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a >> shift; -} - -#undef silk_RSHIFT64 -#define silk_RSHIFT64(a,b) silk_RSHIFT64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_RSHIFT64_(opus_int64 a, opus_int64 shift, char *file, int line){ - if ( (shift < 0) || (shift>=64) ) - { - fprintf (stderr, "silk_RSHITF64(%lld, %lld) in %s: line %d\n", (long long)a, (long long)shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a >> shift; -} - -#undef silk_RSHIFT_uint -#define silk_RSHIFT_uint(a,b) silk_RSHIFT_uint_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_uint32 silk_RSHIFT_uint_(opus_uint32 a, opus_int32 shift, char *file, int line){ - if ( (shift < 0) || (shift>32) ) - { - fprintf (stderr, "silk_RSHIFT_uint(%u, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return a >> shift; -} - -#undef silk_ADD_LSHIFT -#define silk_ADD_LSHIFT(a,b,c) silk_ADD_LSHIFT_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE int silk_ADD_LSHIFT_(int a, int b, int shift, char *file, int line){ - opus_int16 ret; - ret = a + (b << shift); - if ( (shift < 0) || (shift>15) || ((opus_int64)ret != (opus_int64)a + (((opus_int64)b) << shift)) ) - { - fprintf (stderr, "silk_ADD_LSHIFT(%d, %d, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift >= 0 */ -} - -#undef silk_ADD_LSHIFT32 -#define silk_ADD_LSHIFT32(a,b,c) silk_ADD_LSHIFT32_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_ADD_LSHIFT32_(opus_int32 a, opus_int32 b, opus_int32 shift, char *file, int line){ - opus_int32 ret; - ret = a + (b << shift); - if ( (shift < 0) || (shift>31) || ((opus_int64)ret != (opus_int64)a + (((opus_int64)b) << shift)) ) - { - fprintf (stderr, "silk_ADD_LSHIFT32(%d, %d, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift >= 0 */ -} - -#undef silk_ADD_LSHIFT_uint -#define silk_ADD_LSHIFT_uint(a,b,c) silk_ADD_LSHIFT_uint_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_uint32 silk_ADD_LSHIFT_uint_(opus_uint32 a, opus_uint32 b, opus_int32 shift, char *file, int line){ - opus_uint32 ret; - ret = a + (b << shift); - if ( (shift < 0) || (shift>32) || ((opus_int64)ret != (opus_int64)a + (((opus_int64)b) << shift)) ) - { - fprintf (stderr, "silk_ADD_LSHIFT_uint(%u, %u, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift >= 0 */ -} - -#undef silk_ADD_RSHIFT -#define silk_ADD_RSHIFT(a,b,c) silk_ADD_RSHIFT_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE int silk_ADD_RSHIFT_(int a, int b, int shift, char *file, int line){ - opus_int16 ret; - ret = a + (b >> shift); - if ( (shift < 0) || (shift>15) || ((opus_int64)ret != (opus_int64)a + (((opus_int64)b) >> shift)) ) - { - fprintf (stderr, "silk_ADD_RSHIFT(%d, %d, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift > 0 */ -} - -#undef silk_ADD_RSHIFT32 -#define silk_ADD_RSHIFT32(a,b,c) silk_ADD_RSHIFT32_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_ADD_RSHIFT32_(opus_int32 a, opus_int32 b, opus_int32 shift, char *file, int line){ - opus_int32 ret; - ret = a + (b >> shift); - if ( (shift < 0) || (shift>31) || ((opus_int64)ret != (opus_int64)a + (((opus_int64)b) >> shift)) ) - { - fprintf (stderr, "silk_ADD_RSHIFT32(%d, %d, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift > 0 */ -} - -#undef silk_ADD_RSHIFT_uint -#define silk_ADD_RSHIFT_uint(a,b,c) silk_ADD_RSHIFT_uint_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_uint32 silk_ADD_RSHIFT_uint_(opus_uint32 a, opus_uint32 b, opus_int32 shift, char *file, int line){ - opus_uint32 ret; - ret = a + (b >> shift); - if ( (shift < 0) || (shift>32) || ((opus_int64)ret != (opus_int64)a + (((opus_int64)b) >> shift)) ) - { - fprintf (stderr, "silk_ADD_RSHIFT_uint(%u, %u, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift > 0 */ -} - -#undef silk_SUB_LSHIFT32 -#define silk_SUB_LSHIFT32(a,b,c) silk_SUB_LSHIFT32_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SUB_LSHIFT32_(opus_int32 a, opus_int32 b, opus_int32 shift, char *file, int line){ - opus_int32 ret; - ret = a - (b << shift); - if ( (shift < 0) || (shift>31) || ((opus_int64)ret != (opus_int64)a - (((opus_int64)b) << shift)) ) - { - fprintf (stderr, "silk_SUB_LSHIFT32(%d, %d, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift >= 0 */ -} - -#undef silk_SUB_RSHIFT32 -#define silk_SUB_RSHIFT32(a,b,c) silk_SUB_RSHIFT32_((a), (b), (c), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_SUB_RSHIFT32_(opus_int32 a, opus_int32 b, opus_int32 shift, char *file, int line){ - opus_int32 ret; - ret = a - (b >> shift); - if ( (shift < 0) || (shift>31) || ((opus_int64)ret != (opus_int64)a - (((opus_int64)b) >> shift)) ) - { - fprintf (stderr, "silk_SUB_RSHIFT32(%d, %d, %d) in %s: line %d\n", a, b, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; /* shift > 0 */ -} - -#undef silk_RSHIFT_ROUND -#define silk_RSHIFT_ROUND(a,b) silk_RSHIFT_ROUND_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_RSHIFT_ROUND_(opus_int32 a, opus_int32 shift, char *file, int line){ - opus_int32 ret; - ret = shift == 1 ? (a >> 1) + (a & 1) : ((a >> (shift - 1)) + 1) >> 1; - /* the marco definition can't handle a shift of zero */ - if ( (shift <= 0) || (shift>31) || ((opus_int64)ret != ((opus_int64)a + ((opus_int64)1 << (shift - 1))) >> shift) ) - { - fprintf (stderr, "silk_RSHIFT_ROUND(%d, %d) in %s: line %d\n", a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return ret; -} - -#undef silk_RSHIFT_ROUND64 -#define silk_RSHIFT_ROUND64(a,b) silk_RSHIFT_ROUND64_((a), (b), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_RSHIFT_ROUND64_(opus_int64 a, opus_int32 shift, char *file, int line){ - opus_int64 ret; - /* the marco definition can't handle a shift of zero */ - if ( (shift <= 0) || (shift>=64) ) - { - fprintf (stderr, "silk_RSHIFT_ROUND64(%lld, %d) in %s: line %d\n", (long long)a, shift, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - ret = shift == 1 ? (a >> 1) + (a & 1) : ((a >> (shift - 1)) + 1) >> 1; - return ret; -} - -/* silk_abs is used on floats also, so doesn't work... */ -/*#undef silk_abs -static OPUS_INLINE opus_int32 silk_abs(opus_int32 a){ - silk_assert(a != 0x80000000); - return (((a) > 0) ? (a) : -(a)); // Be careful, silk_abs returns wrong when input equals to silk_intXX_MIN -}*/ - -#undef silk_abs_int64 -#define silk_abs_int64(a) silk_abs_int64_((a), __FILE__, __LINE__) -static OPUS_INLINE opus_int64 silk_abs_int64_(opus_int64 a, char *file, int line){ - if ( a == silk_int64_MIN ) - { - fprintf (stderr, "silk_abs_int64(%lld) in %s: line %d\n", (long long)a, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return (((a) > 0) ? (a) : -(a)); /* Be careful, silk_abs returns wrong when input equals to silk_intXX_MIN */ -} - -#undef silk_abs_int32 -#define silk_abs_int32(a) silk_abs_int32_((a), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_abs_int32_(opus_int32 a, char *file, int line){ - if ( a == silk_int32_MIN ) - { - fprintf (stderr, "silk_abs_int32(%d) in %s: line %d\n", a, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return silk_abs(a); -} - -#undef silk_CHECK_FIT8 -#define silk_CHECK_FIT8(a) silk_CHECK_FIT8_((a), __FILE__, __LINE__) -static OPUS_INLINE opus_int8 silk_CHECK_FIT8_( opus_int64 a, char *file, int line ){ - opus_int8 ret; - ret = (opus_int8)a; - if ( (opus_int64)ret != a ) - { - fprintf (stderr, "silk_CHECK_FIT8(%lld) in %s: line %d\n", (long long)a, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return( ret ); -} - -#undef silk_CHECK_FIT16 -#define silk_CHECK_FIT16(a) silk_CHECK_FIT16_((a), __FILE__, __LINE__) -static OPUS_INLINE opus_int16 silk_CHECK_FIT16_( opus_int64 a, char *file, int line ){ - opus_int16 ret; - ret = (opus_int16)a; - if ( (opus_int64)ret != a ) - { - fprintf (stderr, "silk_CHECK_FIT16(%lld) in %s: line %d\n", (long long)a, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return( ret ); -} - -#undef silk_CHECK_FIT32 -#define silk_CHECK_FIT32(a) silk_CHECK_FIT32_((a), __FILE__, __LINE__) -static OPUS_INLINE opus_int32 silk_CHECK_FIT32_( opus_int64 a, char *file, int line ){ - opus_int32 ret; - ret = (opus_int32)a; - if ( (opus_int64)ret != a ) - { - fprintf (stderr, "silk_CHECK_FIT32(%lld) in %s: line %d\n", (long long)a, file, line); -#ifdef FIXED_DEBUG_ASSERT - silk_assert( 0 ); -#endif - } - return( ret ); -} - -/* no checking for silk_NSHIFT_MUL_32_32 - no checking for silk_NSHIFT_MUL_16_16 - no checking needed for silk_min - no checking needed for silk_max - no checking needed for silk_sign -*/ - -#endif -#endif /* MACRO_DEBUG_H */ diff --git a/src/opus-1.1/silk/NLSF2A.c b/src/opus-1.1/silk/NLSF2A.c deleted file mode 100644 index b1c559ea..00000000 --- a/src/opus-1.1/silk/NLSF2A.c +++ /dev/null @@ -1,178 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* conversion between prediction filter coefficients and LSFs */ -/* order should be even */ -/* a piecewise linear approximation maps LSF <-> cos(LSF) */ -/* therefore the result is not accurate LSFs, but the two */ -/* functions are accurate inverses of each other */ - -#include "SigProc_FIX.h" -#include "tables.h" - -#define QA 16 - -/* helper function for NLSF2A(..) */ -static OPUS_INLINE void silk_NLSF2A_find_poly( - opus_int32 *out, /* O intermediate polynomial, QA [dd+1] */ - const opus_int32 *cLSF, /* I vector of interleaved 2*cos(LSFs), QA [d] */ - opus_int dd /* I polynomial order (= 1/2 * filter order) */ -) -{ - opus_int k, n; - opus_int32 ftmp; - - out[0] = silk_LSHIFT( 1, QA ); - out[1] = -cLSF[0]; - for( k = 1; k < dd; k++ ) { - ftmp = cLSF[2*k]; /* QA*/ - out[k+1] = silk_LSHIFT( out[k-1], 1 ) - (opus_int32)silk_RSHIFT_ROUND64( silk_SMULL( ftmp, out[k] ), QA ); - for( n = k; n > 1; n-- ) { - out[n] += out[n-2] - (opus_int32)silk_RSHIFT_ROUND64( silk_SMULL( ftmp, out[n-1] ), QA ); - } - out[1] -= ftmp; - } -} - -/* compute whitening filter coefficients from normalized line spectral frequencies */ -void silk_NLSF2A( - opus_int16 *a_Q12, /* O monic whitening filter coefficients in Q12, [ d ] */ - const opus_int16 *NLSF, /* I normalized line spectral frequencies in Q15, [ d ] */ - const opus_int d /* I filter order (should be even) */ -) -{ - /* This ordering was found to maximize quality. It improves numerical accuracy of - silk_NLSF2A_find_poly() compared to "standard" ordering. */ - static const unsigned char ordering16[16] = { - 0, 15, 8, 7, 4, 11, 12, 3, 2, 13, 10, 5, 6, 9, 14, 1 - }; - static const unsigned char ordering10[10] = { - 0, 9, 6, 3, 4, 5, 8, 1, 2, 7 - }; - const unsigned char *ordering; - opus_int k, i, dd; - opus_int32 cos_LSF_QA[ SILK_MAX_ORDER_LPC ]; - opus_int32 P[ SILK_MAX_ORDER_LPC / 2 + 1 ], Q[ SILK_MAX_ORDER_LPC / 2 + 1 ]; - opus_int32 Ptmp, Qtmp, f_int, f_frac, cos_val, delta; - opus_int32 a32_QA1[ SILK_MAX_ORDER_LPC ]; - opus_int32 maxabs, absval, idx=0, sc_Q16; - - silk_assert( LSF_COS_TAB_SZ_FIX == 128 ); - silk_assert( d==10||d==16 ); - - /* convert LSFs to 2*cos(LSF), using piecewise linear curve from table */ - ordering = d == 16 ? ordering16 : ordering10; - for( k = 0; k < d; k++ ) { - silk_assert(NLSF[k] >= 0 ); - - /* f_int on a scale 0-127 (rounded down) */ - f_int = silk_RSHIFT( NLSF[k], 15 - 7 ); - - /* f_frac, range: 0..255 */ - f_frac = NLSF[k] - silk_LSHIFT( f_int, 15 - 7 ); - - silk_assert(f_int >= 0); - silk_assert(f_int < LSF_COS_TAB_SZ_FIX ); - - /* Read start and end value from table */ - cos_val = silk_LSFCosTab_FIX_Q12[ f_int ]; /* Q12 */ - delta = silk_LSFCosTab_FIX_Q12[ f_int + 1 ] - cos_val; /* Q12, with a range of 0..200 */ - - /* Linear interpolation */ - cos_LSF_QA[ordering[k]] = silk_RSHIFT_ROUND( silk_LSHIFT( cos_val, 8 ) + silk_MUL( delta, f_frac ), 20 - QA ); /* QA */ - } - - dd = silk_RSHIFT( d, 1 ); - - /* generate even and odd polynomials using convolution */ - silk_NLSF2A_find_poly( P, &cos_LSF_QA[ 0 ], dd ); - silk_NLSF2A_find_poly( Q, &cos_LSF_QA[ 1 ], dd ); - - /* convert even and odd polynomials to opus_int32 Q12 filter coefs */ - for( k = 0; k < dd; k++ ) { - Ptmp = P[ k+1 ] + P[ k ]; - Qtmp = Q[ k+1 ] - Q[ k ]; - - /* the Ptmp and Qtmp values at this stage need to fit in int32 */ - a32_QA1[ k ] = -Qtmp - Ptmp; /* QA+1 */ - a32_QA1[ d-k-1 ] = Qtmp - Ptmp; /* QA+1 */ - } - - /* Limit the maximum absolute value of the prediction coefficients, so that they'll fit in int16 */ - for( i = 0; i < 10; i++ ) { - /* Find maximum absolute value and its index */ - maxabs = 0; - for( k = 0; k < d; k++ ) { - absval = silk_abs( a32_QA1[k] ); - if( absval > maxabs ) { - maxabs = absval; - idx = k; - } - } - maxabs = silk_RSHIFT_ROUND( maxabs, QA + 1 - 12 ); /* QA+1 -> Q12 */ - - if( maxabs > silk_int16_MAX ) { - /* Reduce magnitude of prediction coefficients */ - maxabs = silk_min( maxabs, 163838 ); /* ( silk_int32_MAX >> 14 ) + silk_int16_MAX = 163838 */ - sc_Q16 = SILK_FIX_CONST( 0.999, 16 ) - silk_DIV32( silk_LSHIFT( maxabs - silk_int16_MAX, 14 ), - silk_RSHIFT32( silk_MUL( maxabs, idx + 1), 2 ) ); - silk_bwexpander_32( a32_QA1, d, sc_Q16 ); - } else { - break; - } - } - - if( i == 10 ) { - /* Reached the last iteration, clip the coefficients */ - for( k = 0; k < d; k++ ) { - a_Q12[ k ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( a32_QA1[ k ], QA + 1 - 12 ) ); /* QA+1 -> Q12 */ - a32_QA1[ k ] = silk_LSHIFT( (opus_int32)a_Q12[ k ], QA + 1 - 12 ); - } - } else { - for( k = 0; k < d; k++ ) { - a_Q12[ k ] = (opus_int16)silk_RSHIFT_ROUND( a32_QA1[ k ], QA + 1 - 12 ); /* QA+1 -> Q12 */ - } - } - - for( i = 0; i < MAX_LPC_STABILIZE_ITERATIONS; i++ ) { - if( silk_LPC_inverse_pred_gain( a_Q12, d ) < SILK_FIX_CONST( 1.0 / MAX_PREDICTION_POWER_GAIN, 30 ) ) { - /* Prediction coefficients are (too close to) unstable; apply bandwidth expansion */ - /* on the unscaled coefficients, convert to Q12 and measure again */ - silk_bwexpander_32( a32_QA1, d, 65536 - silk_LSHIFT( 2, i ) ); - for( k = 0; k < d; k++ ) { - a_Q12[ k ] = (opus_int16)silk_RSHIFT_ROUND( a32_QA1[ k ], QA + 1 - 12 ); /* QA+1 -> Q12 */ - } - } else { - break; - } - } -} - diff --git a/src/opus-1.1/silk/NLSF_VQ.c b/src/opus-1.1/silk/NLSF_VQ.c deleted file mode 100644 index 69b6e22e..00000000 --- a/src/opus-1.1/silk/NLSF_VQ.c +++ /dev/null @@ -1,68 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Compute quantization errors for an LPC_order element input vector for a VQ codebook */ -void silk_NLSF_VQ( - opus_int32 err_Q26[], /* O Quantization errors [K] */ - const opus_int16 in_Q15[], /* I Input vectors to be quantized [LPC_order] */ - const opus_uint8 pCB_Q8[], /* I Codebook vectors [K*LPC_order] */ - const opus_int K, /* I Number of codebook vectors */ - const opus_int LPC_order /* I Number of LPCs */ -) -{ - opus_int i, m; - opus_int32 diff_Q15, sum_error_Q30, sum_error_Q26; - - silk_assert( LPC_order <= 16 ); - silk_assert( ( LPC_order & 1 ) == 0 ); - - /* Loop over codebook */ - for( i = 0; i < K; i++ ) { - sum_error_Q26 = 0; - for( m = 0; m < LPC_order; m += 2 ) { - /* Compute weighted squared quantization error for index m */ - diff_Q15 = silk_SUB_LSHIFT32( in_Q15[ m ], (opus_int32)*pCB_Q8++, 7 ); /* range: [ -32767 : 32767 ]*/ - sum_error_Q30 = silk_SMULBB( diff_Q15, diff_Q15 ); - - /* Compute weighted squared quantization error for index m + 1 */ - diff_Q15 = silk_SUB_LSHIFT32( in_Q15[m + 1], (opus_int32)*pCB_Q8++, 7 ); /* range: [ -32767 : 32767 ]*/ - sum_error_Q30 = silk_SMLABB( sum_error_Q30, diff_Q15, diff_Q15 ); - - sum_error_Q26 = silk_ADD_RSHIFT32( sum_error_Q26, sum_error_Q30, 4 ); - - silk_assert( sum_error_Q26 >= 0 ); - silk_assert( sum_error_Q30 >= 0 ); - } - err_Q26[ i ] = sum_error_Q26; - } -} diff --git a/src/opus-1.1/silk/NLSF_VQ_weights_laroia.c b/src/opus-1.1/silk/NLSF_VQ_weights_laroia.c deleted file mode 100644 index 04894c59..00000000 --- a/src/opus-1.1/silk/NLSF_VQ_weights_laroia.c +++ /dev/null @@ -1,80 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "define.h" -#include "SigProc_FIX.h" - -/* -R. Laroia, N. Phamdo and N. Farvardin, "Robust and Efficient Quantization of Speech LSP -Parameters Using Structured Vector Quantization", Proc. IEEE Int. Conf. Acoust., Speech, -Signal Processing, pp. 641-644, 1991. -*/ - -/* Laroia low complexity NLSF weights */ -void silk_NLSF_VQ_weights_laroia( - opus_int16 *pNLSFW_Q_OUT, /* O Pointer to input vector weights [D] */ - const opus_int16 *pNLSF_Q15, /* I Pointer to input vector [D] */ - const opus_int D /* I Input vector dimension (even) */ -) -{ - opus_int k; - opus_int32 tmp1_int, tmp2_int; - - silk_assert( D > 0 ); - silk_assert( ( D & 1 ) == 0 ); - - /* First value */ - tmp1_int = silk_max_int( pNLSF_Q15[ 0 ], 1 ); - tmp1_int = silk_DIV32_16( (opus_int32)1 << ( 15 + NLSF_W_Q ), tmp1_int ); - tmp2_int = silk_max_int( pNLSF_Q15[ 1 ] - pNLSF_Q15[ 0 ], 1 ); - tmp2_int = silk_DIV32_16( (opus_int32)1 << ( 15 + NLSF_W_Q ), tmp2_int ); - pNLSFW_Q_OUT[ 0 ] = (opus_int16)silk_min_int( tmp1_int + tmp2_int, silk_int16_MAX ); - silk_assert( pNLSFW_Q_OUT[ 0 ] > 0 ); - - /* Main loop */ - for( k = 1; k < D - 1; k += 2 ) { - tmp1_int = silk_max_int( pNLSF_Q15[ k + 1 ] - pNLSF_Q15[ k ], 1 ); - tmp1_int = silk_DIV32_16( (opus_int32)1 << ( 15 + NLSF_W_Q ), tmp1_int ); - pNLSFW_Q_OUT[ k ] = (opus_int16)silk_min_int( tmp1_int + tmp2_int, silk_int16_MAX ); - silk_assert( pNLSFW_Q_OUT[ k ] > 0 ); - - tmp2_int = silk_max_int( pNLSF_Q15[ k + 2 ] - pNLSF_Q15[ k + 1 ], 1 ); - tmp2_int = silk_DIV32_16( (opus_int32)1 << ( 15 + NLSF_W_Q ), tmp2_int ); - pNLSFW_Q_OUT[ k + 1 ] = (opus_int16)silk_min_int( tmp1_int + tmp2_int, silk_int16_MAX ); - silk_assert( pNLSFW_Q_OUT[ k + 1 ] > 0 ); - } - - /* Last value */ - tmp1_int = silk_max_int( ( 1 << 15 ) - pNLSF_Q15[ D - 1 ], 1 ); - tmp1_int = silk_DIV32_16( (opus_int32)1 << ( 15 + NLSF_W_Q ), tmp1_int ); - pNLSFW_Q_OUT[ D - 1 ] = (opus_int16)silk_min_int( tmp1_int + tmp2_int, silk_int16_MAX ); - silk_assert( pNLSFW_Q_OUT[ D - 1 ] > 0 ); -} diff --git a/src/opus-1.1/silk/NLSF_decode.c b/src/opus-1.1/silk/NLSF_decode.c deleted file mode 100644 index 9f715060..00000000 --- a/src/opus-1.1/silk/NLSF_decode.c +++ /dev/null @@ -1,101 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Predictive dequantizer for NLSF residuals */ -static OPUS_INLINE void silk_NLSF_residual_dequant( /* O Returns RD value in Q30 */ - opus_int16 x_Q10[], /* O Output [ order ] */ - const opus_int8 indices[], /* I Quantization indices [ order ] */ - const opus_uint8 pred_coef_Q8[], /* I Backward predictor coefs [ order ] */ - const opus_int quant_step_size_Q16, /* I Quantization step size */ - const opus_int16 order /* I Number of input values */ -) -{ - opus_int i, out_Q10, pred_Q10; - - out_Q10 = 0; - for( i = order-1; i >= 0; i-- ) { - pred_Q10 = silk_RSHIFT( silk_SMULBB( out_Q10, (opus_int16)pred_coef_Q8[ i ] ), 8 ); - out_Q10 = silk_LSHIFT( indices[ i ], 10 ); - if( out_Q10 > 0 ) { - out_Q10 = silk_SUB16( out_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - } else if( out_Q10 < 0 ) { - out_Q10 = silk_ADD16( out_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - } - out_Q10 = silk_SMLAWB( pred_Q10, (opus_int32)out_Q10, quant_step_size_Q16 ); - x_Q10[ i ] = out_Q10; - } -} - - -/***********************/ -/* NLSF vector decoder */ -/***********************/ -void silk_NLSF_decode( - opus_int16 *pNLSF_Q15, /* O Quantized NLSF vector [ LPC_ORDER ] */ - opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ - const silk_NLSF_CB_struct *psNLSF_CB /* I Codebook object */ -) -{ - opus_int i; - opus_uint8 pred_Q8[ MAX_LPC_ORDER ]; - opus_int16 ec_ix[ MAX_LPC_ORDER ]; - opus_int16 res_Q10[ MAX_LPC_ORDER ]; - opus_int16 W_tmp_QW[ MAX_LPC_ORDER ]; - opus_int32 W_tmp_Q9, NLSF_Q15_tmp; - const opus_uint8 *pCB_element; - - /* Decode first stage */ - pCB_element = &psNLSF_CB->CB1_NLSF_Q8[ NLSFIndices[ 0 ] * psNLSF_CB->order ]; - for( i = 0; i < psNLSF_CB->order; i++ ) { - pNLSF_Q15[ i ] = silk_LSHIFT( (opus_int16)pCB_element[ i ], 7 ); - } - - /* Unpack entropy table indices and predictor for current CB1 index */ - silk_NLSF_unpack( ec_ix, pred_Q8, psNLSF_CB, NLSFIndices[ 0 ] ); - - /* Predictive residual dequantizer */ - silk_NLSF_residual_dequant( res_Q10, &NLSFIndices[ 1 ], pred_Q8, psNLSF_CB->quantStepSize_Q16, psNLSF_CB->order ); - - /* Weights from codebook vector */ - silk_NLSF_VQ_weights_laroia( W_tmp_QW, pNLSF_Q15, psNLSF_CB->order ); - - /* Apply inverse square-rooted weights and add to output */ - for( i = 0; i < psNLSF_CB->order; i++ ) { - W_tmp_Q9 = silk_SQRT_APPROX( silk_LSHIFT( (opus_int32)W_tmp_QW[ i ], 18 - NLSF_W_Q ) ); - NLSF_Q15_tmp = silk_ADD32( pNLSF_Q15[ i ], silk_DIV32_16( silk_LSHIFT( (opus_int32)res_Q10[ i ], 14 ), W_tmp_Q9 ) ); - pNLSF_Q15[ i ] = (opus_int16)silk_LIMIT( NLSF_Q15_tmp, 0, 32767 ); - } - - /* NLSF stabilization */ - silk_NLSF_stabilize( pNLSF_Q15, psNLSF_CB->deltaMin_Q15, psNLSF_CB->order ); -} diff --git a/src/opus-1.1/silk/NLSF_del_dec_quant.c b/src/opus-1.1/silk/NLSF_del_dec_quant.c deleted file mode 100644 index 504dbbd0..00000000 --- a/src/opus-1.1/silk/NLSF_del_dec_quant.c +++ /dev/null @@ -1,207 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Delayed-decision quantizer for NLSF residuals */ -opus_int32 silk_NLSF_del_dec_quant( /* O Returns RD value in Q25 */ - opus_int8 indices[], /* O Quantization indices [ order ] */ - const opus_int16 x_Q10[], /* I Input [ order ] */ - const opus_int16 w_Q5[], /* I Weights [ order ] */ - const opus_uint8 pred_coef_Q8[], /* I Backward predictor coefs [ order ] */ - const opus_int16 ec_ix[], /* I Indices to entropy coding tables [ order ] */ - const opus_uint8 ec_rates_Q5[], /* I Rates [] */ - const opus_int quant_step_size_Q16, /* I Quantization step size */ - const opus_int16 inv_quant_step_size_Q6, /* I Inverse quantization step size */ - const opus_int32 mu_Q20, /* I R/D tradeoff */ - const opus_int16 order /* I Number of input values */ -) -{ - opus_int i, j, nStates, ind_tmp, ind_min_max, ind_max_min, in_Q10, res_Q10; - opus_int pred_Q10, diff_Q10, out0_Q10, out1_Q10, rate0_Q5, rate1_Q5; - opus_int32 RD_tmp_Q25, min_Q25, min_max_Q25, max_min_Q25, pred_coef_Q16; - opus_int ind_sort[ NLSF_QUANT_DEL_DEC_STATES ]; - opus_int8 ind[ NLSF_QUANT_DEL_DEC_STATES ][ MAX_LPC_ORDER ]; - opus_int16 prev_out_Q10[ 2 * NLSF_QUANT_DEL_DEC_STATES ]; - opus_int32 RD_Q25[ 2 * NLSF_QUANT_DEL_DEC_STATES ]; - opus_int32 RD_min_Q25[ NLSF_QUANT_DEL_DEC_STATES ]; - opus_int32 RD_max_Q25[ NLSF_QUANT_DEL_DEC_STATES ]; - const opus_uint8 *rates_Q5; - - silk_assert( (NLSF_QUANT_DEL_DEC_STATES & (NLSF_QUANT_DEL_DEC_STATES-1)) == 0 ); /* must be power of two */ - - nStates = 1; - RD_Q25[ 0 ] = 0; - prev_out_Q10[ 0 ] = 0; - for( i = order - 1; ; i-- ) { - rates_Q5 = &ec_rates_Q5[ ec_ix[ i ] ]; - pred_coef_Q16 = silk_LSHIFT( (opus_int32)pred_coef_Q8[ i ], 8 ); - in_Q10 = x_Q10[ i ]; - for( j = 0; j < nStates; j++ ) { - pred_Q10 = silk_SMULWB( pred_coef_Q16, prev_out_Q10[ j ] ); - res_Q10 = silk_SUB16( in_Q10, pred_Q10 ); - ind_tmp = silk_SMULWB( (opus_int32)inv_quant_step_size_Q6, res_Q10 ); - ind_tmp = silk_LIMIT( ind_tmp, -NLSF_QUANT_MAX_AMPLITUDE_EXT, NLSF_QUANT_MAX_AMPLITUDE_EXT-1 ); - ind[ j ][ i ] = (opus_int8)ind_tmp; - - /* compute outputs for ind_tmp and ind_tmp + 1 */ - out0_Q10 = silk_LSHIFT( ind_tmp, 10 ); - out1_Q10 = silk_ADD16( out0_Q10, 1024 ); - if( ind_tmp > 0 ) { - out0_Q10 = silk_SUB16( out0_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - out1_Q10 = silk_SUB16( out1_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - } else if( ind_tmp == 0 ) { - out1_Q10 = silk_SUB16( out1_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - } else if( ind_tmp == -1 ) { - out0_Q10 = silk_ADD16( out0_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - } else { - out0_Q10 = silk_ADD16( out0_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - out1_Q10 = silk_ADD16( out1_Q10, SILK_FIX_CONST( NLSF_QUANT_LEVEL_ADJ, 10 ) ); - } - out0_Q10 = silk_SMULWB( (opus_int32)out0_Q10, quant_step_size_Q16 ); - out1_Q10 = silk_SMULWB( (opus_int32)out1_Q10, quant_step_size_Q16 ); - out0_Q10 = silk_ADD16( out0_Q10, pred_Q10 ); - out1_Q10 = silk_ADD16( out1_Q10, pred_Q10 ); - prev_out_Q10[ j ] = out0_Q10; - prev_out_Q10[ j + nStates ] = out1_Q10; - - /* compute RD for ind_tmp and ind_tmp + 1 */ - if( ind_tmp + 1 >= NLSF_QUANT_MAX_AMPLITUDE ) { - if( ind_tmp + 1 == NLSF_QUANT_MAX_AMPLITUDE ) { - rate0_Q5 = rates_Q5[ ind_tmp + NLSF_QUANT_MAX_AMPLITUDE ]; - rate1_Q5 = 280; - } else { - rate0_Q5 = silk_SMLABB( 280 - 43 * NLSF_QUANT_MAX_AMPLITUDE, 43, ind_tmp ); - rate1_Q5 = silk_ADD16( rate0_Q5, 43 ); - } - } else if( ind_tmp <= -NLSF_QUANT_MAX_AMPLITUDE ) { - if( ind_tmp == -NLSF_QUANT_MAX_AMPLITUDE ) { - rate0_Q5 = 280; - rate1_Q5 = rates_Q5[ ind_tmp + 1 + NLSF_QUANT_MAX_AMPLITUDE ]; - } else { - rate0_Q5 = silk_SMLABB( 280 - 43 * NLSF_QUANT_MAX_AMPLITUDE, -43, ind_tmp ); - rate1_Q5 = silk_SUB16( rate0_Q5, 43 ); - } - } else { - rate0_Q5 = rates_Q5[ ind_tmp + NLSF_QUANT_MAX_AMPLITUDE ]; - rate1_Q5 = rates_Q5[ ind_tmp + 1 + NLSF_QUANT_MAX_AMPLITUDE ]; - } - RD_tmp_Q25 = RD_Q25[ j ]; - diff_Q10 = silk_SUB16( in_Q10, out0_Q10 ); - RD_Q25[ j ] = silk_SMLABB( silk_MLA( RD_tmp_Q25, silk_SMULBB( diff_Q10, diff_Q10 ), w_Q5[ i ] ), mu_Q20, rate0_Q5 ); - diff_Q10 = silk_SUB16( in_Q10, out1_Q10 ); - RD_Q25[ j + nStates ] = silk_SMLABB( silk_MLA( RD_tmp_Q25, silk_SMULBB( diff_Q10, diff_Q10 ), w_Q5[ i ] ), mu_Q20, rate1_Q5 ); - } - - if( nStates <= ( NLSF_QUANT_DEL_DEC_STATES >> 1 ) ) { - /* double number of states and copy */ - for( j = 0; j < nStates; j++ ) { - ind[ j + nStates ][ i ] = ind[ j ][ i ] + 1; - } - nStates = silk_LSHIFT( nStates, 1 ); - for( j = nStates; j < NLSF_QUANT_DEL_DEC_STATES; j++ ) { - ind[ j ][ i ] = ind[ j - nStates ][ i ]; - } - } else if( i > 0 ) { - /* sort lower and upper half of RD_Q25, pairwise */ - for( j = 0; j < NLSF_QUANT_DEL_DEC_STATES; j++ ) { - if( RD_Q25[ j ] > RD_Q25[ j + NLSF_QUANT_DEL_DEC_STATES ] ) { - RD_max_Q25[ j ] = RD_Q25[ j ]; - RD_min_Q25[ j ] = RD_Q25[ j + NLSF_QUANT_DEL_DEC_STATES ]; - RD_Q25[ j ] = RD_min_Q25[ j ]; - RD_Q25[ j + NLSF_QUANT_DEL_DEC_STATES ] = RD_max_Q25[ j ]; - /* swap prev_out values */ - out0_Q10 = prev_out_Q10[ j ]; - prev_out_Q10[ j ] = prev_out_Q10[ j + NLSF_QUANT_DEL_DEC_STATES ]; - prev_out_Q10[ j + NLSF_QUANT_DEL_DEC_STATES ] = out0_Q10; - ind_sort[ j ] = j + NLSF_QUANT_DEL_DEC_STATES; - } else { - RD_min_Q25[ j ] = RD_Q25[ j ]; - RD_max_Q25[ j ] = RD_Q25[ j + NLSF_QUANT_DEL_DEC_STATES ]; - ind_sort[ j ] = j; - } - } - /* compare the highest RD values of the winning half with the lowest one in the losing half, and copy if necessary */ - /* afterwards ind_sort[] will contain the indices of the NLSF_QUANT_DEL_DEC_STATES winning RD values */ - while( 1 ) { - min_max_Q25 = silk_int32_MAX; - max_min_Q25 = 0; - ind_min_max = 0; - ind_max_min = 0; - for( j = 0; j < NLSF_QUANT_DEL_DEC_STATES; j++ ) { - if( min_max_Q25 > RD_max_Q25[ j ] ) { - min_max_Q25 = RD_max_Q25[ j ]; - ind_min_max = j; - } - if( max_min_Q25 < RD_min_Q25[ j ] ) { - max_min_Q25 = RD_min_Q25[ j ]; - ind_max_min = j; - } - } - if( min_max_Q25 >= max_min_Q25 ) { - break; - } - /* copy ind_min_max to ind_max_min */ - ind_sort[ ind_max_min ] = ind_sort[ ind_min_max ] ^ NLSF_QUANT_DEL_DEC_STATES; - RD_Q25[ ind_max_min ] = RD_Q25[ ind_min_max + NLSF_QUANT_DEL_DEC_STATES ]; - prev_out_Q10[ ind_max_min ] = prev_out_Q10[ ind_min_max + NLSF_QUANT_DEL_DEC_STATES ]; - RD_min_Q25[ ind_max_min ] = 0; - RD_max_Q25[ ind_min_max ] = silk_int32_MAX; - silk_memcpy( ind[ ind_max_min ], ind[ ind_min_max ], MAX_LPC_ORDER * sizeof( opus_int8 ) ); - } - /* increment index if it comes from the upper half */ - for( j = 0; j < NLSF_QUANT_DEL_DEC_STATES; j++ ) { - ind[ j ][ i ] += silk_RSHIFT( ind_sort[ j ], NLSF_QUANT_DEL_DEC_STATES_LOG2 ); - } - } else { /* i == 0 */ - break; - } - } - - /* last sample: find winner, copy indices and return RD value */ - ind_tmp = 0; - min_Q25 = silk_int32_MAX; - for( j = 0; j < 2 * NLSF_QUANT_DEL_DEC_STATES; j++ ) { - if( min_Q25 > RD_Q25[ j ] ) { - min_Q25 = RD_Q25[ j ]; - ind_tmp = j; - } - } - for( j = 0; j < order; j++ ) { - indices[ j ] = ind[ ind_tmp & ( NLSF_QUANT_DEL_DEC_STATES - 1 ) ][ j ]; - silk_assert( indices[ j ] >= -NLSF_QUANT_MAX_AMPLITUDE_EXT ); - silk_assert( indices[ j ] <= NLSF_QUANT_MAX_AMPLITUDE_EXT ); - } - indices[ 0 ] += silk_RSHIFT( ind_tmp, NLSF_QUANT_DEL_DEC_STATES_LOG2 ); - silk_assert( indices[ 0 ] <= NLSF_QUANT_MAX_AMPLITUDE_EXT ); - silk_assert( min_Q25 >= 0 ); - return min_Q25; -} diff --git a/src/opus-1.1/silk/NLSF_encode.c b/src/opus-1.1/silk/NLSF_encode.c deleted file mode 100644 index 03a036fd..00000000 --- a/src/opus-1.1/silk/NLSF_encode.c +++ /dev/null @@ -1,136 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -/***********************/ -/* NLSF vector encoder */ -/***********************/ -opus_int32 silk_NLSF_encode( /* O Returns RD value in Q25 */ - opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ - opus_int16 *pNLSF_Q15, /* I/O Quantized NLSF vector [ LPC_ORDER ] */ - const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ - const opus_int16 *pW_QW, /* I NLSF weight vector [ LPC_ORDER ] */ - const opus_int NLSF_mu_Q20, /* I Rate weight for the RD optimization */ - const opus_int nSurvivors, /* I Max survivors after first stage */ - const opus_int signalType /* I Signal type: 0/1/2 */ -) -{ - opus_int i, s, ind1, bestIndex, prob_Q8, bits_q7; - opus_int32 W_tmp_Q9; - VARDECL( opus_int32, err_Q26 ); - VARDECL( opus_int32, RD_Q25 ); - VARDECL( opus_int, tempIndices1 ); - VARDECL( opus_int8, tempIndices2 ); - opus_int16 res_Q15[ MAX_LPC_ORDER ]; - opus_int16 res_Q10[ MAX_LPC_ORDER ]; - opus_int16 NLSF_tmp_Q15[ MAX_LPC_ORDER ]; - opus_int16 W_tmp_QW[ MAX_LPC_ORDER ]; - opus_int16 W_adj_Q5[ MAX_LPC_ORDER ]; - opus_uint8 pred_Q8[ MAX_LPC_ORDER ]; - opus_int16 ec_ix[ MAX_LPC_ORDER ]; - const opus_uint8 *pCB_element, *iCDF_ptr; - SAVE_STACK; - - silk_assert( nSurvivors <= NLSF_VQ_MAX_SURVIVORS ); - silk_assert( signalType >= 0 && signalType <= 2 ); - silk_assert( NLSF_mu_Q20 <= 32767 && NLSF_mu_Q20 >= 0 ); - - /* NLSF stabilization */ - silk_NLSF_stabilize( pNLSF_Q15, psNLSF_CB->deltaMin_Q15, psNLSF_CB->order ); - - /* First stage: VQ */ - ALLOC( err_Q26, psNLSF_CB->nVectors, opus_int32 ); - silk_NLSF_VQ( err_Q26, pNLSF_Q15, psNLSF_CB->CB1_NLSF_Q8, psNLSF_CB->nVectors, psNLSF_CB->order ); - - /* Sort the quantization errors */ - ALLOC( tempIndices1, nSurvivors, opus_int ); - silk_insertion_sort_increasing( err_Q26, tempIndices1, psNLSF_CB->nVectors, nSurvivors ); - - ALLOC( RD_Q25, nSurvivors, opus_int32 ); - ALLOC( tempIndices2, nSurvivors * MAX_LPC_ORDER, opus_int8 ); - - /* Loop over survivors */ - for( s = 0; s < nSurvivors; s++ ) { - ind1 = tempIndices1[ s ]; - - /* Residual after first stage */ - pCB_element = &psNLSF_CB->CB1_NLSF_Q8[ ind1 * psNLSF_CB->order ]; - for( i = 0; i < psNLSF_CB->order; i++ ) { - NLSF_tmp_Q15[ i ] = silk_LSHIFT16( (opus_int16)pCB_element[ i ], 7 ); - res_Q15[ i ] = pNLSF_Q15[ i ] - NLSF_tmp_Q15[ i ]; - } - - /* Weights from codebook vector */ - silk_NLSF_VQ_weights_laroia( W_tmp_QW, NLSF_tmp_Q15, psNLSF_CB->order ); - - /* Apply square-rooted weights */ - for( i = 0; i < psNLSF_CB->order; i++ ) { - W_tmp_Q9 = silk_SQRT_APPROX( silk_LSHIFT( (opus_int32)W_tmp_QW[ i ], 18 - NLSF_W_Q ) ); - res_Q10[ i ] = (opus_int16)silk_RSHIFT( silk_SMULBB( res_Q15[ i ], W_tmp_Q9 ), 14 ); - } - - /* Modify input weights accordingly */ - for( i = 0; i < psNLSF_CB->order; i++ ) { - W_adj_Q5[ i ] = silk_DIV32_16( silk_LSHIFT( (opus_int32)pW_QW[ i ], 5 ), W_tmp_QW[ i ] ); - } - - /* Unpack entropy table indices and predictor for current CB1 index */ - silk_NLSF_unpack( ec_ix, pred_Q8, psNLSF_CB, ind1 ); - - /* Trellis quantizer */ - RD_Q25[ s ] = silk_NLSF_del_dec_quant( &tempIndices2[ s * MAX_LPC_ORDER ], res_Q10, W_adj_Q5, pred_Q8, ec_ix, - psNLSF_CB->ec_Rates_Q5, psNLSF_CB->quantStepSize_Q16, psNLSF_CB->invQuantStepSize_Q6, NLSF_mu_Q20, psNLSF_CB->order ); - - /* Add rate for first stage */ - iCDF_ptr = &psNLSF_CB->CB1_iCDF[ ( signalType >> 1 ) * psNLSF_CB->nVectors ]; - if( ind1 == 0 ) { - prob_Q8 = 256 - iCDF_ptr[ ind1 ]; - } else { - prob_Q8 = iCDF_ptr[ ind1 - 1 ] - iCDF_ptr[ ind1 ]; - } - bits_q7 = ( 8 << 7 ) - silk_lin2log( prob_Q8 ); - RD_Q25[ s ] = silk_SMLABB( RD_Q25[ s ], bits_q7, silk_RSHIFT( NLSF_mu_Q20, 2 ) ); - } - - /* Find the lowest rate-distortion error */ - silk_insertion_sort_increasing( RD_Q25, &bestIndex, nSurvivors, 1 ); - - NLSFIndices[ 0 ] = (opus_int8)tempIndices1[ bestIndex ]; - silk_memcpy( &NLSFIndices[ 1 ], &tempIndices2[ bestIndex * MAX_LPC_ORDER ], psNLSF_CB->order * sizeof( opus_int8 ) ); - - /* Decode */ - silk_NLSF_decode( pNLSF_Q15, NLSFIndices, psNLSF_CB ); - - RESTORE_STACK; - return RD_Q25[ 0 ]; -} diff --git a/src/opus-1.1/silk/NLSF_stabilize.c b/src/opus-1.1/silk/NLSF_stabilize.c deleted file mode 100644 index 1fa1ea37..00000000 --- a/src/opus-1.1/silk/NLSF_stabilize.c +++ /dev/null @@ -1,142 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* NLSF stabilizer: */ -/* */ -/* - Moves NLSFs further apart if they are too close */ -/* - Moves NLSFs away from borders if they are too close */ -/* - High effort to achieve a modification with minimum */ -/* Euclidean distance to input vector */ -/* - Output are sorted NLSF coefficients */ -/* */ - -#include "SigProc_FIX.h" - -/* Constant Definitions */ -#define MAX_LOOPS 20 - -/* NLSF stabilizer, for a single input data vector */ -void silk_NLSF_stabilize( - opus_int16 *NLSF_Q15, /* I/O Unstable/stabilized normalized LSF vector in Q15 [L] */ - const opus_int16 *NDeltaMin_Q15, /* I Min distance vector, NDeltaMin_Q15[L] must be >= 1 [L+1] */ - const opus_int L /* I Number of NLSF parameters in the input vector */ -) -{ - opus_int i, I=0, k, loops; - opus_int16 center_freq_Q15; - opus_int32 diff_Q15, min_diff_Q15, min_center_Q15, max_center_Q15; - - /* This is necessary to ensure an output within range of a opus_int16 */ - silk_assert( NDeltaMin_Q15[L] >= 1 ); - - for( loops = 0; loops < MAX_LOOPS; loops++ ) { - /**************************/ - /* Find smallest distance */ - /**************************/ - /* First element */ - min_diff_Q15 = NLSF_Q15[0] - NDeltaMin_Q15[0]; - I = 0; - /* Middle elements */ - for( i = 1; i <= L-1; i++ ) { - diff_Q15 = NLSF_Q15[i] - ( NLSF_Q15[i-1] + NDeltaMin_Q15[i] ); - if( diff_Q15 < min_diff_Q15 ) { - min_diff_Q15 = diff_Q15; - I = i; - } - } - /* Last element */ - diff_Q15 = ( 1 << 15 ) - ( NLSF_Q15[L-1] + NDeltaMin_Q15[L] ); - if( diff_Q15 < min_diff_Q15 ) { - min_diff_Q15 = diff_Q15; - I = L; - } - - /***************************************************/ - /* Now check if the smallest distance non-negative */ - /***************************************************/ - if( min_diff_Q15 >= 0 ) { - return; - } - - if( I == 0 ) { - /* Move away from lower limit */ - NLSF_Q15[0] = NDeltaMin_Q15[0]; - - } else if( I == L) { - /* Move away from higher limit */ - NLSF_Q15[L-1] = ( 1 << 15 ) - NDeltaMin_Q15[L]; - - } else { - /* Find the lower extreme for the location of the current center frequency */ - min_center_Q15 = 0; - for( k = 0; k < I; k++ ) { - min_center_Q15 += NDeltaMin_Q15[k]; - } - min_center_Q15 += silk_RSHIFT( NDeltaMin_Q15[I], 1 ); - - /* Find the upper extreme for the location of the current center frequency */ - max_center_Q15 = 1 << 15; - for( k = L; k > I; k-- ) { - max_center_Q15 -= NDeltaMin_Q15[k]; - } - max_center_Q15 -= silk_RSHIFT( NDeltaMin_Q15[I], 1 ); - - /* Move apart, sorted by value, keeping the same center frequency */ - center_freq_Q15 = (opus_int16)silk_LIMIT_32( silk_RSHIFT_ROUND( (opus_int32)NLSF_Q15[I-1] + (opus_int32)NLSF_Q15[I], 1 ), - min_center_Q15, max_center_Q15 ); - NLSF_Q15[I-1] = center_freq_Q15 - silk_RSHIFT( NDeltaMin_Q15[I], 1 ); - NLSF_Q15[I] = NLSF_Q15[I-1] + NDeltaMin_Q15[I]; - } - } - - /* Safe and simple fall back method, which is less ideal than the above */ - if( loops == MAX_LOOPS ) - { - /* Insertion sort (fast for already almost sorted arrays): */ - /* Best case: O(n) for an already sorted array */ - /* Worst case: O(n^2) for an inversely sorted array */ - silk_insertion_sort_increasing_all_values_int16( &NLSF_Q15[0], L ); - - /* First NLSF should be no less than NDeltaMin[0] */ - NLSF_Q15[0] = silk_max_int( NLSF_Q15[0], NDeltaMin_Q15[0] ); - - /* Keep delta_min distance between the NLSFs */ - for( i = 1; i < L; i++ ) - NLSF_Q15[i] = silk_max_int( NLSF_Q15[i], NLSF_Q15[i-1] + NDeltaMin_Q15[i] ); - - /* Last NLSF should be no higher than 1 - NDeltaMin[L] */ - NLSF_Q15[L-1] = silk_min_int( NLSF_Q15[L-1], (1<<15) - NDeltaMin_Q15[L] ); - - /* Keep NDeltaMin distance between the NLSFs */ - for( i = L-2; i >= 0; i-- ) - NLSF_Q15[i] = silk_min_int( NLSF_Q15[i], NLSF_Q15[i+1] - NDeltaMin_Q15[i+1] ); - } -} diff --git a/src/opus-1.1/silk/NLSF_unpack.c b/src/opus-1.1/silk/NLSF_unpack.c deleted file mode 100644 index 17bd23f7..00000000 --- a/src/opus-1.1/silk/NLSF_unpack.c +++ /dev/null @@ -1,55 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Unpack predictor values and indices for entropy coding tables */ -void silk_NLSF_unpack( - opus_int16 ec_ix[], /* O Indices to entropy tables [ LPC_ORDER ] */ - opus_uint8 pred_Q8[], /* O LSF predictor [ LPC_ORDER ] */ - const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ - const opus_int CB1_index /* I Index of vector in first LSF codebook */ -) -{ - opus_int i; - opus_uint8 entry; - const opus_uint8 *ec_sel_ptr; - - ec_sel_ptr = &psNLSF_CB->ec_sel[ CB1_index * psNLSF_CB->order / 2 ]; - for( i = 0; i < psNLSF_CB->order; i += 2 ) { - entry = *ec_sel_ptr++; - ec_ix [ i ] = silk_SMULBB( silk_RSHIFT( entry, 1 ) & 7, 2 * NLSF_QUANT_MAX_AMPLITUDE + 1 ); - pred_Q8[ i ] = psNLSF_CB->pred_Q8[ i + ( entry & 1 ) * ( psNLSF_CB->order - 1 ) ]; - ec_ix [ i + 1 ] = silk_SMULBB( silk_RSHIFT( entry, 5 ) & 7, 2 * NLSF_QUANT_MAX_AMPLITUDE + 1 ); - pred_Q8[ i + 1 ] = psNLSF_CB->pred_Q8[ i + ( silk_RSHIFT( entry, 4 ) & 1 ) * ( psNLSF_CB->order - 1 ) + 1 ]; - } -} - diff --git a/src/opus-1.1/silk/NSQ.c b/src/opus-1.1/silk/NSQ.c deleted file mode 100644 index cf5b3fd5..00000000 --- a/src/opus-1.1/silk/NSQ.c +++ /dev/null @@ -1,446 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -static OPUS_INLINE void silk_nsq_scale_states( - const silk_encoder_state *psEncC, /* I Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - const opus_int32 x_Q3[], /* I input in Q3 */ - opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */ - const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */ - opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ - opus_int subfr, /* I subframe number */ - const opus_int LTP_scale_Q14, /* I */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ - const opus_int signal_type /* I Signal type */ -); - -static OPUS_INLINE void silk_noise_shape_quantizer( - silk_nsq_state *NSQ, /* I/O NSQ state */ - opus_int signalType, /* I Signal type */ - const opus_int32 x_sc_Q10[], /* I */ - opus_int8 pulses[], /* O */ - opus_int16 xq[], /* O */ - opus_int32 sLTP_Q15[], /* I/O LTP state */ - const opus_int16 a_Q12[], /* I Short term prediction coefs */ - const opus_int16 b_Q14[], /* I Long term prediction coefs */ - const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */ - opus_int lag, /* I Pitch lag */ - opus_int32 HarmShapeFIRPacked_Q14, /* I */ - opus_int Tilt_Q14, /* I Spectral tilt */ - opus_int32 LF_shp_Q14, /* I */ - opus_int32 Gain_Q16, /* I */ - opus_int Lambda_Q10, /* I */ - opus_int offset_Q10, /* I */ - opus_int length, /* I Input length */ - opus_int shapingLPCOrder, /* I Noise shaping AR filter order */ - opus_int predictLPCOrder /* I Prediction filter order */ -); - -void silk_NSQ( - const silk_encoder_state *psEncC, /* I/O Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - SideInfoIndices *psIndices, /* I/O Quantization Indices */ - const opus_int32 x_Q3[], /* I Prefiltered input signal */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ - const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ - const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ - const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ - const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ - const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ - const opus_int LTP_scale_Q14 /* I LTP state scaling */ -) -{ - opus_int k, lag, start_idx, LSF_interpolation_flag; - const opus_int16 *A_Q12, *B_Q14, *AR_shp_Q13; - opus_int16 *pxq; - VARDECL( opus_int32, sLTP_Q15 ); - VARDECL( opus_int16, sLTP ); - opus_int32 HarmShapeFIRPacked_Q14; - opus_int offset_Q10; - VARDECL( opus_int32, x_sc_Q10 ); - SAVE_STACK; - - NSQ->rand_seed = psIndices->Seed; - - /* Set unvoiced lag to the previous one, overwrite later for voiced */ - lag = NSQ->lagPrev; - - silk_assert( NSQ->prev_gain_Q16 != 0 ); - - offset_Q10 = silk_Quantization_Offsets_Q10[ psIndices->signalType >> 1 ][ psIndices->quantOffsetType ]; - - if( psIndices->NLSFInterpCoef_Q2 == 4 ) { - LSF_interpolation_flag = 0; - } else { - LSF_interpolation_flag = 1; - } - - ALLOC( sLTP_Q15, - psEncC->ltp_mem_length + psEncC->frame_length, opus_int32 ); - ALLOC( sLTP, psEncC->ltp_mem_length + psEncC->frame_length, opus_int16 ); - ALLOC( x_sc_Q10, psEncC->subfr_length, opus_int32 ); - /* Set up pointers to start of sub frame */ - NSQ->sLTP_shp_buf_idx = psEncC->ltp_mem_length; - NSQ->sLTP_buf_idx = psEncC->ltp_mem_length; - pxq = &NSQ->xq[ psEncC->ltp_mem_length ]; - for( k = 0; k < psEncC->nb_subfr; k++ ) { - A_Q12 = &PredCoef_Q12[ (( k >> 1 ) | ( 1 - LSF_interpolation_flag )) * MAX_LPC_ORDER ]; - B_Q14 = <PCoef_Q14[ k * LTP_ORDER ]; - AR_shp_Q13 = &AR2_Q13[ k * MAX_SHAPE_LPC_ORDER ]; - - /* Noise shape parameters */ - silk_assert( HarmShapeGain_Q14[ k ] >= 0 ); - HarmShapeFIRPacked_Q14 = silk_RSHIFT( HarmShapeGain_Q14[ k ], 2 ); - HarmShapeFIRPacked_Q14 |= silk_LSHIFT( (opus_int32)silk_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 ); - - NSQ->rewhite_flag = 0; - if( psIndices->signalType == TYPE_VOICED ) { - /* Voiced */ - lag = pitchL[ k ]; - - /* Re-whitening */ - if( ( k & ( 3 - silk_LSHIFT( LSF_interpolation_flag, 1 ) ) ) == 0 ) { - /* Rewhiten with new A coefs */ - start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2; - silk_assert( start_idx > 0 ); - - silk_LPC_analysis_filter( &sLTP[ start_idx ], &NSQ->xq[ start_idx + k * psEncC->subfr_length ], - A_Q12, psEncC->ltp_mem_length - start_idx, psEncC->predictLPCOrder ); - - NSQ->rewhite_flag = 1; - NSQ->sLTP_buf_idx = psEncC->ltp_mem_length; - } - } - - silk_nsq_scale_states( psEncC, NSQ, x_Q3, x_sc_Q10, sLTP, sLTP_Q15, k, LTP_scale_Q14, Gains_Q16, pitchL, psIndices->signalType ); - - silk_noise_shape_quantizer( NSQ, psIndices->signalType, x_sc_Q10, pulses, pxq, sLTP_Q15, A_Q12, B_Q14, - AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ], Lambda_Q10, - offset_Q10, psEncC->subfr_length, psEncC->shapingLPCOrder, psEncC->predictLPCOrder ); - - x_Q3 += psEncC->subfr_length; - pulses += psEncC->subfr_length; - pxq += psEncC->subfr_length; - } - - /* Update lagPrev for next frame */ - NSQ->lagPrev = pitchL[ psEncC->nb_subfr - 1 ]; - - /* Save quantized speech and noise shaping signals */ - /* DEBUG_STORE_DATA( enc.pcm, &NSQ->xq[ psEncC->ltp_mem_length ], psEncC->frame_length * sizeof( opus_int16 ) ) */ - silk_memmove( NSQ->xq, &NSQ->xq[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int16 ) ); - silk_memmove( NSQ->sLTP_shp_Q14, &NSQ->sLTP_shp_Q14[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int32 ) ); - RESTORE_STACK; -} - -/***********************************/ -/* silk_noise_shape_quantizer */ -/***********************************/ -static OPUS_INLINE void silk_noise_shape_quantizer( - silk_nsq_state *NSQ, /* I/O NSQ state */ - opus_int signalType, /* I Signal type */ - const opus_int32 x_sc_Q10[], /* I */ - opus_int8 pulses[], /* O */ - opus_int16 xq[], /* O */ - opus_int32 sLTP_Q15[], /* I/O LTP state */ - const opus_int16 a_Q12[], /* I Short term prediction coefs */ - const opus_int16 b_Q14[], /* I Long term prediction coefs */ - const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */ - opus_int lag, /* I Pitch lag */ - opus_int32 HarmShapeFIRPacked_Q14, /* I */ - opus_int Tilt_Q14, /* I Spectral tilt */ - opus_int32 LF_shp_Q14, /* I */ - opus_int32 Gain_Q16, /* I */ - opus_int Lambda_Q10, /* I */ - opus_int offset_Q10, /* I */ - opus_int length, /* I Input length */ - opus_int shapingLPCOrder, /* I Noise shaping AR filter order */ - opus_int predictLPCOrder /* I Prediction filter order */ -) -{ - opus_int i, j; - opus_int32 LTP_pred_Q13, LPC_pred_Q10, n_AR_Q12, n_LTP_Q13; - opus_int32 n_LF_Q12, r_Q10, rr_Q10, q1_Q0, q1_Q10, q2_Q10, rd1_Q20, rd2_Q20; - opus_int32 exc_Q14, LPC_exc_Q14, xq_Q14, Gain_Q10; - opus_int32 tmp1, tmp2, sLF_AR_shp_Q14; - opus_int32 *psLPC_Q14, *shp_lag_ptr, *pred_lag_ptr; - - shp_lag_ptr = &NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - lag + HARM_SHAPE_FIR_TAPS / 2 ]; - pred_lag_ptr = &sLTP_Q15[ NSQ->sLTP_buf_idx - lag + LTP_ORDER / 2 ]; - Gain_Q10 = silk_RSHIFT( Gain_Q16, 6 ); - - /* Set up short term AR state */ - psLPC_Q14 = &NSQ->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - 1 ]; - - for( i = 0; i < length; i++ ) { - /* Generate dither */ - NSQ->rand_seed = silk_RAND( NSQ->rand_seed ); - - /* Short-term prediction */ - silk_assert( predictLPCOrder == 10 || predictLPCOrder == 16 ); - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LPC_pred_Q10 = silk_RSHIFT( predictLPCOrder, 1 ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ 0 ], a_Q12[ 0 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -1 ], a_Q12[ 1 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -2 ], a_Q12[ 2 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -3 ], a_Q12[ 3 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -4 ], a_Q12[ 4 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -5 ], a_Q12[ 5 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -6 ], a_Q12[ 6 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -7 ], a_Q12[ 7 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -8 ], a_Q12[ 8 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -9 ], a_Q12[ 9 ] ); - if( predictLPCOrder == 16 ) { - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -10 ], a_Q12[ 10 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -11 ], a_Q12[ 11 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -12 ], a_Q12[ 12 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -13 ], a_Q12[ 13 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -14 ], a_Q12[ 14 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -15 ], a_Q12[ 15 ] ); - } - - /* Long-term prediction */ - if( signalType == TYPE_VOICED ) { - /* Unrolled loop */ - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LTP_pred_Q13 = 2; - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ 0 ], b_Q14[ 0 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -1 ], b_Q14[ 1 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -2 ], b_Q14[ 2 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -3 ], b_Q14[ 3 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -4 ], b_Q14[ 4 ] ); - pred_lag_ptr++; - } else { - LTP_pred_Q13 = 0; - } - - /* Noise shape feedback */ - silk_assert( ( shapingLPCOrder & 1 ) == 0 ); /* check that order is even */ - tmp2 = psLPC_Q14[ 0 ]; - tmp1 = NSQ->sAR2_Q14[ 0 ]; - NSQ->sAR2_Q14[ 0 ] = tmp2; - n_AR_Q12 = silk_RSHIFT( shapingLPCOrder, 1 ); - n_AR_Q12 = silk_SMLAWB( n_AR_Q12, tmp2, AR_shp_Q13[ 0 ] ); - for( j = 2; j < shapingLPCOrder; j += 2 ) { - tmp2 = NSQ->sAR2_Q14[ j - 1 ]; - NSQ->sAR2_Q14[ j - 1 ] = tmp1; - n_AR_Q12 = silk_SMLAWB( n_AR_Q12, tmp1, AR_shp_Q13[ j - 1 ] ); - tmp1 = NSQ->sAR2_Q14[ j + 0 ]; - NSQ->sAR2_Q14[ j + 0 ] = tmp2; - n_AR_Q12 = silk_SMLAWB( n_AR_Q12, tmp2, AR_shp_Q13[ j ] ); - } - NSQ->sAR2_Q14[ shapingLPCOrder - 1 ] = tmp1; - n_AR_Q12 = silk_SMLAWB( n_AR_Q12, tmp1, AR_shp_Q13[ shapingLPCOrder - 1 ] ); - - n_AR_Q12 = silk_LSHIFT32( n_AR_Q12, 1 ); /* Q11 -> Q12 */ - n_AR_Q12 = silk_SMLAWB( n_AR_Q12, NSQ->sLF_AR_shp_Q14, Tilt_Q14 ); - - n_LF_Q12 = silk_SMULWB( NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - 1 ], LF_shp_Q14 ); - n_LF_Q12 = silk_SMLAWT( n_LF_Q12, NSQ->sLF_AR_shp_Q14, LF_shp_Q14 ); - - silk_assert( lag > 0 || signalType != TYPE_VOICED ); - - /* Combine prediction and noise shaping signals */ - tmp1 = silk_SUB32( silk_LSHIFT32( LPC_pred_Q10, 2 ), n_AR_Q12 ); /* Q12 */ - tmp1 = silk_SUB32( tmp1, n_LF_Q12 ); /* Q12 */ - if( lag > 0 ) { - /* Symmetric, packed FIR coefficients */ - n_LTP_Q13 = silk_SMULWB( silk_ADD32( shp_lag_ptr[ 0 ], shp_lag_ptr[ -2 ] ), HarmShapeFIRPacked_Q14 ); - n_LTP_Q13 = silk_SMLAWT( n_LTP_Q13, shp_lag_ptr[ -1 ], HarmShapeFIRPacked_Q14 ); - n_LTP_Q13 = silk_LSHIFT( n_LTP_Q13, 1 ); - shp_lag_ptr++; - - tmp2 = silk_SUB32( LTP_pred_Q13, n_LTP_Q13 ); /* Q13 */ - tmp1 = silk_ADD_LSHIFT32( tmp2, tmp1, 1 ); /* Q13 */ - tmp1 = silk_RSHIFT_ROUND( tmp1, 3 ); /* Q10 */ - } else { - tmp1 = silk_RSHIFT_ROUND( tmp1, 2 ); /* Q10 */ - } - - r_Q10 = silk_SUB32( x_sc_Q10[ i ], tmp1 ); /* residual error Q10 */ - - /* Flip sign depending on dither */ - if ( NSQ->rand_seed < 0 ) { - r_Q10 = -r_Q10; - } - r_Q10 = silk_LIMIT_32( r_Q10, -(31 << 10), 30 << 10 ); - - /* Find two quantization level candidates and measure their rate-distortion */ - q1_Q10 = silk_SUB32( r_Q10, offset_Q10 ); - q1_Q0 = silk_RSHIFT( q1_Q10, 10 ); - if( q1_Q0 > 0 ) { - q1_Q10 = silk_SUB32( silk_LSHIFT( q1_Q0, 10 ), QUANT_LEVEL_ADJUST_Q10 ); - q1_Q10 = silk_ADD32( q1_Q10, offset_Q10 ); - q2_Q10 = silk_ADD32( q1_Q10, 1024 ); - rd1_Q20 = silk_SMULBB( q1_Q10, Lambda_Q10 ); - rd2_Q20 = silk_SMULBB( q2_Q10, Lambda_Q10 ); - } else if( q1_Q0 == 0 ) { - q1_Q10 = offset_Q10; - q2_Q10 = silk_ADD32( q1_Q10, 1024 - QUANT_LEVEL_ADJUST_Q10 ); - rd1_Q20 = silk_SMULBB( q1_Q10, Lambda_Q10 ); - rd2_Q20 = silk_SMULBB( q2_Q10, Lambda_Q10 ); - } else if( q1_Q0 == -1 ) { - q2_Q10 = offset_Q10; - q1_Q10 = silk_SUB32( q2_Q10, 1024 - QUANT_LEVEL_ADJUST_Q10 ); - rd1_Q20 = silk_SMULBB( -q1_Q10, Lambda_Q10 ); - rd2_Q20 = silk_SMULBB( q2_Q10, Lambda_Q10 ); - } else { /* Q1_Q0 < -1 */ - q1_Q10 = silk_ADD32( silk_LSHIFT( q1_Q0, 10 ), QUANT_LEVEL_ADJUST_Q10 ); - q1_Q10 = silk_ADD32( q1_Q10, offset_Q10 ); - q2_Q10 = silk_ADD32( q1_Q10, 1024 ); - rd1_Q20 = silk_SMULBB( -q1_Q10, Lambda_Q10 ); - rd2_Q20 = silk_SMULBB( -q2_Q10, Lambda_Q10 ); - } - rr_Q10 = silk_SUB32( r_Q10, q1_Q10 ); - rd1_Q20 = silk_SMLABB( rd1_Q20, rr_Q10, rr_Q10 ); - rr_Q10 = silk_SUB32( r_Q10, q2_Q10 ); - rd2_Q20 = silk_SMLABB( rd2_Q20, rr_Q10, rr_Q10 ); - - if( rd2_Q20 < rd1_Q20 ) { - q1_Q10 = q2_Q10; - } - - pulses[ i ] = (opus_int8)silk_RSHIFT_ROUND( q1_Q10, 10 ); - - /* Excitation */ - exc_Q14 = silk_LSHIFT( q1_Q10, 4 ); - if ( NSQ->rand_seed < 0 ) { - exc_Q14 = -exc_Q14; - } - - /* Add predictions */ - LPC_exc_Q14 = silk_ADD_LSHIFT32( exc_Q14, LTP_pred_Q13, 1 ); - xq_Q14 = silk_ADD_LSHIFT32( LPC_exc_Q14, LPC_pred_Q10, 4 ); - - /* Scale XQ back to normal level before saving */ - xq[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( xq_Q14, Gain_Q10 ), 8 ) ); - - /* Update states */ - psLPC_Q14++; - *psLPC_Q14 = xq_Q14; - sLF_AR_shp_Q14 = silk_SUB_LSHIFT32( xq_Q14, n_AR_Q12, 2 ); - NSQ->sLF_AR_shp_Q14 = sLF_AR_shp_Q14; - - NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx ] = silk_SUB_LSHIFT32( sLF_AR_shp_Q14, n_LF_Q12, 2 ); - sLTP_Q15[ NSQ->sLTP_buf_idx ] = silk_LSHIFT( LPC_exc_Q14, 1 ); - NSQ->sLTP_shp_buf_idx++; - NSQ->sLTP_buf_idx++; - - /* Make dither dependent on quantized signal */ - NSQ->rand_seed = silk_ADD32_ovflw( NSQ->rand_seed, pulses[ i ] ); - } - - /* Update LPC synth buffer */ - silk_memcpy( NSQ->sLPC_Q14, &NSQ->sLPC_Q14[ length ], NSQ_LPC_BUF_LENGTH * sizeof( opus_int32 ) ); -} - -static OPUS_INLINE void silk_nsq_scale_states( - const silk_encoder_state *psEncC, /* I Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - const opus_int32 x_Q3[], /* I input in Q3 */ - opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */ - const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */ - opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ - opus_int subfr, /* I subframe number */ - const opus_int LTP_scale_Q14, /* I */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ - const opus_int signal_type /* I Signal type */ -) -{ - opus_int i, lag; - opus_int32 gain_adj_Q16, inv_gain_Q31, inv_gain_Q23; - - lag = pitchL[ subfr ]; - inv_gain_Q31 = silk_INVERSE32_varQ( silk_max( Gains_Q16[ subfr ], 1 ), 47 ); - silk_assert( inv_gain_Q31 != 0 ); - - /* Calculate gain adjustment factor */ - if( Gains_Q16[ subfr ] != NSQ->prev_gain_Q16 ) { - gain_adj_Q16 = silk_DIV32_varQ( NSQ->prev_gain_Q16, Gains_Q16[ subfr ], 16 ); - } else { - gain_adj_Q16 = (opus_int32)1 << 16; - } - - /* Scale input */ - inv_gain_Q23 = silk_RSHIFT_ROUND( inv_gain_Q31, 8 ); - for( i = 0; i < psEncC->subfr_length; i++ ) { - x_sc_Q10[ i ] = silk_SMULWW( x_Q3[ i ], inv_gain_Q23 ); - } - - /* Save inverse gain */ - NSQ->prev_gain_Q16 = Gains_Q16[ subfr ]; - - /* After rewhitening the LTP state is un-scaled, so scale with inv_gain_Q16 */ - if( NSQ->rewhite_flag ) { - if( subfr == 0 ) { - /* Do LTP downscaling */ - inv_gain_Q31 = silk_LSHIFT( silk_SMULWB( inv_gain_Q31, LTP_scale_Q14 ), 2 ); - } - for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) { - silk_assert( i < MAX_FRAME_LENGTH ); - sLTP_Q15[ i ] = silk_SMULWB( inv_gain_Q31, sLTP[ i ] ); - } - } - - /* Adjust for changing gain */ - if( gain_adj_Q16 != (opus_int32)1 << 16 ) { - /* Scale long-term shaping state */ - for( i = NSQ->sLTP_shp_buf_idx - psEncC->ltp_mem_length; i < NSQ->sLTP_shp_buf_idx; i++ ) { - NSQ->sLTP_shp_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q14[ i ] ); - } - - /* Scale long-term prediction state */ - if( signal_type == TYPE_VOICED && NSQ->rewhite_flag == 0 ) { - for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) { - sLTP_Q15[ i ] = silk_SMULWW( gain_adj_Q16, sLTP_Q15[ i ] ); - } - } - - NSQ->sLF_AR_shp_Q14 = silk_SMULWW( gain_adj_Q16, NSQ->sLF_AR_shp_Q14 ); - - /* Scale short-term prediction and shaping states */ - for( i = 0; i < NSQ_LPC_BUF_LENGTH; i++ ) { - NSQ->sLPC_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLPC_Q14[ i ] ); - } - for( i = 0; i < MAX_SHAPE_LPC_ORDER; i++ ) { - NSQ->sAR2_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sAR2_Q14[ i ] ); - } - } -} diff --git a/src/opus-1.1/silk/NSQ_del_dec.c b/src/opus-1.1/silk/NSQ_del_dec.c deleted file mode 100644 index 522be406..00000000 --- a/src/opus-1.1/silk/NSQ_del_dec.c +++ /dev/null @@ -1,719 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -typedef struct { - opus_int32 sLPC_Q14[ MAX_SUB_FRAME_LENGTH + NSQ_LPC_BUF_LENGTH ]; - opus_int32 RandState[ DECISION_DELAY ]; - opus_int32 Q_Q10[ DECISION_DELAY ]; - opus_int32 Xq_Q14[ DECISION_DELAY ]; - opus_int32 Pred_Q15[ DECISION_DELAY ]; - opus_int32 Shape_Q14[ DECISION_DELAY ]; - opus_int32 sAR2_Q14[ MAX_SHAPE_LPC_ORDER ]; - opus_int32 LF_AR_Q14; - opus_int32 Seed; - opus_int32 SeedInit; - opus_int32 RD_Q10; -} NSQ_del_dec_struct; - -typedef struct { - opus_int32 Q_Q10; - opus_int32 RD_Q10; - opus_int32 xq_Q14; - opus_int32 LF_AR_Q14; - opus_int32 sLTP_shp_Q14; - opus_int32 LPC_exc_Q14; -} NSQ_sample_struct; - -typedef NSQ_sample_struct NSQ_sample_pair[ 2 ]; - -static OPUS_INLINE void silk_nsq_del_dec_scale_states( - const silk_encoder_state *psEncC, /* I Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - NSQ_del_dec_struct psDelDec[], /* I/O Delayed decision states */ - const opus_int32 x_Q3[], /* I Input in Q3 */ - opus_int32 x_sc_Q10[], /* O Input scaled with 1/Gain in Q10 */ - const opus_int16 sLTP[], /* I Re-whitened LTP state in Q0 */ - opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ - opus_int subfr, /* I Subframe number */ - opus_int nStatesDelayedDecision, /* I Number of del dec states */ - const opus_int LTP_scale_Q14, /* I LTP state scaling */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ - const opus_int signal_type, /* I Signal type */ - const opus_int decisionDelay /* I Decision delay */ -); - -/******************************************/ -/* Noise shape quantizer for one subframe */ -/******************************************/ -static OPUS_INLINE void silk_noise_shape_quantizer_del_dec( - silk_nsq_state *NSQ, /* I/O NSQ state */ - NSQ_del_dec_struct psDelDec[], /* I/O Delayed decision states */ - opus_int signalType, /* I Signal type */ - const opus_int32 x_Q10[], /* I */ - opus_int8 pulses[], /* O */ - opus_int16 xq[], /* O */ - opus_int32 sLTP_Q15[], /* I/O LTP filter state */ - opus_int32 delayedGain_Q10[], /* I/O Gain delay buffer */ - const opus_int16 a_Q12[], /* I Short term prediction coefs */ - const opus_int16 b_Q14[], /* I Long term prediction coefs */ - const opus_int16 AR_shp_Q13[], /* I Noise shaping coefs */ - opus_int lag, /* I Pitch lag */ - opus_int32 HarmShapeFIRPacked_Q14, /* I */ - opus_int Tilt_Q14, /* I Spectral tilt */ - opus_int32 LF_shp_Q14, /* I */ - opus_int32 Gain_Q16, /* I */ - opus_int Lambda_Q10, /* I */ - opus_int offset_Q10, /* I */ - opus_int length, /* I Input length */ - opus_int subfr, /* I Subframe number */ - opus_int shapingLPCOrder, /* I Shaping LPC filter order */ - opus_int predictLPCOrder, /* I Prediction filter order */ - opus_int warping_Q16, /* I */ - opus_int nStatesDelayedDecision, /* I Number of states in decision tree */ - opus_int *smpl_buf_idx, /* I Index to newest samples in buffers */ - opus_int decisionDelay /* I */ -); - -void silk_NSQ_del_dec( - const silk_encoder_state *psEncC, /* I/O Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - SideInfoIndices *psIndices, /* I/O Quantization Indices */ - const opus_int32 x_Q3[], /* I Prefiltered input signal */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ - const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ - const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ - const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ - const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ - const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ - const opus_int LTP_scale_Q14 /* I LTP state scaling */ -) -{ - opus_int i, k, lag, start_idx, LSF_interpolation_flag, Winner_ind, subfr; - opus_int last_smple_idx, smpl_buf_idx, decisionDelay; - const opus_int16 *A_Q12, *B_Q14, *AR_shp_Q13; - opus_int16 *pxq; - VARDECL( opus_int32, sLTP_Q15 ); - VARDECL( opus_int16, sLTP ); - opus_int32 HarmShapeFIRPacked_Q14; - opus_int offset_Q10; - opus_int32 RDmin_Q10, Gain_Q10; - VARDECL( opus_int32, x_sc_Q10 ); - VARDECL( opus_int32, delayedGain_Q10 ); - VARDECL( NSQ_del_dec_struct, psDelDec ); - NSQ_del_dec_struct *psDD; - SAVE_STACK; - - /* Set unvoiced lag to the previous one, overwrite later for voiced */ - lag = NSQ->lagPrev; - - silk_assert( NSQ->prev_gain_Q16 != 0 ); - - /* Initialize delayed decision states */ - ALLOC( psDelDec, psEncC->nStatesDelayedDecision, NSQ_del_dec_struct ); - silk_memset( psDelDec, 0, psEncC->nStatesDelayedDecision * sizeof( NSQ_del_dec_struct ) ); - for( k = 0; k < psEncC->nStatesDelayedDecision; k++ ) { - psDD = &psDelDec[ k ]; - psDD->Seed = ( k + psIndices->Seed ) & 3; - psDD->SeedInit = psDD->Seed; - psDD->RD_Q10 = 0; - psDD->LF_AR_Q14 = NSQ->sLF_AR_shp_Q14; - psDD->Shape_Q14[ 0 ] = NSQ->sLTP_shp_Q14[ psEncC->ltp_mem_length - 1 ]; - silk_memcpy( psDD->sLPC_Q14, NSQ->sLPC_Q14, NSQ_LPC_BUF_LENGTH * sizeof( opus_int32 ) ); - silk_memcpy( psDD->sAR2_Q14, NSQ->sAR2_Q14, sizeof( NSQ->sAR2_Q14 ) ); - } - - offset_Q10 = silk_Quantization_Offsets_Q10[ psIndices->signalType >> 1 ][ psIndices->quantOffsetType ]; - smpl_buf_idx = 0; /* index of oldest samples */ - - decisionDelay = silk_min_int( DECISION_DELAY, psEncC->subfr_length ); - - /* For voiced frames limit the decision delay to lower than the pitch lag */ - if( psIndices->signalType == TYPE_VOICED ) { - for( k = 0; k < psEncC->nb_subfr; k++ ) { - decisionDelay = silk_min_int( decisionDelay, pitchL[ k ] - LTP_ORDER / 2 - 1 ); - } - } else { - if( lag > 0 ) { - decisionDelay = silk_min_int( decisionDelay, lag - LTP_ORDER / 2 - 1 ); - } - } - - if( psIndices->NLSFInterpCoef_Q2 == 4 ) { - LSF_interpolation_flag = 0; - } else { - LSF_interpolation_flag = 1; - } - - ALLOC( sLTP_Q15, - psEncC->ltp_mem_length + psEncC->frame_length, opus_int32 ); - ALLOC( sLTP, psEncC->ltp_mem_length + psEncC->frame_length, opus_int16 ); - ALLOC( x_sc_Q10, psEncC->subfr_length, opus_int32 ); - ALLOC( delayedGain_Q10, DECISION_DELAY, opus_int32 ); - /* Set up pointers to start of sub frame */ - pxq = &NSQ->xq[ psEncC->ltp_mem_length ]; - NSQ->sLTP_shp_buf_idx = psEncC->ltp_mem_length; - NSQ->sLTP_buf_idx = psEncC->ltp_mem_length; - subfr = 0; - for( k = 0; k < psEncC->nb_subfr; k++ ) { - A_Q12 = &PredCoef_Q12[ ( ( k >> 1 ) | ( 1 - LSF_interpolation_flag ) ) * MAX_LPC_ORDER ]; - B_Q14 = <PCoef_Q14[ k * LTP_ORDER ]; - AR_shp_Q13 = &AR2_Q13[ k * MAX_SHAPE_LPC_ORDER ]; - - /* Noise shape parameters */ - silk_assert( HarmShapeGain_Q14[ k ] >= 0 ); - HarmShapeFIRPacked_Q14 = silk_RSHIFT( HarmShapeGain_Q14[ k ], 2 ); - HarmShapeFIRPacked_Q14 |= silk_LSHIFT( (opus_int32)silk_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 ); - - NSQ->rewhite_flag = 0; - if( psIndices->signalType == TYPE_VOICED ) { - /* Voiced */ - lag = pitchL[ k ]; - - /* Re-whitening */ - if( ( k & ( 3 - silk_LSHIFT( LSF_interpolation_flag, 1 ) ) ) == 0 ) { - if( k == 2 ) { - /* RESET DELAYED DECISIONS */ - /* Find winner */ - RDmin_Q10 = psDelDec[ 0 ].RD_Q10; - Winner_ind = 0; - for( i = 1; i < psEncC->nStatesDelayedDecision; i++ ) { - if( psDelDec[ i ].RD_Q10 < RDmin_Q10 ) { - RDmin_Q10 = psDelDec[ i ].RD_Q10; - Winner_ind = i; - } - } - for( i = 0; i < psEncC->nStatesDelayedDecision; i++ ) { - if( i != Winner_ind ) { - psDelDec[ i ].RD_Q10 += ( silk_int32_MAX >> 4 ); - silk_assert( psDelDec[ i ].RD_Q10 >= 0 ); - } - } - - /* Copy final part of signals from winner state to output and long-term filter states */ - psDD = &psDelDec[ Winner_ind ]; - last_smple_idx = smpl_buf_idx + decisionDelay; - for( i = 0; i < decisionDelay; i++ ) { - last_smple_idx = ( last_smple_idx - 1 ) & DECISION_DELAY_MASK; - pulses[ i - decisionDelay ] = (opus_int8)silk_RSHIFT_ROUND( psDD->Q_Q10[ last_smple_idx ], 10 ); - pxq[ i - decisionDelay ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( - silk_SMULWW( psDD->Xq_Q14[ last_smple_idx ], Gains_Q16[ 1 ] ), 14 ) ); - NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - decisionDelay + i ] = psDD->Shape_Q14[ last_smple_idx ]; - } - - subfr = 0; - } - - /* Rewhiten with new A coefs */ - start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2; - silk_assert( start_idx > 0 ); - - silk_LPC_analysis_filter( &sLTP[ start_idx ], &NSQ->xq[ start_idx + k * psEncC->subfr_length ], - A_Q12, psEncC->ltp_mem_length - start_idx, psEncC->predictLPCOrder ); - - NSQ->sLTP_buf_idx = psEncC->ltp_mem_length; - NSQ->rewhite_flag = 1; - } - } - - silk_nsq_del_dec_scale_states( psEncC, NSQ, psDelDec, x_Q3, x_sc_Q10, sLTP, sLTP_Q15, k, - psEncC->nStatesDelayedDecision, LTP_scale_Q14, Gains_Q16, pitchL, psIndices->signalType, decisionDelay ); - - silk_noise_shape_quantizer_del_dec( NSQ, psDelDec, psIndices->signalType, x_sc_Q10, pulses, pxq, sLTP_Q15, - delayedGain_Q10, A_Q12, B_Q14, AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], - Gains_Q16[ k ], Lambda_Q10, offset_Q10, psEncC->subfr_length, subfr++, psEncC->shapingLPCOrder, - psEncC->predictLPCOrder, psEncC->warping_Q16, psEncC->nStatesDelayedDecision, &smpl_buf_idx, decisionDelay ); - - x_Q3 += psEncC->subfr_length; - pulses += psEncC->subfr_length; - pxq += psEncC->subfr_length; - } - - /* Find winner */ - RDmin_Q10 = psDelDec[ 0 ].RD_Q10; - Winner_ind = 0; - for( k = 1; k < psEncC->nStatesDelayedDecision; k++ ) { - if( psDelDec[ k ].RD_Q10 < RDmin_Q10 ) { - RDmin_Q10 = psDelDec[ k ].RD_Q10; - Winner_ind = k; - } - } - - /* Copy final part of signals from winner state to output and long-term filter states */ - psDD = &psDelDec[ Winner_ind ]; - psIndices->Seed = psDD->SeedInit; - last_smple_idx = smpl_buf_idx + decisionDelay; - Gain_Q10 = silk_RSHIFT32( Gains_Q16[ psEncC->nb_subfr - 1 ], 6 ); - for( i = 0; i < decisionDelay; i++ ) { - last_smple_idx = ( last_smple_idx - 1 ) & DECISION_DELAY_MASK; - pulses[ i - decisionDelay ] = (opus_int8)silk_RSHIFT_ROUND( psDD->Q_Q10[ last_smple_idx ], 10 ); - pxq[ i - decisionDelay ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( - silk_SMULWW( psDD->Xq_Q14[ last_smple_idx ], Gain_Q10 ), 8 ) ); - NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - decisionDelay + i ] = psDD->Shape_Q14[ last_smple_idx ]; - } - silk_memcpy( NSQ->sLPC_Q14, &psDD->sLPC_Q14[ psEncC->subfr_length ], NSQ_LPC_BUF_LENGTH * sizeof( opus_int32 ) ); - silk_memcpy( NSQ->sAR2_Q14, psDD->sAR2_Q14, sizeof( psDD->sAR2_Q14 ) ); - - /* Update states */ - NSQ->sLF_AR_shp_Q14 = psDD->LF_AR_Q14; - NSQ->lagPrev = pitchL[ psEncC->nb_subfr - 1 ]; - - /* Save quantized speech signal */ - /* DEBUG_STORE_DATA( enc.pcm, &NSQ->xq[psEncC->ltp_mem_length], psEncC->frame_length * sizeof( opus_int16 ) ) */ - silk_memmove( NSQ->xq, &NSQ->xq[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int16 ) ); - silk_memmove( NSQ->sLTP_shp_Q14, &NSQ->sLTP_shp_Q14[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int32 ) ); - RESTORE_STACK; -} - -/******************************************/ -/* Noise shape quantizer for one subframe */ -/******************************************/ -static OPUS_INLINE void silk_noise_shape_quantizer_del_dec( - silk_nsq_state *NSQ, /* I/O NSQ state */ - NSQ_del_dec_struct psDelDec[], /* I/O Delayed decision states */ - opus_int signalType, /* I Signal type */ - const opus_int32 x_Q10[], /* I */ - opus_int8 pulses[], /* O */ - opus_int16 xq[], /* O */ - opus_int32 sLTP_Q15[], /* I/O LTP filter state */ - opus_int32 delayedGain_Q10[], /* I/O Gain delay buffer */ - const opus_int16 a_Q12[], /* I Short term prediction coefs */ - const opus_int16 b_Q14[], /* I Long term prediction coefs */ - const opus_int16 AR_shp_Q13[], /* I Noise shaping coefs */ - opus_int lag, /* I Pitch lag */ - opus_int32 HarmShapeFIRPacked_Q14, /* I */ - opus_int Tilt_Q14, /* I Spectral tilt */ - opus_int32 LF_shp_Q14, /* I */ - opus_int32 Gain_Q16, /* I */ - opus_int Lambda_Q10, /* I */ - opus_int offset_Q10, /* I */ - opus_int length, /* I Input length */ - opus_int subfr, /* I Subframe number */ - opus_int shapingLPCOrder, /* I Shaping LPC filter order */ - opus_int predictLPCOrder, /* I Prediction filter order */ - opus_int warping_Q16, /* I */ - opus_int nStatesDelayedDecision, /* I Number of states in decision tree */ - opus_int *smpl_buf_idx, /* I Index to newest samples in buffers */ - opus_int decisionDelay /* I */ -) -{ - opus_int i, j, k, Winner_ind, RDmin_ind, RDmax_ind, last_smple_idx; - opus_int32 Winner_rand_state; - opus_int32 LTP_pred_Q14, LPC_pred_Q14, n_AR_Q14, n_LTP_Q14; - opus_int32 n_LF_Q14, r_Q10, rr_Q10, rd1_Q10, rd2_Q10, RDmin_Q10, RDmax_Q10; - opus_int32 q1_Q0, q1_Q10, q2_Q10, exc_Q14, LPC_exc_Q14, xq_Q14, Gain_Q10; - opus_int32 tmp1, tmp2, sLF_AR_shp_Q14; - opus_int32 *pred_lag_ptr, *shp_lag_ptr, *psLPC_Q14; - VARDECL( NSQ_sample_pair, psSampleState ); - NSQ_del_dec_struct *psDD; - NSQ_sample_struct *psSS; - SAVE_STACK; - - silk_assert( nStatesDelayedDecision > 0 ); - ALLOC( psSampleState, nStatesDelayedDecision, NSQ_sample_pair ); - - shp_lag_ptr = &NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - lag + HARM_SHAPE_FIR_TAPS / 2 ]; - pred_lag_ptr = &sLTP_Q15[ NSQ->sLTP_buf_idx - lag + LTP_ORDER / 2 ]; - Gain_Q10 = silk_RSHIFT( Gain_Q16, 6 ); - - for( i = 0; i < length; i++ ) { - /* Perform common calculations used in all states */ - - /* Long-term prediction */ - if( signalType == TYPE_VOICED ) { - /* Unrolled loop */ - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LTP_pred_Q14 = 2; - LTP_pred_Q14 = silk_SMLAWB( LTP_pred_Q14, pred_lag_ptr[ 0 ], b_Q14[ 0 ] ); - LTP_pred_Q14 = silk_SMLAWB( LTP_pred_Q14, pred_lag_ptr[ -1 ], b_Q14[ 1 ] ); - LTP_pred_Q14 = silk_SMLAWB( LTP_pred_Q14, pred_lag_ptr[ -2 ], b_Q14[ 2 ] ); - LTP_pred_Q14 = silk_SMLAWB( LTP_pred_Q14, pred_lag_ptr[ -3 ], b_Q14[ 3 ] ); - LTP_pred_Q14 = silk_SMLAWB( LTP_pred_Q14, pred_lag_ptr[ -4 ], b_Q14[ 4 ] ); - LTP_pred_Q14 = silk_LSHIFT( LTP_pred_Q14, 1 ); /* Q13 -> Q14 */ - pred_lag_ptr++; - } else { - LTP_pred_Q14 = 0; - } - - /* Long-term shaping */ - if( lag > 0 ) { - /* Symmetric, packed FIR coefficients */ - n_LTP_Q14 = silk_SMULWB( silk_ADD32( shp_lag_ptr[ 0 ], shp_lag_ptr[ -2 ] ), HarmShapeFIRPacked_Q14 ); - n_LTP_Q14 = silk_SMLAWT( n_LTP_Q14, shp_lag_ptr[ -1 ], HarmShapeFIRPacked_Q14 ); - n_LTP_Q14 = silk_SUB_LSHIFT32( LTP_pred_Q14, n_LTP_Q14, 2 ); /* Q12 -> Q14 */ - shp_lag_ptr++; - } else { - n_LTP_Q14 = 0; - } - - for( k = 0; k < nStatesDelayedDecision; k++ ) { - /* Delayed decision state */ - psDD = &psDelDec[ k ]; - - /* Sample state */ - psSS = psSampleState[ k ]; - - /* Generate dither */ - psDD->Seed = silk_RAND( psDD->Seed ); - - /* Pointer used in short term prediction and shaping */ - psLPC_Q14 = &psDD->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - 1 + i ]; - /* Short-term prediction */ - silk_assert( predictLPCOrder == 10 || predictLPCOrder == 16 ); - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LPC_pred_Q14 = silk_RSHIFT( predictLPCOrder, 1 ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ 0 ], a_Q12[ 0 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -1 ], a_Q12[ 1 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -2 ], a_Q12[ 2 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -3 ], a_Q12[ 3 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -4 ], a_Q12[ 4 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -5 ], a_Q12[ 5 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -6 ], a_Q12[ 6 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -7 ], a_Q12[ 7 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -8 ], a_Q12[ 8 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -9 ], a_Q12[ 9 ] ); - if( predictLPCOrder == 16 ) { - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -10 ], a_Q12[ 10 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -11 ], a_Q12[ 11 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -12 ], a_Q12[ 12 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -13 ], a_Q12[ 13 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -14 ], a_Q12[ 14 ] ); - LPC_pred_Q14 = silk_SMLAWB( LPC_pred_Q14, psLPC_Q14[ -15 ], a_Q12[ 15 ] ); - } - LPC_pred_Q14 = silk_LSHIFT( LPC_pred_Q14, 4 ); /* Q10 -> Q14 */ - - /* Noise shape feedback */ - silk_assert( ( shapingLPCOrder & 1 ) == 0 ); /* check that order is even */ - /* Output of lowpass section */ - tmp2 = silk_SMLAWB( psLPC_Q14[ 0 ], psDD->sAR2_Q14[ 0 ], warping_Q16 ); - /* Output of allpass section */ - tmp1 = silk_SMLAWB( psDD->sAR2_Q14[ 0 ], psDD->sAR2_Q14[ 1 ] - tmp2, warping_Q16 ); - psDD->sAR2_Q14[ 0 ] = tmp2; - n_AR_Q14 = silk_RSHIFT( shapingLPCOrder, 1 ); - n_AR_Q14 = silk_SMLAWB( n_AR_Q14, tmp2, AR_shp_Q13[ 0 ] ); - /* Loop over allpass sections */ - for( j = 2; j < shapingLPCOrder; j += 2 ) { - /* Output of allpass section */ - tmp2 = silk_SMLAWB( psDD->sAR2_Q14[ j - 1 ], psDD->sAR2_Q14[ j + 0 ] - tmp1, warping_Q16 ); - psDD->sAR2_Q14[ j - 1 ] = tmp1; - n_AR_Q14 = silk_SMLAWB( n_AR_Q14, tmp1, AR_shp_Q13[ j - 1 ] ); - /* Output of allpass section */ - tmp1 = silk_SMLAWB( psDD->sAR2_Q14[ j + 0 ], psDD->sAR2_Q14[ j + 1 ] - tmp2, warping_Q16 ); - psDD->sAR2_Q14[ j + 0 ] = tmp2; - n_AR_Q14 = silk_SMLAWB( n_AR_Q14, tmp2, AR_shp_Q13[ j ] ); - } - psDD->sAR2_Q14[ shapingLPCOrder - 1 ] = tmp1; - n_AR_Q14 = silk_SMLAWB( n_AR_Q14, tmp1, AR_shp_Q13[ shapingLPCOrder - 1 ] ); - - n_AR_Q14 = silk_LSHIFT( n_AR_Q14, 1 ); /* Q11 -> Q12 */ - n_AR_Q14 = silk_SMLAWB( n_AR_Q14, psDD->LF_AR_Q14, Tilt_Q14 ); /* Q12 */ - n_AR_Q14 = silk_LSHIFT( n_AR_Q14, 2 ); /* Q12 -> Q14 */ - - n_LF_Q14 = silk_SMULWB( psDD->Shape_Q14[ *smpl_buf_idx ], LF_shp_Q14 ); /* Q12 */ - n_LF_Q14 = silk_SMLAWT( n_LF_Q14, psDD->LF_AR_Q14, LF_shp_Q14 ); /* Q12 */ - n_LF_Q14 = silk_LSHIFT( n_LF_Q14, 2 ); /* Q12 -> Q14 */ - - /* Input minus prediction plus noise feedback */ - /* r = x[ i ] - LTP_pred - LPC_pred + n_AR + n_Tilt + n_LF + n_LTP */ - tmp1 = silk_ADD32( n_AR_Q14, n_LF_Q14 ); /* Q14 */ - tmp2 = silk_ADD32( n_LTP_Q14, LPC_pred_Q14 ); /* Q13 */ - tmp1 = silk_SUB32( tmp2, tmp1 ); /* Q13 */ - tmp1 = silk_RSHIFT_ROUND( tmp1, 4 ); /* Q10 */ - - r_Q10 = silk_SUB32( x_Q10[ i ], tmp1 ); /* residual error Q10 */ - - /* Flip sign depending on dither */ - if ( psDD->Seed < 0 ) { - r_Q10 = -r_Q10; - } - r_Q10 = silk_LIMIT_32( r_Q10, -(31 << 10), 30 << 10 ); - - /* Find two quantization level candidates and measure their rate-distortion */ - q1_Q10 = silk_SUB32( r_Q10, offset_Q10 ); - q1_Q0 = silk_RSHIFT( q1_Q10, 10 ); - if( q1_Q0 > 0 ) { - q1_Q10 = silk_SUB32( silk_LSHIFT( q1_Q0, 10 ), QUANT_LEVEL_ADJUST_Q10 ); - q1_Q10 = silk_ADD32( q1_Q10, offset_Q10 ); - q2_Q10 = silk_ADD32( q1_Q10, 1024 ); - rd1_Q10 = silk_SMULBB( q1_Q10, Lambda_Q10 ); - rd2_Q10 = silk_SMULBB( q2_Q10, Lambda_Q10 ); - } else if( q1_Q0 == 0 ) { - q1_Q10 = offset_Q10; - q2_Q10 = silk_ADD32( q1_Q10, 1024 - QUANT_LEVEL_ADJUST_Q10 ); - rd1_Q10 = silk_SMULBB( q1_Q10, Lambda_Q10 ); - rd2_Q10 = silk_SMULBB( q2_Q10, Lambda_Q10 ); - } else if( q1_Q0 == -1 ) { - q2_Q10 = offset_Q10; - q1_Q10 = silk_SUB32( q2_Q10, 1024 - QUANT_LEVEL_ADJUST_Q10 ); - rd1_Q10 = silk_SMULBB( -q1_Q10, Lambda_Q10 ); - rd2_Q10 = silk_SMULBB( q2_Q10, Lambda_Q10 ); - } else { /* q1_Q0 < -1 */ - q1_Q10 = silk_ADD32( silk_LSHIFT( q1_Q0, 10 ), QUANT_LEVEL_ADJUST_Q10 ); - q1_Q10 = silk_ADD32( q1_Q10, offset_Q10 ); - q2_Q10 = silk_ADD32( q1_Q10, 1024 ); - rd1_Q10 = silk_SMULBB( -q1_Q10, Lambda_Q10 ); - rd2_Q10 = silk_SMULBB( -q2_Q10, Lambda_Q10 ); - } - rr_Q10 = silk_SUB32( r_Q10, q1_Q10 ); - rd1_Q10 = silk_RSHIFT( silk_SMLABB( rd1_Q10, rr_Q10, rr_Q10 ), 10 ); - rr_Q10 = silk_SUB32( r_Q10, q2_Q10 ); - rd2_Q10 = silk_RSHIFT( silk_SMLABB( rd2_Q10, rr_Q10, rr_Q10 ), 10 ); - - if( rd1_Q10 < rd2_Q10 ) { - psSS[ 0 ].RD_Q10 = silk_ADD32( psDD->RD_Q10, rd1_Q10 ); - psSS[ 1 ].RD_Q10 = silk_ADD32( psDD->RD_Q10, rd2_Q10 ); - psSS[ 0 ].Q_Q10 = q1_Q10; - psSS[ 1 ].Q_Q10 = q2_Q10; - } else { - psSS[ 0 ].RD_Q10 = silk_ADD32( psDD->RD_Q10, rd2_Q10 ); - psSS[ 1 ].RD_Q10 = silk_ADD32( psDD->RD_Q10, rd1_Q10 ); - psSS[ 0 ].Q_Q10 = q2_Q10; - psSS[ 1 ].Q_Q10 = q1_Q10; - } - - /* Update states for best quantization */ - - /* Quantized excitation */ - exc_Q14 = silk_LSHIFT32( psSS[ 0 ].Q_Q10, 4 ); - if ( psDD->Seed < 0 ) { - exc_Q14 = -exc_Q14; - } - - /* Add predictions */ - LPC_exc_Q14 = silk_ADD32( exc_Q14, LTP_pred_Q14 ); - xq_Q14 = silk_ADD32( LPC_exc_Q14, LPC_pred_Q14 ); - - /* Update states */ - sLF_AR_shp_Q14 = silk_SUB32( xq_Q14, n_AR_Q14 ); - psSS[ 0 ].sLTP_shp_Q14 = silk_SUB32( sLF_AR_shp_Q14, n_LF_Q14 ); - psSS[ 0 ].LF_AR_Q14 = sLF_AR_shp_Q14; - psSS[ 0 ].LPC_exc_Q14 = LPC_exc_Q14; - psSS[ 0 ].xq_Q14 = xq_Q14; - - /* Update states for second best quantization */ - - /* Quantized excitation */ - exc_Q14 = silk_LSHIFT32( psSS[ 1 ].Q_Q10, 4 ); - if ( psDD->Seed < 0 ) { - exc_Q14 = -exc_Q14; - } - - - /* Add predictions */ - LPC_exc_Q14 = silk_ADD32( exc_Q14, LTP_pred_Q14 ); - xq_Q14 = silk_ADD32( LPC_exc_Q14, LPC_pred_Q14 ); - - /* Update states */ - sLF_AR_shp_Q14 = silk_SUB32( xq_Q14, n_AR_Q14 ); - psSS[ 1 ].sLTP_shp_Q14 = silk_SUB32( sLF_AR_shp_Q14, n_LF_Q14 ); - psSS[ 1 ].LF_AR_Q14 = sLF_AR_shp_Q14; - psSS[ 1 ].LPC_exc_Q14 = LPC_exc_Q14; - psSS[ 1 ].xq_Q14 = xq_Q14; - } - - *smpl_buf_idx = ( *smpl_buf_idx - 1 ) & DECISION_DELAY_MASK; /* Index to newest samples */ - last_smple_idx = ( *smpl_buf_idx + decisionDelay ) & DECISION_DELAY_MASK; /* Index to decisionDelay old samples */ - - /* Find winner */ - RDmin_Q10 = psSampleState[ 0 ][ 0 ].RD_Q10; - Winner_ind = 0; - for( k = 1; k < nStatesDelayedDecision; k++ ) { - if( psSampleState[ k ][ 0 ].RD_Q10 < RDmin_Q10 ) { - RDmin_Q10 = psSampleState[ k ][ 0 ].RD_Q10; - Winner_ind = k; - } - } - - /* Increase RD values of expired states */ - Winner_rand_state = psDelDec[ Winner_ind ].RandState[ last_smple_idx ]; - for( k = 0; k < nStatesDelayedDecision; k++ ) { - if( psDelDec[ k ].RandState[ last_smple_idx ] != Winner_rand_state ) { - psSampleState[ k ][ 0 ].RD_Q10 = silk_ADD32( psSampleState[ k ][ 0 ].RD_Q10, silk_int32_MAX >> 4 ); - psSampleState[ k ][ 1 ].RD_Q10 = silk_ADD32( psSampleState[ k ][ 1 ].RD_Q10, silk_int32_MAX >> 4 ); - silk_assert( psSampleState[ k ][ 0 ].RD_Q10 >= 0 ); - } - } - - /* Find worst in first set and best in second set */ - RDmax_Q10 = psSampleState[ 0 ][ 0 ].RD_Q10; - RDmin_Q10 = psSampleState[ 0 ][ 1 ].RD_Q10; - RDmax_ind = 0; - RDmin_ind = 0; - for( k = 1; k < nStatesDelayedDecision; k++ ) { - /* find worst in first set */ - if( psSampleState[ k ][ 0 ].RD_Q10 > RDmax_Q10 ) { - RDmax_Q10 = psSampleState[ k ][ 0 ].RD_Q10; - RDmax_ind = k; - } - /* find best in second set */ - if( psSampleState[ k ][ 1 ].RD_Q10 < RDmin_Q10 ) { - RDmin_Q10 = psSampleState[ k ][ 1 ].RD_Q10; - RDmin_ind = k; - } - } - - /* Replace a state if best from second set outperforms worst in first set */ - if( RDmin_Q10 < RDmax_Q10 ) { - silk_memcpy( ( (opus_int32 *)&psDelDec[ RDmax_ind ] ) + i, - ( (opus_int32 *)&psDelDec[ RDmin_ind ] ) + i, sizeof( NSQ_del_dec_struct ) - i * sizeof( opus_int32) ); - silk_memcpy( &psSampleState[ RDmax_ind ][ 0 ], &psSampleState[ RDmin_ind ][ 1 ], sizeof( NSQ_sample_struct ) ); - } - - /* Write samples from winner to output and long-term filter states */ - psDD = &psDelDec[ Winner_ind ]; - if( subfr > 0 || i >= decisionDelay ) { - pulses[ i - decisionDelay ] = (opus_int8)silk_RSHIFT_ROUND( psDD->Q_Q10[ last_smple_idx ], 10 ); - xq[ i - decisionDelay ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( - silk_SMULWW( psDD->Xq_Q14[ last_smple_idx ], delayedGain_Q10[ last_smple_idx ] ), 8 ) ); - NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - decisionDelay ] = psDD->Shape_Q14[ last_smple_idx ]; - sLTP_Q15[ NSQ->sLTP_buf_idx - decisionDelay ] = psDD->Pred_Q15[ last_smple_idx ]; - } - NSQ->sLTP_shp_buf_idx++; - NSQ->sLTP_buf_idx++; - - /* Update states */ - for( k = 0; k < nStatesDelayedDecision; k++ ) { - psDD = &psDelDec[ k ]; - psSS = &psSampleState[ k ][ 0 ]; - psDD->LF_AR_Q14 = psSS->LF_AR_Q14; - psDD->sLPC_Q14[ NSQ_LPC_BUF_LENGTH + i ] = psSS->xq_Q14; - psDD->Xq_Q14[ *smpl_buf_idx ] = psSS->xq_Q14; - psDD->Q_Q10[ *smpl_buf_idx ] = psSS->Q_Q10; - psDD->Pred_Q15[ *smpl_buf_idx ] = silk_LSHIFT32( psSS->LPC_exc_Q14, 1 ); - psDD->Shape_Q14[ *smpl_buf_idx ] = psSS->sLTP_shp_Q14; - psDD->Seed = silk_ADD32_ovflw( psDD->Seed, silk_RSHIFT_ROUND( psSS->Q_Q10, 10 ) ); - psDD->RandState[ *smpl_buf_idx ] = psDD->Seed; - psDD->RD_Q10 = psSS->RD_Q10; - } - delayedGain_Q10[ *smpl_buf_idx ] = Gain_Q10; - } - /* Update LPC states */ - for( k = 0; k < nStatesDelayedDecision; k++ ) { - psDD = &psDelDec[ k ]; - silk_memcpy( psDD->sLPC_Q14, &psDD->sLPC_Q14[ length ], NSQ_LPC_BUF_LENGTH * sizeof( opus_int32 ) ); - } - RESTORE_STACK; -} - -static OPUS_INLINE void silk_nsq_del_dec_scale_states( - const silk_encoder_state *psEncC, /* I Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - NSQ_del_dec_struct psDelDec[], /* I/O Delayed decision states */ - const opus_int32 x_Q3[], /* I Input in Q3 */ - opus_int32 x_sc_Q10[], /* O Input scaled with 1/Gain in Q10 */ - const opus_int16 sLTP[], /* I Re-whitened LTP state in Q0 */ - opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ - opus_int subfr, /* I Subframe number */ - opus_int nStatesDelayedDecision, /* I Number of del dec states */ - const opus_int LTP_scale_Q14, /* I LTP state scaling */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ - const opus_int signal_type, /* I Signal type */ - const opus_int decisionDelay /* I Decision delay */ -) -{ - opus_int i, k, lag; - opus_int32 gain_adj_Q16, inv_gain_Q31, inv_gain_Q23; - NSQ_del_dec_struct *psDD; - - lag = pitchL[ subfr ]; - inv_gain_Q31 = silk_INVERSE32_varQ( silk_max( Gains_Q16[ subfr ], 1 ), 47 ); - silk_assert( inv_gain_Q31 != 0 ); - - /* Calculate gain adjustment factor */ - if( Gains_Q16[ subfr ] != NSQ->prev_gain_Q16 ) { - gain_adj_Q16 = silk_DIV32_varQ( NSQ->prev_gain_Q16, Gains_Q16[ subfr ], 16 ); - } else { - gain_adj_Q16 = (opus_int32)1 << 16; - } - - /* Scale input */ - inv_gain_Q23 = silk_RSHIFT_ROUND( inv_gain_Q31, 8 ); - for( i = 0; i < psEncC->subfr_length; i++ ) { - x_sc_Q10[ i ] = silk_SMULWW( x_Q3[ i ], inv_gain_Q23 ); - } - - /* Save inverse gain */ - NSQ->prev_gain_Q16 = Gains_Q16[ subfr ]; - - /* After rewhitening the LTP state is un-scaled, so scale with inv_gain_Q16 */ - if( NSQ->rewhite_flag ) { - if( subfr == 0 ) { - /* Do LTP downscaling */ - inv_gain_Q31 = silk_LSHIFT( silk_SMULWB( inv_gain_Q31, LTP_scale_Q14 ), 2 ); - } - for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) { - silk_assert( i < MAX_FRAME_LENGTH ); - sLTP_Q15[ i ] = silk_SMULWB( inv_gain_Q31, sLTP[ i ] ); - } - } - - /* Adjust for changing gain */ - if( gain_adj_Q16 != (opus_int32)1 << 16 ) { - /* Scale long-term shaping state */ - for( i = NSQ->sLTP_shp_buf_idx - psEncC->ltp_mem_length; i < NSQ->sLTP_shp_buf_idx; i++ ) { - NSQ->sLTP_shp_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q14[ i ] ); - } - - /* Scale long-term prediction state */ - if( signal_type == TYPE_VOICED && NSQ->rewhite_flag == 0 ) { - for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx - decisionDelay; i++ ) { - sLTP_Q15[ i ] = silk_SMULWW( gain_adj_Q16, sLTP_Q15[ i ] ); - } - } - - for( k = 0; k < nStatesDelayedDecision; k++ ) { - psDD = &psDelDec[ k ]; - - /* Scale scalar states */ - psDD->LF_AR_Q14 = silk_SMULWW( gain_adj_Q16, psDD->LF_AR_Q14 ); - - /* Scale short-term prediction and shaping states */ - for( i = 0; i < NSQ_LPC_BUF_LENGTH; i++ ) { - psDD->sLPC_Q14[ i ] = silk_SMULWW( gain_adj_Q16, psDD->sLPC_Q14[ i ] ); - } - for( i = 0; i < MAX_SHAPE_LPC_ORDER; i++ ) { - psDD->sAR2_Q14[ i ] = silk_SMULWW( gain_adj_Q16, psDD->sAR2_Q14[ i ] ); - } - for( i = 0; i < DECISION_DELAY; i++ ) { - psDD->Pred_Q15[ i ] = silk_SMULWW( gain_adj_Q16, psDD->Pred_Q15[ i ] ); - psDD->Shape_Q14[ i ] = silk_SMULWW( gain_adj_Q16, psDD->Shape_Q14[ i ] ); - } - } - } -} diff --git a/src/opus-1.1/silk/PLC.c b/src/opus-1.1/silk/PLC.c deleted file mode 100644 index 01f40014..00000000 --- a/src/opus-1.1/silk/PLC.c +++ /dev/null @@ -1,423 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" -#include "PLC.h" - -#define NB_ATT 2 -static const opus_int16 HARM_ATT_Q15[NB_ATT] = { 32440, 31130 }; /* 0.99, 0.95 */ -static const opus_int16 PLC_RAND_ATTENUATE_V_Q15[NB_ATT] = { 31130, 26214 }; /* 0.95, 0.8 */ -static const opus_int16 PLC_RAND_ATTENUATE_UV_Q15[NB_ATT] = { 32440, 29491 }; /* 0.99, 0.9 */ - -static OPUS_INLINE void silk_PLC_update( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl /* I/O Decoder control */ -); - -static OPUS_INLINE void silk_PLC_conceal( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[] /* O LPC residual signal */ -); - - -void silk_PLC_Reset( - silk_decoder_state *psDec /* I/O Decoder state */ -) -{ - psDec->sPLC.pitchL_Q8 = silk_LSHIFT( psDec->frame_length, 8 - 1 ); - psDec->sPLC.prevGain_Q16[ 0 ] = SILK_FIX_CONST( 1, 16 ); - psDec->sPLC.prevGain_Q16[ 1 ] = SILK_FIX_CONST( 1, 16 ); - psDec->sPLC.subfr_length = 20; - psDec->sPLC.nb_subfr = 2; -} - -void silk_PLC( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[], /* I/O signal */ - opus_int lost /* I Loss flag */ -) -{ - /* PLC control function */ - if( psDec->fs_kHz != psDec->sPLC.fs_kHz ) { - silk_PLC_Reset( psDec ); - psDec->sPLC.fs_kHz = psDec->fs_kHz; - } - - if( lost ) { - /****************************/ - /* Generate Signal */ - /****************************/ - silk_PLC_conceal( psDec, psDecCtrl, frame ); - - psDec->lossCnt++; - } else { - /****************************/ - /* Update state */ - /****************************/ - silk_PLC_update( psDec, psDecCtrl ); - } -} - -/**************************************************/ -/* Update state of PLC */ -/**************************************************/ -static OPUS_INLINE void silk_PLC_update( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl /* I/O Decoder control */ -) -{ - opus_int32 LTP_Gain_Q14, temp_LTP_Gain_Q14; - opus_int i, j; - silk_PLC_struct *psPLC; - - psPLC = &psDec->sPLC; - - /* Update parameters used in case of packet loss */ - psDec->prevSignalType = psDec->indices.signalType; - LTP_Gain_Q14 = 0; - if( psDec->indices.signalType == TYPE_VOICED ) { - /* Find the parameters for the last subframe which contains a pitch pulse */ - for( j = 0; j * psDec->subfr_length < psDecCtrl->pitchL[ psDec->nb_subfr - 1 ]; j++ ) { - if( j == psDec->nb_subfr ) { - break; - } - temp_LTP_Gain_Q14 = 0; - for( i = 0; i < LTP_ORDER; i++ ) { - temp_LTP_Gain_Q14 += psDecCtrl->LTPCoef_Q14[ ( psDec->nb_subfr - 1 - j ) * LTP_ORDER + i ]; - } - if( temp_LTP_Gain_Q14 > LTP_Gain_Q14 ) { - LTP_Gain_Q14 = temp_LTP_Gain_Q14; - silk_memcpy( psPLC->LTPCoef_Q14, - &psDecCtrl->LTPCoef_Q14[ silk_SMULBB( psDec->nb_subfr - 1 - j, LTP_ORDER ) ], - LTP_ORDER * sizeof( opus_int16 ) ); - - psPLC->pitchL_Q8 = silk_LSHIFT( psDecCtrl->pitchL[ psDec->nb_subfr - 1 - j ], 8 ); - } - } - - silk_memset( psPLC->LTPCoef_Q14, 0, LTP_ORDER * sizeof( opus_int16 ) ); - psPLC->LTPCoef_Q14[ LTP_ORDER / 2 ] = LTP_Gain_Q14; - - /* Limit LT coefs */ - if( LTP_Gain_Q14 < V_PITCH_GAIN_START_MIN_Q14 ) { - opus_int scale_Q10; - opus_int32 tmp; - - tmp = silk_LSHIFT( V_PITCH_GAIN_START_MIN_Q14, 10 ); - scale_Q10 = silk_DIV32( tmp, silk_max( LTP_Gain_Q14, 1 ) ); - for( i = 0; i < LTP_ORDER; i++ ) { - psPLC->LTPCoef_Q14[ i ] = silk_RSHIFT( silk_SMULBB( psPLC->LTPCoef_Q14[ i ], scale_Q10 ), 10 ); - } - } else if( LTP_Gain_Q14 > V_PITCH_GAIN_START_MAX_Q14 ) { - opus_int scale_Q14; - opus_int32 tmp; - - tmp = silk_LSHIFT( V_PITCH_GAIN_START_MAX_Q14, 14 ); - scale_Q14 = silk_DIV32( tmp, silk_max( LTP_Gain_Q14, 1 ) ); - for( i = 0; i < LTP_ORDER; i++ ) { - psPLC->LTPCoef_Q14[ i ] = silk_RSHIFT( silk_SMULBB( psPLC->LTPCoef_Q14[ i ], scale_Q14 ), 14 ); - } - } - } else { - psPLC->pitchL_Q8 = silk_LSHIFT( silk_SMULBB( psDec->fs_kHz, 18 ), 8 ); - silk_memset( psPLC->LTPCoef_Q14, 0, LTP_ORDER * sizeof( opus_int16 )); - } - - /* Save LPC coeficients */ - silk_memcpy( psPLC->prevLPC_Q12, psDecCtrl->PredCoef_Q12[ 1 ], psDec->LPC_order * sizeof( opus_int16 ) ); - psPLC->prevLTP_scale_Q14 = psDecCtrl->LTP_scale_Q14; - - /* Save last two gains */ - silk_memcpy( psPLC->prevGain_Q16, &psDecCtrl->Gains_Q16[ psDec->nb_subfr - 2 ], 2 * sizeof( opus_int32 ) ); - - psPLC->subfr_length = psDec->subfr_length; - psPLC->nb_subfr = psDec->nb_subfr; -} - -static OPUS_INLINE void silk_PLC_conceal( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[] /* O LPC residual signal */ -) -{ - opus_int i, j, k; - opus_int lag, idx, sLTP_buf_idx, shift1, shift2; - opus_int32 rand_seed, harm_Gain_Q15, rand_Gain_Q15, inv_gain_Q30; - opus_int32 energy1, energy2, *rand_ptr, *pred_lag_ptr; - opus_int32 LPC_pred_Q10, LTP_pred_Q12; - opus_int16 rand_scale_Q14; - opus_int16 *B_Q14, *exc_buf_ptr; - opus_int32 *sLPC_Q14_ptr; - VARDECL( opus_int16, exc_buf ); - opus_int16 A_Q12[ MAX_LPC_ORDER ]; - VARDECL( opus_int16, sLTP ); - VARDECL( opus_int32, sLTP_Q14 ); - silk_PLC_struct *psPLC = &psDec->sPLC; - opus_int32 prevGain_Q10[2]; - SAVE_STACK; - - ALLOC( exc_buf, 2*psPLC->subfr_length, opus_int16 ); - ALLOC( sLTP, psDec->ltp_mem_length, opus_int16 ); - ALLOC( sLTP_Q14, psDec->ltp_mem_length + psDec->frame_length, opus_int32 ); - - prevGain_Q10[0] = silk_RSHIFT( psPLC->prevGain_Q16[ 0 ], 6); - prevGain_Q10[1] = silk_RSHIFT( psPLC->prevGain_Q16[ 1 ], 6); - - if( psDec->first_frame_after_reset ) { - silk_memset( psPLC->prevLPC_Q12, 0, sizeof( psPLC->prevLPC_Q12 ) ); - } - - /* Find random noise component */ - /* Scale previous excitation signal */ - exc_buf_ptr = exc_buf; - for( k = 0; k < 2; k++ ) { - for( i = 0; i < psPLC->subfr_length; i++ ) { - exc_buf_ptr[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT( - silk_SMULWW( psDec->exc_Q14[ i + ( k + psPLC->nb_subfr - 2 ) * psPLC->subfr_length ], prevGain_Q10[ k ] ), 8 ) ); - } - exc_buf_ptr += psPLC->subfr_length; - } - /* Find the subframe with lowest energy of the last two and use that as random noise generator */ - silk_sum_sqr_shift( &energy1, &shift1, exc_buf, psPLC->subfr_length ); - silk_sum_sqr_shift( &energy2, &shift2, &exc_buf[ psPLC->subfr_length ], psPLC->subfr_length ); - - if( silk_RSHIFT( energy1, shift2 ) < silk_RSHIFT( energy2, shift1 ) ) { - /* First sub-frame has lowest energy */ - rand_ptr = &psDec->exc_Q14[ silk_max_int( 0, ( psPLC->nb_subfr - 1 ) * psPLC->subfr_length - RAND_BUF_SIZE ) ]; - } else { - /* Second sub-frame has lowest energy */ - rand_ptr = &psDec->exc_Q14[ silk_max_int( 0, psPLC->nb_subfr * psPLC->subfr_length - RAND_BUF_SIZE ) ]; - } - - /* Set up Gain to random noise component */ - B_Q14 = psPLC->LTPCoef_Q14; - rand_scale_Q14 = psPLC->randScale_Q14; - - /* Set up attenuation gains */ - harm_Gain_Q15 = HARM_ATT_Q15[ silk_min_int( NB_ATT - 1, psDec->lossCnt ) ]; - if( psDec->prevSignalType == TYPE_VOICED ) { - rand_Gain_Q15 = PLC_RAND_ATTENUATE_V_Q15[ silk_min_int( NB_ATT - 1, psDec->lossCnt ) ]; - } else { - rand_Gain_Q15 = PLC_RAND_ATTENUATE_UV_Q15[ silk_min_int( NB_ATT - 1, psDec->lossCnt ) ]; - } - - /* LPC concealment. Apply BWE to previous LPC */ - silk_bwexpander( psPLC->prevLPC_Q12, psDec->LPC_order, SILK_FIX_CONST( BWE_COEF, 16 ) ); - - /* Preload LPC coeficients to array on stack. Gives small performance gain */ - silk_memcpy( A_Q12, psPLC->prevLPC_Q12, psDec->LPC_order * sizeof( opus_int16 ) ); - - /* First Lost frame */ - if( psDec->lossCnt == 0 ) { - rand_scale_Q14 = 1 << 14; - - /* Reduce random noise Gain for voiced frames */ - if( psDec->prevSignalType == TYPE_VOICED ) { - for( i = 0; i < LTP_ORDER; i++ ) { - rand_scale_Q14 -= B_Q14[ i ]; - } - rand_scale_Q14 = silk_max_16( 3277, rand_scale_Q14 ); /* 0.2 */ - rand_scale_Q14 = (opus_int16)silk_RSHIFT( silk_SMULBB( rand_scale_Q14, psPLC->prevLTP_scale_Q14 ), 14 ); - } else { - /* Reduce random noise for unvoiced frames with high LPC gain */ - opus_int32 invGain_Q30, down_scale_Q30; - - invGain_Q30 = silk_LPC_inverse_pred_gain( psPLC->prevLPC_Q12, psDec->LPC_order ); - - down_scale_Q30 = silk_min_32( silk_RSHIFT( (opus_int32)1 << 30, LOG2_INV_LPC_GAIN_HIGH_THRES ), invGain_Q30 ); - down_scale_Q30 = silk_max_32( silk_RSHIFT( (opus_int32)1 << 30, LOG2_INV_LPC_GAIN_LOW_THRES ), down_scale_Q30 ); - down_scale_Q30 = silk_LSHIFT( down_scale_Q30, LOG2_INV_LPC_GAIN_HIGH_THRES ); - - rand_Gain_Q15 = silk_RSHIFT( silk_SMULWB( down_scale_Q30, rand_Gain_Q15 ), 14 ); - } - } - - rand_seed = psPLC->rand_seed; - lag = silk_RSHIFT_ROUND( psPLC->pitchL_Q8, 8 ); - sLTP_buf_idx = psDec->ltp_mem_length; - - /* Rewhiten LTP state */ - idx = psDec->ltp_mem_length - lag - psDec->LPC_order - LTP_ORDER / 2; - silk_assert( idx > 0 ); - silk_LPC_analysis_filter( &sLTP[ idx ], &psDec->outBuf[ idx ], A_Q12, psDec->ltp_mem_length - idx, psDec->LPC_order ); - /* Scale LTP state */ - inv_gain_Q30 = silk_INVERSE32_varQ( psPLC->prevGain_Q16[ 1 ], 46 ); - inv_gain_Q30 = silk_min( inv_gain_Q30, silk_int32_MAX >> 1 ); - for( i = idx + psDec->LPC_order; i < psDec->ltp_mem_length; i++ ) { - sLTP_Q14[ i ] = silk_SMULWB( inv_gain_Q30, sLTP[ i ] ); - } - - /***************************/ - /* LTP synthesis filtering */ - /***************************/ - for( k = 0; k < psDec->nb_subfr; k++ ) { - /* Set up pointer */ - pred_lag_ptr = &sLTP_Q14[ sLTP_buf_idx - lag + LTP_ORDER / 2 ]; - for( i = 0; i < psDec->subfr_length; i++ ) { - /* Unrolled loop */ - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LTP_pred_Q12 = 2; - LTP_pred_Q12 = silk_SMLAWB( LTP_pred_Q12, pred_lag_ptr[ 0 ], B_Q14[ 0 ] ); - LTP_pred_Q12 = silk_SMLAWB( LTP_pred_Q12, pred_lag_ptr[ -1 ], B_Q14[ 1 ] ); - LTP_pred_Q12 = silk_SMLAWB( LTP_pred_Q12, pred_lag_ptr[ -2 ], B_Q14[ 2 ] ); - LTP_pred_Q12 = silk_SMLAWB( LTP_pred_Q12, pred_lag_ptr[ -3 ], B_Q14[ 3 ] ); - LTP_pred_Q12 = silk_SMLAWB( LTP_pred_Q12, pred_lag_ptr[ -4 ], B_Q14[ 4 ] ); - pred_lag_ptr++; - - /* Generate LPC excitation */ - rand_seed = silk_RAND( rand_seed ); - idx = silk_RSHIFT( rand_seed, 25 ) & RAND_BUF_MASK; - sLTP_Q14[ sLTP_buf_idx ] = silk_LSHIFT32( silk_SMLAWB( LTP_pred_Q12, rand_ptr[ idx ], rand_scale_Q14 ), 2 ); - sLTP_buf_idx++; - } - - /* Gradually reduce LTP gain */ - for( j = 0; j < LTP_ORDER; j++ ) { - B_Q14[ j ] = silk_RSHIFT( silk_SMULBB( harm_Gain_Q15, B_Q14[ j ] ), 15 ); - } - /* Gradually reduce excitation gain */ - rand_scale_Q14 = silk_RSHIFT( silk_SMULBB( rand_scale_Q14, rand_Gain_Q15 ), 15 ); - - /* Slowly increase pitch lag */ - psPLC->pitchL_Q8 = silk_SMLAWB( psPLC->pitchL_Q8, psPLC->pitchL_Q8, PITCH_DRIFT_FAC_Q16 ); - psPLC->pitchL_Q8 = silk_min_32( psPLC->pitchL_Q8, silk_LSHIFT( silk_SMULBB( MAX_PITCH_LAG_MS, psDec->fs_kHz ), 8 ) ); - lag = silk_RSHIFT_ROUND( psPLC->pitchL_Q8, 8 ); - } - - /***************************/ - /* LPC synthesis filtering */ - /***************************/ - sLPC_Q14_ptr = &sLTP_Q14[ psDec->ltp_mem_length - MAX_LPC_ORDER ]; - - /* Copy LPC state */ - silk_memcpy( sLPC_Q14_ptr, psDec->sLPC_Q14_buf, MAX_LPC_ORDER * sizeof( opus_int32 ) ); - - silk_assert( psDec->LPC_order >= 10 ); /* check that unrolling works */ - for( i = 0; i < psDec->frame_length; i++ ) { - /* partly unrolled */ - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LPC_pred_Q10 = silk_RSHIFT( psDec->LPC_order, 1 ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 1 ], A_Q12[ 0 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 2 ], A_Q12[ 1 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 3 ], A_Q12[ 2 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 4 ], A_Q12[ 3 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 5 ], A_Q12[ 4 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 6 ], A_Q12[ 5 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 7 ], A_Q12[ 6 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 8 ], A_Q12[ 7 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 9 ], A_Q12[ 8 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - 10 ], A_Q12[ 9 ] ); - for( j = 10; j < psDec->LPC_order; j++ ) { - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14_ptr[ MAX_LPC_ORDER + i - j - 1 ], A_Q12[ j ] ); - } - - /* Add prediction to LPC excitation */ - sLPC_Q14_ptr[ MAX_LPC_ORDER + i ] = silk_ADD_LSHIFT32( sLPC_Q14_ptr[ MAX_LPC_ORDER + i ], LPC_pred_Q10, 4 ); - - /* Scale with Gain */ - frame[ i ] = (opus_int16)silk_SAT16( silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( sLPC_Q14_ptr[ MAX_LPC_ORDER + i ], prevGain_Q10[ 1 ] ), 8 ) ) ); - } - - /* Save LPC state */ - silk_memcpy( psDec->sLPC_Q14_buf, &sLPC_Q14_ptr[ psDec->frame_length ], MAX_LPC_ORDER * sizeof( opus_int32 ) ); - - /**************************************/ - /* Update states */ - /**************************************/ - psPLC->rand_seed = rand_seed; - psPLC->randScale_Q14 = rand_scale_Q14; - for( i = 0; i < MAX_NB_SUBFR; i++ ) { - psDecCtrl->pitchL[ i ] = lag; - } - RESTORE_STACK; -} - -/* Glues concealed frames with new good received frames */ -void silk_PLC_glue_frames( - silk_decoder_state *psDec, /* I/O decoder state */ - opus_int16 frame[], /* I/O signal */ - opus_int length /* I length of signal */ -) -{ - opus_int i, energy_shift; - opus_int32 energy; - silk_PLC_struct *psPLC; - psPLC = &psDec->sPLC; - - if( psDec->lossCnt ) { - /* Calculate energy in concealed residual */ - silk_sum_sqr_shift( &psPLC->conc_energy, &psPLC->conc_energy_shift, frame, length ); - - psPLC->last_frame_lost = 1; - } else { - if( psDec->sPLC.last_frame_lost ) { - /* Calculate residual in decoded signal if last frame was lost */ - silk_sum_sqr_shift( &energy, &energy_shift, frame, length ); - - /* Normalize energies */ - if( energy_shift > psPLC->conc_energy_shift ) { - psPLC->conc_energy = silk_RSHIFT( psPLC->conc_energy, energy_shift - psPLC->conc_energy_shift ); - } else if( energy_shift < psPLC->conc_energy_shift ) { - energy = silk_RSHIFT( energy, psPLC->conc_energy_shift - energy_shift ); - } - - /* Fade in the energy difference */ - if( energy > psPLC->conc_energy ) { - opus_int32 frac_Q24, LZ; - opus_int32 gain_Q16, slope_Q16; - - LZ = silk_CLZ32( psPLC->conc_energy ); - LZ = LZ - 1; - psPLC->conc_energy = silk_LSHIFT( psPLC->conc_energy, LZ ); - energy = silk_RSHIFT( energy, silk_max_32( 24 - LZ, 0 ) ); - - frac_Q24 = silk_DIV32( psPLC->conc_energy, silk_max( energy, 1 ) ); - - gain_Q16 = silk_LSHIFT( silk_SQRT_APPROX( frac_Q24 ), 4 ); - slope_Q16 = silk_DIV32_16( ( (opus_int32)1 << 16 ) - gain_Q16, length ); - /* Make slope 4x steeper to avoid missing onsets after DTX */ - slope_Q16 = silk_LSHIFT( slope_Q16, 2 ); - - for( i = 0; i < length; i++ ) { - frame[ i ] = silk_SMULWB( gain_Q16, frame[ i ] ); - gain_Q16 += slope_Q16; - if( gain_Q16 > (opus_int32)1 << 16 ) { - break; - } - } - } - } - psPLC->last_frame_lost = 0; - } -} diff --git a/src/opus-1.1/silk/PLC.h b/src/opus-1.1/silk/PLC.h deleted file mode 100644 index f1e2eccc..00000000 --- a/src/opus-1.1/silk/PLC.h +++ /dev/null @@ -1,61 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_PLC_H -#define SILK_PLC_H - -#include "main.h" - -#define BWE_COEF 0.99 -#define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */ -#define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */ -#define MAX_PITCH_LAG_MS 18 -#define RAND_BUF_SIZE 128 -#define RAND_BUF_MASK ( RAND_BUF_SIZE - 1 ) -#define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */ -#define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */ -#define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */ - -void silk_PLC_Reset( - silk_decoder_state *psDec /* I/O Decoder state */ -); - -void silk_PLC( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[], /* I/O signal */ - opus_int lost /* I Loss flag */ -); - -void silk_PLC_glue_frames( - silk_decoder_state *psDec, /* I/O decoder state */ - opus_int16 frame[], /* I/O signal */ - opus_int length /* I length of signal */ -); - -#endif - diff --git a/src/opus-1.1/silk/SigProc_FIX.h b/src/opus-1.1/silk/SigProc_FIX.h deleted file mode 100644 index 1b580579..00000000 --- a/src/opus-1.1/silk/SigProc_FIX.h +++ /dev/null @@ -1,594 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_SIGPROC_FIX_H -#define SILK_SIGPROC_FIX_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -/*#define silk_MACRO_COUNT */ /* Used to enable WMOPS counting */ - -#define SILK_MAX_ORDER_LPC 16 /* max order of the LPC analysis in schur() and k2a() */ - -#include <string.h> /* for memset(), memcpy(), memmove() */ -#include "typedef.h" -#include "resampler_structs.h" -#include "macros.h" - - -/********************************************************************/ -/* SIGNAL PROCESSING FUNCTIONS */ -/********************************************************************/ - -/*! - * Initialize/reset the resampler state for a given pair of input/output sampling rates -*/ -opus_int silk_resampler_init( - silk_resampler_state_struct *S, /* I/O Resampler state */ - opus_int32 Fs_Hz_in, /* I Input sampling rate (Hz) */ - opus_int32 Fs_Hz_out, /* I Output sampling rate (Hz) */ - opus_int forEnc /* I If 1: encoder; if 0: decoder */ -); - -/*! - * Resampler: convert from one sampling rate to another - */ -opus_int silk_resampler( - silk_resampler_state_struct *S, /* I/O Resampler state */ - opus_int16 out[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - opus_int32 inLen /* I Number of input samples */ -); - -/*! -* Downsample 2x, mediocre quality -*/ -void silk_resampler_down2( - opus_int32 *S, /* I/O State vector [ 2 ] */ - opus_int16 *out, /* O Output signal [ len ] */ - const opus_int16 *in, /* I Input signal [ floor(len/2) ] */ - opus_int32 inLen /* I Number of input samples */ -); - -/*! - * Downsample by a factor 2/3, low quality -*/ -void silk_resampler_down2_3( - opus_int32 *S, /* I/O State vector [ 6 ] */ - opus_int16 *out, /* O Output signal [ floor(2*inLen/3) ] */ - const opus_int16 *in, /* I Input signal [ inLen ] */ - opus_int32 inLen /* I Number of input samples */ -); - -/*! - * second order ARMA filter; - * slower than biquad() but uses more precise coefficients - * can handle (slowly) varying coefficients - */ -void silk_biquad_alt( - const opus_int16 *in, /* I input signal */ - const opus_int32 *B_Q28, /* I MA coefficients [3] */ - const opus_int32 *A_Q28, /* I AR coefficients [2] */ - opus_int32 *S, /* I/O State vector [2] */ - opus_int16 *out, /* O output signal */ - const opus_int32 len, /* I signal length (must be even) */ - opus_int stride /* I Operate on interleaved signal if > 1 */ -); - -/* Variable order MA prediction error filter. */ -void silk_LPC_analysis_filter( - opus_int16 *out, /* O Output signal */ - const opus_int16 *in, /* I Input signal */ - const opus_int16 *B, /* I MA prediction coefficients, Q12 [order] */ - const opus_int32 len, /* I Signal length */ - const opus_int32 d /* I Filter order */ -); - -/* Chirp (bandwidth expand) LP AR filter */ -void silk_bwexpander( - opus_int16 *ar, /* I/O AR filter to be expanded (without leading 1) */ - const opus_int d, /* I Length of ar */ - opus_int32 chirp_Q16 /* I Chirp factor (typically in the range 0 to 1) */ -); - -/* Chirp (bandwidth expand) LP AR filter */ -void silk_bwexpander_32( - opus_int32 *ar, /* I/O AR filter to be expanded (without leading 1) */ - const opus_int d, /* I Length of ar */ - opus_int32 chirp_Q16 /* I Chirp factor in Q16 */ -); - -/* Compute inverse of LPC prediction gain, and */ -/* test if LPC coefficients are stable (all poles within unit circle) */ -opus_int32 silk_LPC_inverse_pred_gain( /* O Returns inverse prediction gain in energy domain, Q30 */ - const opus_int16 *A_Q12, /* I Prediction coefficients, Q12 [order] */ - const opus_int order /* I Prediction order */ -); - -/* For input in Q24 domain */ -opus_int32 silk_LPC_inverse_pred_gain_Q24( /* O Returns inverse prediction gain in energy domain, Q30 */ - const opus_int32 *A_Q24, /* I Prediction coefficients [order] */ - const opus_int order /* I Prediction order */ -); - -/* Split signal in two decimated bands using first-order allpass filters */ -void silk_ana_filt_bank_1( - const opus_int16 *in, /* I Input signal [N] */ - opus_int32 *S, /* I/O State vector [2] */ - opus_int16 *outL, /* O Low band [N/2] */ - opus_int16 *outH, /* O High band [N/2] */ - const opus_int32 N /* I Number of input samples */ -); - -/********************************************************************/ -/* SCALAR FUNCTIONS */ -/********************************************************************/ - -/* Approximation of 128 * log2() (exact inverse of approx 2^() below) */ -/* Convert input to a log scale */ -opus_int32 silk_lin2log( - const opus_int32 inLin /* I input in linear scale */ -); - -/* Approximation of a sigmoid function */ -opus_int silk_sigm_Q15( - opus_int in_Q5 /* I */ -); - -/* Approximation of 2^() (exact inverse of approx log2() above) */ -/* Convert input to a linear scale */ -opus_int32 silk_log2lin( - const opus_int32 inLog_Q7 /* I input on log scale */ -); - -/* Compute number of bits to right shift the sum of squares of a vector */ -/* of int16s to make it fit in an int32 */ -void silk_sum_sqr_shift( - opus_int32 *energy, /* O Energy of x, after shifting to the right */ - opus_int *shift, /* O Number of bits right shift applied to energy */ - const opus_int16 *x, /* I Input vector */ - opus_int len /* I Length of input vector */ -); - -/* Calculates the reflection coefficients from the correlation sequence */ -/* Faster than schur64(), but much less accurate. */ -/* uses SMLAWB(), requiring armv5E and higher. */ -opus_int32 silk_schur( /* O Returns residual energy */ - opus_int16 *rc_Q15, /* O reflection coefficients [order] Q15 */ - const opus_int32 *c, /* I correlations [order+1] */ - const opus_int32 order /* I prediction order */ -); - -/* Calculates the reflection coefficients from the correlation sequence */ -/* Slower than schur(), but more accurate. */ -/* Uses SMULL(), available on armv4 */ -opus_int32 silk_schur64( /* O returns residual energy */ - opus_int32 rc_Q16[], /* O Reflection coefficients [order] Q16 */ - const opus_int32 c[], /* I Correlations [order+1] */ - opus_int32 order /* I Prediction order */ -); - -/* Step up function, converts reflection coefficients to prediction coefficients */ -void silk_k2a( - opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */ - const opus_int16 *rc_Q15, /* I Reflection coefficients [order] Q15 */ - const opus_int32 order /* I Prediction order */ -); - -/* Step up function, converts reflection coefficients to prediction coefficients */ -void silk_k2a_Q16( - opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */ - const opus_int32 *rc_Q16, /* I Reflection coefficients [order] Q16 */ - const opus_int32 order /* I Prediction order */ -); - -/* Apply sine window to signal vector. */ -/* Window types: */ -/* 1 -> sine window from 0 to pi/2 */ -/* 2 -> sine window from pi/2 to pi */ -/* every other sample of window is linearly interpolated, for speed */ -void silk_apply_sine_window( - opus_int16 px_win[], /* O Pointer to windowed signal */ - const opus_int16 px[], /* I Pointer to input signal */ - const opus_int win_type, /* I Selects a window type */ - const opus_int length /* I Window length, multiple of 4 */ -); - -/* Compute autocorrelation */ -void silk_autocorr( - opus_int32 *results, /* O Result (length correlationCount) */ - opus_int *scale, /* O Scaling of the correlation vector */ - const opus_int16 *inputData, /* I Input data to correlate */ - const opus_int inputDataSize, /* I Length of input */ - const opus_int correlationCount, /* I Number of correlation taps to compute */ - int arch /* I Run-time architecture */ -); - -void silk_decode_pitch( - opus_int16 lagIndex, /* I */ - opus_int8 contourIndex, /* O */ - opus_int pitch_lags[], /* O 4 pitch values */ - const opus_int Fs_kHz, /* I sampling frequency (kHz) */ - const opus_int nb_subfr /* I number of sub frames */ -); - -opus_int silk_pitch_analysis_core( /* O Voicing estimate: 0 voiced, 1 unvoiced */ - const opus_int16 *frame, /* I Signal of length PE_FRAME_LENGTH_MS*Fs_kHz */ - opus_int *pitch_out, /* O 4 pitch lag values */ - opus_int16 *lagIndex, /* O Lag Index */ - opus_int8 *contourIndex, /* O Pitch contour Index */ - opus_int *LTPCorr_Q15, /* I/O Normalized correlation; input: value from previous frame */ - opus_int prevLag, /* I Last lag of previous frame; set to zero is unvoiced */ - const opus_int32 search_thres1_Q16, /* I First stage threshold for lag candidates 0 - 1 */ - const opus_int search_thres2_Q13, /* I Final threshold for lag candidates 0 - 1 */ - const opus_int Fs_kHz, /* I Sample frequency (kHz) */ - const opus_int complexity, /* I Complexity setting, 0-2, where 2 is highest */ - const opus_int nb_subfr, /* I number of 5 ms subframes */ - int arch /* I Run-time architecture */ -); - -/* Compute Normalized Line Spectral Frequencies (NLSFs) from whitening filter coefficients */ -/* If not all roots are found, the a_Q16 coefficients are bandwidth expanded until convergence. */ -void silk_A2NLSF( - opus_int16 *NLSF, /* O Normalized Line Spectral Frequencies in Q15 (0..2^15-1) [d] */ - opus_int32 *a_Q16, /* I/O Monic whitening filter coefficients in Q16 [d] */ - const opus_int d /* I Filter order (must be even) */ -); - -/* compute whitening filter coefficients from normalized line spectral frequencies */ -void silk_NLSF2A( - opus_int16 *a_Q12, /* O monic whitening filter coefficients in Q12, [ d ] */ - const opus_int16 *NLSF, /* I normalized line spectral frequencies in Q15, [ d ] */ - const opus_int d /* I filter order (should be even) */ -); - -void silk_insertion_sort_increasing( - opus_int32 *a, /* I/O Unsorted / Sorted vector */ - opus_int *idx, /* O Index vector for the sorted elements */ - const opus_int L, /* I Vector length */ - const opus_int K /* I Number of correctly sorted positions */ -); - -void silk_insertion_sort_decreasing_int16( - opus_int16 *a, /* I/O Unsorted / Sorted vector */ - opus_int *idx, /* O Index vector for the sorted elements */ - const opus_int L, /* I Vector length */ - const opus_int K /* I Number of correctly sorted positions */ -); - -void silk_insertion_sort_increasing_all_values_int16( - opus_int16 *a, /* I/O Unsorted / Sorted vector */ - const opus_int L /* I Vector length */ -); - -/* NLSF stabilizer, for a single input data vector */ -void silk_NLSF_stabilize( - opus_int16 *NLSF_Q15, /* I/O Unstable/stabilized normalized LSF vector in Q15 [L] */ - const opus_int16 *NDeltaMin_Q15, /* I Min distance vector, NDeltaMin_Q15[L] must be >= 1 [L+1] */ - const opus_int L /* I Number of NLSF parameters in the input vector */ -); - -/* Laroia low complexity NLSF weights */ -void silk_NLSF_VQ_weights_laroia( - opus_int16 *pNLSFW_Q_OUT, /* O Pointer to input vector weights [D] */ - const opus_int16 *pNLSF_Q15, /* I Pointer to input vector [D] */ - const opus_int D /* I Input vector dimension (even) */ -); - -/* Compute reflection coefficients from input signal */ -void silk_burg_modified( - opus_int32 *res_nrg, /* O Residual energy */ - opus_int *res_nrg_Q, /* O Residual energy Q value */ - opus_int32 A_Q16[], /* O Prediction coefficients (length order) */ - const opus_int16 x[], /* I Input signal, length: nb_subfr * ( D + subfr_length ) */ - const opus_int32 minInvGain_Q30, /* I Inverse of max prediction gain */ - const opus_int subfr_length, /* I Input signal subframe length (incl. D preceding samples) */ - const opus_int nb_subfr, /* I Number of subframes stacked in x */ - const opus_int D, /* I Order */ - int arch /* I Run-time architecture */ -); - -/* Copy and multiply a vector by a constant */ -void silk_scale_copy_vector16( - opus_int16 *data_out, - const opus_int16 *data_in, - opus_int32 gain_Q16, /* I Gain in Q16 */ - const opus_int dataSize /* I Length */ -); - -/* Some for the LTP related function requires Q26 to work.*/ -void silk_scale_vector32_Q26_lshift_18( - opus_int32 *data1, /* I/O Q0/Q18 */ - opus_int32 gain_Q26, /* I Q26 */ - opus_int dataSize /* I length */ -); - -/********************************************************************/ -/* INLINE ARM MATH */ -/********************************************************************/ - -/* return sum( inVec1[i] * inVec2[i] ) */ -opus_int32 silk_inner_prod_aligned( - const opus_int16 *const inVec1, /* I input vector 1 */ - const opus_int16 *const inVec2, /* I input vector 2 */ - const opus_int len /* I vector lengths */ -); - -opus_int32 silk_inner_prod_aligned_scale( - const opus_int16 *const inVec1, /* I input vector 1 */ - const opus_int16 *const inVec2, /* I input vector 2 */ - const opus_int scale, /* I number of bits to shift */ - const opus_int len /* I vector lengths */ -); - -opus_int64 silk_inner_prod16_aligned_64( - const opus_int16 *inVec1, /* I input vector 1 */ - const opus_int16 *inVec2, /* I input vector 2 */ - const opus_int len /* I vector lengths */ -); - -/********************************************************************/ -/* MACROS */ -/********************************************************************/ - -/* Rotate a32 right by 'rot' bits. Negative rot values result in rotating - left. Output is 32bit int. - Note: contemporary compilers recognize the C expression below and - compile it into a 'ror' instruction if available. No need for OPUS_INLINE ASM! */ -static OPUS_INLINE opus_int32 silk_ROR32( opus_int32 a32, opus_int rot ) -{ - opus_uint32 x = (opus_uint32) a32; - opus_uint32 r = (opus_uint32) rot; - opus_uint32 m = (opus_uint32) -rot; - if( rot == 0 ) { - return a32; - } else if( rot < 0 ) { - return (opus_int32) ((x << m) | (x >> (32 - m))); - } else { - return (opus_int32) ((x << (32 - r)) | (x >> r)); - } -} - -/* Allocate opus_int16 aligned to 4-byte memory address */ -#if EMBEDDED_ARM -#define silk_DWORD_ALIGN __attribute__((aligned(4))) -#else -#define silk_DWORD_ALIGN -#endif - -/* Useful Macros that can be adjusted to other platforms */ -#define silk_memcpy(dest, src, size) memcpy((dest), (src), (size)) -#define silk_memset(dest, src, size) memset((dest), (src), (size)) -#define silk_memmove(dest, src, size) memmove((dest), (src), (size)) - -/* Fixed point macros */ - -/* (a32 * b32) output have to be 32bit int */ -#define silk_MUL(a32, b32) ((a32) * (b32)) - -/* (a32 * b32) output have to be 32bit uint */ -#define silk_MUL_uint(a32, b32) silk_MUL(a32, b32) - -/* a32 + (b32 * c32) output have to be 32bit int */ -#define silk_MLA(a32, b32, c32) silk_ADD32((a32),((b32) * (c32))) - -/* a32 + (b32 * c32) output have to be 32bit uint */ -#define silk_MLA_uint(a32, b32, c32) silk_MLA(a32, b32, c32) - -/* ((a32 >> 16) * (b32 >> 16)) output have to be 32bit int */ -#define silk_SMULTT(a32, b32) (((a32) >> 16) * ((b32) >> 16)) - -/* a32 + ((a32 >> 16) * (b32 >> 16)) output have to be 32bit int */ -#define silk_SMLATT(a32, b32, c32) silk_ADD32((a32),((b32) >> 16) * ((c32) >> 16)) - -#define silk_SMLALBB(a64, b16, c16) silk_ADD64((a64),(opus_int64)((opus_int32)(b16) * (opus_int32)(c16))) - -/* (a32 * b32) */ -#define silk_SMULL(a32, b32) ((opus_int64)(a32) * /*(opus_int64)*/(b32)) - -/* Adds two signed 32-bit values in a way that can overflow, while not relying on undefined behaviour - (just standard two's complement implementation-specific behaviour) */ -#define silk_ADD32_ovflw(a, b) ((opus_int32)((opus_uint32)(a) + (opus_uint32)(b))) -/* Subtractss two signed 32-bit values in a way that can overflow, while not relying on undefined behaviour - (just standard two's complement implementation-specific behaviour) */ -#define silk_SUB32_ovflw(a, b) ((opus_int32)((opus_uint32)(a) - (opus_uint32)(b))) - -/* Multiply-accumulate macros that allow overflow in the addition (ie, no asserts in debug mode) */ -#define silk_MLA_ovflw(a32, b32, c32) silk_ADD32_ovflw((a32), (opus_uint32)(b32) * (opus_uint32)(c32)) -#define silk_SMLABB_ovflw(a32, b32, c32) (silk_ADD32_ovflw((a32) , ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))) - -#define silk_DIV32_16(a32, b16) ((opus_int32)((a32) / (b16))) -#define silk_DIV32(a32, b32) ((opus_int32)((a32) / (b32))) - -/* These macros enables checking for overflow in silk_API_Debug.h*/ -#define silk_ADD16(a, b) ((a) + (b)) -#define silk_ADD32(a, b) ((a) + (b)) -#define silk_ADD64(a, b) ((a) + (b)) - -#define silk_SUB16(a, b) ((a) - (b)) -#define silk_SUB32(a, b) ((a) - (b)) -#define silk_SUB64(a, b) ((a) - (b)) - -#define silk_SAT8(a) ((a) > silk_int8_MAX ? silk_int8_MAX : \ - ((a) < silk_int8_MIN ? silk_int8_MIN : (a))) -#define silk_SAT16(a) ((a) > silk_int16_MAX ? silk_int16_MAX : \ - ((a) < silk_int16_MIN ? silk_int16_MIN : (a))) -#define silk_SAT32(a) ((a) > silk_int32_MAX ? silk_int32_MAX : \ - ((a) < silk_int32_MIN ? silk_int32_MIN : (a))) - -#define silk_CHECK_FIT8(a) (a) -#define silk_CHECK_FIT16(a) (a) -#define silk_CHECK_FIT32(a) (a) - -#define silk_ADD_SAT16(a, b) (opus_int16)silk_SAT16( silk_ADD32( (opus_int32)(a), (b) ) ) -#define silk_ADD_SAT64(a, b) ((((a) + (b)) & 0x8000000000000000LL) == 0 ? \ - ((((a) & (b)) & 0x8000000000000000LL) != 0 ? silk_int64_MIN : (a)+(b)) : \ - ((((a) | (b)) & 0x8000000000000000LL) == 0 ? silk_int64_MAX : (a)+(b)) ) - -#define silk_SUB_SAT16(a, b) (opus_int16)silk_SAT16( silk_SUB32( (opus_int32)(a), (b) ) ) -#define silk_SUB_SAT64(a, b) ((((a)-(b)) & 0x8000000000000000LL) == 0 ? \ - (( (a) & ((b)^0x8000000000000000LL) & 0x8000000000000000LL) ? silk_int64_MIN : (a)-(b)) : \ - ((((a)^0x8000000000000000LL) & (b) & 0x8000000000000000LL) ? silk_int64_MAX : (a)-(b)) ) - -/* Saturation for positive input values */ -#define silk_POS_SAT32(a) ((a) > silk_int32_MAX ? silk_int32_MAX : (a)) - -/* Add with saturation for positive input values */ -#define silk_ADD_POS_SAT8(a, b) ((((a)+(b)) & 0x80) ? silk_int8_MAX : ((a)+(b))) -#define silk_ADD_POS_SAT16(a, b) ((((a)+(b)) & 0x8000) ? silk_int16_MAX : ((a)+(b))) -#define silk_ADD_POS_SAT32(a, b) ((((a)+(b)) & 0x80000000) ? silk_int32_MAX : ((a)+(b))) -#define silk_ADD_POS_SAT64(a, b) ((((a)+(b)) & 0x8000000000000000LL) ? silk_int64_MAX : ((a)+(b))) - -#define silk_LSHIFT8(a, shift) ((opus_int8)((opus_uint8)(a)<<(shift))) /* shift >= 0, shift < 8 */ -#define silk_LSHIFT16(a, shift) ((opus_int16)((opus_uint16)(a)<<(shift))) /* shift >= 0, shift < 16 */ -#define silk_LSHIFT32(a, shift) ((opus_int32)((opus_uint32)(a)<<(shift))) /* shift >= 0, shift < 32 */ -#define silk_LSHIFT64(a, shift) ((opus_int64)((opus_uint64)(a)<<(shift))) /* shift >= 0, shift < 64 */ -#define silk_LSHIFT(a, shift) silk_LSHIFT32(a, shift) /* shift >= 0, shift < 32 */ - -#define silk_RSHIFT8(a, shift) ((a)>>(shift)) /* shift >= 0, shift < 8 */ -#define silk_RSHIFT16(a, shift) ((a)>>(shift)) /* shift >= 0, shift < 16 */ -#define silk_RSHIFT32(a, shift) ((a)>>(shift)) /* shift >= 0, shift < 32 */ -#define silk_RSHIFT64(a, shift) ((a)>>(shift)) /* shift >= 0, shift < 64 */ -#define silk_RSHIFT(a, shift) silk_RSHIFT32(a, shift) /* shift >= 0, shift < 32 */ - -/* saturates before shifting */ -#define silk_LSHIFT_SAT32(a, shift) (silk_LSHIFT32( silk_LIMIT( (a), silk_RSHIFT32( silk_int32_MIN, (shift) ), \ - silk_RSHIFT32( silk_int32_MAX, (shift) ) ), (shift) )) - -#define silk_LSHIFT_ovflw(a, shift) ((opus_int32)((opus_uint32)(a) << (shift))) /* shift >= 0, allowed to overflow */ -#define silk_LSHIFT_uint(a, shift) ((a) << (shift)) /* shift >= 0 */ -#define silk_RSHIFT_uint(a, shift) ((a) >> (shift)) /* shift >= 0 */ - -#define silk_ADD_LSHIFT(a, b, shift) ((a) + silk_LSHIFT((b), (shift))) /* shift >= 0 */ -#define silk_ADD_LSHIFT32(a, b, shift) silk_ADD32((a), silk_LSHIFT32((b), (shift))) /* shift >= 0 */ -#define silk_ADD_LSHIFT_uint(a, b, shift) ((a) + silk_LSHIFT_uint((b), (shift))) /* shift >= 0 */ -#define silk_ADD_RSHIFT(a, b, shift) ((a) + silk_RSHIFT((b), (shift))) /* shift >= 0 */ -#define silk_ADD_RSHIFT32(a, b, shift) silk_ADD32((a), silk_RSHIFT32((b), (shift))) /* shift >= 0 */ -#define silk_ADD_RSHIFT_uint(a, b, shift) ((a) + silk_RSHIFT_uint((b), (shift))) /* shift >= 0 */ -#define silk_SUB_LSHIFT32(a, b, shift) silk_SUB32((a), silk_LSHIFT32((b), (shift))) /* shift >= 0 */ -#define silk_SUB_RSHIFT32(a, b, shift) silk_SUB32((a), silk_RSHIFT32((b), (shift))) /* shift >= 0 */ - -/* Requires that shift > 0 */ -#define silk_RSHIFT_ROUND(a, shift) ((shift) == 1 ? ((a) >> 1) + ((a) & 1) : (((a) >> ((shift) - 1)) + 1) >> 1) -#define silk_RSHIFT_ROUND64(a, shift) ((shift) == 1 ? ((a) >> 1) + ((a) & 1) : (((a) >> ((shift) - 1)) + 1) >> 1) - -/* Number of rightshift required to fit the multiplication */ -#define silk_NSHIFT_MUL_32_32(a, b) ( -(31- (32-silk_CLZ32(silk_abs(a)) + (32-silk_CLZ32(silk_abs(b))))) ) -#define silk_NSHIFT_MUL_16_16(a, b) ( -(15- (16-silk_CLZ16(silk_abs(a)) + (16-silk_CLZ16(silk_abs(b))))) ) - - -#define silk_min(a, b) (((a) < (b)) ? (a) : (b)) -#define silk_max(a, b) (((a) > (b)) ? (a) : (b)) - -/* Macro to convert floating-point constants to fixed-point */ -#define SILK_FIX_CONST( C, Q ) ((opus_int32)((C) * ((opus_int64)1 << (Q)) + 0.5)) - -/* silk_min() versions with typecast in the function call */ -static OPUS_INLINE opus_int silk_min_int(opus_int a, opus_int b) -{ - return (((a) < (b)) ? (a) : (b)); -} -static OPUS_INLINE opus_int16 silk_min_16(opus_int16 a, opus_int16 b) -{ - return (((a) < (b)) ? (a) : (b)); -} -static OPUS_INLINE opus_int32 silk_min_32(opus_int32 a, opus_int32 b) -{ - return (((a) < (b)) ? (a) : (b)); -} -static OPUS_INLINE opus_int64 silk_min_64(opus_int64 a, opus_int64 b) -{ - return (((a) < (b)) ? (a) : (b)); -} - -/* silk_min() versions with typecast in the function call */ -static OPUS_INLINE opus_int silk_max_int(opus_int a, opus_int b) -{ - return (((a) > (b)) ? (a) : (b)); -} -static OPUS_INLINE opus_int16 silk_max_16(opus_int16 a, opus_int16 b) -{ - return (((a) > (b)) ? (a) : (b)); -} -static OPUS_INLINE opus_int32 silk_max_32(opus_int32 a, opus_int32 b) -{ - return (((a) > (b)) ? (a) : (b)); -} -static OPUS_INLINE opus_int64 silk_max_64(opus_int64 a, opus_int64 b) -{ - return (((a) > (b)) ? (a) : (b)); -} - -#define silk_LIMIT( a, limit1, limit2) ((limit1) > (limit2) ? ((a) > (limit1) ? (limit1) : ((a) < (limit2) ? (limit2) : (a))) \ - : ((a) > (limit2) ? (limit2) : ((a) < (limit1) ? (limit1) : (a)))) - -#define silk_LIMIT_int silk_LIMIT -#define silk_LIMIT_16 silk_LIMIT -#define silk_LIMIT_32 silk_LIMIT - -#define silk_abs(a) (((a) > 0) ? (a) : -(a)) /* Be careful, silk_abs returns wrong when input equals to silk_intXX_MIN */ -#define silk_abs_int(a) (((a) ^ ((a) >> (8 * sizeof(a) - 1))) - ((a) >> (8 * sizeof(a) - 1))) -#define silk_abs_int32(a) (((a) ^ ((a) >> 31)) - ((a) >> 31)) -#define silk_abs_int64(a) (((a) > 0) ? (a) : -(a)) - -#define silk_sign(a) ((a) > 0 ? 1 : ( (a) < 0 ? -1 : 0 )) - -/* PSEUDO-RANDOM GENERATOR */ -/* Make sure to store the result as the seed for the next call (also in between */ -/* frames), otherwise result won't be random at all. When only using some of the */ -/* bits, take the most significant bits by right-shifting. */ -#define silk_RAND(seed) (silk_MLA_ovflw(907633515, (seed), 196314165)) - -/* Add some multiplication functions that can be easily mapped to ARM. */ - -/* silk_SMMUL: Signed top word multiply. - ARMv6 2 instruction cycles. - ARMv3M+ 3 instruction cycles. use SMULL and ignore LSB registers.(except xM)*/ -/*#define silk_SMMUL(a32, b32) (opus_int32)silk_RSHIFT(silk_SMLAL(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16)), 16)*/ -/* the following seems faster on x86 */ -#define silk_SMMUL(a32, b32) (opus_int32)silk_RSHIFT64(silk_SMULL((a32), (b32)), 32) - -#include "Inlines.h" -#include "MacroCount.h" -#include "MacroDebug.h" - -#ifdef OPUS_ARM_INLINE_ASM -#include "arm/SigProc_FIX_armv4.h" -#endif - -#ifdef OPUS_ARM_INLINE_EDSP -#include "arm/SigProc_FIX_armv5e.h" -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* SILK_SIGPROC_FIX_H */ diff --git a/src/opus-1.1/silk/VAD.c b/src/opus-1.1/silk/VAD.c deleted file mode 100644 index a8090981..00000000 --- a/src/opus-1.1/silk/VAD.c +++ /dev/null @@ -1,357 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -/* Silk VAD noise level estimation */ -static OPUS_INLINE void silk_VAD_GetNoiseLevels( - const opus_int32 pX[ VAD_N_BANDS ], /* I subband energies */ - silk_VAD_state *psSilk_VAD /* I/O Pointer to Silk VAD state */ -); - -/**********************************/ -/* Initialization of the Silk VAD */ -/**********************************/ -opus_int silk_VAD_Init( /* O Return value, 0 if success */ - silk_VAD_state *psSilk_VAD /* I/O Pointer to Silk VAD state */ -) -{ - opus_int b, ret = 0; - - /* reset state memory */ - silk_memset( psSilk_VAD, 0, sizeof( silk_VAD_state ) ); - - /* init noise levels */ - /* Initialize array with approx pink noise levels (psd proportional to inverse of frequency) */ - for( b = 0; b < VAD_N_BANDS; b++ ) { - psSilk_VAD->NoiseLevelBias[ b ] = silk_max_32( silk_DIV32_16( VAD_NOISE_LEVELS_BIAS, b + 1 ), 1 ); - } - - /* Initialize state */ - for( b = 0; b < VAD_N_BANDS; b++ ) { - psSilk_VAD->NL[ b ] = silk_MUL( 100, psSilk_VAD->NoiseLevelBias[ b ] ); - psSilk_VAD->inv_NL[ b ] = silk_DIV32( silk_int32_MAX, psSilk_VAD->NL[ b ] ); - } - psSilk_VAD->counter = 15; - - /* init smoothed energy-to-noise ratio*/ - for( b = 0; b < VAD_N_BANDS; b++ ) { - psSilk_VAD->NrgRatioSmth_Q8[ b ] = 100 * 256; /* 100 * 256 --> 20 dB SNR */ - } - - return( ret ); -} - -/* Weighting factors for tilt measure */ -static const opus_int32 tiltWeights[ VAD_N_BANDS ] = { 30000, 6000, -12000, -12000 }; - -/***************************************/ -/* Get the speech activity level in Q8 */ -/***************************************/ -opus_int silk_VAD_GetSA_Q8( /* O Return value, 0 if success */ - silk_encoder_state *psEncC, /* I/O Encoder state */ - const opus_int16 pIn[] /* I PCM input */ -) -{ - opus_int SA_Q15, pSNR_dB_Q7, input_tilt; - opus_int decimated_framelength1, decimated_framelength2; - opus_int decimated_framelength; - opus_int dec_subframe_length, dec_subframe_offset, SNR_Q7, i, b, s; - opus_int32 sumSquared, smooth_coef_Q16; - opus_int16 HPstateTmp; - VARDECL( opus_int16, X ); - opus_int32 Xnrg[ VAD_N_BANDS ]; - opus_int32 NrgToNoiseRatio_Q8[ VAD_N_BANDS ]; - opus_int32 speech_nrg, x_tmp; - opus_int X_offset[ VAD_N_BANDS ]; - opus_int ret = 0; - silk_VAD_state *psSilk_VAD = &psEncC->sVAD; - SAVE_STACK; - - /* Safety checks */ - silk_assert( VAD_N_BANDS == 4 ); - silk_assert( MAX_FRAME_LENGTH >= psEncC->frame_length ); - silk_assert( psEncC->frame_length <= 512 ); - silk_assert( psEncC->frame_length == 8 * silk_RSHIFT( psEncC->frame_length, 3 ) ); - - /***********************/ - /* Filter and Decimate */ - /***********************/ - decimated_framelength1 = silk_RSHIFT( psEncC->frame_length, 1 ); - decimated_framelength2 = silk_RSHIFT( psEncC->frame_length, 2 ); - decimated_framelength = silk_RSHIFT( psEncC->frame_length, 3 ); - /* Decimate into 4 bands: - 0 L 3L L 3L 5L - - -- - -- -- - 8 8 2 4 4 - - [0-1 kHz| temp. |1-2 kHz| 2-4 kHz | 4-8 kHz | - - They're arranged to allow the minimal ( frame_length / 4 ) extra - scratch space during the downsampling process */ - X_offset[ 0 ] = 0; - X_offset[ 1 ] = decimated_framelength + decimated_framelength2; - X_offset[ 2 ] = X_offset[ 1 ] + decimated_framelength; - X_offset[ 3 ] = X_offset[ 2 ] + decimated_framelength2; - ALLOC( X, X_offset[ 3 ] + decimated_framelength1, opus_int16 ); - - /* 0-8 kHz to 0-4 kHz and 4-8 kHz */ - silk_ana_filt_bank_1( pIn, &psSilk_VAD->AnaState[ 0 ], - X, &X[ X_offset[ 3 ] ], psEncC->frame_length ); - - /* 0-4 kHz to 0-2 kHz and 2-4 kHz */ - silk_ana_filt_bank_1( X, &psSilk_VAD->AnaState1[ 0 ], - X, &X[ X_offset[ 2 ] ], decimated_framelength1 ); - - /* 0-2 kHz to 0-1 kHz and 1-2 kHz */ - silk_ana_filt_bank_1( X, &psSilk_VAD->AnaState2[ 0 ], - X, &X[ X_offset[ 1 ] ], decimated_framelength2 ); - - /*********************************************/ - /* HP filter on lowest band (differentiator) */ - /*********************************************/ - X[ decimated_framelength - 1 ] = silk_RSHIFT( X[ decimated_framelength - 1 ], 1 ); - HPstateTmp = X[ decimated_framelength - 1 ]; - for( i = decimated_framelength - 1; i > 0; i-- ) { - X[ i - 1 ] = silk_RSHIFT( X[ i - 1 ], 1 ); - X[ i ] -= X[ i - 1 ]; - } - X[ 0 ] -= psSilk_VAD->HPstate; - psSilk_VAD->HPstate = HPstateTmp; - - /*************************************/ - /* Calculate the energy in each band */ - /*************************************/ - for( b = 0; b < VAD_N_BANDS; b++ ) { - /* Find the decimated framelength in the non-uniformly divided bands */ - decimated_framelength = silk_RSHIFT( psEncC->frame_length, silk_min_int( VAD_N_BANDS - b, VAD_N_BANDS - 1 ) ); - - /* Split length into subframe lengths */ - dec_subframe_length = silk_RSHIFT( decimated_framelength, VAD_INTERNAL_SUBFRAMES_LOG2 ); - dec_subframe_offset = 0; - - /* Compute energy per sub-frame */ - /* initialize with summed energy of last subframe */ - Xnrg[ b ] = psSilk_VAD->XnrgSubfr[ b ]; - for( s = 0; s < VAD_INTERNAL_SUBFRAMES; s++ ) { - sumSquared = 0; - for( i = 0; i < dec_subframe_length; i++ ) { - /* The energy will be less than dec_subframe_length * ( silk_int16_MIN / 8 ) ^ 2. */ - /* Therefore we can accumulate with no risk of overflow (unless dec_subframe_length > 128) */ - x_tmp = silk_RSHIFT( - X[ X_offset[ b ] + i + dec_subframe_offset ], 3 ); - sumSquared = silk_SMLABB( sumSquared, x_tmp, x_tmp ); - - /* Safety check */ - silk_assert( sumSquared >= 0 ); - } - - /* Add/saturate summed energy of current subframe */ - if( s < VAD_INTERNAL_SUBFRAMES - 1 ) { - Xnrg[ b ] = silk_ADD_POS_SAT32( Xnrg[ b ], sumSquared ); - } else { - /* Look-ahead subframe */ - Xnrg[ b ] = silk_ADD_POS_SAT32( Xnrg[ b ], silk_RSHIFT( sumSquared, 1 ) ); - } - - dec_subframe_offset += dec_subframe_length; - } - psSilk_VAD->XnrgSubfr[ b ] = sumSquared; - } - - /********************/ - /* Noise estimation */ - /********************/ - silk_VAD_GetNoiseLevels( &Xnrg[ 0 ], psSilk_VAD ); - - /***********************************************/ - /* Signal-plus-noise to noise ratio estimation */ - /***********************************************/ - sumSquared = 0; - input_tilt = 0; - for( b = 0; b < VAD_N_BANDS; b++ ) { - speech_nrg = Xnrg[ b ] - psSilk_VAD->NL[ b ]; - if( speech_nrg > 0 ) { - /* Divide, with sufficient resolution */ - if( ( Xnrg[ b ] & 0xFF800000 ) == 0 ) { - NrgToNoiseRatio_Q8[ b ] = silk_DIV32( silk_LSHIFT( Xnrg[ b ], 8 ), psSilk_VAD->NL[ b ] + 1 ); - } else { - NrgToNoiseRatio_Q8[ b ] = silk_DIV32( Xnrg[ b ], silk_RSHIFT( psSilk_VAD->NL[ b ], 8 ) + 1 ); - } - - /* Convert to log domain */ - SNR_Q7 = silk_lin2log( NrgToNoiseRatio_Q8[ b ] ) - 8 * 128; - - /* Sum-of-squares */ - sumSquared = silk_SMLABB( sumSquared, SNR_Q7, SNR_Q7 ); /* Q14 */ - - /* Tilt measure */ - if( speech_nrg < ( (opus_int32)1 << 20 ) ) { - /* Scale down SNR value for small subband speech energies */ - SNR_Q7 = silk_SMULWB( silk_LSHIFT( silk_SQRT_APPROX( speech_nrg ), 6 ), SNR_Q7 ); - } - input_tilt = silk_SMLAWB( input_tilt, tiltWeights[ b ], SNR_Q7 ); - } else { - NrgToNoiseRatio_Q8[ b ] = 256; - } - } - - /* Mean-of-squares */ - sumSquared = silk_DIV32_16( sumSquared, VAD_N_BANDS ); /* Q14 */ - - /* Root-mean-square approximation, scale to dBs, and write to output pointer */ - pSNR_dB_Q7 = (opus_int16)( 3 * silk_SQRT_APPROX( sumSquared ) ); /* Q7 */ - - /*********************************/ - /* Speech Probability Estimation */ - /*********************************/ - SA_Q15 = silk_sigm_Q15( silk_SMULWB( VAD_SNR_FACTOR_Q16, pSNR_dB_Q7 ) - VAD_NEGATIVE_OFFSET_Q5 ); - - /**************************/ - /* Frequency Tilt Measure */ - /**************************/ - psEncC->input_tilt_Q15 = silk_LSHIFT( silk_sigm_Q15( input_tilt ) - 16384, 1 ); - - /**************************************************/ - /* Scale the sigmoid output based on power levels */ - /**************************************************/ - speech_nrg = 0; - for( b = 0; b < VAD_N_BANDS; b++ ) { - /* Accumulate signal-without-noise energies, higher frequency bands have more weight */ - speech_nrg += ( b + 1 ) * silk_RSHIFT( Xnrg[ b ] - psSilk_VAD->NL[ b ], 4 ); - } - - /* Power scaling */ - if( speech_nrg <= 0 ) { - SA_Q15 = silk_RSHIFT( SA_Q15, 1 ); - } else if( speech_nrg < 32768 ) { - if( psEncC->frame_length == 10 * psEncC->fs_kHz ) { - speech_nrg = silk_LSHIFT_SAT32( speech_nrg, 16 ); - } else { - speech_nrg = silk_LSHIFT_SAT32( speech_nrg, 15 ); - } - - /* square-root */ - speech_nrg = silk_SQRT_APPROX( speech_nrg ); - SA_Q15 = silk_SMULWB( 32768 + speech_nrg, SA_Q15 ); - } - - /* Copy the resulting speech activity in Q8 */ - psEncC->speech_activity_Q8 = silk_min_int( silk_RSHIFT( SA_Q15, 7 ), silk_uint8_MAX ); - - /***********************************/ - /* Energy Level and SNR estimation */ - /***********************************/ - /* Smoothing coefficient */ - smooth_coef_Q16 = silk_SMULWB( VAD_SNR_SMOOTH_COEF_Q18, silk_SMULWB( (opus_int32)SA_Q15, SA_Q15 ) ); - - if( psEncC->frame_length == 10 * psEncC->fs_kHz ) { - smooth_coef_Q16 >>= 1; - } - - for( b = 0; b < VAD_N_BANDS; b++ ) { - /* compute smoothed energy-to-noise ratio per band */ - psSilk_VAD->NrgRatioSmth_Q8[ b ] = silk_SMLAWB( psSilk_VAD->NrgRatioSmth_Q8[ b ], - NrgToNoiseRatio_Q8[ b ] - psSilk_VAD->NrgRatioSmth_Q8[ b ], smooth_coef_Q16 ); - - /* signal to noise ratio in dB per band */ - SNR_Q7 = 3 * ( silk_lin2log( psSilk_VAD->NrgRatioSmth_Q8[b] ) - 8 * 128 ); - /* quality = sigmoid( 0.25 * ( SNR_dB - 16 ) ); */ - psEncC->input_quality_bands_Q15[ b ] = silk_sigm_Q15( silk_RSHIFT( SNR_Q7 - 16 * 128, 4 ) ); - } - - RESTORE_STACK; - return( ret ); -} - -/**************************/ -/* Noise level estimation */ -/**************************/ -static OPUS_INLINE void silk_VAD_GetNoiseLevels( - const opus_int32 pX[ VAD_N_BANDS ], /* I subband energies */ - silk_VAD_state *psSilk_VAD /* I/O Pointer to Silk VAD state */ -) -{ - opus_int k; - opus_int32 nl, nrg, inv_nrg; - opus_int coef, min_coef; - - /* Initially faster smoothing */ - if( psSilk_VAD->counter < 1000 ) { /* 1000 = 20 sec */ - min_coef = silk_DIV32_16( silk_int16_MAX, silk_RSHIFT( psSilk_VAD->counter, 4 ) + 1 ); - } else { - min_coef = 0; - } - - for( k = 0; k < VAD_N_BANDS; k++ ) { - /* Get old noise level estimate for current band */ - nl = psSilk_VAD->NL[ k ]; - silk_assert( nl >= 0 ); - - /* Add bias */ - nrg = silk_ADD_POS_SAT32( pX[ k ], psSilk_VAD->NoiseLevelBias[ k ] ); - silk_assert( nrg > 0 ); - - /* Invert energies */ - inv_nrg = silk_DIV32( silk_int32_MAX, nrg ); - silk_assert( inv_nrg >= 0 ); - - /* Less update when subband energy is high */ - if( nrg > silk_LSHIFT( nl, 3 ) ) { - coef = VAD_NOISE_LEVEL_SMOOTH_COEF_Q16 >> 3; - } else if( nrg < nl ) { - coef = VAD_NOISE_LEVEL_SMOOTH_COEF_Q16; - } else { - coef = silk_SMULWB( silk_SMULWW( inv_nrg, nl ), VAD_NOISE_LEVEL_SMOOTH_COEF_Q16 << 1 ); - } - - /* Initially faster smoothing */ - coef = silk_max_int( coef, min_coef ); - - /* Smooth inverse energies */ - psSilk_VAD->inv_NL[ k ] = silk_SMLAWB( psSilk_VAD->inv_NL[ k ], inv_nrg - psSilk_VAD->inv_NL[ k ], coef ); - silk_assert( psSilk_VAD->inv_NL[ k ] >= 0 ); - - /* Compute noise level by inverting again */ - nl = silk_DIV32( silk_int32_MAX, psSilk_VAD->inv_NL[ k ] ); - silk_assert( nl >= 0 ); - - /* Limit noise levels (guarantee 7 bits of head room) */ - nl = silk_min( nl, 0x00FFFFFF ); - - /* Store as part of state */ - psSilk_VAD->NL[ k ] = nl; - } - - /* Increment frame counter */ - psSilk_VAD->counter++; -} diff --git a/src/opus-1.1/silk/VQ_WMat_EC.c b/src/opus-1.1/silk/VQ_WMat_EC.c deleted file mode 100644 index 13d5d34e..00000000 --- a/src/opus-1.1/silk/VQ_WMat_EC.c +++ /dev/null @@ -1,120 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Entropy constrained matrix-weighted VQ, hard-coded to 5-element vectors, for a single input data vector */ -void silk_VQ_WMat_EC( - opus_int8 *ind, /* O index of best codebook vector */ - opus_int32 *rate_dist_Q14, /* O best weighted quant error + mu * rate */ - opus_int *gain_Q7, /* O sum of absolute LTP coefficients */ - const opus_int16 *in_Q14, /* I input vector to be quantized */ - const opus_int32 *W_Q18, /* I weighting matrix */ - const opus_int8 *cb_Q7, /* I codebook */ - const opus_uint8 *cb_gain_Q7, /* I codebook effective gain */ - const opus_uint8 *cl_Q5, /* I code length for each codebook vector */ - const opus_int mu_Q9, /* I tradeoff betw. weighted error and rate */ - const opus_int32 max_gain_Q7, /* I maximum sum of absolute LTP coefficients */ - opus_int L /* I number of vectors in codebook */ -) -{ - opus_int k, gain_tmp_Q7; - const opus_int8 *cb_row_Q7; - opus_int16 diff_Q14[ 5 ]; - opus_int32 sum1_Q14, sum2_Q16; - - /* Loop over codebook */ - *rate_dist_Q14 = silk_int32_MAX; - cb_row_Q7 = cb_Q7; - for( k = 0; k < L; k++ ) { - gain_tmp_Q7 = cb_gain_Q7[k]; - - diff_Q14[ 0 ] = in_Q14[ 0 ] - silk_LSHIFT( cb_row_Q7[ 0 ], 7 ); - diff_Q14[ 1 ] = in_Q14[ 1 ] - silk_LSHIFT( cb_row_Q7[ 1 ], 7 ); - diff_Q14[ 2 ] = in_Q14[ 2 ] - silk_LSHIFT( cb_row_Q7[ 2 ], 7 ); - diff_Q14[ 3 ] = in_Q14[ 3 ] - silk_LSHIFT( cb_row_Q7[ 3 ], 7 ); - diff_Q14[ 4 ] = in_Q14[ 4 ] - silk_LSHIFT( cb_row_Q7[ 4 ], 7 ); - - /* Weighted rate */ - sum1_Q14 = silk_SMULBB( mu_Q9, cl_Q5[ k ] ); - - /* Penalty for too large gain */ - sum1_Q14 = silk_ADD_LSHIFT32( sum1_Q14, silk_max( silk_SUB32( gain_tmp_Q7, max_gain_Q7 ), 0 ), 10 ); - - silk_assert( sum1_Q14 >= 0 ); - - /* first row of W_Q18 */ - sum2_Q16 = silk_SMULWB( W_Q18[ 1 ], diff_Q14[ 1 ] ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 2 ], diff_Q14[ 2 ] ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 3 ], diff_Q14[ 3 ] ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 4 ], diff_Q14[ 4 ] ); - sum2_Q16 = silk_LSHIFT( sum2_Q16, 1 ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 0 ], diff_Q14[ 0 ] ); - sum1_Q14 = silk_SMLAWB( sum1_Q14, sum2_Q16, diff_Q14[ 0 ] ); - - /* second row of W_Q18 */ - sum2_Q16 = silk_SMULWB( W_Q18[ 7 ], diff_Q14[ 2 ] ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 8 ], diff_Q14[ 3 ] ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 9 ], diff_Q14[ 4 ] ); - sum2_Q16 = silk_LSHIFT( sum2_Q16, 1 ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 6 ], diff_Q14[ 1 ] ); - sum1_Q14 = silk_SMLAWB( sum1_Q14, sum2_Q16, diff_Q14[ 1 ] ); - - /* third row of W_Q18 */ - sum2_Q16 = silk_SMULWB( W_Q18[ 13 ], diff_Q14[ 3 ] ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 14 ], diff_Q14[ 4 ] ); - sum2_Q16 = silk_LSHIFT( sum2_Q16, 1 ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 12 ], diff_Q14[ 2 ] ); - sum1_Q14 = silk_SMLAWB( sum1_Q14, sum2_Q16, diff_Q14[ 2 ] ); - - /* fourth row of W_Q18 */ - sum2_Q16 = silk_SMULWB( W_Q18[ 19 ], diff_Q14[ 4 ] ); - sum2_Q16 = silk_LSHIFT( sum2_Q16, 1 ); - sum2_Q16 = silk_SMLAWB( sum2_Q16, W_Q18[ 18 ], diff_Q14[ 3 ] ); - sum1_Q14 = silk_SMLAWB( sum1_Q14, sum2_Q16, diff_Q14[ 3 ] ); - - /* last row of W_Q18 */ - sum2_Q16 = silk_SMULWB( W_Q18[ 24 ], diff_Q14[ 4 ] ); - sum1_Q14 = silk_SMLAWB( sum1_Q14, sum2_Q16, diff_Q14[ 4 ] ); - - silk_assert( sum1_Q14 >= 0 ); - - /* find best */ - if( sum1_Q14 < *rate_dist_Q14 ) { - *rate_dist_Q14 = sum1_Q14; - *ind = (opus_int8)k; - *gain_Q7 = gain_tmp_Q7; - } - - /* Go to next cbk vector */ - cb_row_Q7 += LTP_ORDER; - } -} diff --git a/src/opus-1.1/silk/ana_filt_bank_1.c b/src/opus-1.1/silk/ana_filt_bank_1.c deleted file mode 100644 index 24cfb03f..00000000 --- a/src/opus-1.1/silk/ana_filt_bank_1.c +++ /dev/null @@ -1,74 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Coefficients for 2-band filter bank based on first-order allpass filters */ -static opus_int16 A_fb1_20 = 5394 << 1; -static opus_int16 A_fb1_21 = -24290; /* (opus_int16)(20623 << 1) */ - -/* Split signal into two decimated bands using first-order allpass filters */ -void silk_ana_filt_bank_1( - const opus_int16 *in, /* I Input signal [N] */ - opus_int32 *S, /* I/O State vector [2] */ - opus_int16 *outL, /* O Low band [N/2] */ - opus_int16 *outH, /* O High band [N/2] */ - const opus_int32 N /* I Number of input samples */ -) -{ - opus_int k, N2 = silk_RSHIFT( N, 1 ); - opus_int32 in32, X, Y, out_1, out_2; - - /* Internal variables and state are in Q10 format */ - for( k = 0; k < N2; k++ ) { - /* Convert to Q10 */ - in32 = silk_LSHIFT( (opus_int32)in[ 2 * k ], 10 ); - - /* All-pass section for even input sample */ - Y = silk_SUB32( in32, S[ 0 ] ); - X = silk_SMLAWB( Y, Y, A_fb1_21 ); - out_1 = silk_ADD32( S[ 0 ], X ); - S[ 0 ] = silk_ADD32( in32, X ); - - /* Convert to Q10 */ - in32 = silk_LSHIFT( (opus_int32)in[ 2 * k + 1 ], 10 ); - - /* All-pass section for odd input sample, and add to output of previous section */ - Y = silk_SUB32( in32, S[ 1 ] ); - X = silk_SMULWB( Y, A_fb1_20 ); - out_2 = silk_ADD32( S[ 1 ], X ); - S[ 1 ] = silk_ADD32( in32, X ); - - /* Add/subtract, convert back to int16 and store to output */ - outL[ k ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_ADD32( out_2, out_1 ), 11 ) ); - outH[ k ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SUB32( out_2, out_1 ), 11 ) ); - } -} diff --git a/src/opus-1.1/silk/arm/SigProc_FIX_armv4.h b/src/opus-1.1/silk/arm/SigProc_FIX_armv4.h deleted file mode 100644 index ff62b1e5..00000000 --- a/src/opus-1.1/silk/arm/SigProc_FIX_armv4.h +++ /dev/null @@ -1,47 +0,0 @@ -/*********************************************************************** -Copyright (C) 2013 Xiph.Org Foundation and contributors -Copyright (c) 2013 Parrot -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_SIGPROC_FIX_ARMv4_H -#define SILK_SIGPROC_FIX_ARMv4_H - -#undef silk_MLA -static OPUS_INLINE opus_int32 silk_MLA_armv4(opus_int32 a, opus_int32 b, - opus_int32 c) -{ - opus_int32 res; - __asm__( - "#silk_MLA\n\t" - "mla %0, %1, %2, %3\n\t" - : "=&r"(res) - : "r"(b), "r"(c), "r"(a) - ); - return res; -} -#define silk_MLA(a, b, c) (silk_MLA_armv4(a, b, c)) - -#endif diff --git a/src/opus-1.1/silk/arm/SigProc_FIX_armv5e.h b/src/opus-1.1/silk/arm/SigProc_FIX_armv5e.h deleted file mode 100644 index 617a09ca..00000000 --- a/src/opus-1.1/silk/arm/SigProc_FIX_armv5e.h +++ /dev/null @@ -1,61 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Copyright (c) 2013 Parrot -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_SIGPROC_FIX_ARMv5E_H -#define SILK_SIGPROC_FIX_ARMv5E_H - -#undef silk_SMULTT -static OPUS_INLINE opus_int32 silk_SMULTT_armv5e(opus_int32 a, opus_int32 b) -{ - opus_int32 res; - __asm__( - "#silk_SMULTT\n\t" - "smultt %0, %1, %2\n\t" - : "=r"(res) - : "%r"(a), "r"(b) - ); - return res; -} -#define silk_SMULTT(a, b) (silk_SMULTT_armv5e(a, b)) - -#undef silk_SMLATT -static OPUS_INLINE opus_int32 silk_SMLATT_armv5e(opus_int32 a, opus_int32 b, - opus_int32 c) -{ - opus_int32 res; - __asm__( - "#silk_SMLATT\n\t" - "smlatt %0, %1, %2, %3\n\t" - : "=r"(res) - : "%r"(b), "r"(c), "r"(a) - ); - return res; -} -#define silk_SMLATT(a, b, c) (silk_SMLATT_armv5e(a, b, c)) - -#endif diff --git a/src/opus-1.1/silk/arm/macros_armv4.h b/src/opus-1.1/silk/arm/macros_armv4.h deleted file mode 100644 index 3f30e972..00000000 --- a/src/opus-1.1/silk/arm/macros_armv4.h +++ /dev/null @@ -1,103 +0,0 @@ -/*********************************************************************** -Copyright (C) 2013 Xiph.Org Foundation and contributors. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_MACROS_ARMv4_H -#define SILK_MACROS_ARMv4_H - -/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */ -#undef silk_SMULWB -static OPUS_INLINE opus_int32 silk_SMULWB_armv4(opus_int32 a, opus_int16 b) -{ - unsigned rd_lo; - int rd_hi; - __asm__( - "#silk_SMULWB\n\t" - "smull %0, %1, %2, %3\n\t" - : "=&r"(rd_lo), "=&r"(rd_hi) - : "%r"(a), "r"(b<<16) - ); - return rd_hi; -} -#define silk_SMULWB(a, b) (silk_SMULWB_armv4(a, b)) - -/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */ -#undef silk_SMLAWB -#define silk_SMLAWB(a, b, c) ((a) + silk_SMULWB(b, c)) - -/* (a32 * (b32 >> 16)) >> 16 */ -#undef silk_SMULWT -static OPUS_INLINE opus_int32 silk_SMULWT_armv4(opus_int32 a, opus_int32 b) -{ - unsigned rd_lo; - int rd_hi; - __asm__( - "#silk_SMULWT\n\t" - "smull %0, %1, %2, %3\n\t" - : "=&r"(rd_lo), "=&r"(rd_hi) - : "%r"(a), "r"(b&~0xFFFF) - ); - return rd_hi; -} -#define silk_SMULWT(a, b) (silk_SMULWT_armv4(a, b)) - -/* a32 + (b32 * (c32 >> 16)) >> 16 */ -#undef silk_SMLAWT -#define silk_SMLAWT(a, b, c) ((a) + silk_SMULWT(b, c)) - -/* (a32 * b32) >> 16 */ -#undef silk_SMULWW -static OPUS_INLINE opus_int32 silk_SMULWW_armv4(opus_int32 a, opus_int32 b) -{ - unsigned rd_lo; - int rd_hi; - __asm__( - "#silk_SMULWW\n\t" - "smull %0, %1, %2, %3\n\t" - : "=&r"(rd_lo), "=&r"(rd_hi) - : "%r"(a), "r"(b) - ); - return (rd_hi<<16)+(rd_lo>>16); -} -#define silk_SMULWW(a, b) (silk_SMULWW_armv4(a, b)) - -#undef silk_SMLAWW -static OPUS_INLINE opus_int32 silk_SMLAWW_armv4(opus_int32 a, opus_int32 b, - opus_int32 c) -{ - unsigned rd_lo; - int rd_hi; - __asm__( - "#silk_SMLAWW\n\t" - "smull %0, %1, %2, %3\n\t" - : "=&r"(rd_lo), "=&r"(rd_hi) - : "%r"(b), "r"(c) - ); - return a+(rd_hi<<16)+(rd_lo>>16); -} -#define silk_SMLAWW(a, b, c) (silk_SMLAWW_armv4(a, b, c)) - -#endif /* SILK_MACROS_ARMv4_H */ diff --git a/src/opus-1.1/silk/arm/macros_armv5e.h b/src/opus-1.1/silk/arm/macros_armv5e.h deleted file mode 100644 index aad4117e..00000000 --- a/src/opus-1.1/silk/arm/macros_armv5e.h +++ /dev/null @@ -1,213 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Copyright (c) 2013 Parrot -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_MACROS_ARMv5E_H -#define SILK_MACROS_ARMv5E_H - -/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */ -#undef silk_SMULWB -static OPUS_INLINE opus_int32 silk_SMULWB_armv5e(opus_int32 a, opus_int16 b) -{ - int res; - __asm__( - "#silk_SMULWB\n\t" - "smulwb %0, %1, %2\n\t" - : "=r"(res) - : "r"(a), "r"(b) - ); - return res; -} -#define silk_SMULWB(a, b) (silk_SMULWB_armv5e(a, b)) - -/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */ -#undef silk_SMLAWB -static OPUS_INLINE opus_int32 silk_SMLAWB_armv5e(opus_int32 a, opus_int32 b, - opus_int16 c) -{ - int res; - __asm__( - "#silk_SMLAWB\n\t" - "smlawb %0, %1, %2, %3\n\t" - : "=r"(res) - : "r"(b), "r"(c), "r"(a) - ); - return res; -} -#define silk_SMLAWB(a, b, c) (silk_SMLAWB_armv5e(a, b, c)) - -/* (a32 * (b32 >> 16)) >> 16 */ -#undef silk_SMULWT -static OPUS_INLINE opus_int32 silk_SMULWT_armv5e(opus_int32 a, opus_int32 b) -{ - int res; - __asm__( - "#silk_SMULWT\n\t" - "smulwt %0, %1, %2\n\t" - : "=r"(res) - : "r"(a), "r"(b) - ); - return res; -} -#define silk_SMULWT(a, b) (silk_SMULWT_armv5e(a, b)) - -/* a32 + (b32 * (c32 >> 16)) >> 16 */ -#undef silk_SMLAWT -static OPUS_INLINE opus_int32 silk_SMLAWT_armv5e(opus_int32 a, opus_int32 b, - opus_int32 c) -{ - int res; - __asm__( - "#silk_SMLAWT\n\t" - "smlawt %0, %1, %2, %3\n\t" - : "=r"(res) - : "r"(b), "r"(c), "r"(a) - ); - return res; -} -#define silk_SMLAWT(a, b, c) (silk_SMLAWT_armv5e(a, b, c)) - -/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */ -#undef silk_SMULBB -static OPUS_INLINE opus_int32 silk_SMULBB_armv5e(opus_int32 a, opus_int32 b) -{ - int res; - __asm__( - "#silk_SMULBB\n\t" - "smulbb %0, %1, %2\n\t" - : "=r"(res) - : "%r"(a), "r"(b) - ); - return res; -} -#define silk_SMULBB(a, b) (silk_SMULBB_armv5e(a, b)) - -/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */ -#undef silk_SMLABB -static OPUS_INLINE opus_int32 silk_SMLABB_armv5e(opus_int32 a, opus_int32 b, - opus_int32 c) -{ - int res; - __asm__( - "#silk_SMLABB\n\t" - "smlabb %0, %1, %2, %3\n\t" - : "=r"(res) - : "%r"(b), "r"(c), "r"(a) - ); - return res; -} -#define silk_SMLABB(a, b, c) (silk_SMLABB_armv5e(a, b, c)) - -/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */ -#undef silk_SMULBT -static OPUS_INLINE opus_int32 silk_SMULBT_armv5e(opus_int32 a, opus_int32 b) -{ - int res; - __asm__( - "#silk_SMULBT\n\t" - "smulbt %0, %1, %2\n\t" - : "=r"(res) - : "r"(a), "r"(b) - ); - return res; -} -#define silk_SMULBT(a, b) (silk_SMULBT_armv5e(a, b)) - -/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */ -#undef silk_SMLABT -static OPUS_INLINE opus_int32 silk_SMLABT_armv5e(opus_int32 a, opus_int32 b, - opus_int32 c) -{ - int res; - __asm__( - "#silk_SMLABT\n\t" - "smlabt %0, %1, %2, %3\n\t" - : "=r"(res) - : "r"(b), "r"(c), "r"(a) - ); - return res; -} -#define silk_SMLABT(a, b, c) (silk_SMLABT_armv5e(a, b, c)) - -/* add/subtract with output saturated */ -#undef silk_ADD_SAT32 -static OPUS_INLINE opus_int32 silk_ADD_SAT32_armv5e(opus_int32 a, opus_int32 b) -{ - int res; - __asm__( - "#silk_ADD_SAT32\n\t" - "qadd %0, %1, %2\n\t" - : "=r"(res) - : "%r"(a), "r"(b) - ); - return res; -} -#define silk_ADD_SAT32(a, b) (silk_ADD_SAT32_armv5e(a, b)) - -#undef silk_SUB_SAT32 -static OPUS_INLINE opus_int32 silk_SUB_SAT32_armv5e(opus_int32 a, opus_int32 b) -{ - int res; - __asm__( - "#silk_SUB_SAT32\n\t" - "qsub %0, %1, %2\n\t" - : "=r"(res) - : "r"(a), "r"(b) - ); - return res; -} -#define silk_SUB_SAT32(a, b) (silk_SUB_SAT32_armv5e(a, b)) - -#undef silk_CLZ16 -static OPUS_INLINE opus_int32 silk_CLZ16_armv5(opus_int16 in16) -{ - int res; - __asm__( - "#silk_CLZ16\n\t" - "clz %0, %1;\n" - : "=r"(res) - : "r"(in16<<16|0x8000) - ); - return res; -} -#define silk_CLZ16(in16) (silk_CLZ16_armv5(in16)) - -#undef silk_CLZ32 -static OPUS_INLINE opus_int32 silk_CLZ32_armv5(opus_int32 in32) -{ - int res; - __asm__( - "#silk_CLZ32\n\t" - "clz %0, %1\n\t" - : "=r"(res) - : "r"(in32) - ); - return res; -} -#define silk_CLZ32(in32) (silk_CLZ32_armv5(in32)) - -#endif /* SILK_MACROS_ARMv5E_H */ diff --git a/src/opus-1.1/silk/biquad_alt.c b/src/opus-1.1/silk/biquad_alt.c deleted file mode 100644 index d55f5ee9..00000000 --- a/src/opus-1.1/silk/biquad_alt.c +++ /dev/null @@ -1,78 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -/* * - * silk_biquad_alt.c * - * * - * Second order ARMA filter * - * Can handle slowly varying filter coefficients * - * */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Second order ARMA filter, alternative implementation */ -void silk_biquad_alt( - const opus_int16 *in, /* I input signal */ - const opus_int32 *B_Q28, /* I MA coefficients [3] */ - const opus_int32 *A_Q28, /* I AR coefficients [2] */ - opus_int32 *S, /* I/O State vector [2] */ - opus_int16 *out, /* O output signal */ - const opus_int32 len, /* I signal length (must be even) */ - opus_int stride /* I Operate on interleaved signal if > 1 */ -) -{ - /* DIRECT FORM II TRANSPOSED (uses 2 element state vector) */ - opus_int k; - opus_int32 inval, A0_U_Q28, A0_L_Q28, A1_U_Q28, A1_L_Q28, out32_Q14; - - /* Negate A_Q28 values and split in two parts */ - A0_L_Q28 = ( -A_Q28[ 0 ] ) & 0x00003FFF; /* lower part */ - A0_U_Q28 = silk_RSHIFT( -A_Q28[ 0 ], 14 ); /* upper part */ - A1_L_Q28 = ( -A_Q28[ 1 ] ) & 0x00003FFF; /* lower part */ - A1_U_Q28 = silk_RSHIFT( -A_Q28[ 1 ], 14 ); /* upper part */ - - for( k = 0; k < len; k++ ) { - /* S[ 0 ], S[ 1 ]: Q12 */ - inval = in[ k * stride ]; - out32_Q14 = silk_LSHIFT( silk_SMLAWB( S[ 0 ], B_Q28[ 0 ], inval ), 2 ); - - S[ 0 ] = S[1] + silk_RSHIFT_ROUND( silk_SMULWB( out32_Q14, A0_L_Q28 ), 14 ); - S[ 0 ] = silk_SMLAWB( S[ 0 ], out32_Q14, A0_U_Q28 ); - S[ 0 ] = silk_SMLAWB( S[ 0 ], B_Q28[ 1 ], inval); - - S[ 1 ] = silk_RSHIFT_ROUND( silk_SMULWB( out32_Q14, A1_L_Q28 ), 14 ); - S[ 1 ] = silk_SMLAWB( S[ 1 ], out32_Q14, A1_U_Q28 ); - S[ 1 ] = silk_SMLAWB( S[ 1 ], B_Q28[ 2 ], inval ); - - /* Scale back to Q0 and saturate */ - out[ k * stride ] = (opus_int16)silk_SAT16( silk_RSHIFT( out32_Q14 + (1<<14) - 1, 14 ) ); - } -} diff --git a/src/opus-1.1/silk/bwexpander.c b/src/opus-1.1/silk/bwexpander.c deleted file mode 100644 index 2eb44566..00000000 --- a/src/opus-1.1/silk/bwexpander.c +++ /dev/null @@ -1,51 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Chirp (bandwidth expand) LP AR filter */ -void silk_bwexpander( - opus_int16 *ar, /* I/O AR filter to be expanded (without leading 1) */ - const opus_int d, /* I Length of ar */ - opus_int32 chirp_Q16 /* I Chirp factor (typically in the range 0 to 1) */ -) -{ - opus_int i; - opus_int32 chirp_minus_one_Q16 = chirp_Q16 - 65536; - - /* NB: Dont use silk_SMULWB, instead of silk_RSHIFT_ROUND( silk_MUL(), 16 ), below. */ - /* Bias in silk_SMULWB can lead to unstable filters */ - for( i = 0; i < d - 1; i++ ) { - ar[ i ] = (opus_int16)silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, ar[ i ] ), 16 ); - chirp_Q16 += silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, chirp_minus_one_Q16 ), 16 ); - } - ar[ d - 1 ] = (opus_int16)silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, ar[ d - 1 ] ), 16 ); -} diff --git a/src/opus-1.1/silk/bwexpander_32.c b/src/opus-1.1/silk/bwexpander_32.c deleted file mode 100644 index d0010f73..00000000 --- a/src/opus-1.1/silk/bwexpander_32.c +++ /dev/null @@ -1,50 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Chirp (bandwidth expand) LP AR filter */ -void silk_bwexpander_32( - opus_int32 *ar, /* I/O AR filter to be expanded (without leading 1) */ - const opus_int d, /* I Length of ar */ - opus_int32 chirp_Q16 /* I Chirp factor in Q16 */ -) -{ - opus_int i; - opus_int32 chirp_minus_one_Q16 = chirp_Q16 - 65536; - - for( i = 0; i < d - 1; i++ ) { - ar[ i ] = silk_SMULWW( chirp_Q16, ar[ i ] ); - chirp_Q16 += silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, chirp_minus_one_Q16 ), 16 ); - } - ar[ d - 1 ] = silk_SMULWW( chirp_Q16, ar[ d - 1 ] ); -} - diff --git a/src/opus-1.1/silk/check_control_input.c b/src/opus-1.1/silk/check_control_input.c deleted file mode 100644 index b5de9ce4..00000000 --- a/src/opus-1.1/silk/check_control_input.c +++ /dev/null @@ -1,106 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "control.h" -#include "errors.h" - -/* Check encoder control struct */ -opus_int check_control_input( - silk_EncControlStruct *encControl /* I Control structure */ -) -{ - silk_assert( encControl != NULL ); - - if( ( ( encControl->API_sampleRate != 8000 ) && - ( encControl->API_sampleRate != 12000 ) && - ( encControl->API_sampleRate != 16000 ) && - ( encControl->API_sampleRate != 24000 ) && - ( encControl->API_sampleRate != 32000 ) && - ( encControl->API_sampleRate != 44100 ) && - ( encControl->API_sampleRate != 48000 ) ) || - ( ( encControl->desiredInternalSampleRate != 8000 ) && - ( encControl->desiredInternalSampleRate != 12000 ) && - ( encControl->desiredInternalSampleRate != 16000 ) ) || - ( ( encControl->maxInternalSampleRate != 8000 ) && - ( encControl->maxInternalSampleRate != 12000 ) && - ( encControl->maxInternalSampleRate != 16000 ) ) || - ( ( encControl->minInternalSampleRate != 8000 ) && - ( encControl->minInternalSampleRate != 12000 ) && - ( encControl->minInternalSampleRate != 16000 ) ) || - ( encControl->minInternalSampleRate > encControl->desiredInternalSampleRate ) || - ( encControl->maxInternalSampleRate < encControl->desiredInternalSampleRate ) || - ( encControl->minInternalSampleRate > encControl->maxInternalSampleRate ) ) { - silk_assert( 0 ); - return SILK_ENC_FS_NOT_SUPPORTED; - } - if( encControl->payloadSize_ms != 10 && - encControl->payloadSize_ms != 20 && - encControl->payloadSize_ms != 40 && - encControl->payloadSize_ms != 60 ) { - silk_assert( 0 ); - return SILK_ENC_PACKET_SIZE_NOT_SUPPORTED; - } - if( encControl->packetLossPercentage < 0 || encControl->packetLossPercentage > 100 ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_LOSS_RATE; - } - if( encControl->useDTX < 0 || encControl->useDTX > 1 ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_DTX_SETTING; - } - if( encControl->useCBR < 0 || encControl->useCBR > 1 ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_CBR_SETTING; - } - if( encControl->useInBandFEC < 0 || encControl->useInBandFEC > 1 ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_INBAND_FEC_SETTING; - } - if( encControl->nChannelsAPI < 1 || encControl->nChannelsAPI > ENCODER_NUM_CHANNELS ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_NUMBER_OF_CHANNELS_ERROR; - } - if( encControl->nChannelsInternal < 1 || encControl->nChannelsInternal > ENCODER_NUM_CHANNELS ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_NUMBER_OF_CHANNELS_ERROR; - } - if( encControl->nChannelsInternal > encControl->nChannelsAPI ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_NUMBER_OF_CHANNELS_ERROR; - } - if( encControl->complexity < 0 || encControl->complexity > 10 ) { - silk_assert( 0 ); - return SILK_ENC_INVALID_COMPLEXITY_SETTING; - } - - return SILK_NO_ERROR; -} diff --git a/src/opus-1.1/silk/code_signs.c b/src/opus-1.1/silk/code_signs.c deleted file mode 100644 index 0419ea26..00000000 --- a/src/opus-1.1/silk/code_signs.c +++ /dev/null @@ -1,115 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/*#define silk_enc_map(a) ((a) > 0 ? 1 : 0)*/ -/*#define silk_dec_map(a) ((a) > 0 ? 1 : -1)*/ -/* shifting avoids if-statement */ -#define silk_enc_map(a) ( silk_RSHIFT( (a), 15 ) + 1 ) -#define silk_dec_map(a) ( silk_LSHIFT( (a), 1 ) - 1 ) - -/* Encodes signs of excitation */ -void silk_encode_signs( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - const opus_int8 pulses[], /* I pulse signal */ - opus_int length, /* I length of input */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I Quantization offset type */ - const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ -) -{ - opus_int i, j, p; - opus_uint8 icdf[ 2 ]; - const opus_int8 *q_ptr; - const opus_uint8 *icdf_ptr; - - icdf[ 1 ] = 0; - q_ptr = pulses; - i = silk_SMULBB( 7, silk_ADD_LSHIFT( quantOffsetType, signalType, 1 ) ); - icdf_ptr = &silk_sign_iCDF[ i ]; - length = silk_RSHIFT( length + SHELL_CODEC_FRAME_LENGTH/2, LOG2_SHELL_CODEC_FRAME_LENGTH ); - for( i = 0; i < length; i++ ) { - p = sum_pulses[ i ]; - if( p > 0 ) { - icdf[ 0 ] = icdf_ptr[ silk_min( p & 0x1F, 6 ) ]; - for( j = 0; j < SHELL_CODEC_FRAME_LENGTH; j++ ) { - if( q_ptr[ j ] != 0 ) { - ec_enc_icdf( psRangeEnc, silk_enc_map( q_ptr[ j ]), icdf, 8 ); - } - } - } - q_ptr += SHELL_CODEC_FRAME_LENGTH; - } -} - -/* Decodes signs of excitation */ -void silk_decode_signs( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int pulses[], /* I/O pulse signal */ - opus_int length, /* I length of input */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I Quantization offset type */ - const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ -) -{ - opus_int i, j, p; - opus_uint8 icdf[ 2 ]; - opus_int *q_ptr; - const opus_uint8 *icdf_ptr; - - icdf[ 1 ] = 0; - q_ptr = pulses; - i = silk_SMULBB( 7, silk_ADD_LSHIFT( quantOffsetType, signalType, 1 ) ); - icdf_ptr = &silk_sign_iCDF[ i ]; - length = silk_RSHIFT( length + SHELL_CODEC_FRAME_LENGTH/2, LOG2_SHELL_CODEC_FRAME_LENGTH ); - for( i = 0; i < length; i++ ) { - p = sum_pulses[ i ]; - if( p > 0 ) { - icdf[ 0 ] = icdf_ptr[ silk_min( p & 0x1F, 6 ) ]; - for( j = 0; j < SHELL_CODEC_FRAME_LENGTH; j++ ) { - if( q_ptr[ j ] > 0 ) { - /* attach sign */ -#if 0 - /* conditional implementation */ - if( ec_dec_icdf( psRangeDec, icdf, 8 ) == 0 ) { - q_ptr[ j ] = -q_ptr[ j ]; - } -#else - /* implementation with shift, subtraction, multiplication */ - q_ptr[ j ] *= silk_dec_map( ec_dec_icdf( psRangeDec, icdf, 8 ) ); -#endif - } - } - } - q_ptr += SHELL_CODEC_FRAME_LENGTH; - } -} diff --git a/src/opus-1.1/silk/control.h b/src/opus-1.1/silk/control.h deleted file mode 100644 index 747e5426..00000000 --- a/src/opus-1.1/silk/control.h +++ /dev/null @@ -1,142 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_CONTROL_H -#define SILK_CONTROL_H - -#include "typedef.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Decoder API flags */ -#define FLAG_DECODE_NORMAL 0 -#define FLAG_PACKET_LOST 1 -#define FLAG_DECODE_LBRR 2 - -/***********************************************/ -/* Structure for controlling encoder operation */ -/***********************************************/ -typedef struct { - /* I: Number of channels; 1/2 */ - opus_int32 nChannelsAPI; - - /* I: Number of channels; 1/2 */ - opus_int32 nChannelsInternal; - - /* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */ - opus_int32 API_sampleRate; - - /* I: Maximum internal sampling rate in Hertz; 8000/12000/16000 */ - opus_int32 maxInternalSampleRate; - - /* I: Minimum internal sampling rate in Hertz; 8000/12000/16000 */ - opus_int32 minInternalSampleRate; - - /* I: Soft request for internal sampling rate in Hertz; 8000/12000/16000 */ - opus_int32 desiredInternalSampleRate; - - /* I: Number of samples per packet in milliseconds; 10/20/40/60 */ - opus_int payloadSize_ms; - - /* I: Bitrate during active speech in bits/second; internally limited */ - opus_int32 bitRate; - - /* I: Uplink packet loss in percent (0-100) */ - opus_int packetLossPercentage; - - /* I: Complexity mode; 0 is lowest, 10 is highest complexity */ - opus_int complexity; - - /* I: Flag to enable in-band Forward Error Correction (FEC); 0/1 */ - opus_int useInBandFEC; - - /* I: Flag to enable discontinuous transmission (DTX); 0/1 */ - opus_int useDTX; - - /* I: Flag to use constant bitrate */ - opus_int useCBR; - - /* I: Maximum number of bits allowed for the frame */ - opus_int maxBits; - - /* I: Causes a smooth downmix to mono */ - opus_int toMono; - - /* I: Opus encoder is allowing us to switch bandwidth */ - opus_int opusCanSwitch; - - /* I: Make frames as independent as possible (but still use LPC) */ - opus_int reducedDependency; - - /* O: Internal sampling rate used, in Hertz; 8000/12000/16000 */ - opus_int32 internalSampleRate; - - /* O: Flag that bandwidth switching is allowed (because low voice activity) */ - opus_int allowBandwidthSwitch; - - /* O: Flag that SILK runs in WB mode without variable LP filter (use for switching between WB/SWB/FB) */ - opus_int inWBmodeWithoutVariableLP; - - /* O: Stereo width */ - opus_int stereoWidth_Q14; - - /* O: Tells the Opus encoder we're ready to switch */ - opus_int switchReady; - -} silk_EncControlStruct; - -/**************************************************************************/ -/* Structure for controlling decoder operation and reading decoder status */ -/**************************************************************************/ -typedef struct { - /* I: Number of channels; 1/2 */ - opus_int32 nChannelsAPI; - - /* I: Number of channels; 1/2 */ - opus_int32 nChannelsInternal; - - /* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */ - opus_int32 API_sampleRate; - - /* I: Internal sampling rate used, in Hertz; 8000/12000/16000 */ - opus_int32 internalSampleRate; - - /* I: Number of samples per packet in milliseconds; 10/20/40/60 */ - opus_int payloadSize_ms; - - /* O: Pitch lag of previous frame (0 if unvoiced), measured in samples at 48 kHz */ - opus_int prevPitchLag; -} silk_DecControlStruct; - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/control_SNR.c b/src/opus-1.1/silk/control_SNR.c deleted file mode 100644 index f04e69fc..00000000 --- a/src/opus-1.1/silk/control_SNR.c +++ /dev/null @@ -1,81 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "tuning_parameters.h" - -/* Control SNR of redidual quantizer */ -opus_int silk_control_SNR( - silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ - opus_int32 TargetRate_bps /* I Target max bitrate (bps) */ -) -{ - opus_int k, ret = SILK_NO_ERROR; - opus_int32 frac_Q6; - const opus_int32 *rateTable; - - /* Set bitrate/coding quality */ - TargetRate_bps = silk_LIMIT( TargetRate_bps, MIN_TARGET_RATE_BPS, MAX_TARGET_RATE_BPS ); - if( TargetRate_bps != psEncC->TargetRate_bps ) { - psEncC->TargetRate_bps = TargetRate_bps; - - /* If new TargetRate_bps, translate to SNR_dB value */ - if( psEncC->fs_kHz == 8 ) { - rateTable = silk_TargetRate_table_NB; - } else if( psEncC->fs_kHz == 12 ) { - rateTable = silk_TargetRate_table_MB; - } else { - rateTable = silk_TargetRate_table_WB; - } - - /* Reduce bitrate for 10 ms modes in these calculations */ - if( psEncC->nb_subfr == 2 ) { - TargetRate_bps -= REDUCE_BITRATE_10_MS_BPS; - } - - /* Find bitrate interval in table and interpolate */ - for( k = 1; k < TARGET_RATE_TAB_SZ; k++ ) { - if( TargetRate_bps <= rateTable[ k ] ) { - frac_Q6 = silk_DIV32( silk_LSHIFT( TargetRate_bps - rateTable[ k - 1 ], 6 ), - rateTable[ k ] - rateTable[ k - 1 ] ); - psEncC->SNR_dB_Q7 = silk_LSHIFT( silk_SNR_table_Q1[ k - 1 ], 6 ) + silk_MUL( frac_Q6, silk_SNR_table_Q1[ k ] - silk_SNR_table_Q1[ k - 1 ] ); - break; - } - } - - /* Reduce coding quality whenever LBRR is enabled, to free up some bits */ - if( psEncC->LBRR_enabled ) { - psEncC->SNR_dB_Q7 = silk_SMLABB( psEncC->SNR_dB_Q7, 12 - psEncC->LBRR_GainIncreases, SILK_FIX_CONST( -0.25, 7 ) ); - } - } - - return ret; -} diff --git a/src/opus-1.1/silk/control_audio_bandwidth.c b/src/opus-1.1/silk/control_audio_bandwidth.c deleted file mode 100644 index 4f9bc5cb..00000000 --- a/src/opus-1.1/silk/control_audio_bandwidth.c +++ /dev/null @@ -1,126 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "tuning_parameters.h" - -/* Control internal sampling rate */ -opus_int silk_control_audio_bandwidth( - silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ - silk_EncControlStruct *encControl /* I Control structure */ -) -{ - opus_int fs_kHz; - opus_int32 fs_Hz; - - fs_kHz = psEncC->fs_kHz; - fs_Hz = silk_SMULBB( fs_kHz, 1000 ); - if( fs_Hz == 0 ) { - /* Encoder has just been initialized */ - fs_Hz = silk_min( psEncC->desiredInternal_fs_Hz, psEncC->API_fs_Hz ); - fs_kHz = silk_DIV32_16( fs_Hz, 1000 ); - } else if( fs_Hz > psEncC->API_fs_Hz || fs_Hz > psEncC->maxInternal_fs_Hz || fs_Hz < psEncC->minInternal_fs_Hz ) { - /* Make sure internal rate is not higher than external rate or maximum allowed, or lower than minimum allowed */ - fs_Hz = psEncC->API_fs_Hz; - fs_Hz = silk_min( fs_Hz, psEncC->maxInternal_fs_Hz ); - fs_Hz = silk_max( fs_Hz, psEncC->minInternal_fs_Hz ); - fs_kHz = silk_DIV32_16( fs_Hz, 1000 ); - } else { - /* State machine for the internal sampling rate switching */ - if( psEncC->sLP.transition_frame_no >= TRANSITION_FRAMES ) { - /* Stop transition phase */ - psEncC->sLP.mode = 0; - } - if( psEncC->allow_bandwidth_switch || encControl->opusCanSwitch ) { - /* Check if we should switch down */ - if( silk_SMULBB( psEncC->fs_kHz, 1000 ) > psEncC->desiredInternal_fs_Hz ) - { - /* Switch down */ - if( psEncC->sLP.mode == 0 ) { - /* New transition */ - psEncC->sLP.transition_frame_no = TRANSITION_FRAMES; - - /* Reset transition filter state */ - silk_memset( psEncC->sLP.In_LP_State, 0, sizeof( psEncC->sLP.In_LP_State ) ); - } - if( encControl->opusCanSwitch ) { - /* Stop transition phase */ - psEncC->sLP.mode = 0; - - /* Switch to a lower sample frequency */ - fs_kHz = psEncC->fs_kHz == 16 ? 12 : 8; - } else { - if( psEncC->sLP.transition_frame_no <= 0 ) { - encControl->switchReady = 1; - /* Make room for redundancy */ - encControl->maxBits -= encControl->maxBits * 5 / ( encControl->payloadSize_ms + 5 ); - } else { - /* Direction: down (at double speed) */ - psEncC->sLP.mode = -2; - } - } - } - else - /* Check if we should switch up */ - if( silk_SMULBB( psEncC->fs_kHz, 1000 ) < psEncC->desiredInternal_fs_Hz ) - { - /* Switch up */ - if( encControl->opusCanSwitch ) { - /* Switch to a higher sample frequency */ - fs_kHz = psEncC->fs_kHz == 8 ? 12 : 16; - - /* New transition */ - psEncC->sLP.transition_frame_no = 0; - - /* Reset transition filter state */ - silk_memset( psEncC->sLP.In_LP_State, 0, sizeof( psEncC->sLP.In_LP_State ) ); - - /* Direction: up */ - psEncC->sLP.mode = 1; - } else { - if( psEncC->sLP.mode == 0 ) { - encControl->switchReady = 1; - /* Make room for redundancy */ - encControl->maxBits -= encControl->maxBits * 5 / ( encControl->payloadSize_ms + 5 ); - } else { - /* Direction: up */ - psEncC->sLP.mode = 1; - } - } - } else { - if (psEncC->sLP.mode<0) - psEncC->sLP.mode = 1; - } - } - } - - return fs_kHz; -} diff --git a/src/opus-1.1/silk/control_codec.c b/src/opus-1.1/silk/control_codec.c deleted file mode 100644 index 1f674bdd..00000000 --- a/src/opus-1.1/silk/control_codec.c +++ /dev/null @@ -1,422 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#ifdef FIXED_POINT -#include "main_FIX.h" -#define silk_encoder_state_Fxx silk_encoder_state_FIX -#else -#include "main_FLP.h" -#define silk_encoder_state_Fxx silk_encoder_state_FLP -#endif -#include "stack_alloc.h" -#include "tuning_parameters.h" -#include "pitch_est_defines.h" - -static opus_int silk_setup_resamplers( - silk_encoder_state_Fxx *psEnc, /* I/O */ - opus_int fs_kHz /* I */ -); - -static opus_int silk_setup_fs( - silk_encoder_state_Fxx *psEnc, /* I/O */ - opus_int fs_kHz, /* I */ - opus_int PacketSize_ms /* I */ -); - -static opus_int silk_setup_complexity( - silk_encoder_state *psEncC, /* I/O */ - opus_int Complexity /* I */ -); - -static OPUS_INLINE opus_int silk_setup_LBRR( - silk_encoder_state *psEncC, /* I/O */ - const opus_int32 TargetRate_bps /* I */ -); - - -/* Control encoder */ -opus_int silk_control_encoder( - silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk encoder state */ - silk_EncControlStruct *encControl, /* I Control structure */ - const opus_int32 TargetRate_bps, /* I Target max bitrate (bps) */ - const opus_int allow_bw_switch, /* I Flag to allow switching audio bandwidth */ - const opus_int channelNb, /* I Channel number */ - const opus_int force_fs_kHz -) -{ - opus_int fs_kHz, ret = 0; - - psEnc->sCmn.useDTX = encControl->useDTX; - psEnc->sCmn.useCBR = encControl->useCBR; - psEnc->sCmn.API_fs_Hz = encControl->API_sampleRate; - psEnc->sCmn.maxInternal_fs_Hz = encControl->maxInternalSampleRate; - psEnc->sCmn.minInternal_fs_Hz = encControl->minInternalSampleRate; - psEnc->sCmn.desiredInternal_fs_Hz = encControl->desiredInternalSampleRate; - psEnc->sCmn.useInBandFEC = encControl->useInBandFEC; - psEnc->sCmn.nChannelsAPI = encControl->nChannelsAPI; - psEnc->sCmn.nChannelsInternal = encControl->nChannelsInternal; - psEnc->sCmn.allow_bandwidth_switch = allow_bw_switch; - psEnc->sCmn.channelNb = channelNb; - - if( psEnc->sCmn.controlled_since_last_payload != 0 && psEnc->sCmn.prefillFlag == 0 ) { - if( psEnc->sCmn.API_fs_Hz != psEnc->sCmn.prev_API_fs_Hz && psEnc->sCmn.fs_kHz > 0 ) { - /* Change in API sampling rate in the middle of encoding a packet */ - ret += silk_setup_resamplers( psEnc, psEnc->sCmn.fs_kHz ); - } - return ret; - } - - /* Beyond this point we know that there are no previously coded frames in the payload buffer */ - - /********************************************/ - /* Determine internal sampling rate */ - /********************************************/ - fs_kHz = silk_control_audio_bandwidth( &psEnc->sCmn, encControl ); - if( force_fs_kHz ) { - fs_kHz = force_fs_kHz; - } - /********************************************/ - /* Prepare resampler and buffered data */ - /********************************************/ - ret += silk_setup_resamplers( psEnc, fs_kHz ); - - /********************************************/ - /* Set internal sampling frequency */ - /********************************************/ - ret += silk_setup_fs( psEnc, fs_kHz, encControl->payloadSize_ms ); - - /********************************************/ - /* Set encoding complexity */ - /********************************************/ - ret += silk_setup_complexity( &psEnc->sCmn, encControl->complexity ); - - /********************************************/ - /* Set packet loss rate measured by farend */ - /********************************************/ - psEnc->sCmn.PacketLoss_perc = encControl->packetLossPercentage; - - /********************************************/ - /* Set LBRR usage */ - /********************************************/ - ret += silk_setup_LBRR( &psEnc->sCmn, TargetRate_bps ); - - psEnc->sCmn.controlled_since_last_payload = 1; - - return ret; -} - -static opus_int silk_setup_resamplers( - silk_encoder_state_Fxx *psEnc, /* I/O */ - opus_int fs_kHz /* I */ -) -{ - opus_int ret = SILK_NO_ERROR; - SAVE_STACK; - - if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != psEnc->sCmn.API_fs_Hz ) - { - if( psEnc->sCmn.fs_kHz == 0 ) { - /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */ - ret += silk_resampler_init( &psEnc->sCmn.resampler_state, psEnc->sCmn.API_fs_Hz, fs_kHz * 1000, 1 ); - } else { - VARDECL( opus_int16, x_buf_API_fs_Hz ); - VARDECL( silk_resampler_state_struct, temp_resampler_state ); -#ifdef FIXED_POINT - opus_int16 *x_bufFIX = psEnc->x_buf; -#else - VARDECL( opus_int16, x_bufFIX ); - opus_int32 new_buf_samples; -#endif - opus_int32 api_buf_samples; - opus_int32 old_buf_samples; - opus_int32 buf_length_ms; - - buf_length_ms = silk_LSHIFT( psEnc->sCmn.nb_subfr * 5, 1 ) + LA_SHAPE_MS; - old_buf_samples = buf_length_ms * psEnc->sCmn.fs_kHz; - -#ifndef FIXED_POINT - new_buf_samples = buf_length_ms * fs_kHz; - ALLOC( x_bufFIX, silk_max( old_buf_samples, new_buf_samples ), - opus_int16 ); - silk_float2short_array( x_bufFIX, psEnc->x_buf, old_buf_samples ); -#endif - - /* Initialize resampler for temporary resampling of x_buf data to API_fs_Hz */ - ALLOC( temp_resampler_state, 1, silk_resampler_state_struct ); - ret += silk_resampler_init( temp_resampler_state, silk_SMULBB( psEnc->sCmn.fs_kHz, 1000 ), psEnc->sCmn.API_fs_Hz, 0 ); - - /* Calculate number of samples to temporarily upsample */ - api_buf_samples = buf_length_ms * silk_DIV32_16( psEnc->sCmn.API_fs_Hz, 1000 ); - - /* Temporary resampling of x_buf data to API_fs_Hz */ - ALLOC( x_buf_API_fs_Hz, api_buf_samples, opus_int16 ); - ret += silk_resampler( temp_resampler_state, x_buf_API_fs_Hz, x_bufFIX, old_buf_samples ); - - /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */ - ret += silk_resampler_init( &psEnc->sCmn.resampler_state, psEnc->sCmn.API_fs_Hz, silk_SMULBB( fs_kHz, 1000 ), 1 ); - - /* Correct resampler state by resampling buffered data from API_fs_Hz to fs_kHz */ - ret += silk_resampler( &psEnc->sCmn.resampler_state, x_bufFIX, x_buf_API_fs_Hz, api_buf_samples ); - -#ifndef FIXED_POINT - silk_short2float_array( psEnc->x_buf, x_bufFIX, new_buf_samples); -#endif - } - } - - psEnc->sCmn.prev_API_fs_Hz = psEnc->sCmn.API_fs_Hz; - - RESTORE_STACK; - return ret; -} - -static opus_int silk_setup_fs( - silk_encoder_state_Fxx *psEnc, /* I/O */ - opus_int fs_kHz, /* I */ - opus_int PacketSize_ms /* I */ -) -{ - opus_int ret = SILK_NO_ERROR; - - /* Set packet size */ - if( PacketSize_ms != psEnc->sCmn.PacketSize_ms ) { - if( ( PacketSize_ms != 10 ) && - ( PacketSize_ms != 20 ) && - ( PacketSize_ms != 40 ) && - ( PacketSize_ms != 60 ) ) { - ret = SILK_ENC_PACKET_SIZE_NOT_SUPPORTED; - } - if( PacketSize_ms <= 10 ) { - psEnc->sCmn.nFramesPerPacket = 1; - psEnc->sCmn.nb_subfr = PacketSize_ms == 10 ? 2 : 1; - psEnc->sCmn.frame_length = silk_SMULBB( PacketSize_ms, fs_kHz ); - psEnc->sCmn.pitch_LPC_win_length = silk_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, fs_kHz ); - if( psEnc->sCmn.fs_kHz == 8 ) { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_10_ms_NB_iCDF; - } else { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_10_ms_iCDF; - } - } else { - psEnc->sCmn.nFramesPerPacket = silk_DIV32_16( PacketSize_ms, MAX_FRAME_LENGTH_MS ); - psEnc->sCmn.nb_subfr = MAX_NB_SUBFR; - psEnc->sCmn.frame_length = silk_SMULBB( 20, fs_kHz ); - psEnc->sCmn.pitch_LPC_win_length = silk_SMULBB( FIND_PITCH_LPC_WIN_MS, fs_kHz ); - if( psEnc->sCmn.fs_kHz == 8 ) { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_NB_iCDF; - } else { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_iCDF; - } - } - psEnc->sCmn.PacketSize_ms = PacketSize_ms; - psEnc->sCmn.TargetRate_bps = 0; /* trigger new SNR computation */ - } - - /* Set internal sampling frequency */ - silk_assert( fs_kHz == 8 || fs_kHz == 12 || fs_kHz == 16 ); - silk_assert( psEnc->sCmn.nb_subfr == 2 || psEnc->sCmn.nb_subfr == 4 ); - if( psEnc->sCmn.fs_kHz != fs_kHz ) { - /* reset part of the state */ - silk_memset( &psEnc->sShape, 0, sizeof( psEnc->sShape ) ); - silk_memset( &psEnc->sPrefilt, 0, sizeof( psEnc->sPrefilt ) ); - silk_memset( &psEnc->sCmn.sNSQ, 0, sizeof( psEnc->sCmn.sNSQ ) ); - silk_memset( psEnc->sCmn.prev_NLSFq_Q15, 0, sizeof( psEnc->sCmn.prev_NLSFq_Q15 ) ); - silk_memset( &psEnc->sCmn.sLP.In_LP_State, 0, sizeof( psEnc->sCmn.sLP.In_LP_State ) ); - psEnc->sCmn.inputBufIx = 0; - psEnc->sCmn.nFramesEncoded = 0; - psEnc->sCmn.TargetRate_bps = 0; /* trigger new SNR computation */ - - /* Initialize non-zero parameters */ - psEnc->sCmn.prevLag = 100; - psEnc->sCmn.first_frame_after_reset = 1; - psEnc->sPrefilt.lagPrev = 100; - psEnc->sShape.LastGainIndex = 10; - psEnc->sCmn.sNSQ.lagPrev = 100; - psEnc->sCmn.sNSQ.prev_gain_Q16 = 65536; - psEnc->sCmn.prevSignalType = TYPE_NO_VOICE_ACTIVITY; - - psEnc->sCmn.fs_kHz = fs_kHz; - if( psEnc->sCmn.fs_kHz == 8 ) { - if( psEnc->sCmn.nb_subfr == MAX_NB_SUBFR ) { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_NB_iCDF; - } else { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_10_ms_NB_iCDF; - } - } else { - if( psEnc->sCmn.nb_subfr == MAX_NB_SUBFR ) { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_iCDF; - } else { - psEnc->sCmn.pitch_contour_iCDF = silk_pitch_contour_10_ms_iCDF; - } - } - if( psEnc->sCmn.fs_kHz == 8 || psEnc->sCmn.fs_kHz == 12 ) { - psEnc->sCmn.predictLPCOrder = MIN_LPC_ORDER; - psEnc->sCmn.psNLSF_CB = &silk_NLSF_CB_NB_MB; - } else { - psEnc->sCmn.predictLPCOrder = MAX_LPC_ORDER; - psEnc->sCmn.psNLSF_CB = &silk_NLSF_CB_WB; - } - psEnc->sCmn.subfr_length = SUB_FRAME_LENGTH_MS * fs_kHz; - psEnc->sCmn.frame_length = silk_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr ); - psEnc->sCmn.ltp_mem_length = silk_SMULBB( LTP_MEM_LENGTH_MS, fs_kHz ); - psEnc->sCmn.la_pitch = silk_SMULBB( LA_PITCH_MS, fs_kHz ); - psEnc->sCmn.max_pitch_lag = silk_SMULBB( 18, fs_kHz ); - if( psEnc->sCmn.nb_subfr == MAX_NB_SUBFR ) { - psEnc->sCmn.pitch_LPC_win_length = silk_SMULBB( FIND_PITCH_LPC_WIN_MS, fs_kHz ); - } else { - psEnc->sCmn.pitch_LPC_win_length = silk_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, fs_kHz ); - } - if( psEnc->sCmn.fs_kHz == 16 ) { - psEnc->sCmn.mu_LTP_Q9 = SILK_FIX_CONST( MU_LTP_QUANT_WB, 9 ); - psEnc->sCmn.pitch_lag_low_bits_iCDF = silk_uniform8_iCDF; - } else if( psEnc->sCmn.fs_kHz == 12 ) { - psEnc->sCmn.mu_LTP_Q9 = SILK_FIX_CONST( MU_LTP_QUANT_MB, 9 ); - psEnc->sCmn.pitch_lag_low_bits_iCDF = silk_uniform6_iCDF; - } else { - psEnc->sCmn.mu_LTP_Q9 = SILK_FIX_CONST( MU_LTP_QUANT_NB, 9 ); - psEnc->sCmn.pitch_lag_low_bits_iCDF = silk_uniform4_iCDF; - } - } - - /* Check that settings are valid */ - silk_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->sCmn.frame_length ); - - return ret; -} - -static opus_int silk_setup_complexity( - silk_encoder_state *psEncC, /* I/O */ - opus_int Complexity /* I */ -) -{ - opus_int ret = 0; - - /* Set encoding complexity */ - silk_assert( Complexity >= 0 && Complexity <= 10 ); - if( Complexity < 2 ) { - psEncC->pitchEstimationComplexity = SILK_PE_MIN_COMPLEX; - psEncC->pitchEstimationThreshold_Q16 = SILK_FIX_CONST( 0.8, 16 ); - psEncC->pitchEstimationLPCOrder = 6; - psEncC->shapingLPCOrder = 8; - psEncC->la_shape = 3 * psEncC->fs_kHz; - psEncC->nStatesDelayedDecision = 1; - psEncC->useInterpolatedNLSFs = 0; - psEncC->LTPQuantLowComplexity = 1; - psEncC->NLSF_MSVQ_Survivors = 2; - psEncC->warping_Q16 = 0; - } else if( Complexity < 4 ) { - psEncC->pitchEstimationComplexity = SILK_PE_MID_COMPLEX; - psEncC->pitchEstimationThreshold_Q16 = SILK_FIX_CONST( 0.76, 16 ); - psEncC->pitchEstimationLPCOrder = 8; - psEncC->shapingLPCOrder = 10; - psEncC->la_shape = 5 * psEncC->fs_kHz; - psEncC->nStatesDelayedDecision = 1; - psEncC->useInterpolatedNLSFs = 0; - psEncC->LTPQuantLowComplexity = 0; - psEncC->NLSF_MSVQ_Survivors = 4; - psEncC->warping_Q16 = 0; - } else if( Complexity < 6 ) { - psEncC->pitchEstimationComplexity = SILK_PE_MID_COMPLEX; - psEncC->pitchEstimationThreshold_Q16 = SILK_FIX_CONST( 0.74, 16 ); - psEncC->pitchEstimationLPCOrder = 10; - psEncC->shapingLPCOrder = 12; - psEncC->la_shape = 5 * psEncC->fs_kHz; - psEncC->nStatesDelayedDecision = 2; - psEncC->useInterpolatedNLSFs = 1; - psEncC->LTPQuantLowComplexity = 0; - psEncC->NLSF_MSVQ_Survivors = 8; - psEncC->warping_Q16 = psEncC->fs_kHz * SILK_FIX_CONST( WARPING_MULTIPLIER, 16 ); - } else if( Complexity < 8 ) { - psEncC->pitchEstimationComplexity = SILK_PE_MID_COMPLEX; - psEncC->pitchEstimationThreshold_Q16 = SILK_FIX_CONST( 0.72, 16 ); - psEncC->pitchEstimationLPCOrder = 12; - psEncC->shapingLPCOrder = 14; - psEncC->la_shape = 5 * psEncC->fs_kHz; - psEncC->nStatesDelayedDecision = 3; - psEncC->useInterpolatedNLSFs = 1; - psEncC->LTPQuantLowComplexity = 0; - psEncC->NLSF_MSVQ_Survivors = 16; - psEncC->warping_Q16 = psEncC->fs_kHz * SILK_FIX_CONST( WARPING_MULTIPLIER, 16 ); - } else { - psEncC->pitchEstimationComplexity = SILK_PE_MAX_COMPLEX; - psEncC->pitchEstimationThreshold_Q16 = SILK_FIX_CONST( 0.7, 16 ); - psEncC->pitchEstimationLPCOrder = 16; - psEncC->shapingLPCOrder = 16; - psEncC->la_shape = 5 * psEncC->fs_kHz; - psEncC->nStatesDelayedDecision = MAX_DEL_DEC_STATES; - psEncC->useInterpolatedNLSFs = 1; - psEncC->LTPQuantLowComplexity = 0; - psEncC->NLSF_MSVQ_Survivors = 32; - psEncC->warping_Q16 = psEncC->fs_kHz * SILK_FIX_CONST( WARPING_MULTIPLIER, 16 ); - } - - /* Do not allow higher pitch estimation LPC order than predict LPC order */ - psEncC->pitchEstimationLPCOrder = silk_min_int( psEncC->pitchEstimationLPCOrder, psEncC->predictLPCOrder ); - psEncC->shapeWinLength = SUB_FRAME_LENGTH_MS * psEncC->fs_kHz + 2 * psEncC->la_shape; - psEncC->Complexity = Complexity; - - silk_assert( psEncC->pitchEstimationLPCOrder <= MAX_FIND_PITCH_LPC_ORDER ); - silk_assert( psEncC->shapingLPCOrder <= MAX_SHAPE_LPC_ORDER ); - silk_assert( psEncC->nStatesDelayedDecision <= MAX_DEL_DEC_STATES ); - silk_assert( psEncC->warping_Q16 <= 32767 ); - silk_assert( psEncC->la_shape <= LA_SHAPE_MAX ); - silk_assert( psEncC->shapeWinLength <= SHAPE_LPC_WIN_MAX ); - silk_assert( psEncC->NLSF_MSVQ_Survivors <= NLSF_VQ_MAX_SURVIVORS ); - - return ret; -} - -static OPUS_INLINE opus_int silk_setup_LBRR( - silk_encoder_state *psEncC, /* I/O */ - const opus_int32 TargetRate_bps /* I */ -) -{ - opus_int ret = SILK_NO_ERROR; - opus_int32 LBRR_rate_thres_bps; - - psEncC->LBRR_enabled = 0; - if( psEncC->useInBandFEC && psEncC->PacketLoss_perc > 0 ) { - if( psEncC->fs_kHz == 8 ) { - LBRR_rate_thres_bps = LBRR_NB_MIN_RATE_BPS; - } else if( psEncC->fs_kHz == 12 ) { - LBRR_rate_thres_bps = LBRR_MB_MIN_RATE_BPS; - } else { - LBRR_rate_thres_bps = LBRR_WB_MIN_RATE_BPS; - } - LBRR_rate_thres_bps = silk_SMULWB( silk_MUL( LBRR_rate_thres_bps, 125 - silk_min( psEncC->PacketLoss_perc, 25 ) ), SILK_FIX_CONST( 0.01, 16 ) ); - - if( TargetRate_bps > LBRR_rate_thres_bps ) { - /* Set gain increase for coding LBRR excitation */ - psEncC->LBRR_enabled = 1; - psEncC->LBRR_GainIncreases = silk_max_int( 7 - silk_SMULWB( (opus_int32)psEncC->PacketLoss_perc, SILK_FIX_CONST( 0.4, 16 ) ), 2 ); - } - } - - return ret; -} diff --git a/src/opus-1.1/silk/debug.c b/src/opus-1.1/silk/debug.c deleted file mode 100644 index 9253faf7..00000000 --- a/src/opus-1.1/silk/debug.c +++ /dev/null @@ -1,170 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "debug.h" -#include "SigProc_FIX.h" - -#if SILK_TIC_TOC - -#ifdef _WIN32 - -#if (defined(_WIN32) || defined(_WINCE)) -#include <windows.h> /* timer */ -#else /* Linux or Mac*/ -#include <sys/time.h> -#endif - -unsigned long silk_GetHighResolutionTime(void) /* O time in usec*/ -{ - /* Returns a time counter in microsec */ - /* the resolution is platform dependent */ - /* but is typically 1.62 us resolution */ - LARGE_INTEGER lpPerformanceCount; - LARGE_INTEGER lpFrequency; - QueryPerformanceCounter(&lpPerformanceCount); - QueryPerformanceFrequency(&lpFrequency); - return (unsigned long)((1000000*(lpPerformanceCount.QuadPart)) / lpFrequency.QuadPart); -} -#else /* Linux or Mac*/ -unsigned long GetHighResolutionTime(void) /* O time in usec*/ -{ - struct timeval tv; - gettimeofday(&tv, 0); - return((tv.tv_sec*1000000)+(tv.tv_usec)); -} -#endif - -int silk_Timer_nTimers = 0; -int silk_Timer_depth_ctr = 0; -char silk_Timer_tags[silk_NUM_TIMERS_MAX][silk_NUM_TIMERS_MAX_TAG_LEN]; -#ifdef WIN32 -LARGE_INTEGER silk_Timer_start[silk_NUM_TIMERS_MAX]; -#else -unsigned long silk_Timer_start[silk_NUM_TIMERS_MAX]; -#endif -unsigned int silk_Timer_cnt[silk_NUM_TIMERS_MAX]; -opus_int64 silk_Timer_min[silk_NUM_TIMERS_MAX]; -opus_int64 silk_Timer_sum[silk_NUM_TIMERS_MAX]; -opus_int64 silk_Timer_max[silk_NUM_TIMERS_MAX]; -opus_int64 silk_Timer_depth[silk_NUM_TIMERS_MAX]; - -#ifdef WIN32 -void silk_TimerSave(char *file_name) -{ - if( silk_Timer_nTimers > 0 ) - { - int k; - FILE *fp; - LARGE_INTEGER lpFrequency; - LARGE_INTEGER lpPerformanceCount1, lpPerformanceCount2; - int del = 0x7FFFFFFF; - double avg, sum_avg; - /* estimate overhead of calling performance counters */ - for( k = 0; k < 1000; k++ ) { - QueryPerformanceCounter(&lpPerformanceCount1); - QueryPerformanceCounter(&lpPerformanceCount2); - lpPerformanceCount2.QuadPart -= lpPerformanceCount1.QuadPart; - if( (int)lpPerformanceCount2.LowPart < del ) - del = lpPerformanceCount2.LowPart; - } - QueryPerformanceFrequency(&lpFrequency); - /* print results to file */ - sum_avg = 0.0f; - for( k = 0; k < silk_Timer_nTimers; k++ ) { - if (silk_Timer_depth[k] == 0) { - sum_avg += (1e6 * silk_Timer_sum[k] / silk_Timer_cnt[k] - del) / lpFrequency.QuadPart * silk_Timer_cnt[k]; - } - } - fp = fopen(file_name, "w"); - fprintf(fp, " min avg %% max count\n"); - for( k = 0; k < silk_Timer_nTimers; k++ ) { - if (silk_Timer_depth[k] == 0) { - fprintf(fp, "%-28s", silk_Timer_tags[k]); - } else if (silk_Timer_depth[k] == 1) { - fprintf(fp, " %-27s", silk_Timer_tags[k]); - } else if (silk_Timer_depth[k] == 2) { - fprintf(fp, " %-26s", silk_Timer_tags[k]); - } else if (silk_Timer_depth[k] == 3) { - fprintf(fp, " %-25s", silk_Timer_tags[k]); - } else { - fprintf(fp, " %-24s", silk_Timer_tags[k]); - } - avg = (1e6 * silk_Timer_sum[k] / silk_Timer_cnt[k] - del) / lpFrequency.QuadPart; - fprintf(fp, "%8.2f", (1e6 * (silk_max_64(silk_Timer_min[k] - del, 0))) / lpFrequency.QuadPart); - fprintf(fp, "%12.2f %6.2f", avg, 100.0 * avg / sum_avg * silk_Timer_cnt[k]); - fprintf(fp, "%12.2f", (1e6 * (silk_max_64(silk_Timer_max[k] - del, 0))) / lpFrequency.QuadPart); - fprintf(fp, "%10d\n", silk_Timer_cnt[k]); - } - fprintf(fp, " microseconds\n"); - fclose(fp); - } -} -#else -void silk_TimerSave(char *file_name) -{ - if( silk_Timer_nTimers > 0 ) - { - int k; - FILE *fp; - /* print results to file */ - fp = fopen(file_name, "w"); - fprintf(fp, " min avg max count\n"); - for( k = 0; k < silk_Timer_nTimers; k++ ) - { - if (silk_Timer_depth[k] == 0) { - fprintf(fp, "%-28s", silk_Timer_tags[k]); - } else if (silk_Timer_depth[k] == 1) { - fprintf(fp, " %-27s", silk_Timer_tags[k]); - } else if (silk_Timer_depth[k] == 2) { - fprintf(fp, " %-26s", silk_Timer_tags[k]); - } else if (silk_Timer_depth[k] == 3) { - fprintf(fp, " %-25s", silk_Timer_tags[k]); - } else { - fprintf(fp, " %-24s", silk_Timer_tags[k]); - } - fprintf(fp, "%d ", silk_Timer_min[k]); - fprintf(fp, "%f ", (double)silk_Timer_sum[k] / (double)silk_Timer_cnt[k]); - fprintf(fp, "%d ", silk_Timer_max[k]); - fprintf(fp, "%10d\n", silk_Timer_cnt[k]); - } - fprintf(fp, " microseconds\n"); - fclose(fp); - } -} -#endif - -#endif /* SILK_TIC_TOC */ - -#if SILK_DEBUG -FILE *silk_debug_store_fp[ silk_NUM_STORES_MAX ]; -int silk_debug_store_count = 0; -#endif /* SILK_DEBUG */ - diff --git a/src/opus-1.1/silk/debug.h b/src/opus-1.1/silk/debug.h deleted file mode 100644 index efb6d3e9..00000000 --- a/src/opus-1.1/silk/debug.h +++ /dev/null @@ -1,279 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_DEBUG_H -#define SILK_DEBUG_H - -#include "typedef.h" -#include <stdio.h> /* file writing */ -#include <string.h> /* strcpy, strcmp */ - -#ifdef __cplusplus -extern "C" -{ -#endif - -unsigned long GetHighResolutionTime(void); /* O time in usec*/ - -/* make SILK_DEBUG dependent on compiler's _DEBUG */ -#if defined _WIN32 - #ifdef _DEBUG - #define SILK_DEBUG 1 - #else - #define SILK_DEBUG 0 - #endif - - /* overrule the above */ - #if 0 - /* #define NO_ASSERTS*/ - #undef SILK_DEBUG - #define SILK_DEBUG 1 - #endif -#else - #define SILK_DEBUG 0 -#endif - -/* Flag for using timers */ -#define SILK_TIC_TOC 0 - - -#if SILK_TIC_TOC - -#if (defined(_WIN32) || defined(_WINCE)) -#include <windows.h> /* timer */ -#else /* Linux or Mac*/ -#include <sys/time.h> -#endif - -/*********************************/ -/* timer functions for profiling */ -/*********************************/ -/* example: */ -/* */ -/* TIC(LPC) */ -/* do_LPC(in_vec, order, acoef); // do LPC analysis */ -/* TOC(LPC) */ -/* */ -/* and call the following just before exiting (from main) */ -/* */ -/* silk_TimerSave("silk_TimingData.txt"); */ -/* */ -/* results are now in silk_TimingData.txt */ - -void silk_TimerSave(char *file_name); - -/* max number of timers (in different locations) */ -#define silk_NUM_TIMERS_MAX 50 -/* max length of name tags in TIC(..), TOC(..) */ -#define silk_NUM_TIMERS_MAX_TAG_LEN 30 - -extern int silk_Timer_nTimers; -extern int silk_Timer_depth_ctr; -extern char silk_Timer_tags[silk_NUM_TIMERS_MAX][silk_NUM_TIMERS_MAX_TAG_LEN]; -#ifdef _WIN32 -extern LARGE_INTEGER silk_Timer_start[silk_NUM_TIMERS_MAX]; -#else -extern unsigned long silk_Timer_start[silk_NUM_TIMERS_MAX]; -#endif -extern unsigned int silk_Timer_cnt[silk_NUM_TIMERS_MAX]; -extern opus_int64 silk_Timer_sum[silk_NUM_TIMERS_MAX]; -extern opus_int64 silk_Timer_max[silk_NUM_TIMERS_MAX]; -extern opus_int64 silk_Timer_min[silk_NUM_TIMERS_MAX]; -extern opus_int64 silk_Timer_depth[silk_NUM_TIMERS_MAX]; - -/* WARNING: TIC()/TOC can measure only up to 0.1 seconds at a time */ -#ifdef _WIN32 -#define TIC(TAG_NAME) { \ - static int init = 0; \ - static int ID = -1; \ - if( init == 0 ) \ - { \ - int k; \ - init = 1; \ - for( k = 0; k < silk_Timer_nTimers; k++ ) { \ - if( strcmp(silk_Timer_tags[k], #TAG_NAME) == 0 ) { \ - ID = k; \ - break; \ - } \ - } \ - if (ID == -1) { \ - ID = silk_Timer_nTimers; \ - silk_Timer_nTimers++; \ - silk_Timer_depth[ID] = silk_Timer_depth_ctr; \ - strcpy(silk_Timer_tags[ID], #TAG_NAME); \ - silk_Timer_cnt[ID] = 0; \ - silk_Timer_sum[ID] = 0; \ - silk_Timer_min[ID] = 0xFFFFFFFF; \ - silk_Timer_max[ID] = 0; \ - } \ - } \ - silk_Timer_depth_ctr++; \ - QueryPerformanceCounter(&silk_Timer_start[ID]); \ -} -#else -#define TIC(TAG_NAME) { \ - static int init = 0; \ - static int ID = -1; \ - if( init == 0 ) \ - { \ - int k; \ - init = 1; \ - for( k = 0; k < silk_Timer_nTimers; k++ ) { \ - if( strcmp(silk_Timer_tags[k], #TAG_NAME) == 0 ) { \ - ID = k; \ - break; \ - } \ - } \ - if (ID == -1) { \ - ID = silk_Timer_nTimers; \ - silk_Timer_nTimers++; \ - silk_Timer_depth[ID] = silk_Timer_depth_ctr; \ - strcpy(silk_Timer_tags[ID], #TAG_NAME); \ - silk_Timer_cnt[ID] = 0; \ - silk_Timer_sum[ID] = 0; \ - silk_Timer_min[ID] = 0xFFFFFFFF; \ - silk_Timer_max[ID] = 0; \ - } \ - } \ - silk_Timer_depth_ctr++; \ - silk_Timer_start[ID] = GetHighResolutionTime(); \ -} -#endif - -#ifdef _WIN32 -#define TOC(TAG_NAME) { \ - LARGE_INTEGER lpPerformanceCount; \ - static int init = 0; \ - static int ID = 0; \ - if( init == 0 ) \ - { \ - int k; \ - init = 1; \ - for( k = 0; k < silk_Timer_nTimers; k++ ) { \ - if( strcmp(silk_Timer_tags[k], #TAG_NAME) == 0 ) { \ - ID = k; \ - break; \ - } \ - } \ - } \ - QueryPerformanceCounter(&lpPerformanceCount); \ - lpPerformanceCount.QuadPart -= silk_Timer_start[ID].QuadPart; \ - if((lpPerformanceCount.QuadPart < 100000000) && \ - (lpPerformanceCount.QuadPart >= 0)) { \ - silk_Timer_cnt[ID]++; \ - silk_Timer_sum[ID] += lpPerformanceCount.QuadPart; \ - if( lpPerformanceCount.QuadPart > silk_Timer_max[ID] ) \ - silk_Timer_max[ID] = lpPerformanceCount.QuadPart; \ - if( lpPerformanceCount.QuadPart < silk_Timer_min[ID] ) \ - silk_Timer_min[ID] = lpPerformanceCount.QuadPart; \ - } \ - silk_Timer_depth_ctr--; \ -} -#else -#define TOC(TAG_NAME) { \ - unsigned long endTime; \ - static int init = 0; \ - static int ID = 0; \ - if( init == 0 ) \ - { \ - int k; \ - init = 1; \ - for( k = 0; k < silk_Timer_nTimers; k++ ) { \ - if( strcmp(silk_Timer_tags[k], #TAG_NAME) == 0 ) { \ - ID = k; \ - break; \ - } \ - } \ - } \ - endTime = GetHighResolutionTime(); \ - endTime -= silk_Timer_start[ID]; \ - if((endTime < 100000000) && \ - (endTime >= 0)) { \ - silk_Timer_cnt[ID]++; \ - silk_Timer_sum[ID] += endTime; \ - if( endTime > silk_Timer_max[ID] ) \ - silk_Timer_max[ID] = endTime; \ - if( endTime < silk_Timer_min[ID] ) \ - silk_Timer_min[ID] = endTime; \ - } \ - silk_Timer_depth_ctr--; \ -} -#endif - -#else /* SILK_TIC_TOC */ - -/* define macros as empty strings */ -#define TIC(TAG_NAME) -#define TOC(TAG_NAME) -#define silk_TimerSave(FILE_NAME) - -#endif /* SILK_TIC_TOC */ - - -#if SILK_DEBUG -/************************************/ -/* write data to file for debugging */ -/************************************/ -/* Example: DEBUG_STORE_DATA(testfile.pcm, &RIN[0], 160*sizeof(opus_int16)); */ - -#define silk_NUM_STORES_MAX 100 -extern FILE *silk_debug_store_fp[ silk_NUM_STORES_MAX ]; -extern int silk_debug_store_count; - -/* Faster way of storing the data */ -#define DEBUG_STORE_DATA( FILE_NAME, DATA_PTR, N_BYTES ) { \ - static opus_int init = 0, cnt = 0; \ - static FILE **fp; \ - if (init == 0) { \ - init = 1; \ - cnt = silk_debug_store_count++; \ - silk_debug_store_fp[ cnt ] = fopen(#FILE_NAME, "wb"); \ - } \ - fwrite((DATA_PTR), (N_BYTES), 1, silk_debug_store_fp[ cnt ]); \ -} - -/* Call this at the end of main() */ -#define SILK_DEBUG_STORE_CLOSE_FILES { \ - opus_int i; \ - for( i = 0; i < silk_debug_store_count; i++ ) { \ - fclose( silk_debug_store_fp[ i ] ); \ - } \ -} - -#else /* SILK_DEBUG */ - -/* define macros as empty strings */ -#define DEBUG_STORE_DATA(FILE_NAME, DATA_PTR, N_BYTES) -#define SILK_DEBUG_STORE_CLOSE_FILES - -#endif /* SILK_DEBUG */ - -#ifdef __cplusplus -} -#endif - -#endif /* SILK_DEBUG_H */ diff --git a/src/opus-1.1/silk/dec_API.c b/src/opus-1.1/silk/dec_API.c deleted file mode 100644 index 4cbcf715..00000000 --- a/src/opus-1.1/silk/dec_API.c +++ /dev/null @@ -1,397 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include "API.h" -#include "main.h" -#include "stack_alloc.h" - -/************************/ -/* Decoder Super Struct */ -/************************/ -typedef struct { - silk_decoder_state channel_state[ DECODER_NUM_CHANNELS ]; - stereo_dec_state sStereo; - opus_int nChannelsAPI; - opus_int nChannelsInternal; - opus_int prev_decode_only_middle; -} silk_decoder; - -/*********************/ -/* Decoder functions */ -/*********************/ - -opus_int silk_Get_Decoder_Size( /* O Returns error code */ - opus_int *decSizeBytes /* O Number of bytes in SILK decoder state */ -) -{ - opus_int ret = SILK_NO_ERROR; - - *decSizeBytes = sizeof( silk_decoder ); - - return ret; -} - -/* Reset decoder state */ -opus_int silk_InitDecoder( /* O Returns error code */ - void *decState /* I/O State */ -) -{ - opus_int n, ret = SILK_NO_ERROR; - silk_decoder_state *channel_state = ((silk_decoder *)decState)->channel_state; - - for( n = 0; n < DECODER_NUM_CHANNELS; n++ ) { - ret = silk_init_decoder( &channel_state[ n ] ); - } - silk_memset(&((silk_decoder *)decState)->sStereo, 0, sizeof(((silk_decoder *)decState)->sStereo)); - /* Not strictly needed, but it's cleaner that way */ - ((silk_decoder *)decState)->prev_decode_only_middle = 0; - - return ret; -} - -/* Decode a frame */ -opus_int silk_Decode( /* O Returns error code */ - void* decState, /* I/O State */ - silk_DecControlStruct* decControl, /* I/O Control Structure */ - opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ - opus_int newPacketFlag, /* I Indicates first decoder call for this packet */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int16 *samplesOut, /* O Decoded output speech vector */ - opus_int32 *nSamplesOut /* O Number of samples decoded */ -) -{ - opus_int i, n, decode_only_middle = 0, ret = SILK_NO_ERROR; - opus_int32 nSamplesOutDec, LBRR_symbol; - opus_int16 *samplesOut1_tmp[ 2 ]; - VARDECL( opus_int16, samplesOut1_tmp_storage ); - VARDECL( opus_int16, samplesOut2_tmp ); - opus_int32 MS_pred_Q13[ 2 ] = { 0 }; - opus_int16 *resample_out_ptr; - silk_decoder *psDec = ( silk_decoder * )decState; - silk_decoder_state *channel_state = psDec->channel_state; - opus_int has_side; - opus_int stereo_to_mono; - SAVE_STACK; - - silk_assert( decControl->nChannelsInternal == 1 || decControl->nChannelsInternal == 2 ); - - /**********************************/ - /* Test if first frame in payload */ - /**********************************/ - if( newPacketFlag ) { - for( n = 0; n < decControl->nChannelsInternal; n++ ) { - channel_state[ n ].nFramesDecoded = 0; /* Used to count frames in packet */ - } - } - - /* If Mono -> Stereo transition in bitstream: init state of second channel */ - if( decControl->nChannelsInternal > psDec->nChannelsInternal ) { - ret += silk_init_decoder( &channel_state[ 1 ] ); - } - - stereo_to_mono = decControl->nChannelsInternal == 1 && psDec->nChannelsInternal == 2 && - ( decControl->internalSampleRate == 1000*channel_state[ 0 ].fs_kHz ); - - if( channel_state[ 0 ].nFramesDecoded == 0 ) { - for( n = 0; n < decControl->nChannelsInternal; n++ ) { - opus_int fs_kHz_dec; - if( decControl->payloadSize_ms == 0 ) { - /* Assuming packet loss, use 10 ms */ - channel_state[ n ].nFramesPerPacket = 1; - channel_state[ n ].nb_subfr = 2; - } else if( decControl->payloadSize_ms == 10 ) { - channel_state[ n ].nFramesPerPacket = 1; - channel_state[ n ].nb_subfr = 2; - } else if( decControl->payloadSize_ms == 20 ) { - channel_state[ n ].nFramesPerPacket = 1; - channel_state[ n ].nb_subfr = 4; - } else if( decControl->payloadSize_ms == 40 ) { - channel_state[ n ].nFramesPerPacket = 2; - channel_state[ n ].nb_subfr = 4; - } else if( decControl->payloadSize_ms == 60 ) { - channel_state[ n ].nFramesPerPacket = 3; - channel_state[ n ].nb_subfr = 4; - } else { - silk_assert( 0 ); - RESTORE_STACK; - return SILK_DEC_INVALID_FRAME_SIZE; - } - fs_kHz_dec = ( decControl->internalSampleRate >> 10 ) + 1; - if( fs_kHz_dec != 8 && fs_kHz_dec != 12 && fs_kHz_dec != 16 ) { - silk_assert( 0 ); - RESTORE_STACK; - return SILK_DEC_INVALID_SAMPLING_FREQUENCY; - } - ret += silk_decoder_set_fs( &channel_state[ n ], fs_kHz_dec, decControl->API_sampleRate ); - } - } - - if( decControl->nChannelsAPI == 2 && decControl->nChannelsInternal == 2 && ( psDec->nChannelsAPI == 1 || psDec->nChannelsInternal == 1 ) ) { - silk_memset( psDec->sStereo.pred_prev_Q13, 0, sizeof( psDec->sStereo.pred_prev_Q13 ) ); - silk_memset( psDec->sStereo.sSide, 0, sizeof( psDec->sStereo.sSide ) ); - silk_memcpy( &channel_state[ 1 ].resampler_state, &channel_state[ 0 ].resampler_state, sizeof( silk_resampler_state_struct ) ); - } - psDec->nChannelsAPI = decControl->nChannelsAPI; - psDec->nChannelsInternal = decControl->nChannelsInternal; - - if( decControl->API_sampleRate > (opus_int32)MAX_API_FS_KHZ * 1000 || decControl->API_sampleRate < 8000 ) { - ret = SILK_DEC_INVALID_SAMPLING_FREQUENCY; - RESTORE_STACK; - return( ret ); - } - - if( lostFlag != FLAG_PACKET_LOST && channel_state[ 0 ].nFramesDecoded == 0 ) { - /* First decoder call for this payload */ - /* Decode VAD flags and LBRR flag */ - for( n = 0; n < decControl->nChannelsInternal; n++ ) { - for( i = 0; i < channel_state[ n ].nFramesPerPacket; i++ ) { - channel_state[ n ].VAD_flags[ i ] = ec_dec_bit_logp(psRangeDec, 1); - } - channel_state[ n ].LBRR_flag = ec_dec_bit_logp(psRangeDec, 1); - } - /* Decode LBRR flags */ - for( n = 0; n < decControl->nChannelsInternal; n++ ) { - silk_memset( channel_state[ n ].LBRR_flags, 0, sizeof( channel_state[ n ].LBRR_flags ) ); - if( channel_state[ n ].LBRR_flag ) { - if( channel_state[ n ].nFramesPerPacket == 1 ) { - channel_state[ n ].LBRR_flags[ 0 ] = 1; - } else { - LBRR_symbol = ec_dec_icdf( psRangeDec, silk_LBRR_flags_iCDF_ptr[ channel_state[ n ].nFramesPerPacket - 2 ], 8 ) + 1; - for( i = 0; i < channel_state[ n ].nFramesPerPacket; i++ ) { - channel_state[ n ].LBRR_flags[ i ] = silk_RSHIFT( LBRR_symbol, i ) & 1; - } - } - } - } - - if( lostFlag == FLAG_DECODE_NORMAL ) { - /* Regular decoding: skip all LBRR data */ - for( i = 0; i < channel_state[ 0 ].nFramesPerPacket; i++ ) { - for( n = 0; n < decControl->nChannelsInternal; n++ ) { - if( channel_state[ n ].LBRR_flags[ i ] ) { - opus_int pulses[ MAX_FRAME_LENGTH ]; - opus_int condCoding; - - if( decControl->nChannelsInternal == 2 && n == 0 ) { - silk_stereo_decode_pred( psRangeDec, MS_pred_Q13 ); - if( channel_state[ 1 ].LBRR_flags[ i ] == 0 ) { - silk_stereo_decode_mid_only( psRangeDec, &decode_only_middle ); - } - } - /* Use conditional coding if previous frame available */ - if( i > 0 && channel_state[ n ].LBRR_flags[ i - 1 ] ) { - condCoding = CODE_CONDITIONALLY; - } else { - condCoding = CODE_INDEPENDENTLY; - } - silk_decode_indices( &channel_state[ n ], psRangeDec, i, 1, condCoding ); - silk_decode_pulses( psRangeDec, pulses, channel_state[ n ].indices.signalType, - channel_state[ n ].indices.quantOffsetType, channel_state[ n ].frame_length ); - } - } - } - } - } - - /* Get MS predictor index */ - if( decControl->nChannelsInternal == 2 ) { - if( lostFlag == FLAG_DECODE_NORMAL || - ( lostFlag == FLAG_DECODE_LBRR && channel_state[ 0 ].LBRR_flags[ channel_state[ 0 ].nFramesDecoded ] == 1 ) ) - { - silk_stereo_decode_pred( psRangeDec, MS_pred_Q13 ); - /* For LBRR data, decode mid-only flag only if side-channel's LBRR flag is false */ - if( ( lostFlag == FLAG_DECODE_NORMAL && channel_state[ 1 ].VAD_flags[ channel_state[ 0 ].nFramesDecoded ] == 0 ) || - ( lostFlag == FLAG_DECODE_LBRR && channel_state[ 1 ].LBRR_flags[ channel_state[ 0 ].nFramesDecoded ] == 0 ) ) - { - silk_stereo_decode_mid_only( psRangeDec, &decode_only_middle ); - } else { - decode_only_middle = 0; - } - } else { - for( n = 0; n < 2; n++ ) { - MS_pred_Q13[ n ] = psDec->sStereo.pred_prev_Q13[ n ]; - } - } - } - - /* Reset side channel decoder prediction memory for first frame with side coding */ - if( decControl->nChannelsInternal == 2 && decode_only_middle == 0 && psDec->prev_decode_only_middle == 1 ) { - silk_memset( psDec->channel_state[ 1 ].outBuf, 0, sizeof(psDec->channel_state[ 1 ].outBuf) ); - silk_memset( psDec->channel_state[ 1 ].sLPC_Q14_buf, 0, sizeof(psDec->channel_state[ 1 ].sLPC_Q14_buf) ); - psDec->channel_state[ 1 ].lagPrev = 100; - psDec->channel_state[ 1 ].LastGainIndex = 10; - psDec->channel_state[ 1 ].prevSignalType = TYPE_NO_VOICE_ACTIVITY; - psDec->channel_state[ 1 ].first_frame_after_reset = 1; - } - - ALLOC( samplesOut1_tmp_storage, - decControl->nChannelsInternal*( - channel_state[ 0 ].frame_length + 2 ), - opus_int16 ); - samplesOut1_tmp[ 0 ] = samplesOut1_tmp_storage; - samplesOut1_tmp[ 1 ] = samplesOut1_tmp_storage - + channel_state[ 0 ].frame_length + 2; - - if( lostFlag == FLAG_DECODE_NORMAL ) { - has_side = !decode_only_middle; - } else { - has_side = !psDec->prev_decode_only_middle - || (decControl->nChannelsInternal == 2 && lostFlag == FLAG_DECODE_LBRR && channel_state[1].LBRR_flags[ channel_state[1].nFramesDecoded ] == 1 ); - } - /* Call decoder for one frame */ - for( n = 0; n < decControl->nChannelsInternal; n++ ) { - if( n == 0 || has_side ) { - opus_int FrameIndex; - opus_int condCoding; - - FrameIndex = channel_state[ 0 ].nFramesDecoded - n; - /* Use independent coding if no previous frame available */ - if( FrameIndex <= 0 ) { - condCoding = CODE_INDEPENDENTLY; - } else if( lostFlag == FLAG_DECODE_LBRR ) { - condCoding = channel_state[ n ].LBRR_flags[ FrameIndex - 1 ] ? CODE_CONDITIONALLY : CODE_INDEPENDENTLY; - } else if( n > 0 && psDec->prev_decode_only_middle ) { - /* If we skipped a side frame in this packet, we don't - need LTP scaling; the LTP state is well-defined. */ - condCoding = CODE_INDEPENDENTLY_NO_LTP_SCALING; - } else { - condCoding = CODE_CONDITIONALLY; - } - ret += silk_decode_frame( &channel_state[ n ], psRangeDec, &samplesOut1_tmp[ n ][ 2 ], &nSamplesOutDec, lostFlag, condCoding); - } else { - silk_memset( &samplesOut1_tmp[ n ][ 2 ], 0, nSamplesOutDec * sizeof( opus_int16 ) ); - } - channel_state[ n ].nFramesDecoded++; - } - - if( decControl->nChannelsAPI == 2 && decControl->nChannelsInternal == 2 ) { - /* Convert Mid/Side to Left/Right */ - silk_stereo_MS_to_LR( &psDec->sStereo, samplesOut1_tmp[ 0 ], samplesOut1_tmp[ 1 ], MS_pred_Q13, channel_state[ 0 ].fs_kHz, nSamplesOutDec ); - } else { - /* Buffering */ - silk_memcpy( samplesOut1_tmp[ 0 ], psDec->sStereo.sMid, 2 * sizeof( opus_int16 ) ); - silk_memcpy( psDec->sStereo.sMid, &samplesOut1_tmp[ 0 ][ nSamplesOutDec ], 2 * sizeof( opus_int16 ) ); - } - - /* Number of output samples */ - *nSamplesOut = silk_DIV32( nSamplesOutDec * decControl->API_sampleRate, silk_SMULBB( channel_state[ 0 ].fs_kHz, 1000 ) ); - - /* Set up pointers to temp buffers */ - ALLOC( samplesOut2_tmp, - decControl->nChannelsAPI == 2 ? *nSamplesOut : ALLOC_NONE, opus_int16 ); - if( decControl->nChannelsAPI == 2 ) { - resample_out_ptr = samplesOut2_tmp; - } else { - resample_out_ptr = samplesOut; - } - - for( n = 0; n < silk_min( decControl->nChannelsAPI, decControl->nChannelsInternal ); n++ ) { - - /* Resample decoded signal to API_sampleRate */ - ret += silk_resampler( &channel_state[ n ].resampler_state, resample_out_ptr, &samplesOut1_tmp[ n ][ 1 ], nSamplesOutDec ); - - /* Interleave if stereo output and stereo stream */ - if( decControl->nChannelsAPI == 2 ) { - for( i = 0; i < *nSamplesOut; i++ ) { - samplesOut[ n + 2 * i ] = resample_out_ptr[ i ]; - } - } - } - - /* Create two channel output from mono stream */ - if( decControl->nChannelsAPI == 2 && decControl->nChannelsInternal == 1 ) { - if ( stereo_to_mono ){ - /* Resample right channel for newly collapsed stereo just in case - we weren't doing collapsing when switching to mono */ - ret += silk_resampler( &channel_state[ 1 ].resampler_state, resample_out_ptr, &samplesOut1_tmp[ 0 ][ 1 ], nSamplesOutDec ); - - for( i = 0; i < *nSamplesOut; i++ ) { - samplesOut[ 1 + 2 * i ] = resample_out_ptr[ i ]; - } - } else { - for( i = 0; i < *nSamplesOut; i++ ) { - samplesOut[ 1 + 2 * i ] = samplesOut[ 0 + 2 * i ]; - } - } - } - - /* Export pitch lag, measured at 48 kHz sampling rate */ - if( channel_state[ 0 ].prevSignalType == TYPE_VOICED ) { - int mult_tab[ 3 ] = { 6, 4, 3 }; - decControl->prevPitchLag = channel_state[ 0 ].lagPrev * mult_tab[ ( channel_state[ 0 ].fs_kHz - 8 ) >> 2 ]; - } else { - decControl->prevPitchLag = 0; - } - - if( lostFlag == FLAG_PACKET_LOST ) { - /* On packet loss, remove the gain clamping to prevent having the energy "bounce back" - if we lose packets when the energy is going down */ - for ( i = 0; i < psDec->nChannelsInternal; i++ ) - psDec->channel_state[ i ].LastGainIndex = 10; - } else { - psDec->prev_decode_only_middle = decode_only_middle; - } - RESTORE_STACK; - return ret; -} - -#if 0 -/* Getting table of contents for a packet */ -opus_int silk_get_TOC( - const opus_uint8 *payload, /* I Payload data */ - const opus_int nBytesIn, /* I Number of input bytes */ - const opus_int nFramesPerPayload, /* I Number of SILK frames per payload */ - silk_TOC_struct *Silk_TOC /* O Type of content */ -) -{ - opus_int i, flags, ret = SILK_NO_ERROR; - - if( nBytesIn < 1 ) { - return -1; - } - if( nFramesPerPayload < 0 || nFramesPerPayload > 3 ) { - return -1; - } - - silk_memset( Silk_TOC, 0, sizeof( *Silk_TOC ) ); - - /* For stereo, extract the flags for the mid channel */ - flags = silk_RSHIFT( payload[ 0 ], 7 - nFramesPerPayload ) & ( silk_LSHIFT( 1, nFramesPerPayload + 1 ) - 1 ); - - Silk_TOC->inbandFECFlag = flags & 1; - for( i = nFramesPerPayload - 1; i >= 0 ; i-- ) { - flags = silk_RSHIFT( flags, 1 ); - Silk_TOC->VADFlags[ i ] = flags & 1; - Silk_TOC->VADFlag |= flags & 1; - } - - return ret; -} -#endif diff --git a/src/opus-1.1/silk/decode_core.c b/src/opus-1.1/silk/decode_core.c deleted file mode 100644 index a820bf11..00000000 --- a/src/opus-1.1/silk/decode_core.c +++ /dev/null @@ -1,238 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -/**********************************************************/ -/* Core decoder. Performs inverse NSQ operation LTP + LPC */ -/**********************************************************/ -void silk_decode_core( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I Decoder control */ - opus_int16 xq[], /* O Decoded speech */ - const opus_int pulses[ MAX_FRAME_LENGTH ] /* I Pulse signal */ -) -{ - opus_int i, k, lag = 0, start_idx, sLTP_buf_idx, NLSF_interpolation_flag, signalType; - opus_int16 *A_Q12, *B_Q14, *pxq, A_Q12_tmp[ MAX_LPC_ORDER ]; - VARDECL( opus_int16, sLTP ); - VARDECL( opus_int32, sLTP_Q15 ); - opus_int32 LTP_pred_Q13, LPC_pred_Q10, Gain_Q10, inv_gain_Q31, gain_adj_Q16, rand_seed, offset_Q10; - opus_int32 *pred_lag_ptr, *pexc_Q14, *pres_Q14; - VARDECL( opus_int32, res_Q14 ); - VARDECL( opus_int32, sLPC_Q14 ); - SAVE_STACK; - - silk_assert( psDec->prev_gain_Q16 != 0 ); - - ALLOC( sLTP, psDec->ltp_mem_length, opus_int16 ); - ALLOC( sLTP_Q15, psDec->ltp_mem_length + psDec->frame_length, opus_int32 ); - ALLOC( res_Q14, psDec->subfr_length, opus_int32 ); - ALLOC( sLPC_Q14, psDec->subfr_length + MAX_LPC_ORDER, opus_int32 ); - - offset_Q10 = silk_Quantization_Offsets_Q10[ psDec->indices.signalType >> 1 ][ psDec->indices.quantOffsetType ]; - - if( psDec->indices.NLSFInterpCoef_Q2 < 1 << 2 ) { - NLSF_interpolation_flag = 1; - } else { - NLSF_interpolation_flag = 0; - } - - /* Decode excitation */ - rand_seed = psDec->indices.Seed; - for( i = 0; i < psDec->frame_length; i++ ) { - rand_seed = silk_RAND( rand_seed ); - psDec->exc_Q14[ i ] = silk_LSHIFT( (opus_int32)pulses[ i ], 14 ); - if( psDec->exc_Q14[ i ] > 0 ) { - psDec->exc_Q14[ i ] -= QUANT_LEVEL_ADJUST_Q10 << 4; - } else - if( psDec->exc_Q14[ i ] < 0 ) { - psDec->exc_Q14[ i ] += QUANT_LEVEL_ADJUST_Q10 << 4; - } - psDec->exc_Q14[ i ] += offset_Q10 << 4; - if( rand_seed < 0 ) { - psDec->exc_Q14[ i ] = -psDec->exc_Q14[ i ]; - } - - rand_seed = silk_ADD32_ovflw( rand_seed, pulses[ i ] ); - } - - /* Copy LPC state */ - silk_memcpy( sLPC_Q14, psDec->sLPC_Q14_buf, MAX_LPC_ORDER * sizeof( opus_int32 ) ); - - pexc_Q14 = psDec->exc_Q14; - pxq = xq; - sLTP_buf_idx = psDec->ltp_mem_length; - /* Loop over subframes */ - for( k = 0; k < psDec->nb_subfr; k++ ) { - pres_Q14 = res_Q14; - A_Q12 = psDecCtrl->PredCoef_Q12[ k >> 1 ]; - - /* Preload LPC coeficients to array on stack. Gives small performance gain */ - silk_memcpy( A_Q12_tmp, A_Q12, psDec->LPC_order * sizeof( opus_int16 ) ); - B_Q14 = &psDecCtrl->LTPCoef_Q14[ k * LTP_ORDER ]; - signalType = psDec->indices.signalType; - - Gain_Q10 = silk_RSHIFT( psDecCtrl->Gains_Q16[ k ], 6 ); - inv_gain_Q31 = silk_INVERSE32_varQ( psDecCtrl->Gains_Q16[ k ], 47 ); - - /* Calculate gain adjustment factor */ - if( psDecCtrl->Gains_Q16[ k ] != psDec->prev_gain_Q16 ) { - gain_adj_Q16 = silk_DIV32_varQ( psDec->prev_gain_Q16, psDecCtrl->Gains_Q16[ k ], 16 ); - - /* Scale short term state */ - for( i = 0; i < MAX_LPC_ORDER; i++ ) { - sLPC_Q14[ i ] = silk_SMULWW( gain_adj_Q16, sLPC_Q14[ i ] ); - } - } else { - gain_adj_Q16 = (opus_int32)1 << 16; - } - - /* Save inv_gain */ - silk_assert( inv_gain_Q31 != 0 ); - psDec->prev_gain_Q16 = psDecCtrl->Gains_Q16[ k ]; - - /* Avoid abrupt transition from voiced PLC to unvoiced normal decoding */ - if( psDec->lossCnt && psDec->prevSignalType == TYPE_VOICED && - psDec->indices.signalType != TYPE_VOICED && k < MAX_NB_SUBFR/2 ) { - - silk_memset( B_Q14, 0, LTP_ORDER * sizeof( opus_int16 ) ); - B_Q14[ LTP_ORDER/2 ] = SILK_FIX_CONST( 0.25, 14 ); - - signalType = TYPE_VOICED; - psDecCtrl->pitchL[ k ] = psDec->lagPrev; - } - - if( signalType == TYPE_VOICED ) { - /* Voiced */ - lag = psDecCtrl->pitchL[ k ]; - - /* Re-whitening */ - if( k == 0 || ( k == 2 && NLSF_interpolation_flag ) ) { - /* Rewhiten with new A coefs */ - start_idx = psDec->ltp_mem_length - lag - psDec->LPC_order - LTP_ORDER / 2; - silk_assert( start_idx > 0 ); - - if( k == 2 ) { - silk_memcpy( &psDec->outBuf[ psDec->ltp_mem_length ], xq, 2 * psDec->subfr_length * sizeof( opus_int16 ) ); - } - - silk_LPC_analysis_filter( &sLTP[ start_idx ], &psDec->outBuf[ start_idx + k * psDec->subfr_length ], - A_Q12, psDec->ltp_mem_length - start_idx, psDec->LPC_order ); - - /* After rewhitening the LTP state is unscaled */ - if( k == 0 ) { - /* Do LTP downscaling to reduce inter-packet dependency */ - inv_gain_Q31 = silk_LSHIFT( silk_SMULWB( inv_gain_Q31, psDecCtrl->LTP_scale_Q14 ), 2 ); - } - for( i = 0; i < lag + LTP_ORDER/2; i++ ) { - sLTP_Q15[ sLTP_buf_idx - i - 1 ] = silk_SMULWB( inv_gain_Q31, sLTP[ psDec->ltp_mem_length - i - 1 ] ); - } - } else { - /* Update LTP state when Gain changes */ - if( gain_adj_Q16 != (opus_int32)1 << 16 ) { - for( i = 0; i < lag + LTP_ORDER/2; i++ ) { - sLTP_Q15[ sLTP_buf_idx - i - 1 ] = silk_SMULWW( gain_adj_Q16, sLTP_Q15[ sLTP_buf_idx - i - 1 ] ); - } - } - } - } - - /* Long-term prediction */ - if( signalType == TYPE_VOICED ) { - /* Set up pointer */ - pred_lag_ptr = &sLTP_Q15[ sLTP_buf_idx - lag + LTP_ORDER / 2 ]; - for( i = 0; i < psDec->subfr_length; i++ ) { - /* Unrolled loop */ - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LTP_pred_Q13 = 2; - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ 0 ], B_Q14[ 0 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -1 ], B_Q14[ 1 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -2 ], B_Q14[ 2 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -3 ], B_Q14[ 3 ] ); - LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -4 ], B_Q14[ 4 ] ); - pred_lag_ptr++; - - /* Generate LPC excitation */ - pres_Q14[ i ] = silk_ADD_LSHIFT32( pexc_Q14[ i ], LTP_pred_Q13, 1 ); - - /* Update states */ - sLTP_Q15[ sLTP_buf_idx ] = silk_LSHIFT( pres_Q14[ i ], 1 ); - sLTP_buf_idx++; - } - } else { - pres_Q14 = pexc_Q14; - } - - for( i = 0; i < psDec->subfr_length; i++ ) { - /* Short-term prediction */ - silk_assert( psDec->LPC_order == 10 || psDec->LPC_order == 16 ); - /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ - LPC_pred_Q10 = silk_RSHIFT( psDec->LPC_order, 1 ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 1 ], A_Q12_tmp[ 0 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 2 ], A_Q12_tmp[ 1 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 3 ], A_Q12_tmp[ 2 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 4 ], A_Q12_tmp[ 3 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 5 ], A_Q12_tmp[ 4 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 6 ], A_Q12_tmp[ 5 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 7 ], A_Q12_tmp[ 6 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 8 ], A_Q12_tmp[ 7 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 9 ], A_Q12_tmp[ 8 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 10 ], A_Q12_tmp[ 9 ] ); - if( psDec->LPC_order == 16 ) { - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 11 ], A_Q12_tmp[ 10 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 12 ], A_Q12_tmp[ 11 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 13 ], A_Q12_tmp[ 12 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 14 ], A_Q12_tmp[ 13 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 15 ], A_Q12_tmp[ 14 ] ); - LPC_pred_Q10 = silk_SMLAWB( LPC_pred_Q10, sLPC_Q14[ MAX_LPC_ORDER + i - 16 ], A_Q12_tmp[ 15 ] ); - } - - /* Add prediction to LPC excitation */ - sLPC_Q14[ MAX_LPC_ORDER + i ] = silk_ADD_LSHIFT32( pres_Q14[ i ], LPC_pred_Q10, 4 ); - - /* Scale with gain */ - pxq[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( sLPC_Q14[ MAX_LPC_ORDER + i ], Gain_Q10 ), 8 ) ); - } - - /* DEBUG_STORE_DATA( dec.pcm, pxq, psDec->subfr_length * sizeof( opus_int16 ) ) */ - - /* Update LPC filter state */ - silk_memcpy( sLPC_Q14, &sLPC_Q14[ psDec->subfr_length ], MAX_LPC_ORDER * sizeof( opus_int32 ) ); - pexc_Q14 += psDec->subfr_length; - pxq += psDec->subfr_length; - } - - /* Save LPC state */ - silk_memcpy( psDec->sLPC_Q14_buf, sLPC_Q14, MAX_LPC_ORDER * sizeof( opus_int32 ) ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/decode_frame.c b/src/opus-1.1/silk/decode_frame.c deleted file mode 100644 index abc00a3d..00000000 --- a/src/opus-1.1/silk/decode_frame.c +++ /dev/null @@ -1,128 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" -#include "PLC.h" - -/****************/ -/* Decode frame */ -/****************/ -opus_int silk_decode_frame( - silk_decoder_state *psDec, /* I/O Pointer to Silk decoder state */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int16 pOut[], /* O Pointer to output speech frame */ - opus_int32 *pN, /* O Pointer to size of output frame */ - opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - VARDECL( silk_decoder_control, psDecCtrl ); - opus_int L, mv_len, ret = 0; - VARDECL( opus_int, pulses ); - SAVE_STACK; - - L = psDec->frame_length; - ALLOC( psDecCtrl, 1, silk_decoder_control ); - ALLOC( pulses, (L + SHELL_CODEC_FRAME_LENGTH - 1) & - ~(SHELL_CODEC_FRAME_LENGTH - 1), opus_int ); - psDecCtrl->LTP_scale_Q14 = 0; - - /* Safety checks */ - silk_assert( L > 0 && L <= MAX_FRAME_LENGTH ); - - if( lostFlag == FLAG_DECODE_NORMAL || - ( lostFlag == FLAG_DECODE_LBRR && psDec->LBRR_flags[ psDec->nFramesDecoded ] == 1 ) ) - { - /*********************************************/ - /* Decode quantization indices of side info */ - /*********************************************/ - silk_decode_indices( psDec, psRangeDec, psDec->nFramesDecoded, lostFlag, condCoding ); - - /*********************************************/ - /* Decode quantization indices of excitation */ - /*********************************************/ - silk_decode_pulses( psRangeDec, pulses, psDec->indices.signalType, - psDec->indices.quantOffsetType, psDec->frame_length ); - - /********************************************/ - /* Decode parameters and pulse signal */ - /********************************************/ - silk_decode_parameters( psDec, psDecCtrl, condCoding ); - - /********************************************************/ - /* Run inverse NSQ */ - /********************************************************/ - silk_decode_core( psDec, psDecCtrl, pOut, pulses ); - - /********************************************************/ - /* Update PLC state */ - /********************************************************/ - silk_PLC( psDec, psDecCtrl, pOut, 0 ); - - psDec->lossCnt = 0; - psDec->prevSignalType = psDec->indices.signalType; - silk_assert( psDec->prevSignalType >= 0 && psDec->prevSignalType <= 2 ); - - /* A frame has been decoded without errors */ - psDec->first_frame_after_reset = 0; - } else { - /* Handle packet loss by extrapolation */ - silk_PLC( psDec, psDecCtrl, pOut, 1 ); - } - - /*************************/ - /* Update output buffer. */ - /*************************/ - silk_assert( psDec->ltp_mem_length >= psDec->frame_length ); - mv_len = psDec->ltp_mem_length - psDec->frame_length; - silk_memmove( psDec->outBuf, &psDec->outBuf[ psDec->frame_length ], mv_len * sizeof(opus_int16) ); - silk_memcpy( &psDec->outBuf[ mv_len ], pOut, psDec->frame_length * sizeof( opus_int16 ) ); - - /****************************************************************/ - /* Ensure smooth connection of extrapolated and good frames */ - /****************************************************************/ - silk_PLC_glue_frames( psDec, pOut, L ); - - /************************************************/ - /* Comfort noise generation / estimation */ - /************************************************/ - silk_CNG( psDec, psDecCtrl, pOut, L ); - - /* Update some decoder state variables */ - psDec->lagPrev = psDecCtrl->pitchL[ psDec->nb_subfr - 1 ]; - - /* Set output frame length */ - *pN = L; - - RESTORE_STACK; - return ret; -} diff --git a/src/opus-1.1/silk/decode_indices.c b/src/opus-1.1/silk/decode_indices.c deleted file mode 100644 index 7afe5c26..00000000 --- a/src/opus-1.1/silk/decode_indices.c +++ /dev/null @@ -1,151 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Decode side-information parameters from payload */ -void silk_decode_indices( - silk_decoder_state *psDec, /* I/O State */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int FrameIndex, /* I Frame number */ - opus_int decode_LBRR, /* I Flag indicating LBRR data is being decoded */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int i, k, Ix; - opus_int decode_absolute_lagIndex, delta_lagIndex; - opus_int16 ec_ix[ MAX_LPC_ORDER ]; - opus_uint8 pred_Q8[ MAX_LPC_ORDER ]; - - /*******************************************/ - /* Decode signal type and quantizer offset */ - /*******************************************/ - if( decode_LBRR || psDec->VAD_flags[ FrameIndex ] ) { - Ix = ec_dec_icdf( psRangeDec, silk_type_offset_VAD_iCDF, 8 ) + 2; - } else { - Ix = ec_dec_icdf( psRangeDec, silk_type_offset_no_VAD_iCDF, 8 ); - } - psDec->indices.signalType = (opus_int8)silk_RSHIFT( Ix, 1 ); - psDec->indices.quantOffsetType = (opus_int8)( Ix & 1 ); - - /****************/ - /* Decode gains */ - /****************/ - /* First subframe */ - if( condCoding == CODE_CONDITIONALLY ) { - /* Conditional coding */ - psDec->indices.GainsIndices[ 0 ] = (opus_int8)ec_dec_icdf( psRangeDec, silk_delta_gain_iCDF, 8 ); - } else { - /* Independent coding, in two stages: MSB bits followed by 3 LSBs */ - psDec->indices.GainsIndices[ 0 ] = (opus_int8)silk_LSHIFT( ec_dec_icdf( psRangeDec, silk_gain_iCDF[ psDec->indices.signalType ], 8 ), 3 ); - psDec->indices.GainsIndices[ 0 ] += (opus_int8)ec_dec_icdf( psRangeDec, silk_uniform8_iCDF, 8 ); - } - - /* Remaining subframes */ - for( i = 1; i < psDec->nb_subfr; i++ ) { - psDec->indices.GainsIndices[ i ] = (opus_int8)ec_dec_icdf( psRangeDec, silk_delta_gain_iCDF, 8 ); - } - - /**********************/ - /* Decode LSF Indices */ - /**********************/ - psDec->indices.NLSFIndices[ 0 ] = (opus_int8)ec_dec_icdf( psRangeDec, &psDec->psNLSF_CB->CB1_iCDF[ ( psDec->indices.signalType >> 1 ) * psDec->psNLSF_CB->nVectors ], 8 ); - silk_NLSF_unpack( ec_ix, pred_Q8, psDec->psNLSF_CB, psDec->indices.NLSFIndices[ 0 ] ); - silk_assert( psDec->psNLSF_CB->order == psDec->LPC_order ); - for( i = 0; i < psDec->psNLSF_CB->order; i++ ) { - Ix = ec_dec_icdf( psRangeDec, &psDec->psNLSF_CB->ec_iCDF[ ec_ix[ i ] ], 8 ); - if( Ix == 0 ) { - Ix -= ec_dec_icdf( psRangeDec, silk_NLSF_EXT_iCDF, 8 ); - } else if( Ix == 2 * NLSF_QUANT_MAX_AMPLITUDE ) { - Ix += ec_dec_icdf( psRangeDec, silk_NLSF_EXT_iCDF, 8 ); - } - psDec->indices.NLSFIndices[ i+1 ] = (opus_int8)( Ix - NLSF_QUANT_MAX_AMPLITUDE ); - } - - /* Decode LSF interpolation factor */ - if( psDec->nb_subfr == MAX_NB_SUBFR ) { - psDec->indices.NLSFInterpCoef_Q2 = (opus_int8)ec_dec_icdf( psRangeDec, silk_NLSF_interpolation_factor_iCDF, 8 ); - } else { - psDec->indices.NLSFInterpCoef_Q2 = 4; - } - - if( psDec->indices.signalType == TYPE_VOICED ) - { - /*********************/ - /* Decode pitch lags */ - /*********************/ - /* Get lag index */ - decode_absolute_lagIndex = 1; - if( condCoding == CODE_CONDITIONALLY && psDec->ec_prevSignalType == TYPE_VOICED ) { - /* Decode Delta index */ - delta_lagIndex = (opus_int16)ec_dec_icdf( psRangeDec, silk_pitch_delta_iCDF, 8 ); - if( delta_lagIndex > 0 ) { - delta_lagIndex = delta_lagIndex - 9; - psDec->indices.lagIndex = (opus_int16)( psDec->ec_prevLagIndex + delta_lagIndex ); - decode_absolute_lagIndex = 0; - } - } - if( decode_absolute_lagIndex ) { - /* Absolute decoding */ - psDec->indices.lagIndex = (opus_int16)ec_dec_icdf( psRangeDec, silk_pitch_lag_iCDF, 8 ) * silk_RSHIFT( psDec->fs_kHz, 1 ); - psDec->indices.lagIndex += (opus_int16)ec_dec_icdf( psRangeDec, psDec->pitch_lag_low_bits_iCDF, 8 ); - } - psDec->ec_prevLagIndex = psDec->indices.lagIndex; - - /* Get countour index */ - psDec->indices.contourIndex = (opus_int8)ec_dec_icdf( psRangeDec, psDec->pitch_contour_iCDF, 8 ); - - /********************/ - /* Decode LTP gains */ - /********************/ - /* Decode PERIndex value */ - psDec->indices.PERIndex = (opus_int8)ec_dec_icdf( psRangeDec, silk_LTP_per_index_iCDF, 8 ); - - for( k = 0; k < psDec->nb_subfr; k++ ) { - psDec->indices.LTPIndex[ k ] = (opus_int8)ec_dec_icdf( psRangeDec, silk_LTP_gain_iCDF_ptrs[ psDec->indices.PERIndex ], 8 ); - } - - /**********************/ - /* Decode LTP scaling */ - /**********************/ - if( condCoding == CODE_INDEPENDENTLY ) { - psDec->indices.LTP_scaleIndex = (opus_int8)ec_dec_icdf( psRangeDec, silk_LTPscale_iCDF, 8 ); - } else { - psDec->indices.LTP_scaleIndex = 0; - } - } - psDec->ec_prevSignalType = psDec->indices.signalType; - - /***************/ - /* Decode seed */ - /***************/ - psDec->indices.Seed = (opus_int8)ec_dec_icdf( psRangeDec, silk_uniform4_iCDF, 8 ); -} diff --git a/src/opus-1.1/silk/decode_parameters.c b/src/opus-1.1/silk/decode_parameters.c deleted file mode 100644 index e345b1dc..00000000 --- a/src/opus-1.1/silk/decode_parameters.c +++ /dev/null @@ -1,115 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Decode parameters from payload */ -void silk_decode_parameters( - silk_decoder_state *psDec, /* I/O State */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int i, k, Ix; - opus_int16 pNLSF_Q15[ MAX_LPC_ORDER ], pNLSF0_Q15[ MAX_LPC_ORDER ]; - const opus_int8 *cbk_ptr_Q7; - - /* Dequant Gains */ - silk_gains_dequant( psDecCtrl->Gains_Q16, psDec->indices.GainsIndices, - &psDec->LastGainIndex, condCoding == CODE_CONDITIONALLY, psDec->nb_subfr ); - - /****************/ - /* Decode NLSFs */ - /****************/ - silk_NLSF_decode( pNLSF_Q15, psDec->indices.NLSFIndices, psDec->psNLSF_CB ); - - /* Convert NLSF parameters to AR prediction filter coefficients */ - silk_NLSF2A( psDecCtrl->PredCoef_Q12[ 1 ], pNLSF_Q15, psDec->LPC_order ); - - /* If just reset, e.g., because internal Fs changed, do not allow interpolation */ - /* improves the case of packet loss in the first frame after a switch */ - if( psDec->first_frame_after_reset == 1 ) { - psDec->indices.NLSFInterpCoef_Q2 = 4; - } - - if( psDec->indices.NLSFInterpCoef_Q2 < 4 ) { - /* Calculation of the interpolated NLSF0 vector from the interpolation factor, */ - /* the previous NLSF1, and the current NLSF1 */ - for( i = 0; i < psDec->LPC_order; i++ ) { - pNLSF0_Q15[ i ] = psDec->prevNLSF_Q15[ i ] + silk_RSHIFT( silk_MUL( psDec->indices.NLSFInterpCoef_Q2, - pNLSF_Q15[ i ] - psDec->prevNLSF_Q15[ i ] ), 2 ); - } - - /* Convert NLSF parameters to AR prediction filter coefficients */ - silk_NLSF2A( psDecCtrl->PredCoef_Q12[ 0 ], pNLSF0_Q15, psDec->LPC_order ); - } else { - /* Copy LPC coefficients for first half from second half */ - silk_memcpy( psDecCtrl->PredCoef_Q12[ 0 ], psDecCtrl->PredCoef_Q12[ 1 ], psDec->LPC_order * sizeof( opus_int16 ) ); - } - - silk_memcpy( psDec->prevNLSF_Q15, pNLSF_Q15, psDec->LPC_order * sizeof( opus_int16 ) ); - - /* After a packet loss do BWE of LPC coefs */ - if( psDec->lossCnt ) { - silk_bwexpander( psDecCtrl->PredCoef_Q12[ 0 ], psDec->LPC_order, BWE_AFTER_LOSS_Q16 ); - silk_bwexpander( psDecCtrl->PredCoef_Q12[ 1 ], psDec->LPC_order, BWE_AFTER_LOSS_Q16 ); - } - - if( psDec->indices.signalType == TYPE_VOICED ) { - /*********************/ - /* Decode pitch lags */ - /*********************/ - - /* Decode pitch values */ - silk_decode_pitch( psDec->indices.lagIndex, psDec->indices.contourIndex, psDecCtrl->pitchL, psDec->fs_kHz, psDec->nb_subfr ); - - /* Decode Codebook Index */ - cbk_ptr_Q7 = silk_LTP_vq_ptrs_Q7[ psDec->indices.PERIndex ]; /* set pointer to start of codebook */ - - for( k = 0; k < psDec->nb_subfr; k++ ) { - Ix = psDec->indices.LTPIndex[ k ]; - for( i = 0; i < LTP_ORDER; i++ ) { - psDecCtrl->LTPCoef_Q14[ k * LTP_ORDER + i ] = silk_LSHIFT( cbk_ptr_Q7[ Ix * LTP_ORDER + i ], 7 ); - } - } - - /**********************/ - /* Decode LTP scaling */ - /**********************/ - Ix = psDec->indices.LTP_scaleIndex; - psDecCtrl->LTP_scale_Q14 = silk_LTPScales_table_Q14[ Ix ]; - } else { - silk_memset( psDecCtrl->pitchL, 0, psDec->nb_subfr * sizeof( opus_int ) ); - silk_memset( psDecCtrl->LTPCoef_Q14, 0, LTP_ORDER * psDec->nb_subfr * sizeof( opus_int16 ) ); - psDec->indices.PERIndex = 0; - psDecCtrl->LTP_scale_Q14 = 0; - } -} diff --git a/src/opus-1.1/silk/decode_pitch.c b/src/opus-1.1/silk/decode_pitch.c deleted file mode 100644 index fedbc6a5..00000000 --- a/src/opus-1.1/silk/decode_pitch.c +++ /dev/null @@ -1,77 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/*********************************************************** -* Pitch analyser function -********************************************************** */ -#include "SigProc_FIX.h" -#include "pitch_est_defines.h" - -void silk_decode_pitch( - opus_int16 lagIndex, /* I */ - opus_int8 contourIndex, /* O */ - opus_int pitch_lags[], /* O 4 pitch values */ - const opus_int Fs_kHz, /* I sampling frequency (kHz) */ - const opus_int nb_subfr /* I number of sub frames */ -) -{ - opus_int lag, k, min_lag, max_lag, cbk_size; - const opus_int8 *Lag_CB_ptr; - - if( Fs_kHz == 8 ) { - if( nb_subfr == PE_MAX_NB_SUBFR ) { - Lag_CB_ptr = &silk_CB_lags_stage2[ 0 ][ 0 ]; - cbk_size = PE_NB_CBKS_STAGE2_EXT; - } else { - silk_assert( nb_subfr == PE_MAX_NB_SUBFR >> 1 ); - Lag_CB_ptr = &silk_CB_lags_stage2_10_ms[ 0 ][ 0 ]; - cbk_size = PE_NB_CBKS_STAGE2_10MS; - } - } else { - if( nb_subfr == PE_MAX_NB_SUBFR ) { - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - } else { - silk_assert( nb_subfr == PE_MAX_NB_SUBFR >> 1 ); - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - } - } - - min_lag = silk_SMULBB( PE_MIN_LAG_MS, Fs_kHz ); - max_lag = silk_SMULBB( PE_MAX_LAG_MS, Fs_kHz ); - lag = min_lag + lagIndex; - - for( k = 0; k < nb_subfr; k++ ) { - pitch_lags[ k ] = lag + matrix_ptr( Lag_CB_ptr, k, contourIndex, cbk_size ); - pitch_lags[ k ] = silk_LIMIT( pitch_lags[ k ], min_lag, max_lag ); - } -} diff --git a/src/opus-1.1/silk/decode_pulses.c b/src/opus-1.1/silk/decode_pulses.c deleted file mode 100644 index e8a87c2a..00000000 --- a/src/opus-1.1/silk/decode_pulses.c +++ /dev/null @@ -1,115 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/*********************************************/ -/* Decode quantization indices of excitation */ -/*********************************************/ -void silk_decode_pulses( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int pulses[], /* O Excitation signal */ - const opus_int signalType, /* I Sigtype */ - const opus_int quantOffsetType, /* I quantOffsetType */ - const opus_int frame_length /* I Frame length */ -) -{ - opus_int i, j, k, iter, abs_q, nLS, RateLevelIndex; - opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ], nLshifts[ MAX_NB_SHELL_BLOCKS ]; - opus_int *pulses_ptr; - const opus_uint8 *cdf_ptr; - - /*********************/ - /* Decode rate level */ - /*********************/ - RateLevelIndex = ec_dec_icdf( psRangeDec, silk_rate_levels_iCDF[ signalType >> 1 ], 8 ); - - /* Calculate number of shell blocks */ - silk_assert( 1 << LOG2_SHELL_CODEC_FRAME_LENGTH == SHELL_CODEC_FRAME_LENGTH ); - iter = silk_RSHIFT( frame_length, LOG2_SHELL_CODEC_FRAME_LENGTH ); - if( iter * SHELL_CODEC_FRAME_LENGTH < frame_length ) { - silk_assert( frame_length == 12 * 10 ); /* Make sure only happens for 10 ms @ 12 kHz */ - iter++; - } - - /***************************************************/ - /* Sum-Weighted-Pulses Decoding */ - /***************************************************/ - cdf_ptr = silk_pulses_per_block_iCDF[ RateLevelIndex ]; - for( i = 0; i < iter; i++ ) { - nLshifts[ i ] = 0; - sum_pulses[ i ] = ec_dec_icdf( psRangeDec, cdf_ptr, 8 ); - - /* LSB indication */ - while( sum_pulses[ i ] == MAX_PULSES + 1 ) { - nLshifts[ i ]++; - /* When we've already got 10 LSBs, we shift the table to not allow (MAX_PULSES + 1) */ - sum_pulses[ i ] = ec_dec_icdf( psRangeDec, - silk_pulses_per_block_iCDF[ N_RATE_LEVELS - 1] + ( nLshifts[ i ] == 10 ), 8 ); - } - } - - /***************************************************/ - /* Shell decoding */ - /***************************************************/ - for( i = 0; i < iter; i++ ) { - if( sum_pulses[ i ] > 0 ) { - silk_shell_decoder( &pulses[ silk_SMULBB( i, SHELL_CODEC_FRAME_LENGTH ) ], psRangeDec, sum_pulses[ i ] ); - } else { - silk_memset( &pulses[ silk_SMULBB( i, SHELL_CODEC_FRAME_LENGTH ) ], 0, SHELL_CODEC_FRAME_LENGTH * sizeof( opus_int ) ); - } - } - - /***************************************************/ - /* LSB Decoding */ - /***************************************************/ - for( i = 0; i < iter; i++ ) { - if( nLshifts[ i ] > 0 ) { - nLS = nLshifts[ i ]; - pulses_ptr = &pulses[ silk_SMULBB( i, SHELL_CODEC_FRAME_LENGTH ) ]; - for( k = 0; k < SHELL_CODEC_FRAME_LENGTH; k++ ) { - abs_q = pulses_ptr[ k ]; - for( j = 0; j < nLS; j++ ) { - abs_q = silk_LSHIFT( abs_q, 1 ); - abs_q += ec_dec_icdf( psRangeDec, silk_lsb_iCDF, 8 ); - } - pulses_ptr[ k ] = abs_q; - } - /* Mark the number of pulses non-zero for sign decoding. */ - sum_pulses[ i ] |= nLS << 5; - } - } - - /****************************************/ - /* Decode and add signs to pulse signal */ - /****************************************/ - silk_decode_signs( psRangeDec, pulses, frame_length, signalType, quantOffsetType, sum_pulses ); -} diff --git a/src/opus-1.1/silk/decoder_set_fs.c b/src/opus-1.1/silk/decoder_set_fs.c deleted file mode 100644 index eef0fd25..00000000 --- a/src/opus-1.1/silk/decoder_set_fs.c +++ /dev/null @@ -1,108 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Set decoder sampling rate */ -opus_int silk_decoder_set_fs( - silk_decoder_state *psDec, /* I/O Decoder state pointer */ - opus_int fs_kHz, /* I Sampling frequency (kHz) */ - opus_int32 fs_API_Hz /* I API Sampling frequency (Hz) */ -) -{ - opus_int frame_length, ret = 0; - - silk_assert( fs_kHz == 8 || fs_kHz == 12 || fs_kHz == 16 ); - silk_assert( psDec->nb_subfr == MAX_NB_SUBFR || psDec->nb_subfr == MAX_NB_SUBFR/2 ); - - /* New (sub)frame length */ - psDec->subfr_length = silk_SMULBB( SUB_FRAME_LENGTH_MS, fs_kHz ); - frame_length = silk_SMULBB( psDec->nb_subfr, psDec->subfr_length ); - - /* Initialize resampler when switching internal or external sampling frequency */ - if( psDec->fs_kHz != fs_kHz || psDec->fs_API_hz != fs_API_Hz ) { - /* Initialize the resampler for dec_API.c preparing resampling from fs_kHz to API_fs_Hz */ - ret += silk_resampler_init( &psDec->resampler_state, silk_SMULBB( fs_kHz, 1000 ), fs_API_Hz, 0 ); - - psDec->fs_API_hz = fs_API_Hz; - } - - if( psDec->fs_kHz != fs_kHz || frame_length != psDec->frame_length ) { - if( fs_kHz == 8 ) { - if( psDec->nb_subfr == MAX_NB_SUBFR ) { - psDec->pitch_contour_iCDF = silk_pitch_contour_NB_iCDF; - } else { - psDec->pitch_contour_iCDF = silk_pitch_contour_10_ms_NB_iCDF; - } - } else { - if( psDec->nb_subfr == MAX_NB_SUBFR ) { - psDec->pitch_contour_iCDF = silk_pitch_contour_iCDF; - } else { - psDec->pitch_contour_iCDF = silk_pitch_contour_10_ms_iCDF; - } - } - if( psDec->fs_kHz != fs_kHz ) { - psDec->ltp_mem_length = silk_SMULBB( LTP_MEM_LENGTH_MS, fs_kHz ); - if( fs_kHz == 8 || fs_kHz == 12 ) { - psDec->LPC_order = MIN_LPC_ORDER; - psDec->psNLSF_CB = &silk_NLSF_CB_NB_MB; - } else { - psDec->LPC_order = MAX_LPC_ORDER; - psDec->psNLSF_CB = &silk_NLSF_CB_WB; - } - if( fs_kHz == 16 ) { - psDec->pitch_lag_low_bits_iCDF = silk_uniform8_iCDF; - } else if( fs_kHz == 12 ) { - psDec->pitch_lag_low_bits_iCDF = silk_uniform6_iCDF; - } else if( fs_kHz == 8 ) { - psDec->pitch_lag_low_bits_iCDF = silk_uniform4_iCDF; - } else { - /* unsupported sampling rate */ - silk_assert( 0 ); - } - psDec->first_frame_after_reset = 1; - psDec->lagPrev = 100; - psDec->LastGainIndex = 10; - psDec->prevSignalType = TYPE_NO_VOICE_ACTIVITY; - silk_memset( psDec->outBuf, 0, sizeof(psDec->outBuf)); - silk_memset( psDec->sLPC_Q14_buf, 0, sizeof(psDec->sLPC_Q14_buf) ); - } - - psDec->fs_kHz = fs_kHz; - psDec->frame_length = frame_length; - } - - /* Check that settings are valid */ - silk_assert( psDec->frame_length > 0 && psDec->frame_length <= MAX_FRAME_LENGTH ); - - return ret; -} - diff --git a/src/opus-1.1/silk/define.h b/src/opus-1.1/silk/define.h deleted file mode 100644 index c47aca9f..00000000 --- a/src/opus-1.1/silk/define.h +++ /dev/null @@ -1,235 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_DEFINE_H -#define SILK_DEFINE_H - -#include "errors.h" -#include "typedef.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Max number of encoder channels (1/2) */ -#define ENCODER_NUM_CHANNELS 2 -/* Number of decoder channels (1/2) */ -#define DECODER_NUM_CHANNELS 2 - -#define MAX_FRAMES_PER_PACKET 3 - -/* Limits on bitrate */ -#define MIN_TARGET_RATE_BPS 5000 -#define MAX_TARGET_RATE_BPS 80000 -#define TARGET_RATE_TAB_SZ 8 - -/* LBRR thresholds */ -#define LBRR_NB_MIN_RATE_BPS 12000 -#define LBRR_MB_MIN_RATE_BPS 14000 -#define LBRR_WB_MIN_RATE_BPS 16000 - -/* DTX settings */ -#define NB_SPEECH_FRAMES_BEFORE_DTX 10 /* eq 200 ms */ -#define MAX_CONSECUTIVE_DTX 20 /* eq 400 ms */ - -/* Maximum sampling frequency */ -#define MAX_FS_KHZ 16 -#define MAX_API_FS_KHZ 48 - -/* Signal types */ -#define TYPE_NO_VOICE_ACTIVITY 0 -#define TYPE_UNVOICED 1 -#define TYPE_VOICED 2 - -/* Conditional coding types */ -#define CODE_INDEPENDENTLY 0 -#define CODE_INDEPENDENTLY_NO_LTP_SCALING 1 -#define CODE_CONDITIONALLY 2 - -/* Settings for stereo processing */ -#define STEREO_QUANT_TAB_SIZE 16 -#define STEREO_QUANT_SUB_STEPS 5 -#define STEREO_INTERP_LEN_MS 8 /* must be even */ -#define STEREO_RATIO_SMOOTH_COEF 0.01 /* smoothing coef for signal norms and stereo width */ - -/* Range of pitch lag estimates */ -#define PITCH_EST_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */ -#define PITCH_EST_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */ - -/* Maximum number of subframes */ -#define MAX_NB_SUBFR 4 - -/* Number of samples per frame */ -#define LTP_MEM_LENGTH_MS 20 -#define SUB_FRAME_LENGTH_MS 5 -#define MAX_SUB_FRAME_LENGTH ( SUB_FRAME_LENGTH_MS * MAX_FS_KHZ ) -#define MAX_FRAME_LENGTH_MS ( SUB_FRAME_LENGTH_MS * MAX_NB_SUBFR ) -#define MAX_FRAME_LENGTH ( MAX_FRAME_LENGTH_MS * MAX_FS_KHZ ) - -/* Milliseconds of lookahead for pitch analysis */ -#define LA_PITCH_MS 2 -#define LA_PITCH_MAX ( LA_PITCH_MS * MAX_FS_KHZ ) - -/* Order of LPC used in find pitch */ -#define MAX_FIND_PITCH_LPC_ORDER 16 - -/* Length of LPC window used in find pitch */ -#define FIND_PITCH_LPC_WIN_MS ( 20 + (LA_PITCH_MS << 1) ) -#define FIND_PITCH_LPC_WIN_MS_2_SF ( 10 + (LA_PITCH_MS << 1) ) -#define FIND_PITCH_LPC_WIN_MAX ( FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ ) - -/* Milliseconds of lookahead for noise shape analysis */ -#define LA_SHAPE_MS 5 -#define LA_SHAPE_MAX ( LA_SHAPE_MS * MAX_FS_KHZ ) - -/* Maximum length of LPC window used in noise shape analysis */ -#define SHAPE_LPC_WIN_MAX ( 15 * MAX_FS_KHZ ) - -/* dB level of lowest gain quantization level */ -#define MIN_QGAIN_DB 2 -/* dB level of highest gain quantization level */ -#define MAX_QGAIN_DB 88 -/* Number of gain quantization levels */ -#define N_LEVELS_QGAIN 64 -/* Max increase in gain quantization index */ -#define MAX_DELTA_GAIN_QUANT 36 -/* Max decrease in gain quantization index */ -#define MIN_DELTA_GAIN_QUANT -4 - -/* Quantization offsets (multiples of 4) */ -#define OFFSET_VL_Q10 32 -#define OFFSET_VH_Q10 100 -#define OFFSET_UVL_Q10 100 -#define OFFSET_UVH_Q10 240 - -#define QUANT_LEVEL_ADJUST_Q10 80 - -/* Maximum numbers of iterations used to stabilize an LPC vector */ -#define MAX_LPC_STABILIZE_ITERATIONS 16 -#define MAX_PREDICTION_POWER_GAIN 1e4f -#define MAX_PREDICTION_POWER_GAIN_AFTER_RESET 1e2f - -#define MAX_LPC_ORDER 16 -#define MIN_LPC_ORDER 10 - -/* Find Pred Coef defines */ -#define LTP_ORDER 5 - -/* LTP quantization settings */ -#define NB_LTP_CBKS 3 - -/* Flag to use harmonic noise shaping */ -#define USE_HARM_SHAPING 1 - -/* Max LPC order of noise shaping filters */ -#define MAX_SHAPE_LPC_ORDER 16 - -#define HARM_SHAPE_FIR_TAPS 3 - -/* Maximum number of delayed decision states */ -#define MAX_DEL_DEC_STATES 4 - -#define LTP_BUF_LENGTH 512 -#define LTP_MASK ( LTP_BUF_LENGTH - 1 ) - -#define DECISION_DELAY 32 -#define DECISION_DELAY_MASK ( DECISION_DELAY - 1 ) - -/* Number of subframes for excitation entropy coding */ -#define SHELL_CODEC_FRAME_LENGTH 16 -#define LOG2_SHELL_CODEC_FRAME_LENGTH 4 -#define MAX_NB_SHELL_BLOCKS ( MAX_FRAME_LENGTH / SHELL_CODEC_FRAME_LENGTH ) - -/* Number of rate levels, for entropy coding of excitation */ -#define N_RATE_LEVELS 10 - -/* Maximum sum of pulses per shell coding frame */ -#define MAX_PULSES 16 - -#define MAX_MATRIX_SIZE MAX_LPC_ORDER /* Max of LPC Order and LTP order */ - -#if( MAX_LPC_ORDER > DECISION_DELAY ) -# define NSQ_LPC_BUF_LENGTH MAX_LPC_ORDER -#else -# define NSQ_LPC_BUF_LENGTH DECISION_DELAY -#endif - -/***************************/ -/* Voice activity detector */ -/***************************/ -#define VAD_N_BANDS 4 - -#define VAD_INTERNAL_SUBFRAMES_LOG2 2 -#define VAD_INTERNAL_SUBFRAMES ( 1 << VAD_INTERNAL_SUBFRAMES_LOG2 ) - -#define VAD_NOISE_LEVEL_SMOOTH_COEF_Q16 1024 /* Must be < 4096 */ -#define VAD_NOISE_LEVELS_BIAS 50 - -/* Sigmoid settings */ -#define VAD_NEGATIVE_OFFSET_Q5 128 /* sigmoid is 0 at -128 */ -#define VAD_SNR_FACTOR_Q16 45000 - -/* smoothing for SNR measurement */ -#define VAD_SNR_SMOOTH_COEF_Q18 4096 - -/* Size of the piecewise linear cosine approximation table for the LSFs */ -#define LSF_COS_TAB_SZ_FIX 128 - -/******************/ -/* NLSF quantizer */ -/******************/ -#define NLSF_W_Q 2 -#define NLSF_VQ_MAX_VECTORS 32 -#define NLSF_VQ_MAX_SURVIVORS 32 -#define NLSF_QUANT_MAX_AMPLITUDE 4 -#define NLSF_QUANT_MAX_AMPLITUDE_EXT 10 -#define NLSF_QUANT_LEVEL_ADJ 0.1 -#define NLSF_QUANT_DEL_DEC_STATES_LOG2 2 -#define NLSF_QUANT_DEL_DEC_STATES ( 1 << NLSF_QUANT_DEL_DEC_STATES_LOG2 ) - -/* Transition filtering for mode switching */ -#define TRANSITION_TIME_MS 5120 /* 5120 = 64 * FRAME_LENGTH_MS * ( TRANSITION_INT_NUM - 1 ) = 64*(20*4)*/ -#define TRANSITION_NB 3 /* Hardcoded in tables */ -#define TRANSITION_NA 2 /* Hardcoded in tables */ -#define TRANSITION_INT_NUM 5 /* Hardcoded in tables */ -#define TRANSITION_FRAMES ( TRANSITION_TIME_MS / MAX_FRAME_LENGTH_MS ) -#define TRANSITION_INT_STEPS ( TRANSITION_FRAMES / ( TRANSITION_INT_NUM - 1 ) ) - -/* BWE factors to apply after packet loss */ -#define BWE_AFTER_LOSS_Q16 63570 - -/* Defines for CN generation */ -#define CNG_BUF_MASK_MAX 255 /* 2^floor(log2(MAX_FRAME_LENGTH))-1 */ -#define CNG_GAIN_SMTH_Q16 4634 /* 0.25^(1/4) */ -#define CNG_NLSF_SMTH_Q16 16348 /* 0.25 */ - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/enc_API.c b/src/opus-1.1/silk/enc_API.c deleted file mode 100644 index 43739efc..00000000 --- a/src/opus-1.1/silk/enc_API.c +++ /dev/null @@ -1,556 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include "define.h" -#include "API.h" -#include "control.h" -#include "typedef.h" -#include "stack_alloc.h" -#include "structs.h" -#include "tuning_parameters.h" -#ifdef FIXED_POINT -#include "main_FIX.h" -#else -#include "main_FLP.h" -#endif - -/***************************************/ -/* Read control structure from encoder */ -/***************************************/ -static opus_int silk_QueryEncoder( /* O Returns error code */ - const void *encState, /* I State */ - silk_EncControlStruct *encStatus /* O Encoder Status */ -); - -/****************************************/ -/* Encoder functions */ -/****************************************/ - -opus_int silk_Get_Encoder_Size( /* O Returns error code */ - opus_int *encSizeBytes /* O Number of bytes in SILK encoder state */ -) -{ - opus_int ret = SILK_NO_ERROR; - - *encSizeBytes = sizeof( silk_encoder ); - - return ret; -} - -/*************************/ -/* Init or Reset encoder */ -/*************************/ -opus_int silk_InitEncoder( /* O Returns error code */ - void *encState, /* I/O State */ - int arch, /* I Run-time architecture */ - silk_EncControlStruct *encStatus /* O Encoder Status */ -) -{ - silk_encoder *psEnc; - opus_int n, ret = SILK_NO_ERROR; - - psEnc = (silk_encoder *)encState; - - /* Reset encoder */ - silk_memset( psEnc, 0, sizeof( silk_encoder ) ); - for( n = 0; n < ENCODER_NUM_CHANNELS; n++ ) { - if( ret += silk_init_encoder( &psEnc->state_Fxx[ n ], arch ) ) { - silk_assert( 0 ); - } - } - - psEnc->nChannelsAPI = 1; - psEnc->nChannelsInternal = 1; - - /* Read control structure */ - if( ret += silk_QueryEncoder( encState, encStatus ) ) { - silk_assert( 0 ); - } - - return ret; -} - -/***************************************/ -/* Read control structure from encoder */ -/***************************************/ -static opus_int silk_QueryEncoder( /* O Returns error code */ - const void *encState, /* I State */ - silk_EncControlStruct *encStatus /* O Encoder Status */ -) -{ - opus_int ret = SILK_NO_ERROR; - silk_encoder_state_Fxx *state_Fxx; - silk_encoder *psEnc = (silk_encoder *)encState; - - state_Fxx = psEnc->state_Fxx; - - encStatus->nChannelsAPI = psEnc->nChannelsAPI; - encStatus->nChannelsInternal = psEnc->nChannelsInternal; - encStatus->API_sampleRate = state_Fxx[ 0 ].sCmn.API_fs_Hz; - encStatus->maxInternalSampleRate = state_Fxx[ 0 ].sCmn.maxInternal_fs_Hz; - encStatus->minInternalSampleRate = state_Fxx[ 0 ].sCmn.minInternal_fs_Hz; - encStatus->desiredInternalSampleRate = state_Fxx[ 0 ].sCmn.desiredInternal_fs_Hz; - encStatus->payloadSize_ms = state_Fxx[ 0 ].sCmn.PacketSize_ms; - encStatus->bitRate = state_Fxx[ 0 ].sCmn.TargetRate_bps; - encStatus->packetLossPercentage = state_Fxx[ 0 ].sCmn.PacketLoss_perc; - encStatus->complexity = state_Fxx[ 0 ].sCmn.Complexity; - encStatus->useInBandFEC = state_Fxx[ 0 ].sCmn.useInBandFEC; - encStatus->useDTX = state_Fxx[ 0 ].sCmn.useDTX; - encStatus->useCBR = state_Fxx[ 0 ].sCmn.useCBR; - encStatus->internalSampleRate = silk_SMULBB( state_Fxx[ 0 ].sCmn.fs_kHz, 1000 ); - encStatus->allowBandwidthSwitch = state_Fxx[ 0 ].sCmn.allow_bandwidth_switch; - encStatus->inWBmodeWithoutVariableLP = state_Fxx[ 0 ].sCmn.fs_kHz == 16 && state_Fxx[ 0 ].sCmn.sLP.mode == 0; - - return ret; -} - - -/**************************/ -/* Encode frame with Silk */ -/**************************/ -/* Note: if prefillFlag is set, the input must contain 10 ms of audio, irrespective of what */ -/* encControl->payloadSize_ms is set to */ -opus_int silk_Encode( /* O Returns error code */ - void *encState, /* I/O State */ - silk_EncControlStruct *encControl, /* I Control status */ - const opus_int16 *samplesIn, /* I Speech sample input vector */ - opus_int nSamplesIn, /* I Number of samples in input vector */ - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int32 *nBytesOut, /* I/O Number of bytes in payload (input: Max bytes) */ - const opus_int prefillFlag /* I Flag to indicate prefilling buffers no coding */ -) -{ - opus_int n, i, nBits, flags, tmp_payloadSize_ms = 0, tmp_complexity = 0, ret = 0; - opus_int nSamplesToBuffer, nSamplesToBufferMax, nBlocksOf10ms; - opus_int nSamplesFromInput = 0, nSamplesFromInputMax; - opus_int speech_act_thr_for_switch_Q8; - opus_int32 TargetRate_bps, MStargetRates_bps[ 2 ], channelRate_bps, LBRR_symbol, sum; - silk_encoder *psEnc = ( silk_encoder * )encState; - VARDECL( opus_int16, buf ); - opus_int transition, curr_block, tot_blocks; - SAVE_STACK; - - if (encControl->reducedDependency) - { - psEnc->state_Fxx[0].sCmn.first_frame_after_reset = 1; - psEnc->state_Fxx[1].sCmn.first_frame_after_reset = 1; - } - psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded = psEnc->state_Fxx[ 1 ].sCmn.nFramesEncoded = 0; - - /* Check values in encoder control structure */ - if( ( ret = check_control_input( encControl ) != 0 ) ) { - silk_assert( 0 ); - RESTORE_STACK; - return ret; - } - - encControl->switchReady = 0; - - if( encControl->nChannelsInternal > psEnc->nChannelsInternal ) { - /* Mono -> Stereo transition: init state of second channel and stereo state */ - ret += silk_init_encoder( &psEnc->state_Fxx[ 1 ], psEnc->state_Fxx[ 0 ].sCmn.arch ); - silk_memset( psEnc->sStereo.pred_prev_Q13, 0, sizeof( psEnc->sStereo.pred_prev_Q13 ) ); - silk_memset( psEnc->sStereo.sSide, 0, sizeof( psEnc->sStereo.sSide ) ); - psEnc->sStereo.mid_side_amp_Q0[ 0 ] = 0; - psEnc->sStereo.mid_side_amp_Q0[ 1 ] = 1; - psEnc->sStereo.mid_side_amp_Q0[ 2 ] = 0; - psEnc->sStereo.mid_side_amp_Q0[ 3 ] = 1; - psEnc->sStereo.width_prev_Q14 = 0; - psEnc->sStereo.smth_width_Q14 = SILK_FIX_CONST( 1, 14 ); - if( psEnc->nChannelsAPI == 2 ) { - silk_memcpy( &psEnc->state_Fxx[ 1 ].sCmn.resampler_state, &psEnc->state_Fxx[ 0 ].sCmn.resampler_state, sizeof( silk_resampler_state_struct ) ); - silk_memcpy( &psEnc->state_Fxx[ 1 ].sCmn.In_HP_State, &psEnc->state_Fxx[ 0 ].sCmn.In_HP_State, sizeof( psEnc->state_Fxx[ 1 ].sCmn.In_HP_State ) ); - } - } - - transition = (encControl->payloadSize_ms != psEnc->state_Fxx[ 0 ].sCmn.PacketSize_ms) || (psEnc->nChannelsInternal != encControl->nChannelsInternal); - - psEnc->nChannelsAPI = encControl->nChannelsAPI; - psEnc->nChannelsInternal = encControl->nChannelsInternal; - - nBlocksOf10ms = silk_DIV32( 100 * nSamplesIn, encControl->API_sampleRate ); - tot_blocks = ( nBlocksOf10ms > 1 ) ? nBlocksOf10ms >> 1 : 1; - curr_block = 0; - if( prefillFlag ) { - /* Only accept input length of 10 ms */ - if( nBlocksOf10ms != 1 ) { - silk_assert( 0 ); - RESTORE_STACK; - return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES; - } - /* Reset Encoder */ - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - ret = silk_init_encoder( &psEnc->state_Fxx[ n ], psEnc->state_Fxx[ n ].sCmn.arch ); - silk_assert( !ret ); - } - tmp_payloadSize_ms = encControl->payloadSize_ms; - encControl->payloadSize_ms = 10; - tmp_complexity = encControl->complexity; - encControl->complexity = 0; - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - psEnc->state_Fxx[ n ].sCmn.controlled_since_last_payload = 0; - psEnc->state_Fxx[ n ].sCmn.prefillFlag = 1; - } - } else { - /* Only accept input lengths that are a multiple of 10 ms */ - if( nBlocksOf10ms * encControl->API_sampleRate != 100 * nSamplesIn || nSamplesIn < 0 ) { - silk_assert( 0 ); - RESTORE_STACK; - return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES; - } - /* Make sure no more than one packet can be produced */ - if( 1000 * (opus_int32)nSamplesIn > encControl->payloadSize_ms * encControl->API_sampleRate ) { - silk_assert( 0 ); - RESTORE_STACK; - return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES; - } - } - - TargetRate_bps = silk_RSHIFT32( encControl->bitRate, encControl->nChannelsInternal - 1 ); - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - /* Force the side channel to the same rate as the mid */ - opus_int force_fs_kHz = (n==1) ? psEnc->state_Fxx[0].sCmn.fs_kHz : 0; - if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, TargetRate_bps, psEnc->allowBandwidthSwitch, n, force_fs_kHz ) ) != 0 ) { - silk_assert( 0 ); - RESTORE_STACK; - return ret; - } - if( psEnc->state_Fxx[n].sCmn.first_frame_after_reset || transition ) { - for( i = 0; i < psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket; i++ ) { - psEnc->state_Fxx[ n ].sCmn.LBRR_flags[ i ] = 0; - } - } - psEnc->state_Fxx[ n ].sCmn.inDTX = psEnc->state_Fxx[ n ].sCmn.useDTX; - } - silk_assert( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 0 ].sCmn.fs_kHz == psEnc->state_Fxx[ 1 ].sCmn.fs_kHz ); - - /* Input buffering/resampling and encoding */ - nSamplesToBufferMax = - 10 * nBlocksOf10ms * psEnc->state_Fxx[ 0 ].sCmn.fs_kHz; - nSamplesFromInputMax = - silk_DIV32_16( nSamplesToBufferMax * - psEnc->state_Fxx[ 0 ].sCmn.API_fs_Hz, - psEnc->state_Fxx[ 0 ].sCmn.fs_kHz * 1000 ); - ALLOC( buf, nSamplesFromInputMax, opus_int16 ); - while( 1 ) { - nSamplesToBuffer = psEnc->state_Fxx[ 0 ].sCmn.frame_length - psEnc->state_Fxx[ 0 ].sCmn.inputBufIx; - nSamplesToBuffer = silk_min( nSamplesToBuffer, nSamplesToBufferMax ); - nSamplesFromInput = silk_DIV32_16( nSamplesToBuffer * psEnc->state_Fxx[ 0 ].sCmn.API_fs_Hz, psEnc->state_Fxx[ 0 ].sCmn.fs_kHz * 1000 ); - /* Resample and write to buffer */ - if( encControl->nChannelsAPI == 2 && encControl->nChannelsInternal == 2 ) { - opus_int id = psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded; - for( n = 0; n < nSamplesFromInput; n++ ) { - buf[ n ] = samplesIn[ 2 * n ]; - } - /* Making sure to start both resamplers from the same state when switching from mono to stereo */ - if( psEnc->nPrevChannelsInternal == 1 && id==0 ) { - silk_memcpy( &psEnc->state_Fxx[ 1 ].sCmn.resampler_state, &psEnc->state_Fxx[ 0 ].sCmn.resampler_state, sizeof(psEnc->state_Fxx[ 1 ].sCmn.resampler_state)); - } - - ret += silk_resampler( &psEnc->state_Fxx[ 0 ].sCmn.resampler_state, - &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.inputBufIx + 2 ], buf, nSamplesFromInput ); - psEnc->state_Fxx[ 0 ].sCmn.inputBufIx += nSamplesToBuffer; - - nSamplesToBuffer = psEnc->state_Fxx[ 1 ].sCmn.frame_length - psEnc->state_Fxx[ 1 ].sCmn.inputBufIx; - nSamplesToBuffer = silk_min( nSamplesToBuffer, 10 * nBlocksOf10ms * psEnc->state_Fxx[ 1 ].sCmn.fs_kHz ); - for( n = 0; n < nSamplesFromInput; n++ ) { - buf[ n ] = samplesIn[ 2 * n + 1 ]; - } - ret += silk_resampler( &psEnc->state_Fxx[ 1 ].sCmn.resampler_state, - &psEnc->state_Fxx[ 1 ].sCmn.inputBuf[ psEnc->state_Fxx[ 1 ].sCmn.inputBufIx + 2 ], buf, nSamplesFromInput ); - - psEnc->state_Fxx[ 1 ].sCmn.inputBufIx += nSamplesToBuffer; - } else if( encControl->nChannelsAPI == 2 && encControl->nChannelsInternal == 1 ) { - /* Combine left and right channels before resampling */ - for( n = 0; n < nSamplesFromInput; n++ ) { - sum = samplesIn[ 2 * n ] + samplesIn[ 2 * n + 1 ]; - buf[ n ] = (opus_int16)silk_RSHIFT_ROUND( sum, 1 ); - } - ret += silk_resampler( &psEnc->state_Fxx[ 0 ].sCmn.resampler_state, - &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.inputBufIx + 2 ], buf, nSamplesFromInput ); - /* On the first mono frame, average the results for the two resampler states */ - if( psEnc->nPrevChannelsInternal == 2 && psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded == 0 ) { - ret += silk_resampler( &psEnc->state_Fxx[ 1 ].sCmn.resampler_state, - &psEnc->state_Fxx[ 1 ].sCmn.inputBuf[ psEnc->state_Fxx[ 1 ].sCmn.inputBufIx + 2 ], buf, nSamplesFromInput ); - for( n = 0; n < psEnc->state_Fxx[ 0 ].sCmn.frame_length; n++ ) { - psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.inputBufIx+n+2 ] = - silk_RSHIFT(psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.inputBufIx+n+2 ] - + psEnc->state_Fxx[ 1 ].sCmn.inputBuf[ psEnc->state_Fxx[ 1 ].sCmn.inputBufIx+n+2 ], 1); - } - } - psEnc->state_Fxx[ 0 ].sCmn.inputBufIx += nSamplesToBuffer; - } else { - silk_assert( encControl->nChannelsAPI == 1 && encControl->nChannelsInternal == 1 ); - silk_memcpy(buf, samplesIn, nSamplesFromInput*sizeof(opus_int16)); - ret += silk_resampler( &psEnc->state_Fxx[ 0 ].sCmn.resampler_state, - &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.inputBufIx + 2 ], buf, nSamplesFromInput ); - psEnc->state_Fxx[ 0 ].sCmn.inputBufIx += nSamplesToBuffer; - } - - samplesIn += nSamplesFromInput * encControl->nChannelsAPI; - nSamplesIn -= nSamplesFromInput; - - /* Default */ - psEnc->allowBandwidthSwitch = 0; - - /* Silk encoder */ - if( psEnc->state_Fxx[ 0 ].sCmn.inputBufIx >= psEnc->state_Fxx[ 0 ].sCmn.frame_length ) { - /* Enough data in input buffer, so encode */ - silk_assert( psEnc->state_Fxx[ 0 ].sCmn.inputBufIx == psEnc->state_Fxx[ 0 ].sCmn.frame_length ); - silk_assert( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 1 ].sCmn.inputBufIx == psEnc->state_Fxx[ 1 ].sCmn.frame_length ); - - /* Deal with LBRR data */ - if( psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded == 0 && !prefillFlag ) { - /* Create space at start of payload for VAD and FEC flags */ - opus_uint8 iCDF[ 2 ] = { 0, 0 }; - iCDF[ 0 ] = 256 - silk_RSHIFT( 256, ( psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket + 1 ) * encControl->nChannelsInternal ); - ec_enc_icdf( psRangeEnc, 0, iCDF, 8 ); - - /* Encode any LBRR data from previous packet */ - /* Encode LBRR flags */ - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - LBRR_symbol = 0; - for( i = 0; i < psEnc->state_Fxx[ n ].sCmn.nFramesPerPacket; i++ ) { - LBRR_symbol |= silk_LSHIFT( psEnc->state_Fxx[ n ].sCmn.LBRR_flags[ i ], i ); - } - psEnc->state_Fxx[ n ].sCmn.LBRR_flag = LBRR_symbol > 0 ? 1 : 0; - if( LBRR_symbol && psEnc->state_Fxx[ n ].sCmn.nFramesPerPacket > 1 ) { - ec_enc_icdf( psRangeEnc, LBRR_symbol - 1, silk_LBRR_flags_iCDF_ptr[ psEnc->state_Fxx[ n ].sCmn.nFramesPerPacket - 2 ], 8 ); - } - } - - /* Code LBRR indices and excitation signals */ - for( i = 0; i < psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket; i++ ) { - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - if( psEnc->state_Fxx[ n ].sCmn.LBRR_flags[ i ] ) { - opus_int condCoding; - - if( encControl->nChannelsInternal == 2 && n == 0 ) { - silk_stereo_encode_pred( psRangeEnc, psEnc->sStereo.predIx[ i ] ); - /* For LBRR data there's no need to code the mid-only flag if the side-channel LBRR flag is set */ - if( psEnc->state_Fxx[ 1 ].sCmn.LBRR_flags[ i ] == 0 ) { - silk_stereo_encode_mid_only( psRangeEnc, psEnc->sStereo.mid_only_flags[ i ] ); - } - } - /* Use conditional coding if previous frame available */ - if( i > 0 && psEnc->state_Fxx[ n ].sCmn.LBRR_flags[ i - 1 ] ) { - condCoding = CODE_CONDITIONALLY; - } else { - condCoding = CODE_INDEPENDENTLY; - } - silk_encode_indices( &psEnc->state_Fxx[ n ].sCmn, psRangeEnc, i, 1, condCoding ); - silk_encode_pulses( psRangeEnc, psEnc->state_Fxx[ n ].sCmn.indices_LBRR[i].signalType, psEnc->state_Fxx[ n ].sCmn.indices_LBRR[i].quantOffsetType, - psEnc->state_Fxx[ n ].sCmn.pulses_LBRR[ i ], psEnc->state_Fxx[ n ].sCmn.frame_length ); - } - } - } - - /* Reset LBRR flags */ - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - silk_memset( psEnc->state_Fxx[ n ].sCmn.LBRR_flags, 0, sizeof( psEnc->state_Fxx[ n ].sCmn.LBRR_flags ) ); - } - } - - silk_HP_variable_cutoff( psEnc->state_Fxx ); - - /* Total target bits for packet */ - nBits = silk_DIV32_16( silk_MUL( encControl->bitRate, encControl->payloadSize_ms ), 1000 ); - /* Subtract half of the bits already used */ - if( !prefillFlag ) { - nBits -= ec_tell( psRangeEnc ) >> 1; - } - /* Divide by number of uncoded frames left in packet */ - nBits = silk_DIV32_16( nBits, psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket - psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ); - /* Convert to bits/second */ - if( encControl->payloadSize_ms == 10 ) { - TargetRate_bps = silk_SMULBB( nBits, 100 ); - } else { - TargetRate_bps = silk_SMULBB( nBits, 50 ); - } - /* Subtract fraction of bits in excess of target in previous packets */ - TargetRate_bps -= silk_DIV32_16( silk_MUL( psEnc->nBitsExceeded, 1000 ), BITRESERVOIR_DECAY_TIME_MS ); - /* Never exceed input bitrate */ - TargetRate_bps = silk_LIMIT( TargetRate_bps, encControl->bitRate, 5000 ); - - /* Convert Left/Right to Mid/Side */ - if( encControl->nChannelsInternal == 2 ) { - silk_stereo_LR_to_MS( &psEnc->sStereo, &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ 2 ], &psEnc->state_Fxx[ 1 ].sCmn.inputBuf[ 2 ], - psEnc->sStereo.predIx[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ], &psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ], - MStargetRates_bps, TargetRate_bps, psEnc->state_Fxx[ 0 ].sCmn.speech_activity_Q8, encControl->toMono, - psEnc->state_Fxx[ 0 ].sCmn.fs_kHz, psEnc->state_Fxx[ 0 ].sCmn.frame_length ); - if( psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] == 0 ) { - /* Reset side channel encoder memory for first frame with side coding */ - if( psEnc->prev_decode_only_middle == 1 ) { - silk_memset( &psEnc->state_Fxx[ 1 ].sShape, 0, sizeof( psEnc->state_Fxx[ 1 ].sShape ) ); - silk_memset( &psEnc->state_Fxx[ 1 ].sPrefilt, 0, sizeof( psEnc->state_Fxx[ 1 ].sPrefilt ) ); - silk_memset( &psEnc->state_Fxx[ 1 ].sCmn.sNSQ, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.sNSQ ) ); - silk_memset( psEnc->state_Fxx[ 1 ].sCmn.prev_NLSFq_Q15, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.prev_NLSFq_Q15 ) ); - silk_memset( &psEnc->state_Fxx[ 1 ].sCmn.sLP.In_LP_State, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.sLP.In_LP_State ) ); - psEnc->state_Fxx[ 1 ].sCmn.prevLag = 100; - psEnc->state_Fxx[ 1 ].sCmn.sNSQ.lagPrev = 100; - psEnc->state_Fxx[ 1 ].sShape.LastGainIndex = 10; - psEnc->state_Fxx[ 1 ].sCmn.prevSignalType = TYPE_NO_VOICE_ACTIVITY; - psEnc->state_Fxx[ 1 ].sCmn.sNSQ.prev_gain_Q16 = 65536; - psEnc->state_Fxx[ 1 ].sCmn.first_frame_after_reset = 1; - } - silk_encode_do_VAD_Fxx( &psEnc->state_Fxx[ 1 ] ); - } else { - psEnc->state_Fxx[ 1 ].sCmn.VAD_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] = 0; - } - if( !prefillFlag ) { - silk_stereo_encode_pred( psRangeEnc, psEnc->sStereo.predIx[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] ); - if( psEnc->state_Fxx[ 1 ].sCmn.VAD_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] == 0 ) { - silk_stereo_encode_mid_only( psRangeEnc, psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] ); - } - } - } else { - /* Buffering */ - silk_memcpy( psEnc->state_Fxx[ 0 ].sCmn.inputBuf, psEnc->sStereo.sMid, 2 * sizeof( opus_int16 ) ); - silk_memcpy( psEnc->sStereo.sMid, &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.frame_length ], 2 * sizeof( opus_int16 ) ); - } - silk_encode_do_VAD_Fxx( &psEnc->state_Fxx[ 0 ] ); - - /* Encode */ - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - opus_int maxBits, useCBR; - - /* Handling rate constraints */ - maxBits = encControl->maxBits; - if( tot_blocks == 2 && curr_block == 0 ) { - maxBits = maxBits * 3 / 5; - } else if( tot_blocks == 3 ) { - if( curr_block == 0 ) { - maxBits = maxBits * 2 / 5; - } else if( curr_block == 1 ) { - maxBits = maxBits * 3 / 4; - } - } - useCBR = encControl->useCBR && curr_block == tot_blocks - 1; - - if( encControl->nChannelsInternal == 1 ) { - channelRate_bps = TargetRate_bps; - } else { - channelRate_bps = MStargetRates_bps[ n ]; - if( n == 0 && MStargetRates_bps[ 1 ] > 0 ) { - useCBR = 0; - /* Give mid up to 1/2 of the max bits for that frame */ - maxBits -= encControl->maxBits / ( tot_blocks * 2 ); - } - } - - if( channelRate_bps > 0 ) { - opus_int condCoding; - - silk_control_SNR( &psEnc->state_Fxx[ n ].sCmn, channelRate_bps ); - - /* Use independent coding if no previous frame available */ - if( psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded - n <= 0 ) { - condCoding = CODE_INDEPENDENTLY; - } else if( n > 0 && psEnc->prev_decode_only_middle ) { - /* If we skipped a side frame in this packet, we don't - need LTP scaling; the LTP state is well-defined. */ - condCoding = CODE_INDEPENDENTLY_NO_LTP_SCALING; - } else { - condCoding = CODE_CONDITIONALLY; - } - if( ( ret = silk_encode_frame_Fxx( &psEnc->state_Fxx[ n ], nBytesOut, psRangeEnc, condCoding, maxBits, useCBR ) ) != 0 ) { - silk_assert( 0 ); - } - } - psEnc->state_Fxx[ n ].sCmn.controlled_since_last_payload = 0; - psEnc->state_Fxx[ n ].sCmn.inputBufIx = 0; - psEnc->state_Fxx[ n ].sCmn.nFramesEncoded++; - } - psEnc->prev_decode_only_middle = psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded - 1 ]; - - /* Insert VAD and FEC flags at beginning of bitstream */ - if( *nBytesOut > 0 && psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded == psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket) { - flags = 0; - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - for( i = 0; i < psEnc->state_Fxx[ n ].sCmn.nFramesPerPacket; i++ ) { - flags = silk_LSHIFT( flags, 1 ); - flags |= psEnc->state_Fxx[ n ].sCmn.VAD_flags[ i ]; - } - flags = silk_LSHIFT( flags, 1 ); - flags |= psEnc->state_Fxx[ n ].sCmn.LBRR_flag; - } - if( !prefillFlag ) { - ec_enc_patch_initial_bits( psRangeEnc, flags, ( psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket + 1 ) * encControl->nChannelsInternal ); - } - - /* Return zero bytes if all channels DTXed */ - if( psEnc->state_Fxx[ 0 ].sCmn.inDTX && ( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 1 ].sCmn.inDTX ) ) { - *nBytesOut = 0; - } - - psEnc->nBitsExceeded += *nBytesOut * 8; - psEnc->nBitsExceeded -= silk_DIV32_16( silk_MUL( encControl->bitRate, encControl->payloadSize_ms ), 1000 ); - psEnc->nBitsExceeded = silk_LIMIT( psEnc->nBitsExceeded, 0, 10000 ); - - /* Update flag indicating if bandwidth switching is allowed */ - speech_act_thr_for_switch_Q8 = silk_SMLAWB( SILK_FIX_CONST( SPEECH_ACTIVITY_DTX_THRES, 8 ), - SILK_FIX_CONST( ( 1 - SPEECH_ACTIVITY_DTX_THRES ) / MAX_BANDWIDTH_SWITCH_DELAY_MS, 16 + 8 ), psEnc->timeSinceSwitchAllowed_ms ); - if( psEnc->state_Fxx[ 0 ].sCmn.speech_activity_Q8 < speech_act_thr_for_switch_Q8 ) { - psEnc->allowBandwidthSwitch = 1; - psEnc->timeSinceSwitchAllowed_ms = 0; - } else { - psEnc->allowBandwidthSwitch = 0; - psEnc->timeSinceSwitchAllowed_ms += encControl->payloadSize_ms; - } - } - - if( nSamplesIn == 0 ) { - break; - } - } else { - break; - } - curr_block++; - } - - psEnc->nPrevChannelsInternal = encControl->nChannelsInternal; - - encControl->allowBandwidthSwitch = psEnc->allowBandwidthSwitch; - encControl->inWBmodeWithoutVariableLP = psEnc->state_Fxx[ 0 ].sCmn.fs_kHz == 16 && psEnc->state_Fxx[ 0 ].sCmn.sLP.mode == 0; - encControl->internalSampleRate = silk_SMULBB( psEnc->state_Fxx[ 0 ].sCmn.fs_kHz, 1000 ); - encControl->stereoWidth_Q14 = encControl->toMono ? 0 : psEnc->sStereo.smth_width_Q14; - if( prefillFlag ) { - encControl->payloadSize_ms = tmp_payloadSize_ms; - encControl->complexity = tmp_complexity; - for( n = 0; n < encControl->nChannelsInternal; n++ ) { - psEnc->state_Fxx[ n ].sCmn.controlled_since_last_payload = 0; - psEnc->state_Fxx[ n ].sCmn.prefillFlag = 0; - } - } - - RESTORE_STACK; - return ret; -} - diff --git a/src/opus-1.1/silk/encode_indices.c b/src/opus-1.1/silk/encode_indices.c deleted file mode 100644 index 666c8c0b..00000000 --- a/src/opus-1.1/silk/encode_indices.c +++ /dev/null @@ -1,181 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Encode side-information parameters to payload */ -void silk_encode_indices( - silk_encoder_state *psEncC, /* I/O Encoder state */ - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int FrameIndex, /* I Frame number */ - opus_int encode_LBRR, /* I Flag indicating LBRR data is being encoded */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int i, k, typeOffset; - opus_int encode_absolute_lagIndex, delta_lagIndex; - opus_int16 ec_ix[ MAX_LPC_ORDER ]; - opus_uint8 pred_Q8[ MAX_LPC_ORDER ]; - const SideInfoIndices *psIndices; - - if( encode_LBRR ) { - psIndices = &psEncC->indices_LBRR[ FrameIndex ]; - } else { - psIndices = &psEncC->indices; - } - - /*******************************************/ - /* Encode signal type and quantizer offset */ - /*******************************************/ - typeOffset = 2 * psIndices->signalType + psIndices->quantOffsetType; - silk_assert( typeOffset >= 0 && typeOffset < 6 ); - silk_assert( encode_LBRR == 0 || typeOffset >= 2 ); - if( encode_LBRR || typeOffset >= 2 ) { - ec_enc_icdf( psRangeEnc, typeOffset - 2, silk_type_offset_VAD_iCDF, 8 ); - } else { - ec_enc_icdf( psRangeEnc, typeOffset, silk_type_offset_no_VAD_iCDF, 8 ); - } - - /****************/ - /* Encode gains */ - /****************/ - /* first subframe */ - if( condCoding == CODE_CONDITIONALLY ) { - /* conditional coding */ - silk_assert( psIndices->GainsIndices[ 0 ] >= 0 && psIndices->GainsIndices[ 0 ] < MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ); - ec_enc_icdf( psRangeEnc, psIndices->GainsIndices[ 0 ], silk_delta_gain_iCDF, 8 ); - } else { - /* independent coding, in two stages: MSB bits followed by 3 LSBs */ - silk_assert( psIndices->GainsIndices[ 0 ] >= 0 && psIndices->GainsIndices[ 0 ] < N_LEVELS_QGAIN ); - ec_enc_icdf( psRangeEnc, silk_RSHIFT( psIndices->GainsIndices[ 0 ], 3 ), silk_gain_iCDF[ psIndices->signalType ], 8 ); - ec_enc_icdf( psRangeEnc, psIndices->GainsIndices[ 0 ] & 7, silk_uniform8_iCDF, 8 ); - } - - /* remaining subframes */ - for( i = 1; i < psEncC->nb_subfr; i++ ) { - silk_assert( psIndices->GainsIndices[ i ] >= 0 && psIndices->GainsIndices[ i ] < MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ); - ec_enc_icdf( psRangeEnc, psIndices->GainsIndices[ i ], silk_delta_gain_iCDF, 8 ); - } - - /****************/ - /* Encode NLSFs */ - /****************/ - ec_enc_icdf( psRangeEnc, psIndices->NLSFIndices[ 0 ], &psEncC->psNLSF_CB->CB1_iCDF[ ( psIndices->signalType >> 1 ) * psEncC->psNLSF_CB->nVectors ], 8 ); - silk_NLSF_unpack( ec_ix, pred_Q8, psEncC->psNLSF_CB, psIndices->NLSFIndices[ 0 ] ); - silk_assert( psEncC->psNLSF_CB->order == psEncC->predictLPCOrder ); - for( i = 0; i < psEncC->psNLSF_CB->order; i++ ) { - if( psIndices->NLSFIndices[ i+1 ] >= NLSF_QUANT_MAX_AMPLITUDE ) { - ec_enc_icdf( psRangeEnc, 2 * NLSF_QUANT_MAX_AMPLITUDE, &psEncC->psNLSF_CB->ec_iCDF[ ec_ix[ i ] ], 8 ); - ec_enc_icdf( psRangeEnc, psIndices->NLSFIndices[ i+1 ] - NLSF_QUANT_MAX_AMPLITUDE, silk_NLSF_EXT_iCDF, 8 ); - } else if( psIndices->NLSFIndices[ i+1 ] <= -NLSF_QUANT_MAX_AMPLITUDE ) { - ec_enc_icdf( psRangeEnc, 0, &psEncC->psNLSF_CB->ec_iCDF[ ec_ix[ i ] ], 8 ); - ec_enc_icdf( psRangeEnc, -psIndices->NLSFIndices[ i+1 ] - NLSF_QUANT_MAX_AMPLITUDE, silk_NLSF_EXT_iCDF, 8 ); - } else { - ec_enc_icdf( psRangeEnc, psIndices->NLSFIndices[ i+1 ] + NLSF_QUANT_MAX_AMPLITUDE, &psEncC->psNLSF_CB->ec_iCDF[ ec_ix[ i ] ], 8 ); - } - } - - /* Encode NLSF interpolation factor */ - if( psEncC->nb_subfr == MAX_NB_SUBFR ) { - silk_assert( psIndices->NLSFInterpCoef_Q2 >= 0 && psIndices->NLSFInterpCoef_Q2 < 5 ); - ec_enc_icdf( psRangeEnc, psIndices->NLSFInterpCoef_Q2, silk_NLSF_interpolation_factor_iCDF, 8 ); - } - - if( psIndices->signalType == TYPE_VOICED ) - { - /*********************/ - /* Encode pitch lags */ - /*********************/ - /* lag index */ - encode_absolute_lagIndex = 1; - if( condCoding == CODE_CONDITIONALLY && psEncC->ec_prevSignalType == TYPE_VOICED ) { - /* Delta Encoding */ - delta_lagIndex = psIndices->lagIndex - psEncC->ec_prevLagIndex; - if( delta_lagIndex < -8 || delta_lagIndex > 11 ) { - delta_lagIndex = 0; - } else { - delta_lagIndex = delta_lagIndex + 9; - encode_absolute_lagIndex = 0; /* Only use delta */ - } - silk_assert( delta_lagIndex >= 0 && delta_lagIndex < 21 ); - ec_enc_icdf( psRangeEnc, delta_lagIndex, silk_pitch_delta_iCDF, 8 ); - } - if( encode_absolute_lagIndex ) { - /* Absolute encoding */ - opus_int32 pitch_high_bits, pitch_low_bits; - pitch_high_bits = silk_DIV32_16( psIndices->lagIndex, silk_RSHIFT( psEncC->fs_kHz, 1 ) ); - pitch_low_bits = psIndices->lagIndex - silk_SMULBB( pitch_high_bits, silk_RSHIFT( psEncC->fs_kHz, 1 ) ); - silk_assert( pitch_low_bits < psEncC->fs_kHz / 2 ); - silk_assert( pitch_high_bits < 32 ); - ec_enc_icdf( psRangeEnc, pitch_high_bits, silk_pitch_lag_iCDF, 8 ); - ec_enc_icdf( psRangeEnc, pitch_low_bits, psEncC->pitch_lag_low_bits_iCDF, 8 ); - } - psEncC->ec_prevLagIndex = psIndices->lagIndex; - - /* Countour index */ - silk_assert( psIndices->contourIndex >= 0 ); - silk_assert( ( psIndices->contourIndex < 34 && psEncC->fs_kHz > 8 && psEncC->nb_subfr == 4 ) || - ( psIndices->contourIndex < 11 && psEncC->fs_kHz == 8 && psEncC->nb_subfr == 4 ) || - ( psIndices->contourIndex < 12 && psEncC->fs_kHz > 8 && psEncC->nb_subfr == 2 ) || - ( psIndices->contourIndex < 3 && psEncC->fs_kHz == 8 && psEncC->nb_subfr == 2 ) ); - ec_enc_icdf( psRangeEnc, psIndices->contourIndex, psEncC->pitch_contour_iCDF, 8 ); - - /********************/ - /* Encode LTP gains */ - /********************/ - /* PERIndex value */ - silk_assert( psIndices->PERIndex >= 0 && psIndices->PERIndex < 3 ); - ec_enc_icdf( psRangeEnc, psIndices->PERIndex, silk_LTP_per_index_iCDF, 8 ); - - /* Codebook Indices */ - for( k = 0; k < psEncC->nb_subfr; k++ ) { - silk_assert( psIndices->LTPIndex[ k ] >= 0 && psIndices->LTPIndex[ k ] < ( 8 << psIndices->PERIndex ) ); - ec_enc_icdf( psRangeEnc, psIndices->LTPIndex[ k ], silk_LTP_gain_iCDF_ptrs[ psIndices->PERIndex ], 8 ); - } - - /**********************/ - /* Encode LTP scaling */ - /**********************/ - if( condCoding == CODE_INDEPENDENTLY ) { - silk_assert( psIndices->LTP_scaleIndex >= 0 && psIndices->LTP_scaleIndex < 3 ); - ec_enc_icdf( psRangeEnc, psIndices->LTP_scaleIndex, silk_LTPscale_iCDF, 8 ); - } - silk_assert( !condCoding || psIndices->LTP_scaleIndex == 0 ); - } - - psEncC->ec_prevSignalType = psIndices->signalType; - - /***************/ - /* Encode seed */ - /***************/ - silk_assert( psIndices->Seed >= 0 && psIndices->Seed < 4 ); - ec_enc_icdf( psRangeEnc, psIndices->Seed, silk_uniform4_iCDF, 8 ); -} diff --git a/src/opus-1.1/silk/encode_pulses.c b/src/opus-1.1/silk/encode_pulses.c deleted file mode 100644 index a4501438..00000000 --- a/src/opus-1.1/silk/encode_pulses.c +++ /dev/null @@ -1,206 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -/*********************************************/ -/* Encode quantization indices of excitation */ -/*********************************************/ - -static OPUS_INLINE opus_int combine_and_check( /* return ok */ - opus_int *pulses_comb, /* O */ - const opus_int *pulses_in, /* I */ - opus_int max_pulses, /* I max value for sum of pulses */ - opus_int len /* I number of output values */ -) -{ - opus_int k, sum; - - for( k = 0; k < len; k++ ) { - sum = pulses_in[ 2 * k ] + pulses_in[ 2 * k + 1 ]; - if( sum > max_pulses ) { - return 1; - } - pulses_comb[ k ] = sum; - } - - return 0; -} - -/* Encode quantization indices of excitation */ -void silk_encode_pulses( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I quantOffsetType */ - opus_int8 pulses[], /* I quantization indices */ - const opus_int frame_length /* I Frame length */ -) -{ - opus_int i, k, j, iter, bit, nLS, scale_down, RateLevelIndex = 0; - opus_int32 abs_q, minSumBits_Q5, sumBits_Q5; - VARDECL( opus_int, abs_pulses ); - VARDECL( opus_int, sum_pulses ); - VARDECL( opus_int, nRshifts ); - opus_int pulses_comb[ 8 ]; - opus_int *abs_pulses_ptr; - const opus_int8 *pulses_ptr; - const opus_uint8 *cdf_ptr; - const opus_uint8 *nBits_ptr; - SAVE_STACK; - - silk_memset( pulses_comb, 0, 8 * sizeof( opus_int ) ); /* Fixing Valgrind reported problem*/ - - /****************************/ - /* Prepare for shell coding */ - /****************************/ - /* Calculate number of shell blocks */ - silk_assert( 1 << LOG2_SHELL_CODEC_FRAME_LENGTH == SHELL_CODEC_FRAME_LENGTH ); - iter = silk_RSHIFT( frame_length, LOG2_SHELL_CODEC_FRAME_LENGTH ); - if( iter * SHELL_CODEC_FRAME_LENGTH < frame_length ) { - silk_assert( frame_length == 12 * 10 ); /* Make sure only happens for 10 ms @ 12 kHz */ - iter++; - silk_memset( &pulses[ frame_length ], 0, SHELL_CODEC_FRAME_LENGTH * sizeof(opus_int8)); - } - - /* Take the absolute value of the pulses */ - ALLOC( abs_pulses, iter * SHELL_CODEC_FRAME_LENGTH, opus_int ); - silk_assert( !( SHELL_CODEC_FRAME_LENGTH & 3 ) ); - for( i = 0; i < iter * SHELL_CODEC_FRAME_LENGTH; i+=4 ) { - abs_pulses[i+0] = ( opus_int )silk_abs( pulses[ i + 0 ] ); - abs_pulses[i+1] = ( opus_int )silk_abs( pulses[ i + 1 ] ); - abs_pulses[i+2] = ( opus_int )silk_abs( pulses[ i + 2 ] ); - abs_pulses[i+3] = ( opus_int )silk_abs( pulses[ i + 3 ] ); - } - - /* Calc sum pulses per shell code frame */ - ALLOC( sum_pulses, iter, opus_int ); - ALLOC( nRshifts, iter, opus_int ); - abs_pulses_ptr = abs_pulses; - for( i = 0; i < iter; i++ ) { - nRshifts[ i ] = 0; - - while( 1 ) { - /* 1+1 -> 2 */ - scale_down = combine_and_check( pulses_comb, abs_pulses_ptr, silk_max_pulses_table[ 0 ], 8 ); - /* 2+2 -> 4 */ - scale_down += combine_and_check( pulses_comb, pulses_comb, silk_max_pulses_table[ 1 ], 4 ); - /* 4+4 -> 8 */ - scale_down += combine_and_check( pulses_comb, pulses_comb, silk_max_pulses_table[ 2 ], 2 ); - /* 8+8 -> 16 */ - scale_down += combine_and_check( &sum_pulses[ i ], pulses_comb, silk_max_pulses_table[ 3 ], 1 ); - - if( scale_down ) { - /* We need to downscale the quantization signal */ - nRshifts[ i ]++; - for( k = 0; k < SHELL_CODEC_FRAME_LENGTH; k++ ) { - abs_pulses_ptr[ k ] = silk_RSHIFT( abs_pulses_ptr[ k ], 1 ); - } - } else { - /* Jump out of while(1) loop and go to next shell coding frame */ - break; - } - } - abs_pulses_ptr += SHELL_CODEC_FRAME_LENGTH; - } - - /**************/ - /* Rate level */ - /**************/ - /* find rate level that leads to fewest bits for coding of pulses per block info */ - minSumBits_Q5 = silk_int32_MAX; - for( k = 0; k < N_RATE_LEVELS - 1; k++ ) { - nBits_ptr = silk_pulses_per_block_BITS_Q5[ k ]; - sumBits_Q5 = silk_rate_levels_BITS_Q5[ signalType >> 1 ][ k ]; - for( i = 0; i < iter; i++ ) { - if( nRshifts[ i ] > 0 ) { - sumBits_Q5 += nBits_ptr[ MAX_PULSES + 1 ]; - } else { - sumBits_Q5 += nBits_ptr[ sum_pulses[ i ] ]; - } - } - if( sumBits_Q5 < minSumBits_Q5 ) { - minSumBits_Q5 = sumBits_Q5; - RateLevelIndex = k; - } - } - ec_enc_icdf( psRangeEnc, RateLevelIndex, silk_rate_levels_iCDF[ signalType >> 1 ], 8 ); - - /***************************************************/ - /* Sum-Weighted-Pulses Encoding */ - /***************************************************/ - cdf_ptr = silk_pulses_per_block_iCDF[ RateLevelIndex ]; - for( i = 0; i < iter; i++ ) { - if( nRshifts[ i ] == 0 ) { - ec_enc_icdf( psRangeEnc, sum_pulses[ i ], cdf_ptr, 8 ); - } else { - ec_enc_icdf( psRangeEnc, MAX_PULSES + 1, cdf_ptr, 8 ); - for( k = 0; k < nRshifts[ i ] - 1; k++ ) { - ec_enc_icdf( psRangeEnc, MAX_PULSES + 1, silk_pulses_per_block_iCDF[ N_RATE_LEVELS - 1 ], 8 ); - } - ec_enc_icdf( psRangeEnc, sum_pulses[ i ], silk_pulses_per_block_iCDF[ N_RATE_LEVELS - 1 ], 8 ); - } - } - - /******************/ - /* Shell Encoding */ - /******************/ - for( i = 0; i < iter; i++ ) { - if( sum_pulses[ i ] > 0 ) { - silk_shell_encoder( psRangeEnc, &abs_pulses[ i * SHELL_CODEC_FRAME_LENGTH ] ); - } - } - - /****************/ - /* LSB Encoding */ - /****************/ - for( i = 0; i < iter; i++ ) { - if( nRshifts[ i ] > 0 ) { - pulses_ptr = &pulses[ i * SHELL_CODEC_FRAME_LENGTH ]; - nLS = nRshifts[ i ] - 1; - for( k = 0; k < SHELL_CODEC_FRAME_LENGTH; k++ ) { - abs_q = (opus_int8)silk_abs( pulses_ptr[ k ] ); - for( j = nLS; j > 0; j-- ) { - bit = silk_RSHIFT( abs_q, j ) & 1; - ec_enc_icdf( psRangeEnc, bit, silk_lsb_iCDF, 8 ); - } - bit = abs_q & 1; - ec_enc_icdf( psRangeEnc, bit, silk_lsb_iCDF, 8 ); - } - } - } - - /****************/ - /* Encode signs */ - /****************/ - silk_encode_signs( psRangeEnc, pulses, frame_length, signalType, quantOffsetType, sum_pulses ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/errors.h b/src/opus-1.1/silk/errors.h deleted file mode 100644 index 45070800..00000000 --- a/src/opus-1.1/silk/errors.h +++ /dev/null @@ -1,98 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_ERRORS_H -#define SILK_ERRORS_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -/******************/ -/* Error messages */ -/******************/ -#define SILK_NO_ERROR 0 - -/**************************/ -/* Encoder error messages */ -/**************************/ - -/* Input length is not a multiple of 10 ms, or length is longer than the packet length */ -#define SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES -101 - -/* Sampling frequency not 8000, 12000 or 16000 Hertz */ -#define SILK_ENC_FS_NOT_SUPPORTED -102 - -/* Packet size not 10, 20, 40, or 60 ms */ -#define SILK_ENC_PACKET_SIZE_NOT_SUPPORTED -103 - -/* Allocated payload buffer too short */ -#define SILK_ENC_PAYLOAD_BUF_TOO_SHORT -104 - -/* Loss rate not between 0 and 100 percent */ -#define SILK_ENC_INVALID_LOSS_RATE -105 - -/* Complexity setting not valid, use 0...10 */ -#define SILK_ENC_INVALID_COMPLEXITY_SETTING -106 - -/* Inband FEC setting not valid, use 0 or 1 */ -#define SILK_ENC_INVALID_INBAND_FEC_SETTING -107 - -/* DTX setting not valid, use 0 or 1 */ -#define SILK_ENC_INVALID_DTX_SETTING -108 - -/* CBR setting not valid, use 0 or 1 */ -#define SILK_ENC_INVALID_CBR_SETTING -109 - -/* Internal encoder error */ -#define SILK_ENC_INTERNAL_ERROR -110 - -/* Internal encoder error */ -#define SILK_ENC_INVALID_NUMBER_OF_CHANNELS_ERROR -111 - -/**************************/ -/* Decoder error messages */ -/**************************/ - -/* Output sampling frequency lower than internal decoded sampling frequency */ -#define SILK_DEC_INVALID_SAMPLING_FREQUENCY -200 - -/* Payload size exceeded the maximum allowed 1024 bytes */ -#define SILK_DEC_PAYLOAD_TOO_LARGE -201 - -/* Payload has bit errors */ -#define SILK_DEC_PAYLOAD_ERROR -202 - -/* Payload has bit errors */ -#define SILK_DEC_INVALID_FRAME_SIZE -203 - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/fixed/LTP_analysis_filter_FIX.c b/src/opus-1.1/silk/fixed/LTP_analysis_filter_FIX.c deleted file mode 100644 index a9419080..00000000 --- a/src/opus-1.1/silk/fixed/LTP_analysis_filter_FIX.c +++ /dev/null @@ -1,85 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" - -void silk_LTP_analysis_filter_FIX( - opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */ - const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */ - const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */ - const opus_int subfr_length, /* I Length of each subframe */ - const opus_int nb_subfr, /* I Number of subframes */ - const opus_int pre_length /* I Length of the preceding samples starting at &x[0] for each subframe */ -) -{ - const opus_int16 *x_ptr, *x_lag_ptr; - opus_int16 Btmp_Q14[ LTP_ORDER ]; - opus_int16 *LTP_res_ptr; - opus_int k, i, j; - opus_int32 LTP_est; - - x_ptr = x; - LTP_res_ptr = LTP_res; - for( k = 0; k < nb_subfr; k++ ) { - - x_lag_ptr = x_ptr - pitchL[ k ]; - for( i = 0; i < LTP_ORDER; i++ ) { - Btmp_Q14[ i ] = LTPCoef_Q14[ k * LTP_ORDER + i ]; - } - - /* LTP analysis FIR filter */ - for( i = 0; i < subfr_length + pre_length; i++ ) { - LTP_res_ptr[ i ] = x_ptr[ i ]; - - /* Long-term prediction */ - LTP_est = silk_SMULBB( x_lag_ptr[ LTP_ORDER / 2 ], Btmp_Q14[ 0 ] ); - for( j = 1; j < LTP_ORDER; j++ ) { - LTP_est = silk_SMLABB_ovflw( LTP_est, x_lag_ptr[ LTP_ORDER / 2 - j ], Btmp_Q14[ j ] ); - } - LTP_est = silk_RSHIFT_ROUND( LTP_est, 14 ); /* round and -> Q0*/ - - /* Subtract long-term prediction */ - LTP_res_ptr[ i ] = (opus_int16)silk_SAT16( (opus_int32)x_ptr[ i ] - LTP_est ); - - /* Scale residual */ - LTP_res_ptr[ i ] = silk_SMULWB( invGains_Q16[ k ], LTP_res_ptr[ i ] ); - - x_lag_ptr++; - } - - /* Update pointers */ - LTP_res_ptr += subfr_length + pre_length; - x_ptr += subfr_length; - } -} - diff --git a/src/opus-1.1/silk/fixed/LTP_scale_ctrl_FIX.c b/src/opus-1.1/silk/fixed/LTP_scale_ctrl_FIX.c deleted file mode 100644 index 3dcedef8..00000000 --- a/src/opus-1.1/silk/fixed/LTP_scale_ctrl_FIX.c +++ /dev/null @@ -1,53 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" - -/* Calculation of LTP state scaling */ -void silk_LTP_scale_ctrl_FIX( - silk_encoder_state_FIX *psEnc, /* I/O encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int round_loss; - - if( condCoding == CODE_INDEPENDENTLY ) { - /* Only scale if first frame in packet */ - round_loss = psEnc->sCmn.PacketLoss_perc + psEnc->sCmn.nFramesPerPacket; - psEnc->sCmn.indices.LTP_scaleIndex = (opus_int8)silk_LIMIT( - silk_SMULWB( silk_SMULBB( round_loss, psEncCtrl->LTPredCodGain_Q7 ), SILK_FIX_CONST( 0.1, 9 ) ), 0, 2 ); - } else { - /* Default is minimum scaling */ - psEnc->sCmn.indices.LTP_scaleIndex = 0; - } - psEncCtrl->LTP_scale_Q14 = silk_LTPScales_table_Q14[ psEnc->sCmn.indices.LTP_scaleIndex ]; -} diff --git a/src/opus-1.1/silk/fixed/apply_sine_window_FIX.c b/src/opus-1.1/silk/fixed/apply_sine_window_FIX.c deleted file mode 100644 index 4502b713..00000000 --- a/src/opus-1.1/silk/fixed/apply_sine_window_FIX.c +++ /dev/null @@ -1,101 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Apply sine window to signal vector. */ -/* Window types: */ -/* 1 -> sine window from 0 to pi/2 */ -/* 2 -> sine window from pi/2 to pi */ -/* Every other sample is linearly interpolated, for speed. */ -/* Window length must be between 16 and 120 (incl) and a multiple of 4. */ - -/* Matlab code for table: - for k=16:9*4:16+2*9*4, fprintf(' %7.d,', -round(65536*pi ./ (k:4:k+8*4))); fprintf('\n'); end -*/ -static const opus_int16 freq_table_Q16[ 27 ] = { - 12111, 9804, 8235, 7100, 6239, 5565, 5022, 4575, 4202, - 3885, 3612, 3375, 3167, 2984, 2820, 2674, 2542, 2422, - 2313, 2214, 2123, 2038, 1961, 1889, 1822, 1760, 1702, -}; - -void silk_apply_sine_window( - opus_int16 px_win[], /* O Pointer to windowed signal */ - const opus_int16 px[], /* I Pointer to input signal */ - const opus_int win_type, /* I Selects a window type */ - const opus_int length /* I Window length, multiple of 4 */ -) -{ - opus_int k, f_Q16, c_Q16; - opus_int32 S0_Q16, S1_Q16; - - silk_assert( win_type == 1 || win_type == 2 ); - - /* Length must be in a range from 16 to 120 and a multiple of 4 */ - silk_assert( length >= 16 && length <= 120 ); - silk_assert( ( length & 3 ) == 0 ); - - /* Frequency */ - k = ( length >> 2 ) - 4; - silk_assert( k >= 0 && k <= 26 ); - f_Q16 = (opus_int)freq_table_Q16[ k ]; - - /* Factor used for cosine approximation */ - c_Q16 = silk_SMULWB( (opus_int32)f_Q16, -f_Q16 ); - silk_assert( c_Q16 >= -32768 ); - - /* initialize state */ - if( win_type == 1 ) { - /* start from 0 */ - S0_Q16 = 0; - /* approximation of sin(f) */ - S1_Q16 = f_Q16 + silk_RSHIFT( length, 3 ); - } else { - /* start from 1 */ - S0_Q16 = ( (opus_int32)1 << 16 ); - /* approximation of cos(f) */ - S1_Q16 = ( (opus_int32)1 << 16 ) + silk_RSHIFT( c_Q16, 1 ) + silk_RSHIFT( length, 4 ); - } - - /* Uses the recursive equation: sin(n*f) = 2 * cos(f) * sin((n-1)*f) - sin((n-2)*f) */ - /* 4 samples at a time */ - for( k = 0; k < length; k += 4 ) { - px_win[ k ] = (opus_int16)silk_SMULWB( silk_RSHIFT( S0_Q16 + S1_Q16, 1 ), px[ k ] ); - px_win[ k + 1 ] = (opus_int16)silk_SMULWB( S1_Q16, px[ k + 1] ); - S0_Q16 = silk_SMULWB( S1_Q16, c_Q16 ) + silk_LSHIFT( S1_Q16, 1 ) - S0_Q16 + 1; - S0_Q16 = silk_min( S0_Q16, ( (opus_int32)1 << 16 ) ); - - px_win[ k + 2 ] = (opus_int16)silk_SMULWB( silk_RSHIFT( S0_Q16 + S1_Q16, 1 ), px[ k + 2] ); - px_win[ k + 3 ] = (opus_int16)silk_SMULWB( S0_Q16, px[ k + 3 ] ); - S1_Q16 = silk_SMULWB( S0_Q16, c_Q16 ) + silk_LSHIFT( S0_Q16, 1 ) - S1_Q16; - S1_Q16 = silk_min( S1_Q16, ( (opus_int32)1 << 16 ) ); - } -} diff --git a/src/opus-1.1/silk/fixed/autocorr_FIX.c b/src/opus-1.1/silk/fixed/autocorr_FIX.c deleted file mode 100644 index de95c986..00000000 --- a/src/opus-1.1/silk/fixed/autocorr_FIX.c +++ /dev/null @@ -1,48 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "celt_lpc.h" - -/* Compute autocorrelation */ -void silk_autocorr( - opus_int32 *results, /* O Result (length correlationCount) */ - opus_int *scale, /* O Scaling of the correlation vector */ - const opus_int16 *inputData, /* I Input data to correlate */ - const opus_int inputDataSize, /* I Length of input */ - const opus_int correlationCount, /* I Number of correlation taps to compute */ - int arch /* I Run-time architecture */ -) -{ - opus_int corrCount; - corrCount = silk_min_int( inputDataSize, correlationCount ); - *scale = _celt_autocorr(inputData, results, NULL, 0, corrCount-1, inputDataSize, arch); -} diff --git a/src/opus-1.1/silk/fixed/burg_modified_FIX.c b/src/opus-1.1/silk/fixed/burg_modified_FIX.c deleted file mode 100644 index db348295..00000000 --- a/src/opus-1.1/silk/fixed/burg_modified_FIX.c +++ /dev/null @@ -1,279 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "define.h" -#include "tuning_parameters.h" -#include "pitch.h" - -#define MAX_FRAME_SIZE 384 /* subfr_length * nb_subfr = ( 0.005 * 16000 + 16 ) * 4 = 384 */ - -#define QA 25 -#define N_BITS_HEAD_ROOM 2 -#define MIN_RSHIFTS -16 -#define MAX_RSHIFTS (32 - QA) - -/* Compute reflection coefficients from input signal */ -void silk_burg_modified( - opus_int32 *res_nrg, /* O Residual energy */ - opus_int *res_nrg_Q, /* O Residual energy Q value */ - opus_int32 A_Q16[], /* O Prediction coefficients (length order) */ - const opus_int16 x[], /* I Input signal, length: nb_subfr * ( D + subfr_length ) */ - const opus_int32 minInvGain_Q30, /* I Inverse of max prediction gain */ - const opus_int subfr_length, /* I Input signal subframe length (incl. D preceding samples) */ - const opus_int nb_subfr, /* I Number of subframes stacked in x */ - const opus_int D, /* I Order */ - int arch /* I Run-time architecture */ -) -{ - opus_int k, n, s, lz, rshifts, rshifts_extra, reached_max_gain; - opus_int32 C0, num, nrg, rc_Q31, invGain_Q30, Atmp_QA, Atmp1, tmp1, tmp2, x1, x2; - const opus_int16 *x_ptr; - opus_int32 C_first_row[ SILK_MAX_ORDER_LPC ]; - opus_int32 C_last_row[ SILK_MAX_ORDER_LPC ]; - opus_int32 Af_QA[ SILK_MAX_ORDER_LPC ]; - opus_int32 CAf[ SILK_MAX_ORDER_LPC + 1 ]; - opus_int32 CAb[ SILK_MAX_ORDER_LPC + 1 ]; - opus_int32 xcorr[ SILK_MAX_ORDER_LPC ]; - - silk_assert( subfr_length * nb_subfr <= MAX_FRAME_SIZE ); - - /* Compute autocorrelations, added over subframes */ - silk_sum_sqr_shift( &C0, &rshifts, x, nb_subfr * subfr_length ); - if( rshifts > MAX_RSHIFTS ) { - C0 = silk_LSHIFT32( C0, rshifts - MAX_RSHIFTS ); - silk_assert( C0 > 0 ); - rshifts = MAX_RSHIFTS; - } else { - lz = silk_CLZ32( C0 ) - 1; - rshifts_extra = N_BITS_HEAD_ROOM - lz; - if( rshifts_extra > 0 ) { - rshifts_extra = silk_min( rshifts_extra, MAX_RSHIFTS - rshifts ); - C0 = silk_RSHIFT32( C0, rshifts_extra ); - } else { - rshifts_extra = silk_max( rshifts_extra, MIN_RSHIFTS - rshifts ); - C0 = silk_LSHIFT32( C0, -rshifts_extra ); - } - rshifts += rshifts_extra; - } - CAb[ 0 ] = CAf[ 0 ] = C0 + silk_SMMUL( SILK_FIX_CONST( FIND_LPC_COND_FAC, 32 ), C0 ) + 1; /* Q(-rshifts) */ - silk_memset( C_first_row, 0, SILK_MAX_ORDER_LPC * sizeof( opus_int32 ) ); - if( rshifts > 0 ) { - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - for( n = 1; n < D + 1; n++ ) { - C_first_row[ n - 1 ] += (opus_int32)silk_RSHIFT64( - silk_inner_prod16_aligned_64( x_ptr, x_ptr + n, subfr_length - n ), rshifts ); - } - } - } else { - for( s = 0; s < nb_subfr; s++ ) { - int i; - opus_int32 d; - x_ptr = x + s * subfr_length; - celt_pitch_xcorr(x_ptr, x_ptr + 1, xcorr, subfr_length - D, D, arch ); - for( n = 1; n < D + 1; n++ ) { - for ( i = n + subfr_length - D, d = 0; i < subfr_length; i++ ) - d = MAC16_16( d, x_ptr[ i ], x_ptr[ i - n ] ); - xcorr[ n - 1 ] += d; - } - for( n = 1; n < D + 1; n++ ) { - C_first_row[ n - 1 ] += silk_LSHIFT32( xcorr[ n - 1 ], -rshifts ); - } - } - } - silk_memcpy( C_last_row, C_first_row, SILK_MAX_ORDER_LPC * sizeof( opus_int32 ) ); - - /* Initialize */ - CAb[ 0 ] = CAf[ 0 ] = C0 + silk_SMMUL( SILK_FIX_CONST( FIND_LPC_COND_FAC, 32 ), C0 ) + 1; /* Q(-rshifts) */ - - invGain_Q30 = (opus_int32)1 << 30; - reached_max_gain = 0; - for( n = 0; n < D; n++ ) { - /* Update first row of correlation matrix (without first element) */ - /* Update last row of correlation matrix (without last element, stored in reversed order) */ - /* Update C * Af */ - /* Update C * flipud(Af) (stored in reversed order) */ - if( rshifts > -2 ) { - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - x1 = -silk_LSHIFT32( (opus_int32)x_ptr[ n ], 16 - rshifts ); /* Q(16-rshifts) */ - x2 = -silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], 16 - rshifts ); /* Q(16-rshifts) */ - tmp1 = silk_LSHIFT32( (opus_int32)x_ptr[ n ], QA - 16 ); /* Q(QA-16) */ - tmp2 = silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], QA - 16 ); /* Q(QA-16) */ - for( k = 0; k < n; k++ ) { - C_first_row[ k ] = silk_SMLAWB( C_first_row[ k ], x1, x_ptr[ n - k - 1 ] ); /* Q( -rshifts ) */ - C_last_row[ k ] = silk_SMLAWB( C_last_row[ k ], x2, x_ptr[ subfr_length - n + k ] ); /* Q( -rshifts ) */ - Atmp_QA = Af_QA[ k ]; - tmp1 = silk_SMLAWB( tmp1, Atmp_QA, x_ptr[ n - k - 1 ] ); /* Q(QA-16) */ - tmp2 = silk_SMLAWB( tmp2, Atmp_QA, x_ptr[ subfr_length - n + k ] ); /* Q(QA-16) */ - } - tmp1 = silk_LSHIFT32( -tmp1, 32 - QA - rshifts ); /* Q(16-rshifts) */ - tmp2 = silk_LSHIFT32( -tmp2, 32 - QA - rshifts ); /* Q(16-rshifts) */ - for( k = 0; k <= n; k++ ) { - CAf[ k ] = silk_SMLAWB( CAf[ k ], tmp1, x_ptr[ n - k ] ); /* Q( -rshift ) */ - CAb[ k ] = silk_SMLAWB( CAb[ k ], tmp2, x_ptr[ subfr_length - n + k - 1 ] ); /* Q( -rshift ) */ - } - } - } else { - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - x1 = -silk_LSHIFT32( (opus_int32)x_ptr[ n ], -rshifts ); /* Q( -rshifts ) */ - x2 = -silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], -rshifts ); /* Q( -rshifts ) */ - tmp1 = silk_LSHIFT32( (opus_int32)x_ptr[ n ], 17 ); /* Q17 */ - tmp2 = silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], 17 ); /* Q17 */ - for( k = 0; k < n; k++ ) { - C_first_row[ k ] = silk_MLA( C_first_row[ k ], x1, x_ptr[ n - k - 1 ] ); /* Q( -rshifts ) */ - C_last_row[ k ] = silk_MLA( C_last_row[ k ], x2, x_ptr[ subfr_length - n + k ] ); /* Q( -rshifts ) */ - Atmp1 = silk_RSHIFT_ROUND( Af_QA[ k ], QA - 17 ); /* Q17 */ - tmp1 = silk_MLA( tmp1, x_ptr[ n - k - 1 ], Atmp1 ); /* Q17 */ - tmp2 = silk_MLA( tmp2, x_ptr[ subfr_length - n + k ], Atmp1 ); /* Q17 */ - } - tmp1 = -tmp1; /* Q17 */ - tmp2 = -tmp2; /* Q17 */ - for( k = 0; k <= n; k++ ) { - CAf[ k ] = silk_SMLAWW( CAf[ k ], tmp1, - silk_LSHIFT32( (opus_int32)x_ptr[ n - k ], -rshifts - 1 ) ); /* Q( -rshift ) */ - CAb[ k ] = silk_SMLAWW( CAb[ k ], tmp2, - silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n + k - 1 ], -rshifts - 1 ) ); /* Q( -rshift ) */ - } - } - } - - /* Calculate nominator and denominator for the next order reflection (parcor) coefficient */ - tmp1 = C_first_row[ n ]; /* Q( -rshifts ) */ - tmp2 = C_last_row[ n ]; /* Q( -rshifts ) */ - num = 0; /* Q( -rshifts ) */ - nrg = silk_ADD32( CAb[ 0 ], CAf[ 0 ] ); /* Q( 1-rshifts ) */ - for( k = 0; k < n; k++ ) { - Atmp_QA = Af_QA[ k ]; - lz = silk_CLZ32( silk_abs( Atmp_QA ) ) - 1; - lz = silk_min( 32 - QA, lz ); - Atmp1 = silk_LSHIFT32( Atmp_QA, lz ); /* Q( QA + lz ) */ - - tmp1 = silk_ADD_LSHIFT32( tmp1, silk_SMMUL( C_last_row[ n - k - 1 ], Atmp1 ), 32 - QA - lz ); /* Q( -rshifts ) */ - tmp2 = silk_ADD_LSHIFT32( tmp2, silk_SMMUL( C_first_row[ n - k - 1 ], Atmp1 ), 32 - QA - lz ); /* Q( -rshifts ) */ - num = silk_ADD_LSHIFT32( num, silk_SMMUL( CAb[ n - k ], Atmp1 ), 32 - QA - lz ); /* Q( -rshifts ) */ - nrg = silk_ADD_LSHIFT32( nrg, silk_SMMUL( silk_ADD32( CAb[ k + 1 ], CAf[ k + 1 ] ), - Atmp1 ), 32 - QA - lz ); /* Q( 1-rshifts ) */ - } - CAf[ n + 1 ] = tmp1; /* Q( -rshifts ) */ - CAb[ n + 1 ] = tmp2; /* Q( -rshifts ) */ - num = silk_ADD32( num, tmp2 ); /* Q( -rshifts ) */ - num = silk_LSHIFT32( -num, 1 ); /* Q( 1-rshifts ) */ - - /* Calculate the next order reflection (parcor) coefficient */ - if( silk_abs( num ) < nrg ) { - rc_Q31 = silk_DIV32_varQ( num, nrg, 31 ); - } else { - rc_Q31 = ( num > 0 ) ? silk_int32_MAX : silk_int32_MIN; - } - - /* Update inverse prediction gain */ - tmp1 = ( (opus_int32)1 << 30 ) - silk_SMMUL( rc_Q31, rc_Q31 ); - tmp1 = silk_LSHIFT( silk_SMMUL( invGain_Q30, tmp1 ), 2 ); - if( tmp1 <= minInvGain_Q30 ) { - /* Max prediction gain exceeded; set reflection coefficient such that max prediction gain is exactly hit */ - tmp2 = ( (opus_int32)1 << 30 ) - silk_DIV32_varQ( minInvGain_Q30, invGain_Q30, 30 ); /* Q30 */ - rc_Q31 = silk_SQRT_APPROX( tmp2 ); /* Q15 */ - /* Newton-Raphson iteration */ - rc_Q31 = silk_RSHIFT32( rc_Q31 + silk_DIV32( tmp2, rc_Q31 ), 1 ); /* Q15 */ - rc_Q31 = silk_LSHIFT32( rc_Q31, 16 ); /* Q31 */ - if( num < 0 ) { - /* Ensure adjusted reflection coefficients has the original sign */ - rc_Q31 = -rc_Q31; - } - invGain_Q30 = minInvGain_Q30; - reached_max_gain = 1; - } else { - invGain_Q30 = tmp1; - } - - /* Update the AR coefficients */ - for( k = 0; k < (n + 1) >> 1; k++ ) { - tmp1 = Af_QA[ k ]; /* QA */ - tmp2 = Af_QA[ n - k - 1 ]; /* QA */ - Af_QA[ k ] = silk_ADD_LSHIFT32( tmp1, silk_SMMUL( tmp2, rc_Q31 ), 1 ); /* QA */ - Af_QA[ n - k - 1 ] = silk_ADD_LSHIFT32( tmp2, silk_SMMUL( tmp1, rc_Q31 ), 1 ); /* QA */ - } - Af_QA[ n ] = silk_RSHIFT32( rc_Q31, 31 - QA ); /* QA */ - - if( reached_max_gain ) { - /* Reached max prediction gain; set remaining coefficients to zero and exit loop */ - for( k = n + 1; k < D; k++ ) { - Af_QA[ k ] = 0; - } - break; - } - - /* Update C * Af and C * Ab */ - for( k = 0; k <= n + 1; k++ ) { - tmp1 = CAf[ k ]; /* Q( -rshifts ) */ - tmp2 = CAb[ n - k + 1 ]; /* Q( -rshifts ) */ - CAf[ k ] = silk_ADD_LSHIFT32( tmp1, silk_SMMUL( tmp2, rc_Q31 ), 1 ); /* Q( -rshifts ) */ - CAb[ n - k + 1 ] = silk_ADD_LSHIFT32( tmp2, silk_SMMUL( tmp1, rc_Q31 ), 1 ); /* Q( -rshifts ) */ - } - } - - if( reached_max_gain ) { - for( k = 0; k < D; k++ ) { - /* Scale coefficients */ - A_Q16[ k ] = -silk_RSHIFT_ROUND( Af_QA[ k ], QA - 16 ); - } - /* Subtract energy of preceding samples from C0 */ - if( rshifts > 0 ) { - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - C0 -= (opus_int32)silk_RSHIFT64( silk_inner_prod16_aligned_64( x_ptr, x_ptr, D ), rshifts ); - } - } else { - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - C0 -= silk_LSHIFT32( silk_inner_prod_aligned( x_ptr, x_ptr, D ), -rshifts ); - } - } - /* Approximate residual energy */ - *res_nrg = silk_LSHIFT( silk_SMMUL( invGain_Q30, C0 ), 2 ); - *res_nrg_Q = -rshifts; - } else { - /* Return residual energy */ - nrg = CAf[ 0 ]; /* Q( -rshifts ) */ - tmp1 = (opus_int32)1 << 16; /* Q16 */ - for( k = 0; k < D; k++ ) { - Atmp1 = silk_RSHIFT_ROUND( Af_QA[ k ], QA - 16 ); /* Q16 */ - nrg = silk_SMLAWW( nrg, CAf[ k + 1 ], Atmp1 ); /* Q( -rshifts ) */ - tmp1 = silk_SMLAWW( tmp1, Atmp1, Atmp1 ); /* Q16 */ - A_Q16[ k ] = -Atmp1; - } - *res_nrg = silk_SMLAWW( nrg, silk_SMMUL( SILK_FIX_CONST( FIND_LPC_COND_FAC, 32 ), C0 ), -tmp1 );/* Q( -rshifts ) */ - *res_nrg_Q = -rshifts; - } -} diff --git a/src/opus-1.1/silk/fixed/corrMatrix_FIX.c b/src/opus-1.1/silk/fixed/corrMatrix_FIX.c deleted file mode 100644 index c6172705..00000000 --- a/src/opus-1.1/silk/fixed/corrMatrix_FIX.c +++ /dev/null @@ -1,156 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/********************************************************************** - * Correlation Matrix Computations for LS estimate. - **********************************************************************/ - -#include "main_FIX.h" - -/* Calculates correlation vector X'*t */ -void silk_corrVector_FIX( - const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ - const opus_int16 *t, /* I Target vector [L] */ - const opus_int L, /* I Length of vectors */ - const opus_int order, /* I Max lag for correlation */ - opus_int32 *Xt, /* O Pointer to X'*t correlation vector [order] */ - const opus_int rshifts /* I Right shifts of correlations */ -) -{ - opus_int lag, i; - const opus_int16 *ptr1, *ptr2; - opus_int32 inner_prod; - - ptr1 = &x[ order - 1 ]; /* Points to first sample of column 0 of X: X[:,0] */ - ptr2 = t; - /* Calculate X'*t */ - if( rshifts > 0 ) { - /* Right shifting used */ - for( lag = 0; lag < order; lag++ ) { - inner_prod = 0; - for( i = 0; i < L; i++ ) { - inner_prod += silk_RSHIFT32( silk_SMULBB( ptr1[ i ], ptr2[i] ), rshifts ); - } - Xt[ lag ] = inner_prod; /* X[:,lag]'*t */ - ptr1--; /* Go to next column of X */ - } - } else { - silk_assert( rshifts == 0 ); - for( lag = 0; lag < order; lag++ ) { - Xt[ lag ] = silk_inner_prod_aligned( ptr1, ptr2, L ); /* X[:,lag]'*t */ - ptr1--; /* Go to next column of X */ - } - } -} - -/* Calculates correlation matrix X'*X */ -void silk_corrMatrix_FIX( - const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ - const opus_int L, /* I Length of vectors */ - const opus_int order, /* I Max lag for correlation */ - const opus_int head_room, /* I Desired headroom */ - opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */ - opus_int *rshifts /* I/O Right shifts of correlations */ -) -{ - opus_int i, j, lag, rshifts_local, head_room_rshifts; - opus_int32 energy; - const opus_int16 *ptr1, *ptr2; - - /* Calculate energy to find shift used to fit in 32 bits */ - silk_sum_sqr_shift( &energy, &rshifts_local, x, L + order - 1 ); - /* Add shifts to get the desired head room */ - head_room_rshifts = silk_max( head_room - silk_CLZ32( energy ), 0 ); - - energy = silk_RSHIFT32( energy, head_room_rshifts ); - rshifts_local += head_room_rshifts; - - /* Calculate energy of first column (0) of X: X[:,0]'*X[:,0] */ - /* Remove contribution of first order - 1 samples */ - for( i = 0; i < order - 1; i++ ) { - energy -= silk_RSHIFT32( silk_SMULBB( x[ i ], x[ i ] ), rshifts_local ); - } - if( rshifts_local < *rshifts ) { - /* Adjust energy */ - energy = silk_RSHIFT32( energy, *rshifts - rshifts_local ); - rshifts_local = *rshifts; - } - - /* Calculate energy of remaining columns of X: X[:,j]'*X[:,j] */ - /* Fill out the diagonal of the correlation matrix */ - matrix_ptr( XX, 0, 0, order ) = energy; - ptr1 = &x[ order - 1 ]; /* First sample of column 0 of X */ - for( j = 1; j < order; j++ ) { - energy = silk_SUB32( energy, silk_RSHIFT32( silk_SMULBB( ptr1[ L - j ], ptr1[ L - j ] ), rshifts_local ) ); - energy = silk_ADD32( energy, silk_RSHIFT32( silk_SMULBB( ptr1[ -j ], ptr1[ -j ] ), rshifts_local ) ); - matrix_ptr( XX, j, j, order ) = energy; - } - - ptr2 = &x[ order - 2 ]; /* First sample of column 1 of X */ - /* Calculate the remaining elements of the correlation matrix */ - if( rshifts_local > 0 ) { - /* Right shifting used */ - for( lag = 1; lag < order; lag++ ) { - /* Inner product of column 0 and column lag: X[:,0]'*X[:,lag] */ - energy = 0; - for( i = 0; i < L; i++ ) { - energy += silk_RSHIFT32( silk_SMULBB( ptr1[ i ], ptr2[i] ), rshifts_local ); - } - /* Calculate remaining off diagonal: X[:,j]'*X[:,j + lag] */ - matrix_ptr( XX, lag, 0, order ) = energy; - matrix_ptr( XX, 0, lag, order ) = energy; - for( j = 1; j < ( order - lag ); j++ ) { - energy = silk_SUB32( energy, silk_RSHIFT32( silk_SMULBB( ptr1[ L - j ], ptr2[ L - j ] ), rshifts_local ) ); - energy = silk_ADD32( energy, silk_RSHIFT32( silk_SMULBB( ptr1[ -j ], ptr2[ -j ] ), rshifts_local ) ); - matrix_ptr( XX, lag + j, j, order ) = energy; - matrix_ptr( XX, j, lag + j, order ) = energy; - } - ptr2--; /* Update pointer to first sample of next column (lag) in X */ - } - } else { - for( lag = 1; lag < order; lag++ ) { - /* Inner product of column 0 and column lag: X[:,0]'*X[:,lag] */ - energy = silk_inner_prod_aligned( ptr1, ptr2, L ); - matrix_ptr( XX, lag, 0, order ) = energy; - matrix_ptr( XX, 0, lag, order ) = energy; - /* Calculate remaining off diagonal: X[:,j]'*X[:,j + lag] */ - for( j = 1; j < ( order - lag ); j++ ) { - energy = silk_SUB32( energy, silk_SMULBB( ptr1[ L - j ], ptr2[ L - j ] ) ); - energy = silk_SMLABB( energy, ptr1[ -j ], ptr2[ -j ] ); - matrix_ptr( XX, lag + j, j, order ) = energy; - matrix_ptr( XX, j, lag + j, order ) = energy; - } - ptr2--;/* Update pointer to first sample of next column (lag) in X */ - } - } - *rshifts = rshifts_local; -} - diff --git a/src/opus-1.1/silk/fixed/encode_frame_FIX.c b/src/opus-1.1/silk/fixed/encode_frame_FIX.c deleted file mode 100644 index b490986b..00000000 --- a/src/opus-1.1/silk/fixed/encode_frame_FIX.c +++ /dev/null @@ -1,385 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" -#include "tuning_parameters.h" - -/* Low Bitrate Redundancy (LBRR) encoding. Reuse all parameters but encode with lower bitrate */ -static OPUS_INLINE void silk_LBRR_encode_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O Pointer to Silk FIX encoder control struct */ - const opus_int32 xfw_Q3[], /* I Input signal */ - opus_int condCoding /* I The type of conditional coding used so far for this frame */ -); - -void silk_encode_do_VAD_FIX( - silk_encoder_state_FIX *psEnc /* I/O Pointer to Silk FIX encoder state */ -) -{ - /****************************/ - /* Voice Activity Detection */ - /****************************/ - silk_VAD_GetSA_Q8( &psEnc->sCmn, psEnc->sCmn.inputBuf + 1 ); - - /**************************************************/ - /* Convert speech activity into VAD and DTX flags */ - /**************************************************/ - if( psEnc->sCmn.speech_activity_Q8 < SILK_FIX_CONST( SPEECH_ACTIVITY_DTX_THRES, 8 ) ) { - psEnc->sCmn.indices.signalType = TYPE_NO_VOICE_ACTIVITY; - psEnc->sCmn.noSpeechCounter++; - if( psEnc->sCmn.noSpeechCounter < NB_SPEECH_FRAMES_BEFORE_DTX ) { - psEnc->sCmn.inDTX = 0; - } else if( psEnc->sCmn.noSpeechCounter > MAX_CONSECUTIVE_DTX + NB_SPEECH_FRAMES_BEFORE_DTX ) { - psEnc->sCmn.noSpeechCounter = NB_SPEECH_FRAMES_BEFORE_DTX; - psEnc->sCmn.inDTX = 0; - } - psEnc->sCmn.VAD_flags[ psEnc->sCmn.nFramesEncoded ] = 0; - } else { - psEnc->sCmn.noSpeechCounter = 0; - psEnc->sCmn.inDTX = 0; - psEnc->sCmn.indices.signalType = TYPE_UNVOICED; - psEnc->sCmn.VAD_flags[ psEnc->sCmn.nFramesEncoded ] = 1; - } -} - -/****************/ -/* Encode frame */ -/****************/ -opus_int silk_encode_frame_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */ - opus_int32 *pnBytesOut, /* O Pointer to number of payload bytes; */ - ec_enc *psRangeEnc, /* I/O compressor data structure */ - opus_int condCoding, /* I The type of conditional coding to use */ - opus_int maxBits, /* I If > 0: maximum number of output bits */ - opus_int useCBR /* I Flag to force constant-bitrate operation */ -) -{ - silk_encoder_control_FIX sEncCtrl; - opus_int i, iter, maxIter, found_upper, found_lower, ret = 0; - opus_int16 *x_frame; - ec_enc sRangeEnc_copy, sRangeEnc_copy2; - silk_nsq_state sNSQ_copy, sNSQ_copy2; - opus_int32 seed_copy, nBits, nBits_lower, nBits_upper, gainMult_lower, gainMult_upper; - opus_int32 gainsID, gainsID_lower, gainsID_upper; - opus_int16 gainMult_Q8; - opus_int16 ec_prevLagIndex_copy; - opus_int ec_prevSignalType_copy; - opus_int8 LastGainIndex_copy2; - SAVE_STACK; - - /* This is totally unnecessary but many compilers (including gcc) are too dumb to realise it */ - LastGainIndex_copy2 = nBits_lower = nBits_upper = gainMult_lower = gainMult_upper = 0; - - psEnc->sCmn.indices.Seed = psEnc->sCmn.frameCounter++ & 3; - - /**************************************************************/ - /* Set up Input Pointers, and insert frame in input buffer */ - /*************************************************************/ - /* start of frame to encode */ - x_frame = psEnc->x_buf + psEnc->sCmn.ltp_mem_length; - - /***************************************/ - /* Ensure smooth bandwidth transitions */ - /***************************************/ - silk_LP_variable_cutoff( &psEnc->sCmn.sLP, psEnc->sCmn.inputBuf + 1, psEnc->sCmn.frame_length ); - - /*******************************************/ - /* Copy new frame to front of input buffer */ - /*******************************************/ - silk_memcpy( x_frame + LA_SHAPE_MS * psEnc->sCmn.fs_kHz, psEnc->sCmn.inputBuf + 1, psEnc->sCmn.frame_length * sizeof( opus_int16 ) ); - - if( !psEnc->sCmn.prefillFlag ) { - VARDECL( opus_int32, xfw_Q3 ); - VARDECL( opus_int16, res_pitch ); - VARDECL( opus_uint8, ec_buf_copy ); - opus_int16 *res_pitch_frame; - - ALLOC( res_pitch, - psEnc->sCmn.la_pitch + psEnc->sCmn.frame_length - + psEnc->sCmn.ltp_mem_length, opus_int16 ); - /* start of pitch LPC residual frame */ - res_pitch_frame = res_pitch + psEnc->sCmn.ltp_mem_length; - - /*****************************************/ - /* Find pitch lags, initial LPC analysis */ - /*****************************************/ - silk_find_pitch_lags_FIX( psEnc, &sEncCtrl, res_pitch, x_frame, psEnc->sCmn.arch ); - - /************************/ - /* Noise shape analysis */ - /************************/ - silk_noise_shape_analysis_FIX( psEnc, &sEncCtrl, res_pitch_frame, x_frame, psEnc->sCmn.arch ); - - /***************************************************/ - /* Find linear prediction coefficients (LPC + LTP) */ - /***************************************************/ - silk_find_pred_coefs_FIX( psEnc, &sEncCtrl, res_pitch, x_frame, condCoding ); - - /****************************************/ - /* Process gains */ - /****************************************/ - silk_process_gains_FIX( psEnc, &sEncCtrl, condCoding ); - - /*****************************************/ - /* Prefiltering for noise shaper */ - /*****************************************/ - ALLOC( xfw_Q3, psEnc->sCmn.frame_length, opus_int32 ); - silk_prefilter_FIX( psEnc, &sEncCtrl, xfw_Q3, x_frame ); - - /****************************************/ - /* Low Bitrate Redundant Encoding */ - /****************************************/ - silk_LBRR_encode_FIX( psEnc, &sEncCtrl, xfw_Q3, condCoding ); - - /* Loop over quantizer and entropy coding to control bitrate */ - maxIter = 6; - gainMult_Q8 = SILK_FIX_CONST( 1, 8 ); - found_lower = 0; - found_upper = 0; - gainsID = silk_gains_ID( psEnc->sCmn.indices.GainsIndices, psEnc->sCmn.nb_subfr ); - gainsID_lower = -1; - gainsID_upper = -1; - /* Copy part of the input state */ - silk_memcpy( &sRangeEnc_copy, psRangeEnc, sizeof( ec_enc ) ); - silk_memcpy( &sNSQ_copy, &psEnc->sCmn.sNSQ, sizeof( silk_nsq_state ) ); - seed_copy = psEnc->sCmn.indices.Seed; - ec_prevLagIndex_copy = psEnc->sCmn.ec_prevLagIndex; - ec_prevSignalType_copy = psEnc->sCmn.ec_prevSignalType; - ALLOC( ec_buf_copy, 1275, opus_uint8 ); - for( iter = 0; ; iter++ ) { - if( gainsID == gainsID_lower ) { - nBits = nBits_lower; - } else if( gainsID == gainsID_upper ) { - nBits = nBits_upper; - } else { - /* Restore part of the input state */ - if( iter > 0 ) { - silk_memcpy( psRangeEnc, &sRangeEnc_copy, sizeof( ec_enc ) ); - silk_memcpy( &psEnc->sCmn.sNSQ, &sNSQ_copy, sizeof( silk_nsq_state ) ); - psEnc->sCmn.indices.Seed = seed_copy; - psEnc->sCmn.ec_prevLagIndex = ec_prevLagIndex_copy; - psEnc->sCmn.ec_prevSignalType = ec_prevSignalType_copy; - } - - /*****************************************/ - /* Noise shaping quantization */ - /*****************************************/ - if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) { - silk_NSQ_del_dec( &psEnc->sCmn, &psEnc->sCmn.sNSQ, &psEnc->sCmn.indices, xfw_Q3, psEnc->sCmn.pulses, - sEncCtrl.PredCoef_Q12[ 0 ], sEncCtrl.LTPCoef_Q14, sEncCtrl.AR2_Q13, sEncCtrl.HarmShapeGain_Q14, - sEncCtrl.Tilt_Q14, sEncCtrl.LF_shp_Q14, sEncCtrl.Gains_Q16, sEncCtrl.pitchL, sEncCtrl.Lambda_Q10, sEncCtrl.LTP_scale_Q14 ); - } else { - silk_NSQ( &psEnc->sCmn, &psEnc->sCmn.sNSQ, &psEnc->sCmn.indices, xfw_Q3, psEnc->sCmn.pulses, - sEncCtrl.PredCoef_Q12[ 0 ], sEncCtrl.LTPCoef_Q14, sEncCtrl.AR2_Q13, sEncCtrl.HarmShapeGain_Q14, - sEncCtrl.Tilt_Q14, sEncCtrl.LF_shp_Q14, sEncCtrl.Gains_Q16, sEncCtrl.pitchL, sEncCtrl.Lambda_Q10, sEncCtrl.LTP_scale_Q14 ); - } - - /****************************************/ - /* Encode Parameters */ - /****************************************/ - silk_encode_indices( &psEnc->sCmn, psRangeEnc, psEnc->sCmn.nFramesEncoded, 0, condCoding ); - - /****************************************/ - /* Encode Excitation Signal */ - /****************************************/ - silk_encode_pulses( psRangeEnc, psEnc->sCmn.indices.signalType, psEnc->sCmn.indices.quantOffsetType, - psEnc->sCmn.pulses, psEnc->sCmn.frame_length ); - - nBits = ec_tell( psRangeEnc ); - - if( useCBR == 0 && iter == 0 && nBits <= maxBits ) { - break; - } - } - - if( iter == maxIter ) { - if( found_lower && ( gainsID == gainsID_lower || nBits > maxBits ) ) { - /* Restore output state from earlier iteration that did meet the bitrate budget */ - silk_memcpy( psRangeEnc, &sRangeEnc_copy2, sizeof( ec_enc ) ); - silk_assert( sRangeEnc_copy2.offs <= 1275 ); - silk_memcpy( psRangeEnc->buf, ec_buf_copy, sRangeEnc_copy2.offs ); - silk_memcpy( &psEnc->sCmn.sNSQ, &sNSQ_copy2, sizeof( silk_nsq_state ) ); - psEnc->sShape.LastGainIndex = LastGainIndex_copy2; - } - break; - } - - if( nBits > maxBits ) { - if( found_lower == 0 && iter >= 2 ) { - /* Adjust the quantizer's rate/distortion tradeoff and discard previous "upper" results */ - sEncCtrl.Lambda_Q10 = silk_ADD_RSHIFT32( sEncCtrl.Lambda_Q10, sEncCtrl.Lambda_Q10, 1 ); - found_upper = 0; - gainsID_upper = -1; - } else { - found_upper = 1; - nBits_upper = nBits; - gainMult_upper = gainMult_Q8; - gainsID_upper = gainsID; - } - } else if( nBits < maxBits - 5 ) { - found_lower = 1; - nBits_lower = nBits; - gainMult_lower = gainMult_Q8; - if( gainsID != gainsID_lower ) { - gainsID_lower = gainsID; - /* Copy part of the output state */ - silk_memcpy( &sRangeEnc_copy2, psRangeEnc, sizeof( ec_enc ) ); - silk_assert( psRangeEnc->offs <= 1275 ); - silk_memcpy( ec_buf_copy, psRangeEnc->buf, psRangeEnc->offs ); - silk_memcpy( &sNSQ_copy2, &psEnc->sCmn.sNSQ, sizeof( silk_nsq_state ) ); - LastGainIndex_copy2 = psEnc->sShape.LastGainIndex; - } - } else { - /* Within 5 bits of budget: close enough */ - break; - } - - if( ( found_lower & found_upper ) == 0 ) { - /* Adjust gain according to high-rate rate/distortion curve */ - opus_int32 gain_factor_Q16; - gain_factor_Q16 = silk_log2lin( silk_LSHIFT( nBits - maxBits, 7 ) / psEnc->sCmn.frame_length + SILK_FIX_CONST( 16, 7 ) ); - gain_factor_Q16 = silk_min_32( gain_factor_Q16, SILK_FIX_CONST( 2, 16 ) ); - if( nBits > maxBits ) { - gain_factor_Q16 = silk_max_32( gain_factor_Q16, SILK_FIX_CONST( 1.3, 16 ) ); - } - gainMult_Q8 = silk_SMULWB( gain_factor_Q16, gainMult_Q8 ); - } else { - /* Adjust gain by interpolating */ - gainMult_Q8 = gainMult_lower + silk_DIV32_16( silk_MUL( gainMult_upper - gainMult_lower, maxBits - nBits_lower ), nBits_upper - nBits_lower ); - /* New gain multplier must be between 25% and 75% of old range (note that gainMult_upper < gainMult_lower) */ - if( gainMult_Q8 > silk_ADD_RSHIFT32( gainMult_lower, gainMult_upper - gainMult_lower, 2 ) ) { - gainMult_Q8 = silk_ADD_RSHIFT32( gainMult_lower, gainMult_upper - gainMult_lower, 2 ); - } else - if( gainMult_Q8 < silk_SUB_RSHIFT32( gainMult_upper, gainMult_upper - gainMult_lower, 2 ) ) { - gainMult_Q8 = silk_SUB_RSHIFT32( gainMult_upper, gainMult_upper - gainMult_lower, 2 ); - } - } - - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - sEncCtrl.Gains_Q16[ i ] = silk_LSHIFT_SAT32( silk_SMULWB( sEncCtrl.GainsUnq_Q16[ i ], gainMult_Q8 ), 8 ); - } - - /* Quantize gains */ - psEnc->sShape.LastGainIndex = sEncCtrl.lastGainIndexPrev; - silk_gains_quant( psEnc->sCmn.indices.GainsIndices, sEncCtrl.Gains_Q16, - &psEnc->sShape.LastGainIndex, condCoding == CODE_CONDITIONALLY, psEnc->sCmn.nb_subfr ); - - /* Unique identifier of gains vector */ - gainsID = silk_gains_ID( psEnc->sCmn.indices.GainsIndices, psEnc->sCmn.nb_subfr ); - } - } - - /* Update input buffer */ - silk_memmove( psEnc->x_buf, &psEnc->x_buf[ psEnc->sCmn.frame_length ], - ( psEnc->sCmn.ltp_mem_length + LA_SHAPE_MS * psEnc->sCmn.fs_kHz ) * sizeof( opus_int16 ) ); - - /* Exit without entropy coding */ - if( psEnc->sCmn.prefillFlag ) { - /* No payload */ - *pnBytesOut = 0; - RESTORE_STACK; - return ret; - } - - /* Parameters needed for next frame */ - psEnc->sCmn.prevLag = sEncCtrl.pitchL[ psEnc->sCmn.nb_subfr - 1 ]; - psEnc->sCmn.prevSignalType = psEnc->sCmn.indices.signalType; - - /****************************************/ - /* Finalize payload */ - /****************************************/ - psEnc->sCmn.first_frame_after_reset = 0; - /* Payload size */ - *pnBytesOut = silk_RSHIFT( ec_tell( psRangeEnc ) + 7, 3 ); - - RESTORE_STACK; - return ret; -} - -/* Low-Bitrate Redundancy (LBRR) encoding. Reuse all parameters but encode excitation at lower bitrate */ -static OPUS_INLINE void silk_LBRR_encode_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O Pointer to Silk FIX encoder control struct */ - const opus_int32 xfw_Q3[], /* I Input signal */ - opus_int condCoding /* I The type of conditional coding used so far for this frame */ -) -{ - opus_int32 TempGains_Q16[ MAX_NB_SUBFR ]; - SideInfoIndices *psIndices_LBRR = &psEnc->sCmn.indices_LBRR[ psEnc->sCmn.nFramesEncoded ]; - silk_nsq_state sNSQ_LBRR; - - /*******************************************/ - /* Control use of inband LBRR */ - /*******************************************/ - if( psEnc->sCmn.LBRR_enabled && psEnc->sCmn.speech_activity_Q8 > SILK_FIX_CONST( LBRR_SPEECH_ACTIVITY_THRES, 8 ) ) { - psEnc->sCmn.LBRR_flags[ psEnc->sCmn.nFramesEncoded ] = 1; - - /* Copy noise shaping quantizer state and quantization indices from regular encoding */ - silk_memcpy( &sNSQ_LBRR, &psEnc->sCmn.sNSQ, sizeof( silk_nsq_state ) ); - silk_memcpy( psIndices_LBRR, &psEnc->sCmn.indices, sizeof( SideInfoIndices ) ); - - /* Save original gains */ - silk_memcpy( TempGains_Q16, psEncCtrl->Gains_Q16, psEnc->sCmn.nb_subfr * sizeof( opus_int32 ) ); - - if( psEnc->sCmn.nFramesEncoded == 0 || psEnc->sCmn.LBRR_flags[ psEnc->sCmn.nFramesEncoded - 1 ] == 0 ) { - /* First frame in packet or previous frame not LBRR coded */ - psEnc->sCmn.LBRRprevLastGainIndex = psEnc->sShape.LastGainIndex; - - /* Increase Gains to get target LBRR rate */ - psIndices_LBRR->GainsIndices[ 0 ] = psIndices_LBRR->GainsIndices[ 0 ] + psEnc->sCmn.LBRR_GainIncreases; - psIndices_LBRR->GainsIndices[ 0 ] = silk_min_int( psIndices_LBRR->GainsIndices[ 0 ], N_LEVELS_QGAIN - 1 ); - } - - /* Decode to get gains in sync with decoder */ - /* Overwrite unquantized gains with quantized gains */ - silk_gains_dequant( psEncCtrl->Gains_Q16, psIndices_LBRR->GainsIndices, - &psEnc->sCmn.LBRRprevLastGainIndex, condCoding == CODE_CONDITIONALLY, psEnc->sCmn.nb_subfr ); - - /*****************************************/ - /* Noise shaping quantization */ - /*****************************************/ - if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) { - silk_NSQ_del_dec( &psEnc->sCmn, &sNSQ_LBRR, psIndices_LBRR, xfw_Q3, - psEnc->sCmn.pulses_LBRR[ psEnc->sCmn.nFramesEncoded ], psEncCtrl->PredCoef_Q12[ 0 ], psEncCtrl->LTPCoef_Q14, - psEncCtrl->AR2_Q13, psEncCtrl->HarmShapeGain_Q14, psEncCtrl->Tilt_Q14, psEncCtrl->LF_shp_Q14, - psEncCtrl->Gains_Q16, psEncCtrl->pitchL, psEncCtrl->Lambda_Q10, psEncCtrl->LTP_scale_Q14 ); - } else { - silk_NSQ( &psEnc->sCmn, &sNSQ_LBRR, psIndices_LBRR, xfw_Q3, - psEnc->sCmn.pulses_LBRR[ psEnc->sCmn.nFramesEncoded ], psEncCtrl->PredCoef_Q12[ 0 ], psEncCtrl->LTPCoef_Q14, - psEncCtrl->AR2_Q13, psEncCtrl->HarmShapeGain_Q14, psEncCtrl->Tilt_Q14, psEncCtrl->LF_shp_Q14, - psEncCtrl->Gains_Q16, psEncCtrl->pitchL, psEncCtrl->Lambda_Q10, psEncCtrl->LTP_scale_Q14 ); - } - - /* Restore original gains */ - silk_memcpy( psEncCtrl->Gains_Q16, TempGains_Q16, psEnc->sCmn.nb_subfr * sizeof( opus_int32 ) ); - } -} diff --git a/src/opus-1.1/silk/fixed/find_LPC_FIX.c b/src/opus-1.1/silk/fixed/find_LPC_FIX.c deleted file mode 100644 index 783d32e2..00000000 --- a/src/opus-1.1/silk/fixed/find_LPC_FIX.c +++ /dev/null @@ -1,151 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" -#include "tuning_parameters.h" - -/* Finds LPC vector from correlations, and converts to NLSF */ -void silk_find_LPC_FIX( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 NLSF_Q15[], /* O NLSFs */ - const opus_int16 x[], /* I Input signal */ - const opus_int32 minInvGain_Q30 /* I Inverse of max prediction gain */ -) -{ - opus_int k, subfr_length; - opus_int32 a_Q16[ MAX_LPC_ORDER ]; - opus_int isInterpLower, shift; - opus_int32 res_nrg0, res_nrg1; - opus_int rshift0, rshift1; - - /* Used only for LSF interpolation */ - opus_int32 a_tmp_Q16[ MAX_LPC_ORDER ], res_nrg_interp, res_nrg, res_tmp_nrg; - opus_int res_nrg_interp_Q, res_nrg_Q, res_tmp_nrg_Q; - opus_int16 a_tmp_Q12[ MAX_LPC_ORDER ]; - opus_int16 NLSF0_Q15[ MAX_LPC_ORDER ]; - SAVE_STACK; - - subfr_length = psEncC->subfr_length + psEncC->predictLPCOrder; - - /* Default: no interpolation */ - psEncC->indices.NLSFInterpCoef_Q2 = 4; - - /* Burg AR analysis for the full frame */ - silk_burg_modified( &res_nrg, &res_nrg_Q, a_Q16, x, minInvGain_Q30, subfr_length, psEncC->nb_subfr, psEncC->predictLPCOrder, psEncC->arch ); - - if( psEncC->useInterpolatedNLSFs && !psEncC->first_frame_after_reset && psEncC->nb_subfr == MAX_NB_SUBFR ) { - VARDECL( opus_int16, LPC_res ); - - /* Optimal solution for last 10 ms */ - silk_burg_modified( &res_tmp_nrg, &res_tmp_nrg_Q, a_tmp_Q16, x + 2 * subfr_length, minInvGain_Q30, subfr_length, 2, psEncC->predictLPCOrder, psEncC->arch ); - - /* subtract residual energy here, as that's easier than adding it to the */ - /* residual energy of the first 10 ms in each iteration of the search below */ - shift = res_tmp_nrg_Q - res_nrg_Q; - if( shift >= 0 ) { - if( shift < 32 ) { - res_nrg = res_nrg - silk_RSHIFT( res_tmp_nrg, shift ); - } - } else { - silk_assert( shift > -32 ); - res_nrg = silk_RSHIFT( res_nrg, -shift ) - res_tmp_nrg; - res_nrg_Q = res_tmp_nrg_Q; - } - - /* Convert to NLSFs */ - silk_A2NLSF( NLSF_Q15, a_tmp_Q16, psEncC->predictLPCOrder ); - - ALLOC( LPC_res, 2 * subfr_length, opus_int16 ); - - /* Search over interpolation indices to find the one with lowest residual energy */ - for( k = 3; k >= 0; k-- ) { - /* Interpolate NLSFs for first half */ - silk_interpolate( NLSF0_Q15, psEncC->prev_NLSFq_Q15, NLSF_Q15, k, psEncC->predictLPCOrder ); - - /* Convert to LPC for residual energy evaluation */ - silk_NLSF2A( a_tmp_Q12, NLSF0_Q15, psEncC->predictLPCOrder ); - - /* Calculate residual energy with NLSF interpolation */ - silk_LPC_analysis_filter( LPC_res, x, a_tmp_Q12, 2 * subfr_length, psEncC->predictLPCOrder ); - - silk_sum_sqr_shift( &res_nrg0, &rshift0, LPC_res + psEncC->predictLPCOrder, subfr_length - psEncC->predictLPCOrder ); - silk_sum_sqr_shift( &res_nrg1, &rshift1, LPC_res + psEncC->predictLPCOrder + subfr_length, subfr_length - psEncC->predictLPCOrder ); - - /* Add subframe energies from first half frame */ - shift = rshift0 - rshift1; - if( shift >= 0 ) { - res_nrg1 = silk_RSHIFT( res_nrg1, shift ); - res_nrg_interp_Q = -rshift0; - } else { - res_nrg0 = silk_RSHIFT( res_nrg0, -shift ); - res_nrg_interp_Q = -rshift1; - } - res_nrg_interp = silk_ADD32( res_nrg0, res_nrg1 ); - - /* Compare with first half energy without NLSF interpolation, or best interpolated value so far */ - shift = res_nrg_interp_Q - res_nrg_Q; - if( shift >= 0 ) { - if( silk_RSHIFT( res_nrg_interp, shift ) < res_nrg ) { - isInterpLower = silk_TRUE; - } else { - isInterpLower = silk_FALSE; - } - } else { - if( -shift < 32 ) { - if( res_nrg_interp < silk_RSHIFT( res_nrg, -shift ) ) { - isInterpLower = silk_TRUE; - } else { - isInterpLower = silk_FALSE; - } - } else { - isInterpLower = silk_FALSE; - } - } - - /* Determine whether current interpolated NLSFs are best so far */ - if( isInterpLower == silk_TRUE ) { - /* Interpolation has lower residual energy */ - res_nrg = res_nrg_interp; - res_nrg_Q = res_nrg_interp_Q; - psEncC->indices.NLSFInterpCoef_Q2 = (opus_int8)k; - } - } - } - - if( psEncC->indices.NLSFInterpCoef_Q2 == 4 ) { - /* NLSF interpolation is currently inactive, calculate NLSFs from full frame AR coefficients */ - silk_A2NLSF( NLSF_Q15, a_Q16, psEncC->predictLPCOrder ); - } - - silk_assert( psEncC->indices.NLSFInterpCoef_Q2 == 4 || ( psEncC->useInterpolatedNLSFs && !psEncC->first_frame_after_reset && psEncC->nb_subfr == MAX_NB_SUBFR ) ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/fixed/find_LTP_FIX.c b/src/opus-1.1/silk/fixed/find_LTP_FIX.c deleted file mode 100644 index 8c4d7037..00000000 --- a/src/opus-1.1/silk/fixed/find_LTP_FIX.c +++ /dev/null @@ -1,244 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "tuning_parameters.h" - -/* Head room for correlations */ -#define LTP_CORRS_HEAD_ROOM 2 - -void silk_fit_LTP( - opus_int32 LTP_coefs_Q16[ LTP_ORDER ], - opus_int16 LTP_coefs_Q14[ LTP_ORDER ] -); - -void silk_find_LTP_FIX( - opus_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ - opus_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */ - opus_int *LTPredCodGain_Q7, /* O LTP coding gain */ - const opus_int16 r_lpc[], /* I residual signal after LPC signal + state for first 10 ms */ - const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ - const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */ - const opus_int subfr_length, /* I subframe length */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int mem_offset, /* I number of samples in LTP memory */ - opus_int corr_rshifts[ MAX_NB_SUBFR ] /* O right shifts applied to correlations */ -) -{ - opus_int i, k, lshift; - const opus_int16 *r_ptr, *lag_ptr; - opus_int16 *b_Q14_ptr; - - opus_int32 regu; - opus_int32 *WLTP_ptr; - opus_int32 b_Q16[ LTP_ORDER ], delta_b_Q14[ LTP_ORDER ], d_Q14[ MAX_NB_SUBFR ], nrg[ MAX_NB_SUBFR ], g_Q26; - opus_int32 w[ MAX_NB_SUBFR ], WLTP_max, max_abs_d_Q14, max_w_bits; - - opus_int32 temp32, denom32; - opus_int extra_shifts; - opus_int rr_shifts, maxRshifts, maxRshifts_wxtra, LZs; - opus_int32 LPC_res_nrg, LPC_LTP_res_nrg, div_Q16; - opus_int32 Rr[ LTP_ORDER ], rr[ MAX_NB_SUBFR ]; - opus_int32 wd, m_Q12; - - b_Q14_ptr = b_Q14; - WLTP_ptr = WLTP; - r_ptr = &r_lpc[ mem_offset ]; - for( k = 0; k < nb_subfr; k++ ) { - lag_ptr = r_ptr - ( lag[ k ] + LTP_ORDER / 2 ); - - silk_sum_sqr_shift( &rr[ k ], &rr_shifts, r_ptr, subfr_length ); /* rr[ k ] in Q( -rr_shifts ) */ - - /* Assure headroom */ - LZs = silk_CLZ32( rr[k] ); - if( LZs < LTP_CORRS_HEAD_ROOM ) { - rr[ k ] = silk_RSHIFT_ROUND( rr[ k ], LTP_CORRS_HEAD_ROOM - LZs ); - rr_shifts += ( LTP_CORRS_HEAD_ROOM - LZs ); - } - corr_rshifts[ k ] = rr_shifts; - silk_corrMatrix_FIX( lag_ptr, subfr_length, LTP_ORDER, LTP_CORRS_HEAD_ROOM, WLTP_ptr, &corr_rshifts[ k ] ); /* WLTP_fix_ptr in Q( -corr_rshifts[ k ] ) */ - - /* The correlation vector always has lower max abs value than rr and/or RR so head room is assured */ - silk_corrVector_FIX( lag_ptr, r_ptr, subfr_length, LTP_ORDER, Rr, corr_rshifts[ k ] ); /* Rr_fix_ptr in Q( -corr_rshifts[ k ] ) */ - if( corr_rshifts[ k ] > rr_shifts ) { - rr[ k ] = silk_RSHIFT( rr[ k ], corr_rshifts[ k ] - rr_shifts ); /* rr[ k ] in Q( -corr_rshifts[ k ] ) */ - } - silk_assert( rr[ k ] >= 0 ); - - regu = 1; - regu = silk_SMLAWB( regu, rr[ k ], SILK_FIX_CONST( LTP_DAMPING/3, 16 ) ); - regu = silk_SMLAWB( regu, matrix_ptr( WLTP_ptr, 0, 0, LTP_ORDER ), SILK_FIX_CONST( LTP_DAMPING/3, 16 ) ); - regu = silk_SMLAWB( regu, matrix_ptr( WLTP_ptr, LTP_ORDER-1, LTP_ORDER-1, LTP_ORDER ), SILK_FIX_CONST( LTP_DAMPING/3, 16 ) ); - silk_regularize_correlations_FIX( WLTP_ptr, &rr[k], regu, LTP_ORDER ); - - silk_solve_LDL_FIX( WLTP_ptr, LTP_ORDER, Rr, b_Q16 ); /* WLTP_fix_ptr and Rr_fix_ptr both in Q(-corr_rshifts[k]) */ - - /* Limit and store in Q14 */ - silk_fit_LTP( b_Q16, b_Q14_ptr ); - - /* Calculate residual energy */ - nrg[ k ] = silk_residual_energy16_covar_FIX( b_Q14_ptr, WLTP_ptr, Rr, rr[ k ], LTP_ORDER, 14 ); /* nrg_fix in Q( -corr_rshifts[ k ] ) */ - - /* temp = Wght[ k ] / ( nrg[ k ] * Wght[ k ] + 0.01f * subfr_length ); */ - extra_shifts = silk_min_int( corr_rshifts[ k ], LTP_CORRS_HEAD_ROOM ); - denom32 = silk_LSHIFT_SAT32( silk_SMULWB( nrg[ k ], Wght_Q15[ k ] ), 1 + extra_shifts ) + /* Q( -corr_rshifts[ k ] + extra_shifts ) */ - silk_RSHIFT( silk_SMULWB( (opus_int32)subfr_length, 655 ), corr_rshifts[ k ] - extra_shifts ); /* Q( -corr_rshifts[ k ] + extra_shifts ) */ - denom32 = silk_max( denom32, 1 ); - silk_assert( ((opus_int64)Wght_Q15[ k ] << 16 ) < silk_int32_MAX ); /* Wght always < 0.5 in Q0 */ - temp32 = silk_DIV32( silk_LSHIFT( (opus_int32)Wght_Q15[ k ], 16 ), denom32 ); /* Q( 15 + 16 + corr_rshifts[k] - extra_shifts ) */ - temp32 = silk_RSHIFT( temp32, 31 + corr_rshifts[ k ] - extra_shifts - 26 ); /* Q26 */ - - /* Limit temp such that the below scaling never wraps around */ - WLTP_max = 0; - for( i = 0; i < LTP_ORDER * LTP_ORDER; i++ ) { - WLTP_max = silk_max( WLTP_ptr[ i ], WLTP_max ); - } - lshift = silk_CLZ32( WLTP_max ) - 1 - 3; /* keep 3 bits free for vq_nearest_neighbor_fix */ - silk_assert( 26 - 18 + lshift >= 0 ); - if( 26 - 18 + lshift < 31 ) { - temp32 = silk_min_32( temp32, silk_LSHIFT( (opus_int32)1, 26 - 18 + lshift ) ); - } - - silk_scale_vector32_Q26_lshift_18( WLTP_ptr, temp32, LTP_ORDER * LTP_ORDER ); /* WLTP_ptr in Q( 18 - corr_rshifts[ k ] ) */ - - w[ k ] = matrix_ptr( WLTP_ptr, LTP_ORDER/2, LTP_ORDER/2, LTP_ORDER ); /* w in Q( 18 - corr_rshifts[ k ] ) */ - silk_assert( w[k] >= 0 ); - - r_ptr += subfr_length; - b_Q14_ptr += LTP_ORDER; - WLTP_ptr += LTP_ORDER * LTP_ORDER; - } - - maxRshifts = 0; - for( k = 0; k < nb_subfr; k++ ) { - maxRshifts = silk_max_int( corr_rshifts[ k ], maxRshifts ); - } - - /* Compute LTP coding gain */ - if( LTPredCodGain_Q7 != NULL ) { - LPC_LTP_res_nrg = 0; - LPC_res_nrg = 0; - silk_assert( LTP_CORRS_HEAD_ROOM >= 2 ); /* Check that no overflow will happen when adding */ - for( k = 0; k < nb_subfr; k++ ) { - LPC_res_nrg = silk_ADD32( LPC_res_nrg, silk_RSHIFT( silk_ADD32( silk_SMULWB( rr[ k ], Wght_Q15[ k ] ), 1 ), 1 + ( maxRshifts - corr_rshifts[ k ] ) ) ); /* Q( -maxRshifts ) */ - LPC_LTP_res_nrg = silk_ADD32( LPC_LTP_res_nrg, silk_RSHIFT( silk_ADD32( silk_SMULWB( nrg[ k ], Wght_Q15[ k ] ), 1 ), 1 + ( maxRshifts - corr_rshifts[ k ] ) ) ); /* Q( -maxRshifts ) */ - } - LPC_LTP_res_nrg = silk_max( LPC_LTP_res_nrg, 1 ); /* avoid division by zero */ - - div_Q16 = silk_DIV32_varQ( LPC_res_nrg, LPC_LTP_res_nrg, 16 ); - *LTPredCodGain_Q7 = ( opus_int )silk_SMULBB( 3, silk_lin2log( div_Q16 ) - ( 16 << 7 ) ); - - silk_assert( *LTPredCodGain_Q7 == ( opus_int )silk_SAT16( silk_MUL( 3, silk_lin2log( div_Q16 ) - ( 16 << 7 ) ) ) ); - } - - /* smoothing */ - /* d = sum( B, 1 ); */ - b_Q14_ptr = b_Q14; - for( k = 0; k < nb_subfr; k++ ) { - d_Q14[ k ] = 0; - for( i = 0; i < LTP_ORDER; i++ ) { - d_Q14[ k ] += b_Q14_ptr[ i ]; - } - b_Q14_ptr += LTP_ORDER; - } - - /* m = ( w * d' ) / ( sum( w ) + 1e-3 ); */ - - /* Find maximum absolute value of d_Q14 and the bits used by w in Q0 */ - max_abs_d_Q14 = 0; - max_w_bits = 0; - for( k = 0; k < nb_subfr; k++ ) { - max_abs_d_Q14 = silk_max_32( max_abs_d_Q14, silk_abs( d_Q14[ k ] ) ); - /* w[ k ] is in Q( 18 - corr_rshifts[ k ] ) */ - /* Find bits needed in Q( 18 - maxRshifts ) */ - max_w_bits = silk_max_32( max_w_bits, 32 - silk_CLZ32( w[ k ] ) + corr_rshifts[ k ] - maxRshifts ); - } - - /* max_abs_d_Q14 = (5 << 15); worst case, i.e. LTP_ORDER * -silk_int16_MIN */ - silk_assert( max_abs_d_Q14 <= ( 5 << 15 ) ); - - /* How many bits is needed for w*d' in Q( 18 - maxRshifts ) in the worst case, of all d_Q14's being equal to max_abs_d_Q14 */ - extra_shifts = max_w_bits + 32 - silk_CLZ32( max_abs_d_Q14 ) - 14; - - /* Subtract what we got available; bits in output var plus maxRshifts */ - extra_shifts -= ( 32 - 1 - 2 + maxRshifts ); /* Keep sign bit free as well as 2 bits for accumulation */ - extra_shifts = silk_max_int( extra_shifts, 0 ); - - maxRshifts_wxtra = maxRshifts + extra_shifts; - - temp32 = silk_RSHIFT( 262, maxRshifts + extra_shifts ) + 1; /* 1e-3f in Q( 18 - (maxRshifts + extra_shifts) ) */ - wd = 0; - for( k = 0; k < nb_subfr; k++ ) { - /* w has at least 2 bits of headroom so no overflow should happen */ - temp32 = silk_ADD32( temp32, silk_RSHIFT( w[ k ], maxRshifts_wxtra - corr_rshifts[ k ] ) ); /* Q( 18 - maxRshifts_wxtra ) */ - wd = silk_ADD32( wd, silk_LSHIFT( silk_SMULWW( silk_RSHIFT( w[ k ], maxRshifts_wxtra - corr_rshifts[ k ] ), d_Q14[ k ] ), 2 ) ); /* Q( 18 - maxRshifts_wxtra ) */ - } - m_Q12 = silk_DIV32_varQ( wd, temp32, 12 ); - - b_Q14_ptr = b_Q14; - for( k = 0; k < nb_subfr; k++ ) { - /* w_fix[ k ] from Q( 18 - corr_rshifts[ k ] ) to Q( 16 ) */ - if( 2 - corr_rshifts[k] > 0 ) { - temp32 = silk_RSHIFT( w[ k ], 2 - corr_rshifts[ k ] ); - } else { - temp32 = silk_LSHIFT_SAT32( w[ k ], corr_rshifts[ k ] - 2 ); - } - - g_Q26 = silk_MUL( - silk_DIV32( - SILK_FIX_CONST( LTP_SMOOTHING, 26 ), - silk_RSHIFT( SILK_FIX_CONST( LTP_SMOOTHING, 26 ), 10 ) + temp32 ), /* Q10 */ - silk_LSHIFT_SAT32( silk_SUB_SAT32( (opus_int32)m_Q12, silk_RSHIFT( d_Q14[ k ], 2 ) ), 4 ) ); /* Q16 */ - - temp32 = 0; - for( i = 0; i < LTP_ORDER; i++ ) { - delta_b_Q14[ i ] = silk_max_16( b_Q14_ptr[ i ], 1638 ); /* 1638_Q14 = 0.1_Q0 */ - temp32 += delta_b_Q14[ i ]; /* Q14 */ - } - temp32 = silk_DIV32( g_Q26, temp32 ); /* Q14 -> Q12 */ - for( i = 0; i < LTP_ORDER; i++ ) { - b_Q14_ptr[ i ] = silk_LIMIT_32( (opus_int32)b_Q14_ptr[ i ] + silk_SMULWB( silk_LSHIFT_SAT32( temp32, 4 ), delta_b_Q14[ i ] ), -16000, 28000 ); - } - b_Q14_ptr += LTP_ORDER; - } -} - -void silk_fit_LTP( - opus_int32 LTP_coefs_Q16[ LTP_ORDER ], - opus_int16 LTP_coefs_Q14[ LTP_ORDER ] -) -{ - opus_int i; - - for( i = 0; i < LTP_ORDER; i++ ) { - LTP_coefs_Q14[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( LTP_coefs_Q16[ i ], 2 ) ); - } -} diff --git a/src/opus-1.1/silk/fixed/find_pitch_lags_FIX.c b/src/opus-1.1/silk/fixed/find_pitch_lags_FIX.c deleted file mode 100644 index 620f8dcd..00000000 --- a/src/opus-1.1/silk/fixed/find_pitch_lags_FIX.c +++ /dev/null @@ -1,145 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" -#include "tuning_parameters.h" - -/* Find pitch lags */ -void silk_find_pitch_lags_FIX( - silk_encoder_state_FIX *psEnc, /* I/O encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ - opus_int16 res[], /* O residual */ - const opus_int16 x[], /* I Speech signal */ - int arch /* I Run-time architecture */ -) -{ - opus_int buf_len, i, scale; - opus_int32 thrhld_Q13, res_nrg; - const opus_int16 *x_buf, *x_buf_ptr; - VARDECL( opus_int16, Wsig ); - opus_int16 *Wsig_ptr; - opus_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; - opus_int16 rc_Q15[ MAX_FIND_PITCH_LPC_ORDER ]; - opus_int32 A_Q24[ MAX_FIND_PITCH_LPC_ORDER ]; - opus_int16 A_Q12[ MAX_FIND_PITCH_LPC_ORDER ]; - SAVE_STACK; - - /******************************************/ - /* Set up buffer lengths etc based on Fs */ - /******************************************/ - buf_len = psEnc->sCmn.la_pitch + psEnc->sCmn.frame_length + psEnc->sCmn.ltp_mem_length; - - /* Safety check */ - silk_assert( buf_len >= psEnc->sCmn.pitch_LPC_win_length ); - - x_buf = x - psEnc->sCmn.ltp_mem_length; - - /*************************************/ - /* Estimate LPC AR coefficients */ - /*************************************/ - - /* Calculate windowed signal */ - - ALLOC( Wsig, psEnc->sCmn.pitch_LPC_win_length, opus_int16 ); - - /* First LA_LTP samples */ - x_buf_ptr = x_buf + buf_len - psEnc->sCmn.pitch_LPC_win_length; - Wsig_ptr = Wsig; - silk_apply_sine_window( Wsig_ptr, x_buf_ptr, 1, psEnc->sCmn.la_pitch ); - - /* Middle un - windowed samples */ - Wsig_ptr += psEnc->sCmn.la_pitch; - x_buf_ptr += psEnc->sCmn.la_pitch; - silk_memcpy( Wsig_ptr, x_buf_ptr, ( psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 ) ) * sizeof( opus_int16 ) ); - - /* Last LA_LTP samples */ - Wsig_ptr += psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 ); - x_buf_ptr += psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 ); - silk_apply_sine_window( Wsig_ptr, x_buf_ptr, 2, psEnc->sCmn.la_pitch ); - - /* Calculate autocorrelation sequence */ - silk_autocorr( auto_corr, &scale, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1, arch ); - - /* Add white noise, as fraction of energy */ - auto_corr[ 0 ] = silk_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], SILK_FIX_CONST( FIND_PITCH_WHITE_NOISE_FRACTION, 16 ) ) + 1; - - /* Calculate the reflection coefficients using schur */ - res_nrg = silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder ); - - /* Prediction gain */ - psEncCtrl->predGain_Q16 = silk_DIV32_varQ( auto_corr[ 0 ], silk_max_int( res_nrg, 1 ), 16 ); - - /* Convert reflection coefficients to prediction coefficients */ - silk_k2a( A_Q24, rc_Q15, psEnc->sCmn.pitchEstimationLPCOrder ); - - /* Convert From 32 bit Q24 to 16 bit Q12 coefs */ - for( i = 0; i < psEnc->sCmn.pitchEstimationLPCOrder; i++ ) { - A_Q12[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT( A_Q24[ i ], 12 ) ); - } - - /* Do BWE */ - silk_bwexpander( A_Q12, psEnc->sCmn.pitchEstimationLPCOrder, SILK_FIX_CONST( FIND_PITCH_BANDWIDTH_EXPANSION, 16 ) ); - - /*****************************************/ - /* LPC analysis filtering */ - /*****************************************/ - silk_LPC_analysis_filter( res, x_buf, A_Q12, buf_len, psEnc->sCmn.pitchEstimationLPCOrder ); - - if( psEnc->sCmn.indices.signalType != TYPE_NO_VOICE_ACTIVITY && psEnc->sCmn.first_frame_after_reset == 0 ) { - /* Threshold for pitch estimator */ - thrhld_Q13 = SILK_FIX_CONST( 0.6, 13 ); - thrhld_Q13 = silk_SMLABB( thrhld_Q13, SILK_FIX_CONST( -0.004, 13 ), psEnc->sCmn.pitchEstimationLPCOrder ); - thrhld_Q13 = silk_SMLAWB( thrhld_Q13, SILK_FIX_CONST( -0.1, 21 ), psEnc->sCmn.speech_activity_Q8 ); - thrhld_Q13 = silk_SMLABB( thrhld_Q13, SILK_FIX_CONST( -0.15, 13 ), silk_RSHIFT( psEnc->sCmn.prevSignalType, 1 ) ); - thrhld_Q13 = silk_SMLAWB( thrhld_Q13, SILK_FIX_CONST( -0.1, 14 ), psEnc->sCmn.input_tilt_Q15 ); - thrhld_Q13 = silk_SAT16( thrhld_Q13 ); - - /*****************************************/ - /* Call pitch estimator */ - /*****************************************/ - if( silk_pitch_analysis_core( res, psEncCtrl->pitchL, &psEnc->sCmn.indices.lagIndex, &psEnc->sCmn.indices.contourIndex, - &psEnc->LTPCorr_Q15, psEnc->sCmn.prevLag, psEnc->sCmn.pitchEstimationThreshold_Q16, - (opus_int)thrhld_Q13, psEnc->sCmn.fs_kHz, psEnc->sCmn.pitchEstimationComplexity, psEnc->sCmn.nb_subfr, - psEnc->sCmn.arch) == 0 ) - { - psEnc->sCmn.indices.signalType = TYPE_VOICED; - } else { - psEnc->sCmn.indices.signalType = TYPE_UNVOICED; - } - } else { - silk_memset( psEncCtrl->pitchL, 0, sizeof( psEncCtrl->pitchL ) ); - psEnc->sCmn.indices.lagIndex = 0; - psEnc->sCmn.indices.contourIndex = 0; - psEnc->LTPCorr_Q15 = 0; - } - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/fixed/find_pred_coefs_FIX.c b/src/opus-1.1/silk/fixed/find_pred_coefs_FIX.c deleted file mode 100644 index 5c22f828..00000000 --- a/src/opus-1.1/silk/fixed/find_pred_coefs_FIX.c +++ /dev/null @@ -1,147 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" - -void silk_find_pred_coefs_FIX( - silk_encoder_state_FIX *psEnc, /* I/O encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ - const opus_int16 res_pitch[], /* I Residual from pitch analysis */ - const opus_int16 x[], /* I Speech signal */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int i; - opus_int32 invGains_Q16[ MAX_NB_SUBFR ], local_gains[ MAX_NB_SUBFR ], Wght_Q15[ MAX_NB_SUBFR ]; - opus_int16 NLSF_Q15[ MAX_LPC_ORDER ]; - const opus_int16 *x_ptr; - opus_int16 *x_pre_ptr; - VARDECL( opus_int16, LPC_in_pre ); - opus_int32 tmp, min_gain_Q16, minInvGain_Q30; - opus_int LTP_corrs_rshift[ MAX_NB_SUBFR ]; - SAVE_STACK; - - /* weighting for weighted least squares */ - min_gain_Q16 = silk_int32_MAX >> 6; - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - min_gain_Q16 = silk_min( min_gain_Q16, psEncCtrl->Gains_Q16[ i ] ); - } - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - /* Divide to Q16 */ - silk_assert( psEncCtrl->Gains_Q16[ i ] > 0 ); - /* Invert and normalize gains, and ensure that maximum invGains_Q16 is within range of a 16 bit int */ - invGains_Q16[ i ] = silk_DIV32_varQ( min_gain_Q16, psEncCtrl->Gains_Q16[ i ], 16 - 2 ); - - /* Ensure Wght_Q15 a minimum value 1 */ - invGains_Q16[ i ] = silk_max( invGains_Q16[ i ], 363 ); - - /* Square the inverted gains */ - silk_assert( invGains_Q16[ i ] == silk_SAT16( invGains_Q16[ i ] ) ); - tmp = silk_SMULWB( invGains_Q16[ i ], invGains_Q16[ i ] ); - Wght_Q15[ i ] = silk_RSHIFT( tmp, 1 ); - - /* Invert the inverted and normalized gains */ - local_gains[ i ] = silk_DIV32( ( (opus_int32)1 << 16 ), invGains_Q16[ i ] ); - } - - ALLOC( LPC_in_pre, - psEnc->sCmn.nb_subfr * psEnc->sCmn.predictLPCOrder - + psEnc->sCmn.frame_length, opus_int16 ); - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - VARDECL( opus_int32, WLTP ); - - /**********/ - /* VOICED */ - /**********/ - silk_assert( psEnc->sCmn.ltp_mem_length - psEnc->sCmn.predictLPCOrder >= psEncCtrl->pitchL[ 0 ] + LTP_ORDER / 2 ); - - ALLOC( WLTP, psEnc->sCmn.nb_subfr * LTP_ORDER * LTP_ORDER, opus_int32 ); - - /* LTP analysis */ - silk_find_LTP_FIX( psEncCtrl->LTPCoef_Q14, WLTP, &psEncCtrl->LTPredCodGain_Q7, - res_pitch, psEncCtrl->pitchL, Wght_Q15, psEnc->sCmn.subfr_length, - psEnc->sCmn.nb_subfr, psEnc->sCmn.ltp_mem_length, LTP_corrs_rshift ); - - /* Quantize LTP gain parameters */ - silk_quant_LTP_gains( psEncCtrl->LTPCoef_Q14, psEnc->sCmn.indices.LTPIndex, &psEnc->sCmn.indices.PERIndex, - &psEnc->sCmn.sum_log_gain_Q7, WLTP, psEnc->sCmn.mu_LTP_Q9, psEnc->sCmn.LTPQuantLowComplexity, psEnc->sCmn.nb_subfr); - - /* Control LTP scaling */ - silk_LTP_scale_ctrl_FIX( psEnc, psEncCtrl, condCoding ); - - /* Create LTP residual */ - silk_LTP_analysis_filter_FIX( LPC_in_pre, x - psEnc->sCmn.predictLPCOrder, psEncCtrl->LTPCoef_Q14, - psEncCtrl->pitchL, invGains_Q16, psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr, psEnc->sCmn.predictLPCOrder ); - - } else { - /************/ - /* UNVOICED */ - /************/ - /* Create signal with prepended subframes, scaled by inverse gains */ - x_ptr = x - psEnc->sCmn.predictLPCOrder; - x_pre_ptr = LPC_in_pre; - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - silk_scale_copy_vector16( x_pre_ptr, x_ptr, invGains_Q16[ i ], - psEnc->sCmn.subfr_length + psEnc->sCmn.predictLPCOrder ); - x_pre_ptr += psEnc->sCmn.subfr_length + psEnc->sCmn.predictLPCOrder; - x_ptr += psEnc->sCmn.subfr_length; - } - - silk_memset( psEncCtrl->LTPCoef_Q14, 0, psEnc->sCmn.nb_subfr * LTP_ORDER * sizeof( opus_int16 ) ); - psEncCtrl->LTPredCodGain_Q7 = 0; - psEnc->sCmn.sum_log_gain_Q7 = 0; - } - - /* Limit on total predictive coding gain */ - if( psEnc->sCmn.first_frame_after_reset ) { - minInvGain_Q30 = SILK_FIX_CONST( 1.0f / MAX_PREDICTION_POWER_GAIN_AFTER_RESET, 30 ); - } else { - minInvGain_Q30 = silk_log2lin( silk_SMLAWB( 16 << 7, (opus_int32)psEncCtrl->LTPredCodGain_Q7, SILK_FIX_CONST( 1.0 / 3, 16 ) ) ); /* Q16 */ - minInvGain_Q30 = silk_DIV32_varQ( minInvGain_Q30, - silk_SMULWW( SILK_FIX_CONST( MAX_PREDICTION_POWER_GAIN, 0 ), - silk_SMLAWB( SILK_FIX_CONST( 0.25, 18 ), SILK_FIX_CONST( 0.75, 18 ), psEncCtrl->coding_quality_Q14 ) ), 14 ); - } - - /* LPC_in_pre contains the LTP-filtered input for voiced, and the unfiltered input for unvoiced */ - silk_find_LPC_FIX( &psEnc->sCmn, NLSF_Q15, LPC_in_pre, minInvGain_Q30 ); - - /* Quantize LSFs */ - silk_process_NLSFs( &psEnc->sCmn, psEncCtrl->PredCoef_Q12, NLSF_Q15, psEnc->sCmn.prev_NLSFq_Q15 ); - - /* Calculate residual energy using quantized LPC coefficients */ - silk_residual_energy_FIX( psEncCtrl->ResNrg, psEncCtrl->ResNrgQ, LPC_in_pre, psEncCtrl->PredCoef_Q12, local_gains, - psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr, psEnc->sCmn.predictLPCOrder ); - - /* Copy to prediction struct for use in next frame for interpolation */ - silk_memcpy( psEnc->sCmn.prev_NLSFq_Q15, NLSF_Q15, sizeof( psEnc->sCmn.prev_NLSFq_Q15 ) ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/fixed/k2a_FIX.c b/src/opus-1.1/silk/fixed/k2a_FIX.c deleted file mode 100644 index 5fee599b..00000000 --- a/src/opus-1.1/silk/fixed/k2a_FIX.c +++ /dev/null @@ -1,53 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Step up function, converts reflection coefficients to prediction coefficients */ -void silk_k2a( - opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */ - const opus_int16 *rc_Q15, /* I Reflection coefficients [order] Q15 */ - const opus_int32 order /* I Prediction order */ -) -{ - opus_int k, n; - opus_int32 Atmp[ SILK_MAX_ORDER_LPC ]; - - for( k = 0; k < order; k++ ) { - for( n = 0; n < k; n++ ) { - Atmp[ n ] = A_Q24[ n ]; - } - for( n = 0; n < k; n++ ) { - A_Q24[ n ] = silk_SMLAWB( A_Q24[ n ], silk_LSHIFT( Atmp[ k - n - 1 ], 1 ), rc_Q15[ k ] ); - } - A_Q24[ k ] = -silk_LSHIFT( (opus_int32)rc_Q15[ k ], 9 ); - } -} diff --git a/src/opus-1.1/silk/fixed/k2a_Q16_FIX.c b/src/opus-1.1/silk/fixed/k2a_Q16_FIX.c deleted file mode 100644 index 3b039875..00000000 --- a/src/opus-1.1/silk/fixed/k2a_Q16_FIX.c +++ /dev/null @@ -1,53 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Step up function, converts reflection coefficients to prediction coefficients */ -void silk_k2a_Q16( - opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */ - const opus_int32 *rc_Q16, /* I Reflection coefficients [order] Q16 */ - const opus_int32 order /* I Prediction order */ -) -{ - opus_int k, n; - opus_int32 Atmp[ SILK_MAX_ORDER_LPC ]; - - for( k = 0; k < order; k++ ) { - for( n = 0; n < k; n++ ) { - Atmp[ n ] = A_Q24[ n ]; - } - for( n = 0; n < k; n++ ) { - A_Q24[ n ] = silk_SMLAWW( A_Q24[ n ], Atmp[ k - n - 1 ], rc_Q16[ k ] ); - } - A_Q24[ k ] = -silk_LSHIFT( rc_Q16[ k ], 8 ); - } -} diff --git a/src/opus-1.1/silk/fixed/main_FIX.h b/src/opus-1.1/silk/fixed/main_FIX.h deleted file mode 100644 index a56ca07a..00000000 --- a/src/opus-1.1/silk/fixed/main_FIX.h +++ /dev/null @@ -1,257 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_MAIN_FIX_H -#define SILK_MAIN_FIX_H - -#include "SigProc_FIX.h" -#include "structs_FIX.h" -#include "control.h" -#include "main.h" -#include "PLC.h" -#include "debug.h" -#include "entenc.h" - -#ifndef FORCE_CPP_BUILD -#ifdef __cplusplus -extern "C" -{ -#endif -#endif - -#define silk_encoder_state_Fxx silk_encoder_state_FIX -#define silk_encode_do_VAD_Fxx silk_encode_do_VAD_FIX -#define silk_encode_frame_Fxx silk_encode_frame_FIX - -/*********************/ -/* Encoder Functions */ -/*********************/ - -/* High-pass filter with cutoff frequency adaptation based on pitch lag statistics */ -void silk_HP_variable_cutoff( - silk_encoder_state_Fxx state_Fxx[] /* I/O Encoder states */ -); - -/* Encoder main function */ -void silk_encode_do_VAD_FIX( - silk_encoder_state_FIX *psEnc /* I/O Pointer to Silk FIX encoder state */ -); - -/* Encoder main function */ -opus_int silk_encode_frame_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */ - opus_int32 *pnBytesOut, /* O Pointer to number of payload bytes; */ - ec_enc *psRangeEnc, /* I/O compressor data structure */ - opus_int condCoding, /* I The type of conditional coding to use */ - opus_int maxBits, /* I If > 0: maximum number of output bits */ - opus_int useCBR /* I Flag to force constant-bitrate operation */ -); - -/* Initializes the Silk encoder state */ -opus_int silk_init_encoder( - silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk FIX encoder state */ - int arch /* I Run-time architecture */ -); - -/* Control the Silk encoder */ -opus_int silk_control_encoder( - silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk encoder state */ - silk_EncControlStruct *encControl, /* I Control structure */ - const opus_int32 TargetRate_bps, /* I Target max bitrate (bps) */ - const opus_int allow_bw_switch, /* I Flag to allow switching audio bandwidth */ - const opus_int channelNb, /* I Channel number */ - const opus_int force_fs_kHz -); - -/****************/ -/* Prefiltering */ -/****************/ -void silk_prefilter_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Encoder state */ - const silk_encoder_control_FIX *psEncCtrl, /* I Encoder control */ - opus_int32 xw_Q10[], /* O Weighted signal */ - const opus_int16 x[] /* I Speech signal */ -); - -/**************************/ -/* Noise shaping analysis */ -/**************************/ -/* Compute noise shaping coefficients and initial gain values */ -void silk_noise_shape_analysis_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Encoder state FIX */ - silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control FIX */ - const opus_int16 *pitch_res, /* I LPC residual from pitch analysis */ - const opus_int16 *x, /* I Input signal [ frame_length + la_shape ] */ - int arch /* I Run-time architecture */ -); - -/* Autocorrelations for a warped frequency axis */ -void silk_warped_autocorrelation_FIX( - opus_int32 *corr, /* O Result [order + 1] */ - opus_int *scale, /* O Scaling of the correlation vector */ - const opus_int16 *input, /* I Input data to correlate */ - const opus_int warping_Q16, /* I Warping coefficient */ - const opus_int length, /* I Length of input */ - const opus_int order /* I Correlation order (even) */ -); - -/* Calculation of LTP state scaling */ -void silk_LTP_scale_ctrl_FIX( - silk_encoder_state_FIX *psEnc, /* I/O encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/**********************************************/ -/* Prediction Analysis */ -/**********************************************/ -/* Find pitch lags */ -void silk_find_pitch_lags_FIX( - silk_encoder_state_FIX *psEnc, /* I/O encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ - opus_int16 res[], /* O residual */ - const opus_int16 x[], /* I Speech signal */ - int arch /* I Run-time architecture */ -); - -/* Find LPC and LTP coefficients */ -void silk_find_pred_coefs_FIX( - silk_encoder_state_FIX *psEnc, /* I/O encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ - const opus_int16 res_pitch[], /* I Residual from pitch analysis */ - const opus_int16 x[], /* I Speech signal */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/* LPC analysis */ -void silk_find_LPC_FIX( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 NLSF_Q15[], /* O NLSFs */ - const opus_int16 x[], /* I Input signal */ - const opus_int32 minInvGain_Q30 /* I Inverse of max prediction gain */ -); - -/* LTP analysis */ -void silk_find_LTP_FIX( - opus_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ - opus_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */ - opus_int *LTPredCodGain_Q7, /* O LTP coding gain */ - const opus_int16 r_lpc[], /* I residual signal after LPC signal + state for first 10 ms */ - const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ - const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */ - const opus_int subfr_length, /* I subframe length */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int mem_offset, /* I number of samples in LTP memory */ - opus_int corr_rshifts[ MAX_NB_SUBFR ] /* O right shifts applied to correlations */ -); - -void silk_LTP_analysis_filter_FIX( - opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */ - const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */ - const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */ - const opus_int subfr_length, /* I Length of each subframe */ - const opus_int nb_subfr, /* I Number of subframes */ - const opus_int pre_length /* I Length of the preceding samples starting at &x[0] for each subframe */ -); - -/* Calculates residual energies of input subframes where all subframes have LPC_order */ -/* of preceding samples */ -void silk_residual_energy_FIX( - opus_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ - opus_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */ - const opus_int16 x[], /* I Input signal */ - opus_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ - const opus_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I Number of subframes */ - const opus_int LPC_order /* I LPC order */ -); - -/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */ -opus_int32 silk_residual_energy16_covar_FIX( - const opus_int16 *c, /* I Prediction vector */ - const opus_int32 *wXX, /* I Correlation matrix */ - const opus_int32 *wXx, /* I Correlation vector */ - opus_int32 wxx, /* I Signal energy */ - opus_int D, /* I Dimension */ - opus_int cQ /* I Q value for c vector 0 - 15 */ -); - -/* Processing of gains */ -void silk_process_gains_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/******************/ -/* Linear Algebra */ -/******************/ -/* Calculates correlation matrix X'*X */ -void silk_corrMatrix_FIX( - const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ - const opus_int L, /* I Length of vectors */ - const opus_int order, /* I Max lag for correlation */ - const opus_int head_room, /* I Desired headroom */ - opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */ - opus_int *rshifts /* I/O Right shifts of correlations */ -); - -/* Calculates correlation vector X'*t */ -void silk_corrVector_FIX( - const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ - const opus_int16 *t, /* I Target vector [L] */ - const opus_int L, /* I Length of vectors */ - const opus_int order, /* I Max lag for correlation */ - opus_int32 *Xt, /* O Pointer to X'*t correlation vector [order] */ - const opus_int rshifts /* I Right shifts of correlations */ -); - -/* Add noise to matrix diagonal */ -void silk_regularize_correlations_FIX( - opus_int32 *XX, /* I/O Correlation matrices */ - opus_int32 *xx, /* I/O Correlation values */ - opus_int32 noise, /* I Noise to add */ - opus_int D /* I Dimension of XX */ -); - -/* Solves Ax = b, assuming A is symmetric */ -void silk_solve_LDL_FIX( - opus_int32 *A, /* I Pointer to symetric square matrix A */ - opus_int M, /* I Size of matrix */ - const opus_int32 *b, /* I Pointer to b vector */ - opus_int32 *x_Q16 /* O Pointer to x solution vector */ -); - -#ifndef FORCE_CPP_BUILD -#ifdef __cplusplus -} -#endif /* __cplusplus */ -#endif /* FORCE_CPP_BUILD */ -#endif /* SILK_MAIN_FIX_H */ diff --git a/src/opus-1.1/silk/fixed/noise_shape_analysis_FIX.c b/src/opus-1.1/silk/fixed/noise_shape_analysis_FIX.c deleted file mode 100644 index e24d2e9d..00000000 --- a/src/opus-1.1/silk/fixed/noise_shape_analysis_FIX.c +++ /dev/null @@ -1,445 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" -#include "tuning_parameters.h" - -/* Compute gain to make warped filter coefficients have a zero mean log frequency response on a */ -/* non-warped frequency scale. (So that it can be implemented with a minimum-phase monic filter.) */ -/* Note: A monic filter is one with the first coefficient equal to 1.0. In Silk we omit the first */ -/* coefficient in an array of coefficients, for monic filters. */ -static OPUS_INLINE opus_int32 warped_gain( /* gain in Q16*/ - const opus_int32 *coefs_Q24, - opus_int lambda_Q16, - opus_int order -) { - opus_int i; - opus_int32 gain_Q24; - - lambda_Q16 = -lambda_Q16; - gain_Q24 = coefs_Q24[ order - 1 ]; - for( i = order - 2; i >= 0; i-- ) { - gain_Q24 = silk_SMLAWB( coefs_Q24[ i ], gain_Q24, lambda_Q16 ); - } - gain_Q24 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 24 ), gain_Q24, -lambda_Q16 ); - return silk_INVERSE32_varQ( gain_Q24, 40 ); -} - -/* Convert warped filter coefficients to monic pseudo-warped coefficients and limit maximum */ -/* amplitude of monic warped coefficients by using bandwidth expansion on the true coefficients */ -static OPUS_INLINE void limit_warped_coefs( - opus_int32 *coefs_syn_Q24, - opus_int32 *coefs_ana_Q24, - opus_int lambda_Q16, - opus_int32 limit_Q24, - opus_int order -) { - opus_int i, iter, ind = 0; - opus_int32 tmp, maxabs_Q24, chirp_Q16, gain_syn_Q16, gain_ana_Q16; - opus_int32 nom_Q16, den_Q24; - - /* Convert to monic coefficients */ - lambda_Q16 = -lambda_Q16; - for( i = order - 1; i > 0; i-- ) { - coefs_syn_Q24[ i - 1 ] = silk_SMLAWB( coefs_syn_Q24[ i - 1 ], coefs_syn_Q24[ i ], lambda_Q16 ); - coefs_ana_Q24[ i - 1 ] = silk_SMLAWB( coefs_ana_Q24[ i - 1 ], coefs_ana_Q24[ i ], lambda_Q16 ); - } - lambda_Q16 = -lambda_Q16; - nom_Q16 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 16 ), -(opus_int32)lambda_Q16, lambda_Q16 ); - den_Q24 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 24 ), coefs_syn_Q24[ 0 ], lambda_Q16 ); - gain_syn_Q16 = silk_DIV32_varQ( nom_Q16, den_Q24, 24 ); - den_Q24 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 24 ), coefs_ana_Q24[ 0 ], lambda_Q16 ); - gain_ana_Q16 = silk_DIV32_varQ( nom_Q16, den_Q24, 24 ); - for( i = 0; i < order; i++ ) { - coefs_syn_Q24[ i ] = silk_SMULWW( gain_syn_Q16, coefs_syn_Q24[ i ] ); - coefs_ana_Q24[ i ] = silk_SMULWW( gain_ana_Q16, coefs_ana_Q24[ i ] ); - } - - for( iter = 0; iter < 10; iter++ ) { - /* Find maximum absolute value */ - maxabs_Q24 = -1; - for( i = 0; i < order; i++ ) { - tmp = silk_max( silk_abs_int32( coefs_syn_Q24[ i ] ), silk_abs_int32( coefs_ana_Q24[ i ] ) ); - if( tmp > maxabs_Q24 ) { - maxabs_Q24 = tmp; - ind = i; - } - } - if( maxabs_Q24 <= limit_Q24 ) { - /* Coefficients are within range - done */ - return; - } - - /* Convert back to true warped coefficients */ - for( i = 1; i < order; i++ ) { - coefs_syn_Q24[ i - 1 ] = silk_SMLAWB( coefs_syn_Q24[ i - 1 ], coefs_syn_Q24[ i ], lambda_Q16 ); - coefs_ana_Q24[ i - 1 ] = silk_SMLAWB( coefs_ana_Q24[ i - 1 ], coefs_ana_Q24[ i ], lambda_Q16 ); - } - gain_syn_Q16 = silk_INVERSE32_varQ( gain_syn_Q16, 32 ); - gain_ana_Q16 = silk_INVERSE32_varQ( gain_ana_Q16, 32 ); - for( i = 0; i < order; i++ ) { - coefs_syn_Q24[ i ] = silk_SMULWW( gain_syn_Q16, coefs_syn_Q24[ i ] ); - coefs_ana_Q24[ i ] = silk_SMULWW( gain_ana_Q16, coefs_ana_Q24[ i ] ); - } - - /* Apply bandwidth expansion */ - chirp_Q16 = SILK_FIX_CONST( 0.99, 16 ) - silk_DIV32_varQ( - silk_SMULWB( maxabs_Q24 - limit_Q24, silk_SMLABB( SILK_FIX_CONST( 0.8, 10 ), SILK_FIX_CONST( 0.1, 10 ), iter ) ), - silk_MUL( maxabs_Q24, ind + 1 ), 22 ); - silk_bwexpander_32( coefs_syn_Q24, order, chirp_Q16 ); - silk_bwexpander_32( coefs_ana_Q24, order, chirp_Q16 ); - - /* Convert to monic warped coefficients */ - lambda_Q16 = -lambda_Q16; - for( i = order - 1; i > 0; i-- ) { - coefs_syn_Q24[ i - 1 ] = silk_SMLAWB( coefs_syn_Q24[ i - 1 ], coefs_syn_Q24[ i ], lambda_Q16 ); - coefs_ana_Q24[ i - 1 ] = silk_SMLAWB( coefs_ana_Q24[ i - 1 ], coefs_ana_Q24[ i ], lambda_Q16 ); - } - lambda_Q16 = -lambda_Q16; - nom_Q16 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 16 ), -(opus_int32)lambda_Q16, lambda_Q16 ); - den_Q24 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 24 ), coefs_syn_Q24[ 0 ], lambda_Q16 ); - gain_syn_Q16 = silk_DIV32_varQ( nom_Q16, den_Q24, 24 ); - den_Q24 = silk_SMLAWB( SILK_FIX_CONST( 1.0, 24 ), coefs_ana_Q24[ 0 ], lambda_Q16 ); - gain_ana_Q16 = silk_DIV32_varQ( nom_Q16, den_Q24, 24 ); - for( i = 0; i < order; i++ ) { - coefs_syn_Q24[ i ] = silk_SMULWW( gain_syn_Q16, coefs_syn_Q24[ i ] ); - coefs_ana_Q24[ i ] = silk_SMULWW( gain_ana_Q16, coefs_ana_Q24[ i ] ); - } - } - silk_assert( 0 ); -} - -/**************************************************************/ -/* Compute noise shaping coefficients and initial gain values */ -/**************************************************************/ -void silk_noise_shape_analysis_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Encoder state FIX */ - silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control FIX */ - const opus_int16 *pitch_res, /* I LPC residual from pitch analysis */ - const opus_int16 *x, /* I Input signal [ frame_length + la_shape ] */ - int arch /* I Run-time architecture */ -) -{ - silk_shape_state_FIX *psShapeSt = &psEnc->sShape; - opus_int k, i, nSamples, Qnrg, b_Q14, warping_Q16, scale = 0; - opus_int32 SNR_adj_dB_Q7, HarmBoost_Q16, HarmShapeGain_Q16, Tilt_Q16, tmp32; - opus_int32 nrg, pre_nrg_Q30, log_energy_Q7, log_energy_prev_Q7, energy_variation_Q7; - opus_int32 delta_Q16, BWExp1_Q16, BWExp2_Q16, gain_mult_Q16, gain_add_Q16, strength_Q16, b_Q8; - opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; - opus_int32 refl_coef_Q16[ MAX_SHAPE_LPC_ORDER ]; - opus_int32 AR1_Q24[ MAX_SHAPE_LPC_ORDER ]; - opus_int32 AR2_Q24[ MAX_SHAPE_LPC_ORDER ]; - VARDECL( opus_int16, x_windowed ); - const opus_int16 *x_ptr, *pitch_res_ptr; - SAVE_STACK; - - /* Point to start of first LPC analysis block */ - x_ptr = x - psEnc->sCmn.la_shape; - - /****************/ - /* GAIN CONTROL */ - /****************/ - SNR_adj_dB_Q7 = psEnc->sCmn.SNR_dB_Q7; - - /* Input quality is the average of the quality in the lowest two VAD bands */ - psEncCtrl->input_quality_Q14 = ( opus_int )silk_RSHIFT( (opus_int32)psEnc->sCmn.input_quality_bands_Q15[ 0 ] - + psEnc->sCmn.input_quality_bands_Q15[ 1 ], 2 ); - - /* Coding quality level, between 0.0_Q0 and 1.0_Q0, but in Q14 */ - psEncCtrl->coding_quality_Q14 = silk_RSHIFT( silk_sigm_Q15( silk_RSHIFT_ROUND( SNR_adj_dB_Q7 - - SILK_FIX_CONST( 20.0, 7 ), 4 ) ), 1 ); - - /* Reduce coding SNR during low speech activity */ - if( psEnc->sCmn.useCBR == 0 ) { - b_Q8 = SILK_FIX_CONST( 1.0, 8 ) - psEnc->sCmn.speech_activity_Q8; - b_Q8 = silk_SMULWB( silk_LSHIFT( b_Q8, 8 ), b_Q8 ); - SNR_adj_dB_Q7 = silk_SMLAWB( SNR_adj_dB_Q7, - silk_SMULBB( SILK_FIX_CONST( -BG_SNR_DECR_dB, 7 ) >> ( 4 + 1 ), b_Q8 ), /* Q11*/ - silk_SMULWB( SILK_FIX_CONST( 1.0, 14 ) + psEncCtrl->input_quality_Q14, psEncCtrl->coding_quality_Q14 ) ); /* Q12*/ - } - - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Reduce gains for periodic signals */ - SNR_adj_dB_Q7 = silk_SMLAWB( SNR_adj_dB_Q7, SILK_FIX_CONST( HARM_SNR_INCR_dB, 8 ), psEnc->LTPCorr_Q15 ); - } else { - /* For unvoiced signals and low-quality input, adjust the quality slower than SNR_dB setting */ - SNR_adj_dB_Q7 = silk_SMLAWB( SNR_adj_dB_Q7, - silk_SMLAWB( SILK_FIX_CONST( 6.0, 9 ), -SILK_FIX_CONST( 0.4, 18 ), psEnc->sCmn.SNR_dB_Q7 ), - SILK_FIX_CONST( 1.0, 14 ) - psEncCtrl->input_quality_Q14 ); - } - - /*************************/ - /* SPARSENESS PROCESSING */ - /*************************/ - /* Set quantizer offset */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Initially set to 0; may be overruled in process_gains(..) */ - psEnc->sCmn.indices.quantOffsetType = 0; - psEncCtrl->sparseness_Q8 = 0; - } else { - /* Sparseness measure, based on relative fluctuations of energy per 2 milliseconds */ - nSamples = silk_LSHIFT( psEnc->sCmn.fs_kHz, 1 ); - energy_variation_Q7 = 0; - log_energy_prev_Q7 = 0; - pitch_res_ptr = pitch_res; - for( k = 0; k < silk_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr ) / 2; k++ ) { - silk_sum_sqr_shift( &nrg, &scale, pitch_res_ptr, nSamples ); - nrg += silk_RSHIFT( nSamples, scale ); /* Q(-scale)*/ - - log_energy_Q7 = silk_lin2log( nrg ); - if( k > 0 ) { - energy_variation_Q7 += silk_abs( log_energy_Q7 - log_energy_prev_Q7 ); - } - log_energy_prev_Q7 = log_energy_Q7; - pitch_res_ptr += nSamples; - } - - psEncCtrl->sparseness_Q8 = silk_RSHIFT( silk_sigm_Q15( silk_SMULWB( energy_variation_Q7 - - SILK_FIX_CONST( 5.0, 7 ), SILK_FIX_CONST( 0.1, 16 ) ) ), 7 ); - - /* Set quantization offset depending on sparseness measure */ - if( psEncCtrl->sparseness_Q8 > SILK_FIX_CONST( SPARSENESS_THRESHOLD_QNT_OFFSET, 8 ) ) { - psEnc->sCmn.indices.quantOffsetType = 0; - } else { - psEnc->sCmn.indices.quantOffsetType = 1; - } - - /* Increase coding SNR for sparse signals */ - SNR_adj_dB_Q7 = silk_SMLAWB( SNR_adj_dB_Q7, SILK_FIX_CONST( SPARSE_SNR_INCR_dB, 15 ), psEncCtrl->sparseness_Q8 - SILK_FIX_CONST( 0.5, 8 ) ); - } - - /*******************************/ - /* Control bandwidth expansion */ - /*******************************/ - /* More BWE for signals with high prediction gain */ - strength_Q16 = silk_SMULWB( psEncCtrl->predGain_Q16, SILK_FIX_CONST( FIND_PITCH_WHITE_NOISE_FRACTION, 16 ) ); - BWExp1_Q16 = BWExp2_Q16 = silk_DIV32_varQ( SILK_FIX_CONST( BANDWIDTH_EXPANSION, 16 ), - silk_SMLAWW( SILK_FIX_CONST( 1.0, 16 ), strength_Q16, strength_Q16 ), 16 ); - delta_Q16 = silk_SMULWB( SILK_FIX_CONST( 1.0, 16 ) - silk_SMULBB( 3, psEncCtrl->coding_quality_Q14 ), - SILK_FIX_CONST( LOW_RATE_BANDWIDTH_EXPANSION_DELTA, 16 ) ); - BWExp1_Q16 = silk_SUB32( BWExp1_Q16, delta_Q16 ); - BWExp2_Q16 = silk_ADD32( BWExp2_Q16, delta_Q16 ); - /* BWExp1 will be applied after BWExp2, so make it relative */ - BWExp1_Q16 = silk_DIV32_16( silk_LSHIFT( BWExp1_Q16, 14 ), silk_RSHIFT( BWExp2_Q16, 2 ) ); - - if( psEnc->sCmn.warping_Q16 > 0 ) { - /* Slightly more warping in analysis will move quantization noise up in frequency, where it's better masked */ - warping_Q16 = silk_SMLAWB( psEnc->sCmn.warping_Q16, (opus_int32)psEncCtrl->coding_quality_Q14, SILK_FIX_CONST( 0.01, 18 ) ); - } else { - warping_Q16 = 0; - } - - /********************************************/ - /* Compute noise shaping AR coefs and gains */ - /********************************************/ - ALLOC( x_windowed, psEnc->sCmn.shapeWinLength, opus_int16 ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - /* Apply window: sine slope followed by flat part followed by cosine slope */ - opus_int shift, slope_part, flat_part; - flat_part = psEnc->sCmn.fs_kHz * 3; - slope_part = silk_RSHIFT( psEnc->sCmn.shapeWinLength - flat_part, 1 ); - - silk_apply_sine_window( x_windowed, x_ptr, 1, slope_part ); - shift = slope_part; - silk_memcpy( x_windowed + shift, x_ptr + shift, flat_part * sizeof(opus_int16) ); - shift += flat_part; - silk_apply_sine_window( x_windowed + shift, x_ptr + shift, 2, slope_part ); - - /* Update pointer: next LPC analysis block */ - x_ptr += psEnc->sCmn.subfr_length; - - if( psEnc->sCmn.warping_Q16 > 0 ) { - /* Calculate warped auto correlation */ - silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder ); - } else { - /* Calculate regular auto correlation */ - silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1, arch ); - } - - /* Add white noise, as a fraction of energy */ - auto_corr[0] = silk_ADD32( auto_corr[0], silk_max_32( silk_SMULWB( silk_RSHIFT( auto_corr[ 0 ], 4 ), - SILK_FIX_CONST( SHAPE_WHITE_NOISE_FRACTION, 20 ) ), 1 ) ); - - /* Calculate the reflection coefficients using schur */ - nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder ); - silk_assert( nrg >= 0 ); - - /* Convert reflection coefficients to prediction coefficients */ - silk_k2a_Q16( AR2_Q24, refl_coef_Q16, psEnc->sCmn.shapingLPCOrder ); - - Qnrg = -scale; /* range: -12...30*/ - silk_assert( Qnrg >= -12 ); - silk_assert( Qnrg <= 30 ); - - /* Make sure that Qnrg is an even number */ - if( Qnrg & 1 ) { - Qnrg -= 1; - nrg >>= 1; - } - - tmp32 = silk_SQRT_APPROX( nrg ); - Qnrg >>= 1; /* range: -6...15*/ - - psEncCtrl->Gains_Q16[ k ] = silk_LSHIFT_SAT32( tmp32, 16 - Qnrg ); - - if( psEnc->sCmn.warping_Q16 > 0 ) { - /* Adjust gain for warping */ - gain_mult_Q16 = warped_gain( AR2_Q24, warping_Q16, psEnc->sCmn.shapingLPCOrder ); - silk_assert( psEncCtrl->Gains_Q16[ k ] >= 0 ); - if ( silk_SMULWW( silk_RSHIFT_ROUND( psEncCtrl->Gains_Q16[ k ], 1 ), gain_mult_Q16 ) >= ( silk_int32_MAX >> 1 ) ) { - psEncCtrl->Gains_Q16[ k ] = silk_int32_MAX; - } else { - psEncCtrl->Gains_Q16[ k ] = silk_SMULWW( psEncCtrl->Gains_Q16[ k ], gain_mult_Q16 ); - } - } - - /* Bandwidth expansion for synthesis filter shaping */ - silk_bwexpander_32( AR2_Q24, psEnc->sCmn.shapingLPCOrder, BWExp2_Q16 ); - - /* Compute noise shaping filter coefficients */ - silk_memcpy( AR1_Q24, AR2_Q24, psEnc->sCmn.shapingLPCOrder * sizeof( opus_int32 ) ); - - /* Bandwidth expansion for analysis filter shaping */ - silk_assert( BWExp1_Q16 <= SILK_FIX_CONST( 1.0, 16 ) ); - silk_bwexpander_32( AR1_Q24, psEnc->sCmn.shapingLPCOrder, BWExp1_Q16 ); - - /* Ratio of prediction gains, in energy domain */ - pre_nrg_Q30 = silk_LPC_inverse_pred_gain_Q24( AR2_Q24, psEnc->sCmn.shapingLPCOrder ); - nrg = silk_LPC_inverse_pred_gain_Q24( AR1_Q24, psEnc->sCmn.shapingLPCOrder ); - - /*psEncCtrl->GainsPre[ k ] = 1.0f - 0.7f * ( 1.0f - pre_nrg / nrg ) = 0.3f + 0.7f * pre_nrg / nrg;*/ - pre_nrg_Q30 = silk_LSHIFT32( silk_SMULWB( pre_nrg_Q30, SILK_FIX_CONST( 0.7, 15 ) ), 1 ); - psEncCtrl->GainsPre_Q14[ k ] = ( opus_int ) SILK_FIX_CONST( 0.3, 14 ) + silk_DIV32_varQ( pre_nrg_Q30, nrg, 14 ); - - /* Convert to monic warped prediction coefficients and limit absolute values */ - limit_warped_coefs( AR2_Q24, AR1_Q24, warping_Q16, SILK_FIX_CONST( 3.999, 24 ), psEnc->sCmn.shapingLPCOrder ); - - /* Convert from Q24 to Q13 and store in int16 */ - for( i = 0; i < psEnc->sCmn.shapingLPCOrder; i++ ) { - psEncCtrl->AR1_Q13[ k * MAX_SHAPE_LPC_ORDER + i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( AR1_Q24[ i ], 11 ) ); - psEncCtrl->AR2_Q13[ k * MAX_SHAPE_LPC_ORDER + i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( AR2_Q24[ i ], 11 ) ); - } - } - - /*****************/ - /* Gain tweaking */ - /*****************/ - /* Increase gains during low speech activity and put lower limit on gains */ - gain_mult_Q16 = silk_log2lin( -silk_SMLAWB( -SILK_FIX_CONST( 16.0, 7 ), SNR_adj_dB_Q7, SILK_FIX_CONST( 0.16, 16 ) ) ); - gain_add_Q16 = silk_log2lin( silk_SMLAWB( SILK_FIX_CONST( 16.0, 7 ), SILK_FIX_CONST( MIN_QGAIN_DB, 7 ), SILK_FIX_CONST( 0.16, 16 ) ) ); - silk_assert( gain_mult_Q16 > 0 ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->Gains_Q16[ k ] = silk_SMULWW( psEncCtrl->Gains_Q16[ k ], gain_mult_Q16 ); - silk_assert( psEncCtrl->Gains_Q16[ k ] >= 0 ); - psEncCtrl->Gains_Q16[ k ] = silk_ADD_POS_SAT32( psEncCtrl->Gains_Q16[ k ], gain_add_Q16 ); - } - - gain_mult_Q16 = SILK_FIX_CONST( 1.0, 16 ) + silk_RSHIFT_ROUND( silk_MLA( SILK_FIX_CONST( INPUT_TILT, 26 ), - psEncCtrl->coding_quality_Q14, SILK_FIX_CONST( HIGH_RATE_INPUT_TILT, 12 ) ), 10 ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->GainsPre_Q14[ k ] = silk_SMULWB( gain_mult_Q16, psEncCtrl->GainsPre_Q14[ k ] ); - } - - /************************************************/ - /* Control low-frequency shaping and noise tilt */ - /************************************************/ - /* Less low frequency shaping for noisy inputs */ - strength_Q16 = silk_MUL( SILK_FIX_CONST( LOW_FREQ_SHAPING, 4 ), silk_SMLAWB( SILK_FIX_CONST( 1.0, 12 ), - SILK_FIX_CONST( LOW_QUALITY_LOW_FREQ_SHAPING_DECR, 13 ), psEnc->sCmn.input_quality_bands_Q15[ 0 ] - SILK_FIX_CONST( 1.0, 15 ) ) ); - strength_Q16 = silk_RSHIFT( silk_MUL( strength_Q16, psEnc->sCmn.speech_activity_Q8 ), 8 ); - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Reduce low frequencies quantization noise for periodic signals, depending on pitch lag */ - /*f = 400; freqz([1, -0.98 + 2e-4 * f], [1, -0.97 + 7e-4 * f], 2^12, Fs); axis([0, 1000, -10, 1])*/ - opus_int fs_kHz_inv = silk_DIV32_16( SILK_FIX_CONST( 0.2, 14 ), psEnc->sCmn.fs_kHz ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - b_Q14 = fs_kHz_inv + silk_DIV32_16( SILK_FIX_CONST( 3.0, 14 ), psEncCtrl->pitchL[ k ] ); - /* Pack two coefficients in one int32 */ - psEncCtrl->LF_shp_Q14[ k ] = silk_LSHIFT( SILK_FIX_CONST( 1.0, 14 ) - b_Q14 - silk_SMULWB( strength_Q16, b_Q14 ), 16 ); - psEncCtrl->LF_shp_Q14[ k ] |= (opus_uint16)( b_Q14 - SILK_FIX_CONST( 1.0, 14 ) ); - } - silk_assert( SILK_FIX_CONST( HARM_HP_NOISE_COEF, 24 ) < SILK_FIX_CONST( 0.5, 24 ) ); /* Guarantees that second argument to SMULWB() is within range of an opus_int16*/ - Tilt_Q16 = - SILK_FIX_CONST( HP_NOISE_COEF, 16 ) - - silk_SMULWB( SILK_FIX_CONST( 1.0, 16 ) - SILK_FIX_CONST( HP_NOISE_COEF, 16 ), - silk_SMULWB( SILK_FIX_CONST( HARM_HP_NOISE_COEF, 24 ), psEnc->sCmn.speech_activity_Q8 ) ); - } else { - b_Q14 = silk_DIV32_16( 21299, psEnc->sCmn.fs_kHz ); /* 1.3_Q0 = 21299_Q14*/ - /* Pack two coefficients in one int32 */ - psEncCtrl->LF_shp_Q14[ 0 ] = silk_LSHIFT( SILK_FIX_CONST( 1.0, 14 ) - b_Q14 - - silk_SMULWB( strength_Q16, silk_SMULWB( SILK_FIX_CONST( 0.6, 16 ), b_Q14 ) ), 16 ); - psEncCtrl->LF_shp_Q14[ 0 ] |= (opus_uint16)( b_Q14 - SILK_FIX_CONST( 1.0, 14 ) ); - for( k = 1; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->LF_shp_Q14[ k ] = psEncCtrl->LF_shp_Q14[ 0 ]; - } - Tilt_Q16 = -SILK_FIX_CONST( HP_NOISE_COEF, 16 ); - } - - /****************************/ - /* HARMONIC SHAPING CONTROL */ - /****************************/ - /* Control boosting of harmonic frequencies */ - HarmBoost_Q16 = silk_SMULWB( silk_SMULWB( SILK_FIX_CONST( 1.0, 17 ) - silk_LSHIFT( psEncCtrl->coding_quality_Q14, 3 ), - psEnc->LTPCorr_Q15 ), SILK_FIX_CONST( LOW_RATE_HARMONIC_BOOST, 16 ) ); - - /* More harmonic boost for noisy input signals */ - HarmBoost_Q16 = silk_SMLAWB( HarmBoost_Q16, - SILK_FIX_CONST( 1.0, 16 ) - silk_LSHIFT( psEncCtrl->input_quality_Q14, 2 ), SILK_FIX_CONST( LOW_INPUT_QUALITY_HARMONIC_BOOST, 16 ) ); - - if( USE_HARM_SHAPING && psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* More harmonic noise shaping for high bitrates or noisy input */ - HarmShapeGain_Q16 = silk_SMLAWB( SILK_FIX_CONST( HARMONIC_SHAPING, 16 ), - SILK_FIX_CONST( 1.0, 16 ) - silk_SMULWB( SILK_FIX_CONST( 1.0, 18 ) - silk_LSHIFT( psEncCtrl->coding_quality_Q14, 4 ), - psEncCtrl->input_quality_Q14 ), SILK_FIX_CONST( HIGH_RATE_OR_LOW_QUALITY_HARMONIC_SHAPING, 16 ) ); - - /* Less harmonic noise shaping for less periodic signals */ - HarmShapeGain_Q16 = silk_SMULWB( silk_LSHIFT( HarmShapeGain_Q16, 1 ), - silk_SQRT_APPROX( silk_LSHIFT( psEnc->LTPCorr_Q15, 15 ) ) ); - } else { - HarmShapeGain_Q16 = 0; - } - - /*************************/ - /* Smooth over subframes */ - /*************************/ - for( k = 0; k < MAX_NB_SUBFR; k++ ) { - psShapeSt->HarmBoost_smth_Q16 = - silk_SMLAWB( psShapeSt->HarmBoost_smth_Q16, HarmBoost_Q16 - psShapeSt->HarmBoost_smth_Q16, SILK_FIX_CONST( SUBFR_SMTH_COEF, 16 ) ); - psShapeSt->HarmShapeGain_smth_Q16 = - silk_SMLAWB( psShapeSt->HarmShapeGain_smth_Q16, HarmShapeGain_Q16 - psShapeSt->HarmShapeGain_smth_Q16, SILK_FIX_CONST( SUBFR_SMTH_COEF, 16 ) ); - psShapeSt->Tilt_smth_Q16 = - silk_SMLAWB( psShapeSt->Tilt_smth_Q16, Tilt_Q16 - psShapeSt->Tilt_smth_Q16, SILK_FIX_CONST( SUBFR_SMTH_COEF, 16 ) ); - - psEncCtrl->HarmBoost_Q14[ k ] = ( opus_int )silk_RSHIFT_ROUND( psShapeSt->HarmBoost_smth_Q16, 2 ); - psEncCtrl->HarmShapeGain_Q14[ k ] = ( opus_int )silk_RSHIFT_ROUND( psShapeSt->HarmShapeGain_smth_Q16, 2 ); - psEncCtrl->Tilt_Q14[ k ] = ( opus_int )silk_RSHIFT_ROUND( psShapeSt->Tilt_smth_Q16, 2 ); - } - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/fixed/pitch_analysis_core_FIX.c b/src/opus-1.1/silk/fixed/pitch_analysis_core_FIX.c deleted file mode 100644 index 1641a0fb..00000000 --- a/src/opus-1.1/silk/fixed/pitch_analysis_core_FIX.c +++ /dev/null @@ -1,744 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/*********************************************************** -* Pitch analyser function -********************************************************** */ -#include "SigProc_FIX.h" -#include "pitch_est_defines.h" -#include "stack_alloc.h" -#include "debug.h" -#include "pitch.h" - -#define SCRATCH_SIZE 22 -#define SF_LENGTH_4KHZ ( PE_SUBFR_LENGTH_MS * 4 ) -#define SF_LENGTH_8KHZ ( PE_SUBFR_LENGTH_MS * 8 ) -#define MIN_LAG_4KHZ ( PE_MIN_LAG_MS * 4 ) -#define MIN_LAG_8KHZ ( PE_MIN_LAG_MS * 8 ) -#define MAX_LAG_4KHZ ( PE_MAX_LAG_MS * 4 ) -#define MAX_LAG_8KHZ ( PE_MAX_LAG_MS * 8 - 1 ) -#define CSTRIDE_4KHZ ( MAX_LAG_4KHZ + 1 - MIN_LAG_4KHZ ) -#define CSTRIDE_8KHZ ( MAX_LAG_8KHZ + 3 - ( MIN_LAG_8KHZ - 2 ) ) -#define D_COMP_MIN ( MIN_LAG_8KHZ - 3 ) -#define D_COMP_MAX ( MAX_LAG_8KHZ + 4 ) -#define D_COMP_STRIDE ( D_COMP_MAX - D_COMP_MIN ) - -typedef opus_int32 silk_pe_stage3_vals[ PE_NB_STAGE3_LAGS ]; - -/************************************************************/ -/* Internally used functions */ -/************************************************************/ -static void silk_P_Ana_calc_corr_st3( - silk_pe_stage3_vals cross_corr_st3[], /* O 3 DIM correlation array */ - const opus_int16 frame[], /* I vector to correlate */ - opus_int start_lag, /* I lag offset to search around */ - opus_int sf_length, /* I length of a 5 ms subframe */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity, /* I Complexity setting */ - int arch /* I Run-time architecture */ -); - -static void silk_P_Ana_calc_energy_st3( - silk_pe_stage3_vals energies_st3[], /* O 3 DIM energy array */ - const opus_int16 frame[], /* I vector to calc energy in */ - opus_int start_lag, /* I lag offset to search around */ - opus_int sf_length, /* I length of one 5 ms subframe */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity /* I Complexity setting */ -); - -/*************************************************************/ -/* FIXED POINT CORE PITCH ANALYSIS FUNCTION */ -/*************************************************************/ -opus_int silk_pitch_analysis_core( /* O Voicing estimate: 0 voiced, 1 unvoiced */ - const opus_int16 *frame, /* I Signal of length PE_FRAME_LENGTH_MS*Fs_kHz */ - opus_int *pitch_out, /* O 4 pitch lag values */ - opus_int16 *lagIndex, /* O Lag Index */ - opus_int8 *contourIndex, /* O Pitch contour Index */ - opus_int *LTPCorr_Q15, /* I/O Normalized correlation; input: value from previous frame */ - opus_int prevLag, /* I Last lag of previous frame; set to zero is unvoiced */ - const opus_int32 search_thres1_Q16, /* I First stage threshold for lag candidates 0 - 1 */ - const opus_int search_thres2_Q13, /* I Final threshold for lag candidates 0 - 1 */ - const opus_int Fs_kHz, /* I Sample frequency (kHz) */ - const opus_int complexity, /* I Complexity setting, 0-2, where 2 is highest */ - const opus_int nb_subfr, /* I number of 5 ms subframes */ - int arch /* I Run-time architecture */ -) -{ - VARDECL( opus_int16, frame_8kHz ); - VARDECL( opus_int16, frame_4kHz ); - opus_int32 filt_state[ 6 ]; - const opus_int16 *input_frame_ptr; - opus_int i, k, d, j; - VARDECL( opus_int16, C ); - VARDECL( opus_int32, xcorr32 ); - const opus_int16 *target_ptr, *basis_ptr; - opus_int32 cross_corr, normalizer, energy, shift, energy_basis, energy_target; - opus_int d_srch[ PE_D_SRCH_LENGTH ], Cmax, length_d_srch, length_d_comp; - VARDECL( opus_int16, d_comp ); - opus_int32 sum, threshold, lag_counter; - opus_int CBimax, CBimax_new, CBimax_old, lag, start_lag, end_lag, lag_new; - opus_int32 CC[ PE_NB_CBKS_STAGE2_EXT ], CCmax, CCmax_b, CCmax_new_b, CCmax_new; - VARDECL( silk_pe_stage3_vals, energies_st3 ); - VARDECL( silk_pe_stage3_vals, cross_corr_st3 ); - opus_int frame_length, frame_length_8kHz, frame_length_4kHz; - opus_int sf_length; - opus_int min_lag; - opus_int max_lag; - opus_int32 contour_bias_Q15, diff; - opus_int nb_cbk_search, cbk_size; - opus_int32 delta_lag_log2_sqr_Q7, lag_log2_Q7, prevLag_log2_Q7, prev_lag_bias_Q13; - const opus_int8 *Lag_CB_ptr; - SAVE_STACK; - /* Check for valid sampling frequency */ - silk_assert( Fs_kHz == 8 || Fs_kHz == 12 || Fs_kHz == 16 ); - - /* Check for valid complexity setting */ - silk_assert( complexity >= SILK_PE_MIN_COMPLEX ); - silk_assert( complexity <= SILK_PE_MAX_COMPLEX ); - - silk_assert( search_thres1_Q16 >= 0 && search_thres1_Q16 <= (1<<16) ); - silk_assert( search_thres2_Q13 >= 0 && search_thres2_Q13 <= (1<<13) ); - - /* Set up frame lengths max / min lag for the sampling frequency */ - frame_length = ( PE_LTP_MEM_LENGTH_MS + nb_subfr * PE_SUBFR_LENGTH_MS ) * Fs_kHz; - frame_length_4kHz = ( PE_LTP_MEM_LENGTH_MS + nb_subfr * PE_SUBFR_LENGTH_MS ) * 4; - frame_length_8kHz = ( PE_LTP_MEM_LENGTH_MS + nb_subfr * PE_SUBFR_LENGTH_MS ) * 8; - sf_length = PE_SUBFR_LENGTH_MS * Fs_kHz; - min_lag = PE_MIN_LAG_MS * Fs_kHz; - max_lag = PE_MAX_LAG_MS * Fs_kHz - 1; - - /* Resample from input sampled at Fs_kHz to 8 kHz */ - ALLOC( frame_8kHz, frame_length_8kHz, opus_int16 ); - if( Fs_kHz == 16 ) { - silk_memset( filt_state, 0, 2 * sizeof( opus_int32 ) ); - silk_resampler_down2( filt_state, frame_8kHz, frame, frame_length ); - } else if( Fs_kHz == 12 ) { - silk_memset( filt_state, 0, 6 * sizeof( opus_int32 ) ); - silk_resampler_down2_3( filt_state, frame_8kHz, frame, frame_length ); - } else { - silk_assert( Fs_kHz == 8 ); - silk_memcpy( frame_8kHz, frame, frame_length_8kHz * sizeof(opus_int16) ); - } - - /* Decimate again to 4 kHz */ - silk_memset( filt_state, 0, 2 * sizeof( opus_int32 ) );/* Set state to zero */ - ALLOC( frame_4kHz, frame_length_4kHz, opus_int16 ); - silk_resampler_down2( filt_state, frame_4kHz, frame_8kHz, frame_length_8kHz ); - - /* Low-pass filter */ - for( i = frame_length_4kHz - 1; i > 0; i-- ) { - frame_4kHz[ i ] = silk_ADD_SAT16( frame_4kHz[ i ], frame_4kHz[ i - 1 ] ); - } - - /******************************************************************************* - ** Scale 4 kHz signal down to prevent correlations measures from overflowing - ** find scaling as max scaling for each 8kHz(?) subframe - *******************************************************************************/ - - /* Inner product is calculated with different lengths, so scale for the worst case */ - silk_sum_sqr_shift( &energy, &shift, frame_4kHz, frame_length_4kHz ); - if( shift > 0 ) { - shift = silk_RSHIFT( shift, 1 ); - for( i = 0; i < frame_length_4kHz; i++ ) { - frame_4kHz[ i ] = silk_RSHIFT( frame_4kHz[ i ], shift ); - } - } - - /****************************************************************************** - * FIRST STAGE, operating in 4 khz - ******************************************************************************/ - ALLOC( C, nb_subfr * CSTRIDE_8KHZ, opus_int16 ); - ALLOC( xcorr32, MAX_LAG_4KHZ-MIN_LAG_4KHZ+1, opus_int32 ); - silk_memset( C, 0, (nb_subfr >> 1) * CSTRIDE_4KHZ * sizeof( opus_int16 ) ); - target_ptr = &frame_4kHz[ silk_LSHIFT( SF_LENGTH_4KHZ, 2 ) ]; - for( k = 0; k < nb_subfr >> 1; k++ ) { - /* Check that we are within range of the array */ - silk_assert( target_ptr >= frame_4kHz ); - silk_assert( target_ptr + SF_LENGTH_8KHZ <= frame_4kHz + frame_length_4kHz ); - - basis_ptr = target_ptr - MIN_LAG_4KHZ; - - /* Check that we are within range of the array */ - silk_assert( basis_ptr >= frame_4kHz ); - silk_assert( basis_ptr + SF_LENGTH_8KHZ <= frame_4kHz + frame_length_4kHz ); - - celt_pitch_xcorr( target_ptr, target_ptr - MAX_LAG_4KHZ, xcorr32, SF_LENGTH_8KHZ, MAX_LAG_4KHZ - MIN_LAG_4KHZ + 1, arch ); - - /* Calculate first vector products before loop */ - cross_corr = xcorr32[ MAX_LAG_4KHZ - MIN_LAG_4KHZ ]; - normalizer = silk_inner_prod_aligned( target_ptr, target_ptr, SF_LENGTH_8KHZ ); - normalizer = silk_ADD32( normalizer, silk_inner_prod_aligned( basis_ptr, basis_ptr, SF_LENGTH_8KHZ ) ); - normalizer = silk_ADD32( normalizer, silk_SMULBB( SF_LENGTH_8KHZ, 4000 ) ); - - matrix_ptr( C, k, 0, CSTRIDE_4KHZ ) = - (opus_int16)silk_DIV32_varQ( cross_corr, normalizer, 13 + 1 ); /* Q13 */ - - /* From now on normalizer is computed recursively */ - for( d = MIN_LAG_4KHZ + 1; d <= MAX_LAG_4KHZ; d++ ) { - basis_ptr--; - - /* Check that we are within range of the array */ - silk_assert( basis_ptr >= frame_4kHz ); - silk_assert( basis_ptr + SF_LENGTH_8KHZ <= frame_4kHz + frame_length_4kHz ); - - cross_corr = xcorr32[ MAX_LAG_4KHZ - d ]; - - /* Add contribution of new sample and remove contribution from oldest sample */ - normalizer = silk_ADD32( normalizer, - silk_SMULBB( basis_ptr[ 0 ], basis_ptr[ 0 ] ) - - silk_SMULBB( basis_ptr[ SF_LENGTH_8KHZ ], basis_ptr[ SF_LENGTH_8KHZ ] ) ); - - matrix_ptr( C, k, d - MIN_LAG_4KHZ, CSTRIDE_4KHZ) = - (opus_int16)silk_DIV32_varQ( cross_corr, normalizer, 13 + 1 ); /* Q13 */ - } - /* Update target pointer */ - target_ptr += SF_LENGTH_8KHZ; - } - - /* Combine two subframes into single correlation measure and apply short-lag bias */ - if( nb_subfr == PE_MAX_NB_SUBFR ) { - for( i = MAX_LAG_4KHZ; i >= MIN_LAG_4KHZ; i-- ) { - sum = (opus_int32)matrix_ptr( C, 0, i - MIN_LAG_4KHZ, CSTRIDE_4KHZ ) - + (opus_int32)matrix_ptr( C, 1, i - MIN_LAG_4KHZ, CSTRIDE_4KHZ ); /* Q14 */ - sum = silk_SMLAWB( sum, sum, silk_LSHIFT( -i, 4 ) ); /* Q14 */ - C[ i - MIN_LAG_4KHZ ] = (opus_int16)sum; /* Q14 */ - } - } else { - /* Only short-lag bias */ - for( i = MAX_LAG_4KHZ; i >= MIN_LAG_4KHZ; i-- ) { - sum = silk_LSHIFT( (opus_int32)C[ i - MIN_LAG_4KHZ ], 1 ); /* Q14 */ - sum = silk_SMLAWB( sum, sum, silk_LSHIFT( -i, 4 ) ); /* Q14 */ - C[ i - MIN_LAG_4KHZ ] = (opus_int16)sum; /* Q14 */ - } - } - - /* Sort */ - length_d_srch = silk_ADD_LSHIFT32( 4, complexity, 1 ); - silk_assert( 3 * length_d_srch <= PE_D_SRCH_LENGTH ); - silk_insertion_sort_decreasing_int16( C, d_srch, CSTRIDE_4KHZ, - length_d_srch ); - - /* Escape if correlation is very low already here */ - Cmax = (opus_int)C[ 0 ]; /* Q14 */ - if( Cmax < SILK_FIX_CONST( 0.2, 14 ) ) { - silk_memset( pitch_out, 0, nb_subfr * sizeof( opus_int ) ); - *LTPCorr_Q15 = 0; - *lagIndex = 0; - *contourIndex = 0; - RESTORE_STACK; - return 1; - } - - threshold = silk_SMULWB( search_thres1_Q16, Cmax ); - for( i = 0; i < length_d_srch; i++ ) { - /* Convert to 8 kHz indices for the sorted correlation that exceeds the threshold */ - if( C[ i ] > threshold ) { - d_srch[ i ] = silk_LSHIFT( d_srch[ i ] + MIN_LAG_4KHZ, 1 ); - } else { - length_d_srch = i; - break; - } - } - silk_assert( length_d_srch > 0 ); - - ALLOC( d_comp, D_COMP_STRIDE, opus_int16 ); - for( i = D_COMP_MIN; i < D_COMP_MAX; i++ ) { - d_comp[ i - D_COMP_MIN ] = 0; - } - for( i = 0; i < length_d_srch; i++ ) { - d_comp[ d_srch[ i ] - D_COMP_MIN ] = 1; - } - - /* Convolution */ - for( i = D_COMP_MAX - 1; i >= MIN_LAG_8KHZ; i-- ) { - d_comp[ i - D_COMP_MIN ] += - d_comp[ i - 1 - D_COMP_MIN ] + d_comp[ i - 2 - D_COMP_MIN ]; - } - - length_d_srch = 0; - for( i = MIN_LAG_8KHZ; i < MAX_LAG_8KHZ + 1; i++ ) { - if( d_comp[ i + 1 - D_COMP_MIN ] > 0 ) { - d_srch[ length_d_srch ] = i; - length_d_srch++; - } - } - - /* Convolution */ - for( i = D_COMP_MAX - 1; i >= MIN_LAG_8KHZ; i-- ) { - d_comp[ i - D_COMP_MIN ] += d_comp[ i - 1 - D_COMP_MIN ] - + d_comp[ i - 2 - D_COMP_MIN ] + d_comp[ i - 3 - D_COMP_MIN ]; - } - - length_d_comp = 0; - for( i = MIN_LAG_8KHZ; i < D_COMP_MAX; i++ ) { - if( d_comp[ i - D_COMP_MIN ] > 0 ) { - d_comp[ length_d_comp ] = i - 2; - length_d_comp++; - } - } - - /********************************************************************************** - ** SECOND STAGE, operating at 8 kHz, on lag sections with high correlation - *************************************************************************************/ - - /****************************************************************************** - ** Scale signal down to avoid correlations measures from overflowing - *******************************************************************************/ - /* find scaling as max scaling for each subframe */ - silk_sum_sqr_shift( &energy, &shift, frame_8kHz, frame_length_8kHz ); - if( shift > 0 ) { - shift = silk_RSHIFT( shift, 1 ); - for( i = 0; i < frame_length_8kHz; i++ ) { - frame_8kHz[ i ] = silk_RSHIFT( frame_8kHz[ i ], shift ); - } - } - - /********************************************************************************* - * Find energy of each subframe projected onto its history, for a range of delays - *********************************************************************************/ - silk_memset( C, 0, nb_subfr * CSTRIDE_8KHZ * sizeof( opus_int16 ) ); - - target_ptr = &frame_8kHz[ PE_LTP_MEM_LENGTH_MS * 8 ]; - for( k = 0; k < nb_subfr; k++ ) { - - /* Check that we are within range of the array */ - silk_assert( target_ptr >= frame_8kHz ); - silk_assert( target_ptr + SF_LENGTH_8KHZ <= frame_8kHz + frame_length_8kHz ); - - energy_target = silk_ADD32( silk_inner_prod_aligned( target_ptr, target_ptr, SF_LENGTH_8KHZ ), 1 ); - for( j = 0; j < length_d_comp; j++ ) { - d = d_comp[ j ]; - basis_ptr = target_ptr - d; - - /* Check that we are within range of the array */ - silk_assert( basis_ptr >= frame_8kHz ); - silk_assert( basis_ptr + SF_LENGTH_8KHZ <= frame_8kHz + frame_length_8kHz ); - - cross_corr = silk_inner_prod_aligned( target_ptr, basis_ptr, SF_LENGTH_8KHZ ); - if( cross_corr > 0 ) { - energy_basis = silk_inner_prod_aligned( basis_ptr, basis_ptr, SF_LENGTH_8KHZ ); - matrix_ptr( C, k, d - ( MIN_LAG_8KHZ - 2 ), CSTRIDE_8KHZ ) = - (opus_int16)silk_DIV32_varQ( cross_corr, - silk_ADD32( energy_target, - energy_basis ), - 13 + 1 ); /* Q13 */ - } else { - matrix_ptr( C, k, d - ( MIN_LAG_8KHZ - 2 ), CSTRIDE_8KHZ ) = 0; - } - } - target_ptr += SF_LENGTH_8KHZ; - } - - /* search over lag range and lags codebook */ - /* scale factor for lag codebook, as a function of center lag */ - - CCmax = silk_int32_MIN; - CCmax_b = silk_int32_MIN; - - CBimax = 0; /* To avoid returning undefined lag values */ - lag = -1; /* To check if lag with strong enough correlation has been found */ - - if( prevLag > 0 ) { - if( Fs_kHz == 12 ) { - prevLag = silk_DIV32_16( silk_LSHIFT( prevLag, 1 ), 3 ); - } else if( Fs_kHz == 16 ) { - prevLag = silk_RSHIFT( prevLag, 1 ); - } - prevLag_log2_Q7 = silk_lin2log( (opus_int32)prevLag ); - } else { - prevLag_log2_Q7 = 0; - } - silk_assert( search_thres2_Q13 == silk_SAT16( search_thres2_Q13 ) ); - /* Set up stage 2 codebook based on number of subframes */ - if( nb_subfr == PE_MAX_NB_SUBFR ) { - cbk_size = PE_NB_CBKS_STAGE2_EXT; - Lag_CB_ptr = &silk_CB_lags_stage2[ 0 ][ 0 ]; - if( Fs_kHz == 8 && complexity > SILK_PE_MIN_COMPLEX ) { - /* If input is 8 khz use a larger codebook here because it is last stage */ - nb_cbk_search = PE_NB_CBKS_STAGE2_EXT; - } else { - nb_cbk_search = PE_NB_CBKS_STAGE2; - } - } else { - cbk_size = PE_NB_CBKS_STAGE2_10MS; - Lag_CB_ptr = &silk_CB_lags_stage2_10_ms[ 0 ][ 0 ]; - nb_cbk_search = PE_NB_CBKS_STAGE2_10MS; - } - - for( k = 0; k < length_d_srch; k++ ) { - d = d_srch[ k ]; - for( j = 0; j < nb_cbk_search; j++ ) { - CC[ j ] = 0; - for( i = 0; i < nb_subfr; i++ ) { - opus_int d_subfr; - /* Try all codebooks */ - d_subfr = d + matrix_ptr( Lag_CB_ptr, i, j, cbk_size ); - CC[ j ] = CC[ j ] - + (opus_int32)matrix_ptr( C, i, - d_subfr - ( MIN_LAG_8KHZ - 2 ), - CSTRIDE_8KHZ ); - } - } - /* Find best codebook */ - CCmax_new = silk_int32_MIN; - CBimax_new = 0; - for( i = 0; i < nb_cbk_search; i++ ) { - if( CC[ i ] > CCmax_new ) { - CCmax_new = CC[ i ]; - CBimax_new = i; - } - } - - /* Bias towards shorter lags */ - lag_log2_Q7 = silk_lin2log( d ); /* Q7 */ - silk_assert( lag_log2_Q7 == silk_SAT16( lag_log2_Q7 ) ); - silk_assert( nb_subfr * SILK_FIX_CONST( PE_SHORTLAG_BIAS, 13 ) == silk_SAT16( nb_subfr * SILK_FIX_CONST( PE_SHORTLAG_BIAS, 13 ) ) ); - CCmax_new_b = CCmax_new - silk_RSHIFT( silk_SMULBB( nb_subfr * SILK_FIX_CONST( PE_SHORTLAG_BIAS, 13 ), lag_log2_Q7 ), 7 ); /* Q13 */ - - /* Bias towards previous lag */ - silk_assert( nb_subfr * SILK_FIX_CONST( PE_PREVLAG_BIAS, 13 ) == silk_SAT16( nb_subfr * SILK_FIX_CONST( PE_PREVLAG_BIAS, 13 ) ) ); - if( prevLag > 0 ) { - delta_lag_log2_sqr_Q7 = lag_log2_Q7 - prevLag_log2_Q7; - silk_assert( delta_lag_log2_sqr_Q7 == silk_SAT16( delta_lag_log2_sqr_Q7 ) ); - delta_lag_log2_sqr_Q7 = silk_RSHIFT( silk_SMULBB( delta_lag_log2_sqr_Q7, delta_lag_log2_sqr_Q7 ), 7 ); - prev_lag_bias_Q13 = silk_RSHIFT( silk_SMULBB( nb_subfr * SILK_FIX_CONST( PE_PREVLAG_BIAS, 13 ), *LTPCorr_Q15 ), 15 ); /* Q13 */ - prev_lag_bias_Q13 = silk_DIV32( silk_MUL( prev_lag_bias_Q13, delta_lag_log2_sqr_Q7 ), delta_lag_log2_sqr_Q7 + SILK_FIX_CONST( 0.5, 7 ) ); - CCmax_new_b -= prev_lag_bias_Q13; /* Q13 */ - } - - if( CCmax_new_b > CCmax_b && /* Find maximum biased correlation */ - CCmax_new > silk_SMULBB( nb_subfr, search_thres2_Q13 ) && /* Correlation needs to be high enough to be voiced */ - silk_CB_lags_stage2[ 0 ][ CBimax_new ] <= MIN_LAG_8KHZ /* Lag must be in range */ - ) { - CCmax_b = CCmax_new_b; - CCmax = CCmax_new; - lag = d; - CBimax = CBimax_new; - } - } - - if( lag == -1 ) { - /* No suitable candidate found */ - silk_memset( pitch_out, 0, nb_subfr * sizeof( opus_int ) ); - *LTPCorr_Q15 = 0; - *lagIndex = 0; - *contourIndex = 0; - RESTORE_STACK; - return 1; - } - - /* Output normalized correlation */ - *LTPCorr_Q15 = (opus_int)silk_LSHIFT( silk_DIV32_16( CCmax, nb_subfr ), 2 ); - silk_assert( *LTPCorr_Q15 >= 0 ); - - if( Fs_kHz > 8 ) { - VARDECL( opus_int16, scratch_mem ); - /***************************************************************************/ - /* Scale input signal down to avoid correlations measures from overflowing */ - /***************************************************************************/ - /* find scaling as max scaling for each subframe */ - silk_sum_sqr_shift( &energy, &shift, frame, frame_length ); - ALLOC( scratch_mem, shift > 0 ? frame_length : ALLOC_NONE, opus_int16 ); - if( shift > 0 ) { - /* Move signal to scratch mem because the input signal should be unchanged */ - shift = silk_RSHIFT( shift, 1 ); - for( i = 0; i < frame_length; i++ ) { - scratch_mem[ i ] = silk_RSHIFT( frame[ i ], shift ); - } - input_frame_ptr = scratch_mem; - } else { - input_frame_ptr = frame; - } - - /* Search in original signal */ - - CBimax_old = CBimax; - /* Compensate for decimation */ - silk_assert( lag == silk_SAT16( lag ) ); - if( Fs_kHz == 12 ) { - lag = silk_RSHIFT( silk_SMULBB( lag, 3 ), 1 ); - } else if( Fs_kHz == 16 ) { - lag = silk_LSHIFT( lag, 1 ); - } else { - lag = silk_SMULBB( lag, 3 ); - } - - lag = silk_LIMIT_int( lag, min_lag, max_lag ); - start_lag = silk_max_int( lag - 2, min_lag ); - end_lag = silk_min_int( lag + 2, max_lag ); - lag_new = lag; /* to avoid undefined lag */ - CBimax = 0; /* to avoid undefined lag */ - - CCmax = silk_int32_MIN; - /* pitch lags according to second stage */ - for( k = 0; k < nb_subfr; k++ ) { - pitch_out[ k ] = lag + 2 * silk_CB_lags_stage2[ k ][ CBimax_old ]; - } - - /* Set up codebook parameters according to complexity setting and frame length */ - if( nb_subfr == PE_MAX_NB_SUBFR ) { - nb_cbk_search = (opus_int)silk_nb_cbk_searchs_stage3[ complexity ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - } else { - nb_cbk_search = PE_NB_CBKS_STAGE3_10MS; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - } - - /* Calculate the correlations and energies needed in stage 3 */ - ALLOC( energies_st3, nb_subfr * nb_cbk_search, silk_pe_stage3_vals ); - ALLOC( cross_corr_st3, nb_subfr * nb_cbk_search, silk_pe_stage3_vals ); - silk_P_Ana_calc_corr_st3( cross_corr_st3, input_frame_ptr, start_lag, sf_length, nb_subfr, complexity, arch ); - silk_P_Ana_calc_energy_st3( energies_st3, input_frame_ptr, start_lag, sf_length, nb_subfr, complexity ); - - lag_counter = 0; - silk_assert( lag == silk_SAT16( lag ) ); - contour_bias_Q15 = silk_DIV32_16( SILK_FIX_CONST( PE_FLATCONTOUR_BIAS, 15 ), lag ); - - target_ptr = &input_frame_ptr[ PE_LTP_MEM_LENGTH_MS * Fs_kHz ]; - energy_target = silk_ADD32( silk_inner_prod_aligned( target_ptr, target_ptr, nb_subfr * sf_length ), 1 ); - for( d = start_lag; d <= end_lag; d++ ) { - for( j = 0; j < nb_cbk_search; j++ ) { - cross_corr = 0; - energy = energy_target; - for( k = 0; k < nb_subfr; k++ ) { - cross_corr = silk_ADD32( cross_corr, - matrix_ptr( cross_corr_st3, k, j, - nb_cbk_search )[ lag_counter ] ); - energy = silk_ADD32( energy, - matrix_ptr( energies_st3, k, j, - nb_cbk_search )[ lag_counter ] ); - silk_assert( energy >= 0 ); - } - if( cross_corr > 0 ) { - CCmax_new = silk_DIV32_varQ( cross_corr, energy, 13 + 1 ); /* Q13 */ - /* Reduce depending on flatness of contour */ - diff = silk_int16_MAX - silk_MUL( contour_bias_Q15, j ); /* Q15 */ - silk_assert( diff == silk_SAT16( diff ) ); - CCmax_new = silk_SMULWB( CCmax_new, diff ); /* Q14 */ - } else { - CCmax_new = 0; - } - - if( CCmax_new > CCmax && ( d + silk_CB_lags_stage3[ 0 ][ j ] ) <= max_lag ) { - CCmax = CCmax_new; - lag_new = d; - CBimax = j; - } - } - lag_counter++; - } - - for( k = 0; k < nb_subfr; k++ ) { - pitch_out[ k ] = lag_new + matrix_ptr( Lag_CB_ptr, k, CBimax, cbk_size ); - pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag, PE_MAX_LAG_MS * Fs_kHz ); - } - *lagIndex = (opus_int16)( lag_new - min_lag); - *contourIndex = (opus_int8)CBimax; - } else { /* Fs_kHz == 8 */ - /* Save Lags */ - for( k = 0; k < nb_subfr; k++ ) { - pitch_out[ k ] = lag + matrix_ptr( Lag_CB_ptr, k, CBimax, cbk_size ); - pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], MIN_LAG_8KHZ, PE_MAX_LAG_MS * 8 ); - } - *lagIndex = (opus_int16)( lag - MIN_LAG_8KHZ ); - *contourIndex = (opus_int8)CBimax; - } - silk_assert( *lagIndex >= 0 ); - /* return as voiced */ - RESTORE_STACK; - return 0; -} - -/*********************************************************************** - * Calculates the correlations used in stage 3 search. In order to cover - * the whole lag codebook for all the searched offset lags (lag +- 2), - * the following correlations are needed in each sub frame: - * - * sf1: lag range [-8,...,7] total 16 correlations - * sf2: lag range [-4,...,4] total 9 correlations - * sf3: lag range [-3,....4] total 8 correltions - * sf4: lag range [-6,....8] total 15 correlations - * - * In total 48 correlations. The direct implementation computed in worst - * case 4*12*5 = 240 correlations, but more likely around 120. - ***********************************************************************/ -static void silk_P_Ana_calc_corr_st3( - silk_pe_stage3_vals cross_corr_st3[], /* O 3 DIM correlation array */ - const opus_int16 frame[], /* I vector to correlate */ - opus_int start_lag, /* I lag offset to search around */ - opus_int sf_length, /* I length of a 5 ms subframe */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity, /* I Complexity setting */ - int arch /* I Run-time architecture */ -) -{ - const opus_int16 *target_ptr; - opus_int i, j, k, lag_counter, lag_low, lag_high; - opus_int nb_cbk_search, delta, idx, cbk_size; - VARDECL( opus_int32, scratch_mem ); - VARDECL( opus_int32, xcorr32 ); - const opus_int8 *Lag_range_ptr, *Lag_CB_ptr; - SAVE_STACK; - - silk_assert( complexity >= SILK_PE_MIN_COMPLEX ); - silk_assert( complexity <= SILK_PE_MAX_COMPLEX ); - - if( nb_subfr == PE_MAX_NB_SUBFR ) { - Lag_range_ptr = &silk_Lag_range_stage3[ complexity ][ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - nb_cbk_search = silk_nb_cbk_searchs_stage3[ complexity ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - } else { - silk_assert( nb_subfr == PE_MAX_NB_SUBFR >> 1); - Lag_range_ptr = &silk_Lag_range_stage3_10_ms[ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - nb_cbk_search = PE_NB_CBKS_STAGE3_10MS; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - } - ALLOC( scratch_mem, SCRATCH_SIZE, opus_int32 ); - ALLOC( xcorr32, SCRATCH_SIZE, opus_int32 ); - - target_ptr = &frame[ silk_LSHIFT( sf_length, 2 ) ]; /* Pointer to middle of frame */ - for( k = 0; k < nb_subfr; k++ ) { - lag_counter = 0; - - /* Calculate the correlations for each subframe */ - lag_low = matrix_ptr( Lag_range_ptr, k, 0, 2 ); - lag_high = matrix_ptr( Lag_range_ptr, k, 1, 2 ); - silk_assert(lag_high-lag_low+1 <= SCRATCH_SIZE); - celt_pitch_xcorr( target_ptr, target_ptr - start_lag - lag_high, xcorr32, sf_length, lag_high - lag_low + 1, arch ); - for( j = lag_low; j <= lag_high; j++ ) { - silk_assert( lag_counter < SCRATCH_SIZE ); - scratch_mem[ lag_counter ] = xcorr32[ lag_high - j ]; - lag_counter++; - } - - delta = matrix_ptr( Lag_range_ptr, k, 0, 2 ); - for( i = 0; i < nb_cbk_search; i++ ) { - /* Fill out the 3 dim array that stores the correlations for */ - /* each code_book vector for each start lag */ - idx = matrix_ptr( Lag_CB_ptr, k, i, cbk_size ) - delta; - for( j = 0; j < PE_NB_STAGE3_LAGS; j++ ) { - silk_assert( idx + j < SCRATCH_SIZE ); - silk_assert( idx + j < lag_counter ); - matrix_ptr( cross_corr_st3, k, i, nb_cbk_search )[ j ] = - scratch_mem[ idx + j ]; - } - } - target_ptr += sf_length; - } - RESTORE_STACK; -} - -/********************************************************************/ -/* Calculate the energies for first two subframes. The energies are */ -/* calculated recursively. */ -/********************************************************************/ -static void silk_P_Ana_calc_energy_st3( - silk_pe_stage3_vals energies_st3[], /* O 3 DIM energy array */ - const opus_int16 frame[], /* I vector to calc energy in */ - opus_int start_lag, /* I lag offset to search around */ - opus_int sf_length, /* I length of one 5 ms subframe */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity /* I Complexity setting */ -) -{ - const opus_int16 *target_ptr, *basis_ptr; - opus_int32 energy; - opus_int k, i, j, lag_counter; - opus_int nb_cbk_search, delta, idx, cbk_size, lag_diff; - VARDECL( opus_int32, scratch_mem ); - const opus_int8 *Lag_range_ptr, *Lag_CB_ptr; - SAVE_STACK; - - silk_assert( complexity >= SILK_PE_MIN_COMPLEX ); - silk_assert( complexity <= SILK_PE_MAX_COMPLEX ); - - if( nb_subfr == PE_MAX_NB_SUBFR ) { - Lag_range_ptr = &silk_Lag_range_stage3[ complexity ][ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - nb_cbk_search = silk_nb_cbk_searchs_stage3[ complexity ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - } else { - silk_assert( nb_subfr == PE_MAX_NB_SUBFR >> 1); - Lag_range_ptr = &silk_Lag_range_stage3_10_ms[ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - nb_cbk_search = PE_NB_CBKS_STAGE3_10MS; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - } - ALLOC( scratch_mem, SCRATCH_SIZE, opus_int32 ); - - target_ptr = &frame[ silk_LSHIFT( sf_length, 2 ) ]; - for( k = 0; k < nb_subfr; k++ ) { - lag_counter = 0; - - /* Calculate the energy for first lag */ - basis_ptr = target_ptr - ( start_lag + matrix_ptr( Lag_range_ptr, k, 0, 2 ) ); - energy = silk_inner_prod_aligned( basis_ptr, basis_ptr, sf_length ); - silk_assert( energy >= 0 ); - scratch_mem[ lag_counter ] = energy; - lag_counter++; - - lag_diff = ( matrix_ptr( Lag_range_ptr, k, 1, 2 ) - matrix_ptr( Lag_range_ptr, k, 0, 2 ) + 1 ); - for( i = 1; i < lag_diff; i++ ) { - /* remove part outside new window */ - energy -= silk_SMULBB( basis_ptr[ sf_length - i ], basis_ptr[ sf_length - i ] ); - silk_assert( energy >= 0 ); - - /* add part that comes into window */ - energy = silk_ADD_SAT32( energy, silk_SMULBB( basis_ptr[ -i ], basis_ptr[ -i ] ) ); - silk_assert( energy >= 0 ); - silk_assert( lag_counter < SCRATCH_SIZE ); - scratch_mem[ lag_counter ] = energy; - lag_counter++; - } - - delta = matrix_ptr( Lag_range_ptr, k, 0, 2 ); - for( i = 0; i < nb_cbk_search; i++ ) { - /* Fill out the 3 dim array that stores the correlations for */ - /* each code_book vector for each start lag */ - idx = matrix_ptr( Lag_CB_ptr, k, i, cbk_size ) - delta; - for( j = 0; j < PE_NB_STAGE3_LAGS; j++ ) { - silk_assert( idx + j < SCRATCH_SIZE ); - silk_assert( idx + j < lag_counter ); - matrix_ptr( energies_st3, k, i, nb_cbk_search )[ j ] = - scratch_mem[ idx + j ]; - silk_assert( - matrix_ptr( energies_st3, k, i, nb_cbk_search )[ j ] >= 0 ); - } - } - target_ptr += sf_length; - } - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/fixed/prefilter_FIX.c b/src/opus-1.1/silk/fixed/prefilter_FIX.c deleted file mode 100644 index d381730c..00000000 --- a/src/opus-1.1/silk/fixed/prefilter_FIX.c +++ /dev/null @@ -1,209 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" -#include "tuning_parameters.h" - -/* Prefilter for finding Quantizer input signal */ -static OPUS_INLINE void silk_prefilt_FIX( - silk_prefilter_state_FIX *P, /* I/O state */ - opus_int32 st_res_Q12[], /* I short term residual signal */ - opus_int32 xw_Q3[], /* O prefiltered signal */ - opus_int32 HarmShapeFIRPacked_Q12, /* I Harmonic shaping coeficients */ - opus_int Tilt_Q14, /* I Tilt shaping coeficient */ - opus_int32 LF_shp_Q14, /* I Low-frequancy shaping coeficients */ - opus_int lag, /* I Lag for harmonic shaping */ - opus_int length /* I Length of signals */ -); - -void silk_warped_LPC_analysis_filter_FIX( - opus_int32 state[], /* I/O State [order + 1] */ - opus_int32 res_Q2[], /* O Residual signal [length] */ - const opus_int16 coef_Q13[], /* I Coefficients [order] */ - const opus_int16 input[], /* I Input signal [length] */ - const opus_int16 lambda_Q16, /* I Warping factor */ - const opus_int length, /* I Length of input signal */ - const opus_int order /* I Filter order (even) */ -) -{ - opus_int n, i; - opus_int32 acc_Q11, tmp1, tmp2; - - /* Order must be even */ - silk_assert( ( order & 1 ) == 0 ); - - for( n = 0; n < length; n++ ) { - /* Output of lowpass section */ - tmp2 = silk_SMLAWB( state[ 0 ], state[ 1 ], lambda_Q16 ); - state[ 0 ] = silk_LSHIFT( input[ n ], 14 ); - /* Output of allpass section */ - tmp1 = silk_SMLAWB( state[ 1 ], state[ 2 ] - tmp2, lambda_Q16 ); - state[ 1 ] = tmp2; - acc_Q11 = silk_RSHIFT( order, 1 ); - acc_Q11 = silk_SMLAWB( acc_Q11, tmp2, coef_Q13[ 0 ] ); - /* Loop over allpass sections */ - for( i = 2; i < order; i += 2 ) { - /* Output of allpass section */ - tmp2 = silk_SMLAWB( state[ i ], state[ i + 1 ] - tmp1, lambda_Q16 ); - state[ i ] = tmp1; - acc_Q11 = silk_SMLAWB( acc_Q11, tmp1, coef_Q13[ i - 1 ] ); - /* Output of allpass section */ - tmp1 = silk_SMLAWB( state[ i + 1 ], state[ i + 2 ] - tmp2, lambda_Q16 ); - state[ i + 1 ] = tmp2; - acc_Q11 = silk_SMLAWB( acc_Q11, tmp2, coef_Q13[ i ] ); - } - state[ order ] = tmp1; - acc_Q11 = silk_SMLAWB( acc_Q11, tmp1, coef_Q13[ order - 1 ] ); - res_Q2[ n ] = silk_LSHIFT( (opus_int32)input[ n ], 2 ) - silk_RSHIFT_ROUND( acc_Q11, 9 ); - } -} - -void silk_prefilter_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Encoder state */ - const silk_encoder_control_FIX *psEncCtrl, /* I Encoder control */ - opus_int32 xw_Q3[], /* O Weighted signal */ - const opus_int16 x[] /* I Speech signal */ -) -{ - silk_prefilter_state_FIX *P = &psEnc->sPrefilt; - opus_int j, k, lag; - opus_int32 tmp_32; - const opus_int16 *AR1_shp_Q13; - const opus_int16 *px; - opus_int32 *pxw_Q3; - opus_int HarmShapeGain_Q12, Tilt_Q14; - opus_int32 HarmShapeFIRPacked_Q12, LF_shp_Q14; - VARDECL( opus_int32, x_filt_Q12 ); - VARDECL( opus_int32, st_res_Q2 ); - opus_int16 B_Q10[ 2 ]; - SAVE_STACK; - - /* Set up pointers */ - px = x; - pxw_Q3 = xw_Q3; - lag = P->lagPrev; - ALLOC( x_filt_Q12, psEnc->sCmn.subfr_length, opus_int32 ); - ALLOC( st_res_Q2, psEnc->sCmn.subfr_length, opus_int32 ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - /* Update Variables that change per sub frame */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - lag = psEncCtrl->pitchL[ k ]; - } - - /* Noise shape parameters */ - HarmShapeGain_Q12 = silk_SMULWB( (opus_int32)psEncCtrl->HarmShapeGain_Q14[ k ], 16384 - psEncCtrl->HarmBoost_Q14[ k ] ); - silk_assert( HarmShapeGain_Q12 >= 0 ); - HarmShapeFIRPacked_Q12 = silk_RSHIFT( HarmShapeGain_Q12, 2 ); - HarmShapeFIRPacked_Q12 |= silk_LSHIFT( (opus_int32)silk_RSHIFT( HarmShapeGain_Q12, 1 ), 16 ); - Tilt_Q14 = psEncCtrl->Tilt_Q14[ k ]; - LF_shp_Q14 = psEncCtrl->LF_shp_Q14[ k ]; - AR1_shp_Q13 = &psEncCtrl->AR1_Q13[ k * MAX_SHAPE_LPC_ORDER ]; - - /* Short term FIR filtering*/ - silk_warped_LPC_analysis_filter_FIX( P->sAR_shp, st_res_Q2, AR1_shp_Q13, px, - psEnc->sCmn.warping_Q16, psEnc->sCmn.subfr_length, psEnc->sCmn.shapingLPCOrder ); - - /* Reduce (mainly) low frequencies during harmonic emphasis */ - B_Q10[ 0 ] = silk_RSHIFT_ROUND( psEncCtrl->GainsPre_Q14[ k ], 4 ); - tmp_32 = silk_SMLABB( SILK_FIX_CONST( INPUT_TILT, 26 ), psEncCtrl->HarmBoost_Q14[ k ], HarmShapeGain_Q12 ); /* Q26 */ - tmp_32 = silk_SMLABB( tmp_32, psEncCtrl->coding_quality_Q14, SILK_FIX_CONST( HIGH_RATE_INPUT_TILT, 12 ) ); /* Q26 */ - tmp_32 = silk_SMULWB( tmp_32, -psEncCtrl->GainsPre_Q14[ k ] ); /* Q24 */ - tmp_32 = silk_RSHIFT_ROUND( tmp_32, 14 ); /* Q10 */ - B_Q10[ 1 ]= silk_SAT16( tmp_32 ); - x_filt_Q12[ 0 ] = silk_MLA( silk_MUL( st_res_Q2[ 0 ], B_Q10[ 0 ] ), P->sHarmHP_Q2, B_Q10[ 1 ] ); - for( j = 1; j < psEnc->sCmn.subfr_length; j++ ) { - x_filt_Q12[ j ] = silk_MLA( silk_MUL( st_res_Q2[ j ], B_Q10[ 0 ] ), st_res_Q2[ j - 1 ], B_Q10[ 1 ] ); - } - P->sHarmHP_Q2 = st_res_Q2[ psEnc->sCmn.subfr_length - 1 ]; - - silk_prefilt_FIX( P, x_filt_Q12, pxw_Q3, HarmShapeFIRPacked_Q12, Tilt_Q14, LF_shp_Q14, lag, psEnc->sCmn.subfr_length ); - - px += psEnc->sCmn.subfr_length; - pxw_Q3 += psEnc->sCmn.subfr_length; - } - - P->lagPrev = psEncCtrl->pitchL[ psEnc->sCmn.nb_subfr - 1 ]; - RESTORE_STACK; -} - -/* Prefilter for finding Quantizer input signal */ -static OPUS_INLINE void silk_prefilt_FIX( - silk_prefilter_state_FIX *P, /* I/O state */ - opus_int32 st_res_Q12[], /* I short term residual signal */ - opus_int32 xw_Q3[], /* O prefiltered signal */ - opus_int32 HarmShapeFIRPacked_Q12, /* I Harmonic shaping coeficients */ - opus_int Tilt_Q14, /* I Tilt shaping coeficient */ - opus_int32 LF_shp_Q14, /* I Low-frequancy shaping coeficients */ - opus_int lag, /* I Lag for harmonic shaping */ - opus_int length /* I Length of signals */ -) -{ - opus_int i, idx, LTP_shp_buf_idx; - opus_int32 n_LTP_Q12, n_Tilt_Q10, n_LF_Q10; - opus_int32 sLF_MA_shp_Q12, sLF_AR_shp_Q12; - opus_int16 *LTP_shp_buf; - - /* To speed up use temp variables instead of using the struct */ - LTP_shp_buf = P->sLTP_shp; - LTP_shp_buf_idx = P->sLTP_shp_buf_idx; - sLF_AR_shp_Q12 = P->sLF_AR_shp_Q12; - sLF_MA_shp_Q12 = P->sLF_MA_shp_Q12; - - for( i = 0; i < length; i++ ) { - if( lag > 0 ) { - /* unrolled loop */ - silk_assert( HARM_SHAPE_FIR_TAPS == 3 ); - idx = lag + LTP_shp_buf_idx; - n_LTP_Q12 = silk_SMULBB( LTP_shp_buf[ ( idx - HARM_SHAPE_FIR_TAPS / 2 - 1) & LTP_MASK ], HarmShapeFIRPacked_Q12 ); - n_LTP_Q12 = silk_SMLABT( n_LTP_Q12, LTP_shp_buf[ ( idx - HARM_SHAPE_FIR_TAPS / 2 ) & LTP_MASK ], HarmShapeFIRPacked_Q12 ); - n_LTP_Q12 = silk_SMLABB( n_LTP_Q12, LTP_shp_buf[ ( idx - HARM_SHAPE_FIR_TAPS / 2 + 1) & LTP_MASK ], HarmShapeFIRPacked_Q12 ); - } else { - n_LTP_Q12 = 0; - } - - n_Tilt_Q10 = silk_SMULWB( sLF_AR_shp_Q12, Tilt_Q14 ); - n_LF_Q10 = silk_SMLAWB( silk_SMULWT( sLF_AR_shp_Q12, LF_shp_Q14 ), sLF_MA_shp_Q12, LF_shp_Q14 ); - - sLF_AR_shp_Q12 = silk_SUB32( st_res_Q12[ i ], silk_LSHIFT( n_Tilt_Q10, 2 ) ); - sLF_MA_shp_Q12 = silk_SUB32( sLF_AR_shp_Q12, silk_LSHIFT( n_LF_Q10, 2 ) ); - - LTP_shp_buf_idx = ( LTP_shp_buf_idx - 1 ) & LTP_MASK; - LTP_shp_buf[ LTP_shp_buf_idx ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( sLF_MA_shp_Q12, 12 ) ); - - xw_Q3[i] = silk_RSHIFT_ROUND( silk_SUB32( sLF_MA_shp_Q12, n_LTP_Q12 ), 9 ); - } - - /* Copy temp variable back to state */ - P->sLF_AR_shp_Q12 = sLF_AR_shp_Q12; - P->sLF_MA_shp_Q12 = sLF_MA_shp_Q12; - P->sLTP_shp_buf_idx = LTP_shp_buf_idx; -} diff --git a/src/opus-1.1/silk/fixed/process_gains_FIX.c b/src/opus-1.1/silk/fixed/process_gains_FIX.c deleted file mode 100644 index 05aba317..00000000 --- a/src/opus-1.1/silk/fixed/process_gains_FIX.c +++ /dev/null @@ -1,117 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "tuning_parameters.h" - -/* Processing of gains */ -void silk_process_gains_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Encoder state */ - silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - silk_shape_state_FIX *psShapeSt = &psEnc->sShape; - opus_int k; - opus_int32 s_Q16, InvMaxSqrVal_Q16, gain, gain_squared, ResNrg, ResNrgPart, quant_offset_Q10; - - /* Gain reduction when LTP coding gain is high */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /*s = -0.5f * silk_sigmoid( 0.25f * ( psEncCtrl->LTPredCodGain - 12.0f ) ); */ - s_Q16 = -silk_sigm_Q15( silk_RSHIFT_ROUND( psEncCtrl->LTPredCodGain_Q7 - SILK_FIX_CONST( 12.0, 7 ), 4 ) ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->Gains_Q16[ k ] = silk_SMLAWB( psEncCtrl->Gains_Q16[ k ], psEncCtrl->Gains_Q16[ k ], s_Q16 ); - } - } - - /* Limit the quantized signal */ - /* InvMaxSqrVal = pow( 2.0f, 0.33f * ( 21.0f - SNR_dB ) ) / subfr_length; */ - InvMaxSqrVal_Q16 = silk_DIV32_16( silk_log2lin( - silk_SMULWB( SILK_FIX_CONST( 21 + 16 / 0.33, 7 ) - psEnc->sCmn.SNR_dB_Q7, SILK_FIX_CONST( 0.33, 16 ) ) ), psEnc->sCmn.subfr_length ); - - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - /* Soft limit on ratio residual energy and squared gains */ - ResNrg = psEncCtrl->ResNrg[ k ]; - ResNrgPart = silk_SMULWW( ResNrg, InvMaxSqrVal_Q16 ); - if( psEncCtrl->ResNrgQ[ k ] > 0 ) { - ResNrgPart = silk_RSHIFT_ROUND( ResNrgPart, psEncCtrl->ResNrgQ[ k ] ); - } else { - if( ResNrgPart >= silk_RSHIFT( silk_int32_MAX, -psEncCtrl->ResNrgQ[ k ] ) ) { - ResNrgPart = silk_int32_MAX; - } else { - ResNrgPart = silk_LSHIFT( ResNrgPart, -psEncCtrl->ResNrgQ[ k ] ); - } - } - gain = psEncCtrl->Gains_Q16[ k ]; - gain_squared = silk_ADD_SAT32( ResNrgPart, silk_SMMUL( gain, gain ) ); - if( gain_squared < silk_int16_MAX ) { - /* recalculate with higher precision */ - gain_squared = silk_SMLAWW( silk_LSHIFT( ResNrgPart, 16 ), gain, gain ); - silk_assert( gain_squared > 0 ); - gain = silk_SQRT_APPROX( gain_squared ); /* Q8 */ - gain = silk_min( gain, silk_int32_MAX >> 8 ); - psEncCtrl->Gains_Q16[ k ] = silk_LSHIFT_SAT32( gain, 8 ); /* Q16 */ - } else { - gain = silk_SQRT_APPROX( gain_squared ); /* Q0 */ - gain = silk_min( gain, silk_int32_MAX >> 16 ); - psEncCtrl->Gains_Q16[ k ] = silk_LSHIFT_SAT32( gain, 16 ); /* Q16 */ - } - } - - /* Save unquantized gains and gain Index */ - silk_memcpy( psEncCtrl->GainsUnq_Q16, psEncCtrl->Gains_Q16, psEnc->sCmn.nb_subfr * sizeof( opus_int32 ) ); - psEncCtrl->lastGainIndexPrev = psShapeSt->LastGainIndex; - - /* Quantize gains */ - silk_gains_quant( psEnc->sCmn.indices.GainsIndices, psEncCtrl->Gains_Q16, - &psShapeSt->LastGainIndex, condCoding == CODE_CONDITIONALLY, psEnc->sCmn.nb_subfr ); - - /* Set quantizer offset for voiced signals. Larger offset when LTP coding gain is low or tilt is high (ie low-pass) */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - if( psEncCtrl->LTPredCodGain_Q7 + silk_RSHIFT( psEnc->sCmn.input_tilt_Q15, 8 ) > SILK_FIX_CONST( 1.0, 7 ) ) { - psEnc->sCmn.indices.quantOffsetType = 0; - } else { - psEnc->sCmn.indices.quantOffsetType = 1; - } - } - - /* Quantizer boundary adjustment */ - quant_offset_Q10 = silk_Quantization_Offsets_Q10[ psEnc->sCmn.indices.signalType >> 1 ][ psEnc->sCmn.indices.quantOffsetType ]; - psEncCtrl->Lambda_Q10 = SILK_FIX_CONST( LAMBDA_OFFSET, 10 ) - + silk_SMULBB( SILK_FIX_CONST( LAMBDA_DELAYED_DECISIONS, 10 ), psEnc->sCmn.nStatesDelayedDecision ) - + silk_SMULWB( SILK_FIX_CONST( LAMBDA_SPEECH_ACT, 18 ), psEnc->sCmn.speech_activity_Q8 ) - + silk_SMULWB( SILK_FIX_CONST( LAMBDA_INPUT_QUALITY, 12 ), psEncCtrl->input_quality_Q14 ) - + silk_SMULWB( SILK_FIX_CONST( LAMBDA_CODING_QUALITY, 12 ), psEncCtrl->coding_quality_Q14 ) - + silk_SMULWB( SILK_FIX_CONST( LAMBDA_QUANT_OFFSET, 16 ), quant_offset_Q10 ); - - silk_assert( psEncCtrl->Lambda_Q10 > 0 ); - silk_assert( psEncCtrl->Lambda_Q10 < SILK_FIX_CONST( 2, 10 ) ); -} diff --git a/src/opus-1.1/silk/fixed/regularize_correlations_FIX.c b/src/opus-1.1/silk/fixed/regularize_correlations_FIX.c deleted file mode 100644 index a2836b05..00000000 --- a/src/opus-1.1/silk/fixed/regularize_correlations_FIX.c +++ /dev/null @@ -1,47 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" - -/* Add noise to matrix diagonal */ -void silk_regularize_correlations_FIX( - opus_int32 *XX, /* I/O Correlation matrices */ - opus_int32 *xx, /* I/O Correlation values */ - opus_int32 noise, /* I Noise to add */ - opus_int D /* I Dimension of XX */ -) -{ - opus_int i; - for( i = 0; i < D; i++ ) { - matrix_ptr( &XX[ 0 ], i, i, D ) = silk_ADD32( matrix_ptr( &XX[ 0 ], i, i, D ), noise ); - } - xx[ 0 ] += noise; -} diff --git a/src/opus-1.1/silk/fixed/residual_energy16_FIX.c b/src/opus-1.1/silk/fixed/residual_energy16_FIX.c deleted file mode 100644 index ebffb2a6..00000000 --- a/src/opus-1.1/silk/fixed/residual_energy16_FIX.c +++ /dev/null @@ -1,103 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" - -/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */ -opus_int32 silk_residual_energy16_covar_FIX( - const opus_int16 *c, /* I Prediction vector */ - const opus_int32 *wXX, /* I Correlation matrix */ - const opus_int32 *wXx, /* I Correlation vector */ - opus_int32 wxx, /* I Signal energy */ - opus_int D, /* I Dimension */ - opus_int cQ /* I Q value for c vector 0 - 15 */ -) -{ - opus_int i, j, lshifts, Qxtra; - opus_int32 c_max, w_max, tmp, tmp2, nrg; - opus_int cn[ MAX_MATRIX_SIZE ]; - const opus_int32 *pRow; - - /* Safety checks */ - silk_assert( D >= 0 ); - silk_assert( D <= 16 ); - silk_assert( cQ > 0 ); - silk_assert( cQ < 16 ); - - lshifts = 16 - cQ; - Qxtra = lshifts; - - c_max = 0; - for( i = 0; i < D; i++ ) { - c_max = silk_max_32( c_max, silk_abs( (opus_int32)c[ i ] ) ); - } - Qxtra = silk_min_int( Qxtra, silk_CLZ32( c_max ) - 17 ); - - w_max = silk_max_32( wXX[ 0 ], wXX[ D * D - 1 ] ); - Qxtra = silk_min_int( Qxtra, silk_CLZ32( silk_MUL( D, silk_RSHIFT( silk_SMULWB( w_max, c_max ), 4 ) ) ) - 5 ); - Qxtra = silk_max_int( Qxtra, 0 ); - for( i = 0; i < D; i++ ) { - cn[ i ] = silk_LSHIFT( ( opus_int )c[ i ], Qxtra ); - silk_assert( silk_abs(cn[i]) <= ( silk_int16_MAX + 1 ) ); /* Check that silk_SMLAWB can be used */ - } - lshifts -= Qxtra; - - /* Compute wxx - 2 * wXx * c */ - tmp = 0; - for( i = 0; i < D; i++ ) { - tmp = silk_SMLAWB( tmp, wXx[ i ], cn[ i ] ); - } - nrg = silk_RSHIFT( wxx, 1 + lshifts ) - tmp; /* Q: -lshifts - 1 */ - - /* Add c' * wXX * c, assuming wXX is symmetric */ - tmp2 = 0; - for( i = 0; i < D; i++ ) { - tmp = 0; - pRow = &wXX[ i * D ]; - for( j = i + 1; j < D; j++ ) { - tmp = silk_SMLAWB( tmp, pRow[ j ], cn[ j ] ); - } - tmp = silk_SMLAWB( tmp, silk_RSHIFT( pRow[ i ], 1 ), cn[ i ] ); - tmp2 = silk_SMLAWB( tmp2, tmp, cn[ i ] ); - } - nrg = silk_ADD_LSHIFT32( nrg, tmp2, lshifts ); /* Q: -lshifts - 1 */ - - /* Keep one bit free always, because we add them for LSF interpolation */ - if( nrg < 1 ) { - nrg = 1; - } else if( nrg > silk_RSHIFT( silk_int32_MAX, lshifts + 2 ) ) { - nrg = silk_int32_MAX >> 1; - } else { - nrg = silk_LSHIFT( nrg, lshifts + 1 ); /* Q0 */ - } - return nrg; - -} diff --git a/src/opus-1.1/silk/fixed/residual_energy_FIX.c b/src/opus-1.1/silk/fixed/residual_energy_FIX.c deleted file mode 100644 index 105ae318..00000000 --- a/src/opus-1.1/silk/fixed/residual_energy_FIX.c +++ /dev/null @@ -1,97 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" - -/* Calculates residual energies of input subframes where all subframes have LPC_order */ -/* of preceding samples */ -void silk_residual_energy_FIX( - opus_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ - opus_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */ - const opus_int16 x[], /* I Input signal */ - opus_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ - const opus_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I Number of subframes */ - const opus_int LPC_order /* I LPC order */ -) -{ - opus_int offset, i, j, rshift, lz1, lz2; - opus_int16 *LPC_res_ptr; - VARDECL( opus_int16, LPC_res ); - const opus_int16 *x_ptr; - opus_int32 tmp32; - SAVE_STACK; - - x_ptr = x; - offset = LPC_order + subfr_length; - - /* Filter input to create the LPC residual for each frame half, and measure subframe energies */ - ALLOC( LPC_res, ( MAX_NB_SUBFR >> 1 ) * offset, opus_int16 ); - silk_assert( ( nb_subfr >> 1 ) * ( MAX_NB_SUBFR >> 1 ) == nb_subfr ); - for( i = 0; i < nb_subfr >> 1; i++ ) { - /* Calculate half frame LPC residual signal including preceding samples */ - silk_LPC_analysis_filter( LPC_res, x_ptr, a_Q12[ i ], ( MAX_NB_SUBFR >> 1 ) * offset, LPC_order ); - - /* Point to first subframe of the just calculated LPC residual signal */ - LPC_res_ptr = LPC_res + LPC_order; - for( j = 0; j < ( MAX_NB_SUBFR >> 1 ); j++ ) { - /* Measure subframe energy */ - silk_sum_sqr_shift( &nrgs[ i * ( MAX_NB_SUBFR >> 1 ) + j ], &rshift, LPC_res_ptr, subfr_length ); - - /* Set Q values for the measured energy */ - nrgsQ[ i * ( MAX_NB_SUBFR >> 1 ) + j ] = -rshift; - - /* Move to next subframe */ - LPC_res_ptr += offset; - } - /* Move to next frame half */ - x_ptr += ( MAX_NB_SUBFR >> 1 ) * offset; - } - - /* Apply the squared subframe gains */ - for( i = 0; i < nb_subfr; i++ ) { - /* Fully upscale gains and energies */ - lz1 = silk_CLZ32( nrgs[ i ] ) - 1; - lz2 = silk_CLZ32( gains[ i ] ) - 1; - - tmp32 = silk_LSHIFT32( gains[ i ], lz2 ); - - /* Find squared gains */ - tmp32 = silk_SMMUL( tmp32, tmp32 ); /* Q( 2 * lz2 - 32 )*/ - - /* Scale energies */ - nrgs[ i ] = silk_SMMUL( tmp32, silk_LSHIFT32( nrgs[ i ], lz1 ) ); /* Q( nrgsQ[ i ] + lz1 + 2 * lz2 - 32 - 32 )*/ - nrgsQ[ i ] += lz1 + 2 * lz2 - 32 - 32; - } - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/fixed/schur64_FIX.c b/src/opus-1.1/silk/fixed/schur64_FIX.c deleted file mode 100644 index 764a10ef..00000000 --- a/src/opus-1.1/silk/fixed/schur64_FIX.c +++ /dev/null @@ -1,92 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Slower than schur(), but more accurate. */ -/* Uses SMULL(), available on armv4 */ -opus_int32 silk_schur64( /* O returns residual energy */ - opus_int32 rc_Q16[], /* O Reflection coefficients [order] Q16 */ - const opus_int32 c[], /* I Correlations [order+1] */ - opus_int32 order /* I Prediction order */ -) -{ - opus_int k, n; - opus_int32 C[ SILK_MAX_ORDER_LPC + 1 ][ 2 ]; - opus_int32 Ctmp1_Q30, Ctmp2_Q30, rc_tmp_Q31; - - silk_assert( order==6||order==8||order==10||order==12||order==14||order==16 ); - - /* Check for invalid input */ - if( c[ 0 ] <= 0 ) { - silk_memset( rc_Q16, 0, order * sizeof( opus_int32 ) ); - return 0; - } - - for( k = 0; k < order + 1; k++ ) { - C[ k ][ 0 ] = C[ k ][ 1 ] = c[ k ]; - } - - for( k = 0; k < order; k++ ) { - /* Check that we won't be getting an unstable rc, otherwise stop here. */ - if (silk_abs_int32(C[ k + 1 ][ 0 ]) >= C[ 0 ][ 1 ]) { - if ( C[ k + 1 ][ 0 ] > 0 ) { - rc_Q16[ k ] = -SILK_FIX_CONST( .99f, 16 ); - } else { - rc_Q16[ k ] = SILK_FIX_CONST( .99f, 16 ); - } - k++; - break; - } - - /* Get reflection coefficient: divide two Q30 values and get result in Q31 */ - rc_tmp_Q31 = silk_DIV32_varQ( -C[ k + 1 ][ 0 ], C[ 0 ][ 1 ], 31 ); - - /* Save the output */ - rc_Q16[ k ] = silk_RSHIFT_ROUND( rc_tmp_Q31, 15 ); - - /* Update correlations */ - for( n = 0; n < order - k; n++ ) { - Ctmp1_Q30 = C[ n + k + 1 ][ 0 ]; - Ctmp2_Q30 = C[ n ][ 1 ]; - - /* Multiply and add the highest int32 */ - C[ n + k + 1 ][ 0 ] = Ctmp1_Q30 + silk_SMMUL( silk_LSHIFT( Ctmp2_Q30, 1 ), rc_tmp_Q31 ); - C[ n ][ 1 ] = Ctmp2_Q30 + silk_SMMUL( silk_LSHIFT( Ctmp1_Q30, 1 ), rc_tmp_Q31 ); - } - } - - for(; k < order; k++ ) { - rc_Q16[ k ] = 0; - } - - return silk_max_32( 1, C[ 0 ][ 1 ] ); -} diff --git a/src/opus-1.1/silk/fixed/schur_FIX.c b/src/opus-1.1/silk/fixed/schur_FIX.c deleted file mode 100644 index c4c0ef23..00000000 --- a/src/opus-1.1/silk/fixed/schur_FIX.c +++ /dev/null @@ -1,106 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Faster than schur64(), but much less accurate. */ -/* uses SMLAWB(), requiring armv5E and higher. */ -opus_int32 silk_schur( /* O Returns residual energy */ - opus_int16 *rc_Q15, /* O reflection coefficients [order] Q15 */ - const opus_int32 *c, /* I correlations [order+1] */ - const opus_int32 order /* I prediction order */ -) -{ - opus_int k, n, lz; - opus_int32 C[ SILK_MAX_ORDER_LPC + 1 ][ 2 ]; - opus_int32 Ctmp1, Ctmp2, rc_tmp_Q15; - - silk_assert( order==6||order==8||order==10||order==12||order==14||order==16 ); - - /* Get number of leading zeros */ - lz = silk_CLZ32( c[ 0 ] ); - - /* Copy correlations and adjust level to Q30 */ - if( lz < 2 ) { - /* lz must be 1, so shift one to the right */ - for( k = 0; k < order + 1; k++ ) { - C[ k ][ 0 ] = C[ k ][ 1 ] = silk_RSHIFT( c[ k ], 1 ); - } - } else if( lz > 2 ) { - /* Shift to the left */ - lz -= 2; - for( k = 0; k < order + 1; k++ ) { - C[ k ][ 0 ] = C[ k ][ 1 ] = silk_LSHIFT( c[ k ], lz ); - } - } else { - /* No need to shift */ - for( k = 0; k < order + 1; k++ ) { - C[ k ][ 0 ] = C[ k ][ 1 ] = c[ k ]; - } - } - - for( k = 0; k < order; k++ ) { - /* Check that we won't be getting an unstable rc, otherwise stop here. */ - if (silk_abs_int32(C[ k + 1 ][ 0 ]) >= C[ 0 ][ 1 ]) { - if ( C[ k + 1 ][ 0 ] > 0 ) { - rc_Q15[ k ] = -SILK_FIX_CONST( .99f, 15 ); - } else { - rc_Q15[ k ] = SILK_FIX_CONST( .99f, 15 ); - } - k++; - break; - } - - /* Get reflection coefficient */ - rc_tmp_Q15 = -silk_DIV32_16( C[ k + 1 ][ 0 ], silk_max_32( silk_RSHIFT( C[ 0 ][ 1 ], 15 ), 1 ) ); - - /* Clip (shouldn't happen for properly conditioned inputs) */ - rc_tmp_Q15 = silk_SAT16( rc_tmp_Q15 ); - - /* Store */ - rc_Q15[ k ] = (opus_int16)rc_tmp_Q15; - - /* Update correlations */ - for( n = 0; n < order - k; n++ ) { - Ctmp1 = C[ n + k + 1 ][ 0 ]; - Ctmp2 = C[ n ][ 1 ]; - C[ n + k + 1 ][ 0 ] = silk_SMLAWB( Ctmp1, silk_LSHIFT( Ctmp2, 1 ), rc_tmp_Q15 ); - C[ n ][ 1 ] = silk_SMLAWB( Ctmp2, silk_LSHIFT( Ctmp1, 1 ), rc_tmp_Q15 ); - } - } - - for(; k < order; k++ ) { - rc_Q15[ k ] = 0; - } - - /* return residual energy */ - return silk_max_32( 1, C[ 0 ][ 1 ] ); -} diff --git a/src/opus-1.1/silk/fixed/solve_LS_FIX.c b/src/opus-1.1/silk/fixed/solve_LS_FIX.c deleted file mode 100644 index 51d7d49d..00000000 --- a/src/opus-1.1/silk/fixed/solve_LS_FIX.c +++ /dev/null @@ -1,249 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" -#include "stack_alloc.h" -#include "tuning_parameters.h" - -/*****************************/ -/* Internal function headers */ -/*****************************/ - -typedef struct { - opus_int32 Q36_part; - opus_int32 Q48_part; -} inv_D_t; - -/* Factorize square matrix A into LDL form */ -static OPUS_INLINE void silk_LDL_factorize_FIX( - opus_int32 *A, /* I/O Pointer to Symetric Square Matrix */ - opus_int M, /* I Size of Matrix */ - opus_int32 *L_Q16, /* I/O Pointer to Square Upper triangular Matrix */ - inv_D_t *inv_D /* I/O Pointer to vector holding inverted diagonal elements of D */ -); - -/* Solve Lx = b, when L is lower triangular and has ones on the diagonal */ -static OPUS_INLINE void silk_LS_SolveFirst_FIX( - const opus_int32 *L_Q16, /* I Pointer to Lower Triangular Matrix */ - opus_int M, /* I Dim of Matrix equation */ - const opus_int32 *b, /* I b Vector */ - opus_int32 *x_Q16 /* O x Vector */ -); - -/* Solve L^t*x = b, where L is lower triangular with ones on the diagonal */ -static OPUS_INLINE void silk_LS_SolveLast_FIX( - const opus_int32 *L_Q16, /* I Pointer to Lower Triangular Matrix */ - const opus_int M, /* I Dim of Matrix equation */ - const opus_int32 *b, /* I b Vector */ - opus_int32 *x_Q16 /* O x Vector */ -); - -static OPUS_INLINE void silk_LS_divide_Q16_FIX( - opus_int32 T[], /* I/O Numenator vector */ - inv_D_t *inv_D, /* I 1 / D vector */ - opus_int M /* I dimension */ -); - -/* Solves Ax = b, assuming A is symmetric */ -void silk_solve_LDL_FIX( - opus_int32 *A, /* I Pointer to symetric square matrix A */ - opus_int M, /* I Size of matrix */ - const opus_int32 *b, /* I Pointer to b vector */ - opus_int32 *x_Q16 /* O Pointer to x solution vector */ -) -{ - VARDECL( opus_int32, L_Q16 ); - opus_int32 Y[ MAX_MATRIX_SIZE ]; - inv_D_t inv_D[ MAX_MATRIX_SIZE ]; - SAVE_STACK; - - silk_assert( M <= MAX_MATRIX_SIZE ); - ALLOC( L_Q16, M * M, opus_int32 ); - - /*************************************************** - Factorize A by LDL such that A = L*D*L', - where L is lower triangular with ones on diagonal - ****************************************************/ - silk_LDL_factorize_FIX( A, M, L_Q16, inv_D ); - - /**************************************************** - * substitute D*L'*x = Y. ie: - L*D*L'*x = b => L*Y = b <=> Y = inv(L)*b - ******************************************************/ - silk_LS_SolveFirst_FIX( L_Q16, M, b, Y ); - - /**************************************************** - D*L'*x = Y <=> L'*x = inv(D)*Y, because D is - diagonal just multiply with 1/d_i - ****************************************************/ - silk_LS_divide_Q16_FIX( Y, inv_D, M ); - - /**************************************************** - x = inv(L') * inv(D) * Y - *****************************************************/ - silk_LS_SolveLast_FIX( L_Q16, M, Y, x_Q16 ); - RESTORE_STACK; -} - -static OPUS_INLINE void silk_LDL_factorize_FIX( - opus_int32 *A, /* I/O Pointer to Symetric Square Matrix */ - opus_int M, /* I Size of Matrix */ - opus_int32 *L_Q16, /* I/O Pointer to Square Upper triangular Matrix */ - inv_D_t *inv_D /* I/O Pointer to vector holding inverted diagonal elements of D */ -) -{ - opus_int i, j, k, status, loop_count; - const opus_int32 *ptr1, *ptr2; - opus_int32 diag_min_value, tmp_32, err; - opus_int32 v_Q0[ MAX_MATRIX_SIZE ], D_Q0[ MAX_MATRIX_SIZE ]; - opus_int32 one_div_diag_Q36, one_div_diag_Q40, one_div_diag_Q48; - - silk_assert( M <= MAX_MATRIX_SIZE ); - - status = 1; - diag_min_value = silk_max_32( silk_SMMUL( silk_ADD_SAT32( A[ 0 ], A[ silk_SMULBB( M, M ) - 1 ] ), SILK_FIX_CONST( FIND_LTP_COND_FAC, 31 ) ), 1 << 9 ); - for( loop_count = 0; loop_count < M && status == 1; loop_count++ ) { - status = 0; - for( j = 0; j < M; j++ ) { - ptr1 = matrix_adr( L_Q16, j, 0, M ); - tmp_32 = 0; - for( i = 0; i < j; i++ ) { - v_Q0[ i ] = silk_SMULWW( D_Q0[ i ], ptr1[ i ] ); /* Q0 */ - tmp_32 = silk_SMLAWW( tmp_32, v_Q0[ i ], ptr1[ i ] ); /* Q0 */ - } - tmp_32 = silk_SUB32( matrix_ptr( A, j, j, M ), tmp_32 ); - - if( tmp_32 < diag_min_value ) { - tmp_32 = silk_SUB32( silk_SMULBB( loop_count + 1, diag_min_value ), tmp_32 ); - /* Matrix not positive semi-definite, or ill conditioned */ - for( i = 0; i < M; i++ ) { - matrix_ptr( A, i, i, M ) = silk_ADD32( matrix_ptr( A, i, i, M ), tmp_32 ); - } - status = 1; - break; - } - D_Q0[ j ] = tmp_32; /* always < max(Correlation) */ - - /* two-step division */ - one_div_diag_Q36 = silk_INVERSE32_varQ( tmp_32, 36 ); /* Q36 */ - one_div_diag_Q40 = silk_LSHIFT( one_div_diag_Q36, 4 ); /* Q40 */ - err = silk_SUB32( (opus_int32)1 << 24, silk_SMULWW( tmp_32, one_div_diag_Q40 ) ); /* Q24 */ - one_div_diag_Q48 = silk_SMULWW( err, one_div_diag_Q40 ); /* Q48 */ - - /* Save 1/Ds */ - inv_D[ j ].Q36_part = one_div_diag_Q36; - inv_D[ j ].Q48_part = one_div_diag_Q48; - - matrix_ptr( L_Q16, j, j, M ) = 65536; /* 1.0 in Q16 */ - ptr1 = matrix_adr( A, j, 0, M ); - ptr2 = matrix_adr( L_Q16, j + 1, 0, M ); - for( i = j + 1; i < M; i++ ) { - tmp_32 = 0; - for( k = 0; k < j; k++ ) { - tmp_32 = silk_SMLAWW( tmp_32, v_Q0[ k ], ptr2[ k ] ); /* Q0 */ - } - tmp_32 = silk_SUB32( ptr1[ i ], tmp_32 ); /* always < max(Correlation) */ - - /* tmp_32 / D_Q0[j] : Divide to Q16 */ - matrix_ptr( L_Q16, i, j, M ) = silk_ADD32( silk_SMMUL( tmp_32, one_div_diag_Q48 ), - silk_RSHIFT( silk_SMULWW( tmp_32, one_div_diag_Q36 ), 4 ) ); - - /* go to next column */ - ptr2 += M; - } - } - } - - silk_assert( status == 0 ); -} - -static OPUS_INLINE void silk_LS_divide_Q16_FIX( - opus_int32 T[], /* I/O Numenator vector */ - inv_D_t *inv_D, /* I 1 / D vector */ - opus_int M /* I dimension */ -) -{ - opus_int i; - opus_int32 tmp_32; - opus_int32 one_div_diag_Q36, one_div_diag_Q48; - - for( i = 0; i < M; i++ ) { - one_div_diag_Q36 = inv_D[ i ].Q36_part; - one_div_diag_Q48 = inv_D[ i ].Q48_part; - - tmp_32 = T[ i ]; - T[ i ] = silk_ADD32( silk_SMMUL( tmp_32, one_div_diag_Q48 ), silk_RSHIFT( silk_SMULWW( tmp_32, one_div_diag_Q36 ), 4 ) ); - } -} - -/* Solve Lx = b, when L is lower triangular and has ones on the diagonal */ -static OPUS_INLINE void silk_LS_SolveFirst_FIX( - const opus_int32 *L_Q16, /* I Pointer to Lower Triangular Matrix */ - opus_int M, /* I Dim of Matrix equation */ - const opus_int32 *b, /* I b Vector */ - opus_int32 *x_Q16 /* O x Vector */ -) -{ - opus_int i, j; - const opus_int32 *ptr32; - opus_int32 tmp_32; - - for( i = 0; i < M; i++ ) { - ptr32 = matrix_adr( L_Q16, i, 0, M ); - tmp_32 = 0; - for( j = 0; j < i; j++ ) { - tmp_32 = silk_SMLAWW( tmp_32, ptr32[ j ], x_Q16[ j ] ); - } - x_Q16[ i ] = silk_SUB32( b[ i ], tmp_32 ); - } -} - -/* Solve L^t*x = b, where L is lower triangular with ones on the diagonal */ -static OPUS_INLINE void silk_LS_SolveLast_FIX( - const opus_int32 *L_Q16, /* I Pointer to Lower Triangular Matrix */ - const opus_int M, /* I Dim of Matrix equation */ - const opus_int32 *b, /* I b Vector */ - opus_int32 *x_Q16 /* O x Vector */ -) -{ - opus_int i, j; - const opus_int32 *ptr32; - opus_int32 tmp_32; - - for( i = M - 1; i >= 0; i-- ) { - ptr32 = matrix_adr( L_Q16, 0, i, M ); - tmp_32 = 0; - for( j = M - 1; j > i; j-- ) { - tmp_32 = silk_SMLAWW( tmp_32, ptr32[ silk_SMULBB( j, M ) ], x_Q16[ j ] ); - } - x_Q16[ i ] = silk_SUB32( b[ i ], tmp_32 ); - } -} diff --git a/src/opus-1.1/silk/fixed/structs_FIX.h b/src/opus-1.1/silk/fixed/structs_FIX.h deleted file mode 100644 index 244b4793..00000000 --- a/src/opus-1.1/silk/fixed/structs_FIX.h +++ /dev/null @@ -1,133 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_STRUCTS_FIX_H -#define SILK_STRUCTS_FIX_H - -#include "typedef.h" -#include "main.h" -#include "structs.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/********************************/ -/* Noise shaping analysis state */ -/********************************/ -typedef struct { - opus_int8 LastGainIndex; - opus_int32 HarmBoost_smth_Q16; - opus_int32 HarmShapeGain_smth_Q16; - opus_int32 Tilt_smth_Q16; -} silk_shape_state_FIX; - -/********************************/ -/* Prefilter state */ -/********************************/ -typedef struct { - opus_int16 sLTP_shp[ LTP_BUF_LENGTH ]; - opus_int32 sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ]; - opus_int sLTP_shp_buf_idx; - opus_int32 sLF_AR_shp_Q12; - opus_int32 sLF_MA_shp_Q12; - opus_int32 sHarmHP_Q2; - opus_int32 rand_seed; - opus_int lagPrev; -} silk_prefilter_state_FIX; - -/********************************/ -/* Encoder state FIX */ -/********************************/ -typedef struct { - silk_encoder_state sCmn; /* Common struct, shared with floating-point code */ - silk_shape_state_FIX sShape; /* Shape state */ - silk_prefilter_state_FIX sPrefilt; /* Prefilter State */ - - /* Buffer for find pitch and noise shape analysis */ - silk_DWORD_ALIGN opus_int16 x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */ - opus_int LTPCorr_Q15; /* Normalized correlation from pitch lag estimator */ -} silk_encoder_state_FIX; - -/************************/ -/* Encoder control FIX */ -/************************/ -typedef struct { - /* Prediction and coding parameters */ - opus_int32 Gains_Q16[ MAX_NB_SUBFR ]; - silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ]; - opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ]; - opus_int LTP_scale_Q14; - opus_int pitchL[ MAX_NB_SUBFR ]; - - /* Noise shaping parameters */ - /* Testing */ - silk_DWORD_ALIGN opus_int16 AR1_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; - silk_DWORD_ALIGN opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; - opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ]; /* Packs two int16 coefficients per int32 value */ - opus_int GainsPre_Q14[ MAX_NB_SUBFR ]; - opus_int HarmBoost_Q14[ MAX_NB_SUBFR ]; - opus_int Tilt_Q14[ MAX_NB_SUBFR ]; - opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ]; - opus_int Lambda_Q10; - opus_int input_quality_Q14; - opus_int coding_quality_Q14; - - /* measures */ - opus_int sparseness_Q8; - opus_int32 predGain_Q16; - opus_int LTPredCodGain_Q7; - opus_int32 ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */ - opus_int ResNrgQ[ MAX_NB_SUBFR ]; /* Q domain for the residual energy > 0 */ - - /* Parameters for CBR mode */ - opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ]; - opus_int8 lastGainIndexPrev; -} silk_encoder_control_FIX; - -/************************/ -/* Encoder Super Struct */ -/************************/ -typedef struct { - silk_encoder_state_FIX state_Fxx[ ENCODER_NUM_CHANNELS ]; - stereo_enc_state sStereo; - opus_int32 nBitsExceeded; - opus_int nChannelsAPI; - opus_int nChannelsInternal; - opus_int nPrevChannelsInternal; - opus_int timeSinceSwitchAllowed_ms; - opus_int allowBandwidthSwitch; - opus_int prev_decode_only_middle; -} silk_encoder; - - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/fixed/vector_ops_FIX.c b/src/opus-1.1/silk/fixed/vector_ops_FIX.c deleted file mode 100644 index 509c8b35..00000000 --- a/src/opus-1.1/silk/fixed/vector_ops_FIX.c +++ /dev/null @@ -1,96 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Copy and multiply a vector by a constant */ -void silk_scale_copy_vector16( - opus_int16 *data_out, - const opus_int16 *data_in, - opus_int32 gain_Q16, /* I Gain in Q16 */ - const opus_int dataSize /* I Length */ -) -{ - opus_int i; - opus_int32 tmp32; - - for( i = 0; i < dataSize; i++ ) { - tmp32 = silk_SMULWB( gain_Q16, data_in[ i ] ); - data_out[ i ] = (opus_int16)silk_CHECK_FIT16( tmp32 ); - } -} - -/* Multiply a vector by a constant */ -void silk_scale_vector32_Q26_lshift_18( - opus_int32 *data1, /* I/O Q0/Q18 */ - opus_int32 gain_Q26, /* I Q26 */ - opus_int dataSize /* I length */ -) -{ - opus_int i; - - for( i = 0; i < dataSize; i++ ) { - data1[ i ] = (opus_int32)silk_CHECK_FIT32( silk_RSHIFT64( silk_SMULL( data1[ i ], gain_Q26 ), 8 ) ); /* OUTPUT: Q18 */ - } -} - -/* sum = for(i=0;i<len;i++)inVec1[i]*inVec2[i]; --- inner product */ -/* Note for ARM asm: */ -/* * inVec1 and inVec2 should be at least 2 byte aligned. */ -/* * len should be positive 16bit integer. */ -/* * only when len>6, memory access can be reduced by half. */ -opus_int32 silk_inner_prod_aligned( - const opus_int16 *const inVec1, /* I input vector 1 */ - const opus_int16 *const inVec2, /* I input vector 2 */ - const opus_int len /* I vector lengths */ -) -{ - opus_int i; - opus_int32 sum = 0; - for( i = 0; i < len; i++ ) { - sum = silk_SMLABB( sum, inVec1[ i ], inVec2[ i ] ); - } - return sum; -} - -opus_int64 silk_inner_prod16_aligned_64( - const opus_int16 *inVec1, /* I input vector 1 */ - const opus_int16 *inVec2, /* I input vector 2 */ - const opus_int len /* I vector lengths */ -) -{ - opus_int i; - opus_int64 sum = 0; - for( i = 0; i < len; i++ ) { - sum = silk_SMLALBB( sum, inVec1[ i ], inVec2[ i ] ); - } - return sum; -} diff --git a/src/opus-1.1/silk/fixed/warped_autocorrelation_FIX.c b/src/opus-1.1/silk/fixed/warped_autocorrelation_FIX.c deleted file mode 100644 index a4a579b1..00000000 --- a/src/opus-1.1/silk/fixed/warped_autocorrelation_FIX.c +++ /dev/null @@ -1,88 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FIX.h" - -#define QC 10 -#define QS 14 - -/* Autocorrelations for a warped frequency axis */ -void silk_warped_autocorrelation_FIX( - opus_int32 *corr, /* O Result [order + 1] */ - opus_int *scale, /* O Scaling of the correlation vector */ - const opus_int16 *input, /* I Input data to correlate */ - const opus_int warping_Q16, /* I Warping coefficient */ - const opus_int length, /* I Length of input */ - const opus_int order /* I Correlation order (even) */ -) -{ - opus_int n, i, lsh; - opus_int32 tmp1_QS, tmp2_QS; - opus_int32 state_QS[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0 }; - opus_int64 corr_QC[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0 }; - - /* Order must be even */ - silk_assert( ( order & 1 ) == 0 ); - silk_assert( 2 * QS - QC >= 0 ); - - /* Loop over samples */ - for( n = 0; n < length; n++ ) { - tmp1_QS = silk_LSHIFT32( (opus_int32)input[ n ], QS ); - /* Loop over allpass sections */ - for( i = 0; i < order; i += 2 ) { - /* Output of allpass section */ - tmp2_QS = silk_SMLAWB( state_QS[ i ], state_QS[ i + 1 ] - tmp1_QS, warping_Q16 ); - state_QS[ i ] = tmp1_QS; - corr_QC[ i ] += silk_RSHIFT64( silk_SMULL( tmp1_QS, state_QS[ 0 ] ), 2 * QS - QC ); - /* Output of allpass section */ - tmp1_QS = silk_SMLAWB( state_QS[ i + 1 ], state_QS[ i + 2 ] - tmp2_QS, warping_Q16 ); - state_QS[ i + 1 ] = tmp2_QS; - corr_QC[ i + 1 ] += silk_RSHIFT64( silk_SMULL( tmp2_QS, state_QS[ 0 ] ), 2 * QS - QC ); - } - state_QS[ order ] = tmp1_QS; - corr_QC[ order ] += silk_RSHIFT64( silk_SMULL( tmp1_QS, state_QS[ 0 ] ), 2 * QS - QC ); - } - - lsh = silk_CLZ64( corr_QC[ 0 ] ) - 35; - lsh = silk_LIMIT( lsh, -12 - QC, 30 - QC ); - *scale = -( QC + lsh ); - silk_assert( *scale >= -30 && *scale <= 12 ); - if( lsh >= 0 ) { - for( i = 0; i < order + 1; i++ ) { - corr[ i ] = (opus_int32)silk_CHECK_FIT32( silk_LSHIFT64( corr_QC[ i ], lsh ) ); - } - } else { - for( i = 0; i < order + 1; i++ ) { - corr[ i ] = (opus_int32)silk_CHECK_FIT32( silk_RSHIFT64( corr_QC[ i ], -lsh ) ); - } - } - silk_assert( corr_QC[ 0 ] >= 0 ); /* If breaking, decrease QC*/ -} diff --git a/src/opus-1.1/silk/float/LPC_analysis_filter_FLP.c b/src/opus-1.1/silk/float/LPC_analysis_filter_FLP.c deleted file mode 100644 index cae89a0a..00000000 --- a/src/opus-1.1/silk/float/LPC_analysis_filter_FLP.c +++ /dev/null @@ -1,249 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include "main_FLP.h" - -/************************************************/ -/* LPC analysis filter */ -/* NB! State is kept internally and the */ -/* filter always starts with zero state */ -/* first Order output samples are set to zero */ -/************************************************/ - -/* 16th order LPC analysis filter, does not write first 16 samples */ -static OPUS_INLINE void silk_LPC_analysis_filter16_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length /* I Length of input signal */ -) -{ - opus_int ix; - silk_float LPC_pred; - const silk_float *s_ptr; - - for( ix = 16; ix < length; ix++ ) { - s_ptr = &s[ix - 1]; - - /* short-term prediction */ - LPC_pred = s_ptr[ 0 ] * PredCoef[ 0 ] + - s_ptr[ -1 ] * PredCoef[ 1 ] + - s_ptr[ -2 ] * PredCoef[ 2 ] + - s_ptr[ -3 ] * PredCoef[ 3 ] + - s_ptr[ -4 ] * PredCoef[ 4 ] + - s_ptr[ -5 ] * PredCoef[ 5 ] + - s_ptr[ -6 ] * PredCoef[ 6 ] + - s_ptr[ -7 ] * PredCoef[ 7 ] + - s_ptr[ -8 ] * PredCoef[ 8 ] + - s_ptr[ -9 ] * PredCoef[ 9 ] + - s_ptr[ -10 ] * PredCoef[ 10 ] + - s_ptr[ -11 ] * PredCoef[ 11 ] + - s_ptr[ -12 ] * PredCoef[ 12 ] + - s_ptr[ -13 ] * PredCoef[ 13 ] + - s_ptr[ -14 ] * PredCoef[ 14 ] + - s_ptr[ -15 ] * PredCoef[ 15 ]; - - /* prediction error */ - r_LPC[ix] = s_ptr[ 1 ] - LPC_pred; - } -} - -/* 12th order LPC analysis filter, does not write first 12 samples */ -static OPUS_INLINE void silk_LPC_analysis_filter12_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length /* I Length of input signal */ -) -{ - opus_int ix; - silk_float LPC_pred; - const silk_float *s_ptr; - - for( ix = 12; ix < length; ix++ ) { - s_ptr = &s[ix - 1]; - - /* short-term prediction */ - LPC_pred = s_ptr[ 0 ] * PredCoef[ 0 ] + - s_ptr[ -1 ] * PredCoef[ 1 ] + - s_ptr[ -2 ] * PredCoef[ 2 ] + - s_ptr[ -3 ] * PredCoef[ 3 ] + - s_ptr[ -4 ] * PredCoef[ 4 ] + - s_ptr[ -5 ] * PredCoef[ 5 ] + - s_ptr[ -6 ] * PredCoef[ 6 ] + - s_ptr[ -7 ] * PredCoef[ 7 ] + - s_ptr[ -8 ] * PredCoef[ 8 ] + - s_ptr[ -9 ] * PredCoef[ 9 ] + - s_ptr[ -10 ] * PredCoef[ 10 ] + - s_ptr[ -11 ] * PredCoef[ 11 ]; - - /* prediction error */ - r_LPC[ix] = s_ptr[ 1 ] - LPC_pred; - } -} - -/* 10th order LPC analysis filter, does not write first 10 samples */ -static OPUS_INLINE void silk_LPC_analysis_filter10_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length /* I Length of input signal */ -) -{ - opus_int ix; - silk_float LPC_pred; - const silk_float *s_ptr; - - for( ix = 10; ix < length; ix++ ) { - s_ptr = &s[ix - 1]; - - /* short-term prediction */ - LPC_pred = s_ptr[ 0 ] * PredCoef[ 0 ] + - s_ptr[ -1 ] * PredCoef[ 1 ] + - s_ptr[ -2 ] * PredCoef[ 2 ] + - s_ptr[ -3 ] * PredCoef[ 3 ] + - s_ptr[ -4 ] * PredCoef[ 4 ] + - s_ptr[ -5 ] * PredCoef[ 5 ] + - s_ptr[ -6 ] * PredCoef[ 6 ] + - s_ptr[ -7 ] * PredCoef[ 7 ] + - s_ptr[ -8 ] * PredCoef[ 8 ] + - s_ptr[ -9 ] * PredCoef[ 9 ]; - - /* prediction error */ - r_LPC[ix] = s_ptr[ 1 ] - LPC_pred; - } -} - -/* 8th order LPC analysis filter, does not write first 8 samples */ -static OPUS_INLINE void silk_LPC_analysis_filter8_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length /* I Length of input signal */ -) -{ - opus_int ix; - silk_float LPC_pred; - const silk_float *s_ptr; - - for( ix = 8; ix < length; ix++ ) { - s_ptr = &s[ix - 1]; - - /* short-term prediction */ - LPC_pred = s_ptr[ 0 ] * PredCoef[ 0 ] + - s_ptr[ -1 ] * PredCoef[ 1 ] + - s_ptr[ -2 ] * PredCoef[ 2 ] + - s_ptr[ -3 ] * PredCoef[ 3 ] + - s_ptr[ -4 ] * PredCoef[ 4 ] + - s_ptr[ -5 ] * PredCoef[ 5 ] + - s_ptr[ -6 ] * PredCoef[ 6 ] + - s_ptr[ -7 ] * PredCoef[ 7 ]; - - /* prediction error */ - r_LPC[ix] = s_ptr[ 1 ] - LPC_pred; - } -} - -/* 6th order LPC analysis filter, does not write first 6 samples */ -static OPUS_INLINE void silk_LPC_analysis_filter6_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length /* I Length of input signal */ -) -{ - opus_int ix; - silk_float LPC_pred; - const silk_float *s_ptr; - - for( ix = 6; ix < length; ix++ ) { - s_ptr = &s[ix - 1]; - - /* short-term prediction */ - LPC_pred = s_ptr[ 0 ] * PredCoef[ 0 ] + - s_ptr[ -1 ] * PredCoef[ 1 ] + - s_ptr[ -2 ] * PredCoef[ 2 ] + - s_ptr[ -3 ] * PredCoef[ 3 ] + - s_ptr[ -4 ] * PredCoef[ 4 ] + - s_ptr[ -5 ] * PredCoef[ 5 ]; - - /* prediction error */ - r_LPC[ix] = s_ptr[ 1 ] - LPC_pred; - } -} - -/************************************************/ -/* LPC analysis filter */ -/* NB! State is kept internally and the */ -/* filter always starts with zero state */ -/* first Order output samples are set to zero */ -/************************************************/ -void silk_LPC_analysis_filter_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length, /* I Length of input signal */ - const opus_int Order /* I LPC order */ -) -{ - silk_assert( Order <= length ); - - switch( Order ) { - case 6: - silk_LPC_analysis_filter6_FLP( r_LPC, PredCoef, s, length ); - break; - - case 8: - silk_LPC_analysis_filter8_FLP( r_LPC, PredCoef, s, length ); - break; - - case 10: - silk_LPC_analysis_filter10_FLP( r_LPC, PredCoef, s, length ); - break; - - case 12: - silk_LPC_analysis_filter12_FLP( r_LPC, PredCoef, s, length ); - break; - - case 16: - silk_LPC_analysis_filter16_FLP( r_LPC, PredCoef, s, length ); - break; - - default: - silk_assert( 0 ); - break; - } - - /* Set first Order output samples to zero */ - silk_memset( r_LPC, 0, Order * sizeof( silk_float ) ); -} - diff --git a/src/opus-1.1/silk/float/LPC_inv_pred_gain_FLP.c b/src/opus-1.1/silk/float/LPC_inv_pred_gain_FLP.c deleted file mode 100644 index 25178bac..00000000 --- a/src/opus-1.1/silk/float/LPC_inv_pred_gain_FLP.c +++ /dev/null @@ -1,76 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "SigProc_FLP.h" - -#define RC_THRESHOLD 0.9999f - -/* compute inverse of LPC prediction gain, and */ -/* test if LPC coefficients are stable (all poles within unit circle) */ -/* this code is based on silk_a2k_FLP() */ -silk_float silk_LPC_inverse_pred_gain_FLP( /* O return inverse prediction gain, energy domain */ - const silk_float *A, /* I prediction coefficients [order] */ - opus_int32 order /* I prediction order */ -) -{ - opus_int k, n; - double invGain, rc, rc_mult1, rc_mult2; - silk_float Atmp[ 2 ][ SILK_MAX_ORDER_LPC ]; - silk_float *Aold, *Anew; - - Anew = Atmp[ order & 1 ]; - silk_memcpy( Anew, A, order * sizeof(silk_float) ); - - invGain = 1.0; - for( k = order - 1; k > 0; k-- ) { - rc = -Anew[ k ]; - if( rc > RC_THRESHOLD || rc < -RC_THRESHOLD ) { - return 0.0f; - } - rc_mult1 = 1.0f - rc * rc; - rc_mult2 = 1.0f / rc_mult1; - invGain *= rc_mult1; - /* swap pointers */ - Aold = Anew; - Anew = Atmp[ k & 1 ]; - for( n = 0; n < k; n++ ) { - Anew[ n ] = (silk_float)( ( Aold[ n ] - Aold[ k - n - 1 ] * rc ) * rc_mult2 ); - } - } - rc = -Anew[ 0 ]; - if( rc > RC_THRESHOLD || rc < -RC_THRESHOLD ) { - return 0.0f; - } - rc_mult1 = 1.0f - rc * rc; - invGain *= rc_mult1; - return (silk_float)invGain; -} diff --git a/src/opus-1.1/silk/float/LTP_analysis_filter_FLP.c b/src/opus-1.1/silk/float/LTP_analysis_filter_FLP.c deleted file mode 100644 index 849b7c1c..00000000 --- a/src/opus-1.1/silk/float/LTP_analysis_filter_FLP.c +++ /dev/null @@ -1,75 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -void silk_LTP_analysis_filter_FLP( - silk_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */ - const silk_float *x, /* I Input signal, with preceding samples */ - const silk_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ - const silk_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */ - const opus_int subfr_length, /* I Length of each subframe */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int pre_length /* I Preceding samples for each subframe */ -) -{ - const silk_float *x_ptr, *x_lag_ptr; - silk_float Btmp[ LTP_ORDER ]; - silk_float *LTP_res_ptr; - silk_float inv_gain; - opus_int k, i, j; - - x_ptr = x; - LTP_res_ptr = LTP_res; - for( k = 0; k < nb_subfr; k++ ) { - x_lag_ptr = x_ptr - pitchL[ k ]; - inv_gain = invGains[ k ]; - for( i = 0; i < LTP_ORDER; i++ ) { - Btmp[ i ] = B[ k * LTP_ORDER + i ]; - } - - /* LTP analysis FIR filter */ - for( i = 0; i < subfr_length + pre_length; i++ ) { - LTP_res_ptr[ i ] = x_ptr[ i ]; - /* Subtract long-term prediction */ - for( j = 0; j < LTP_ORDER; j++ ) { - LTP_res_ptr[ i ] -= Btmp[ j ] * x_lag_ptr[ LTP_ORDER / 2 - j ]; - } - LTP_res_ptr[ i ] *= inv_gain; - x_lag_ptr++; - } - - /* Update pointers */ - LTP_res_ptr += subfr_length + pre_length; - x_ptr += subfr_length; - } -} diff --git a/src/opus-1.1/silk/float/LTP_scale_ctrl_FLP.c b/src/opus-1.1/silk/float/LTP_scale_ctrl_FLP.c deleted file mode 100644 index 8dbe29d0..00000000 --- a/src/opus-1.1/silk/float/LTP_scale_ctrl_FLP.c +++ /dev/null @@ -1,52 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -void silk_LTP_scale_ctrl_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int round_loss; - - if( condCoding == CODE_INDEPENDENTLY ) { - /* Only scale if first frame in packet */ - round_loss = psEnc->sCmn.PacketLoss_perc + psEnc->sCmn.nFramesPerPacket; - psEnc->sCmn.indices.LTP_scaleIndex = (opus_int8)silk_LIMIT( round_loss * psEncCtrl->LTPredCodGain * 0.1f, 0.0f, 2.0f ); - } else { - /* Default is minimum scaling */ - psEnc->sCmn.indices.LTP_scaleIndex = 0; - } - - psEncCtrl->LTP_scale = (silk_float)silk_LTPScales_table_Q14[ psEnc->sCmn.indices.LTP_scaleIndex ] / 16384.0f; -} diff --git a/src/opus-1.1/silk/float/SigProc_FLP.h b/src/opus-1.1/silk/float/SigProc_FLP.h deleted file mode 100644 index f0cb3733..00000000 --- a/src/opus-1.1/silk/float/SigProc_FLP.h +++ /dev/null @@ -1,204 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_SIGPROC_FLP_H -#define SILK_SIGPROC_FLP_H - -#include "SigProc_FIX.h" -#include "float_cast.h" -#include <math.h> - -#ifdef __cplusplus -extern "C" -{ -#endif - -/********************************************************************/ -/* SIGNAL PROCESSING FUNCTIONS */ -/********************************************************************/ - -/* Chirp (bw expand) LP AR filter */ -void silk_bwexpander_FLP( - silk_float *ar, /* I/O AR filter to be expanded (without leading 1) */ - const opus_int d, /* I length of ar */ - const silk_float chirp /* I chirp factor (typically in range (0..1) ) */ -); - -/* compute inverse of LPC prediction gain, and */ -/* test if LPC coefficients are stable (all poles within unit circle) */ -/* this code is based on silk_FLP_a2k() */ -silk_float silk_LPC_inverse_pred_gain_FLP( /* O return inverse prediction gain, energy domain */ - const silk_float *A, /* I prediction coefficients [order] */ - opus_int32 order /* I prediction order */ -); - -silk_float silk_schur_FLP( /* O returns residual energy */ - silk_float refl_coef[], /* O reflection coefficients (length order) */ - const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */ - opus_int order /* I order */ -); - -void silk_k2a_FLP( - silk_float *A, /* O prediction coefficients [order] */ - const silk_float *rc, /* I reflection coefficients [order] */ - opus_int32 order /* I prediction order */ -); - -/* Solve the normal equations using the Levinson-Durbin recursion */ -silk_float silk_levinsondurbin_FLP( /* O prediction error energy */ - silk_float A[], /* O prediction coefficients [order] */ - const silk_float corr[], /* I input auto-correlations [order + 1] */ - const opus_int order /* I prediction order */ -); - -/* compute autocorrelation */ -void silk_autocorrelation_FLP( - silk_float *results, /* O result (length correlationCount) */ - const silk_float *inputData, /* I input data to correlate */ - opus_int inputDataSize, /* I length of input */ - opus_int correlationCount /* I number of correlation taps to compute */ -); - -opus_int silk_pitch_analysis_core_FLP( /* O Voicing estimate: 0 voiced, 1 unvoiced */ - const silk_float *frame, /* I Signal of length PE_FRAME_LENGTH_MS*Fs_kHz */ - opus_int *pitch_out, /* O Pitch lag values [nb_subfr] */ - opus_int16 *lagIndex, /* O Lag Index */ - opus_int8 *contourIndex, /* O Pitch contour Index */ - silk_float *LTPCorr, /* I/O Normalized correlation; input: value from previous frame */ - opus_int prevLag, /* I Last lag of previous frame; set to zero is unvoiced */ - const silk_float search_thres1, /* I First stage threshold for lag candidates 0 - 1 */ - const silk_float search_thres2, /* I Final threshold for lag candidates 0 - 1 */ - const opus_int Fs_kHz, /* I sample frequency (kHz) */ - const opus_int complexity, /* I Complexity setting, 0-2, where 2 is highest */ - const opus_int nb_subfr, /* I Number of 5 ms subframes */ - int arch /* I Run-time architecture */ -); - -void silk_insertion_sort_decreasing_FLP( - silk_float *a, /* I/O Unsorted / Sorted vector */ - opus_int *idx, /* O Index vector for the sorted elements */ - const opus_int L, /* I Vector length */ - const opus_int K /* I Number of correctly sorted positions */ -); - -/* Compute reflection coefficients from input signal */ -silk_float silk_burg_modified_FLP( /* O returns residual energy */ - silk_float A[], /* O prediction coefficients (length order) */ - const silk_float x[], /* I input signal, length: nb_subfr*(D+L_sub) */ - const silk_float minInvGain, /* I minimum inverse prediction gain */ - const opus_int subfr_length, /* I input signal subframe length (incl. D preceding samples) */ - const opus_int nb_subfr, /* I number of subframes stacked in x */ - const opus_int D /* I order */ -); - -/* multiply a vector by a constant */ -void silk_scale_vector_FLP( - silk_float *data1, - silk_float gain, - opus_int dataSize -); - -/* copy and multiply a vector by a constant */ -void silk_scale_copy_vector_FLP( - silk_float *data_out, - const silk_float *data_in, - silk_float gain, - opus_int dataSize -); - -/* inner product of two silk_float arrays, with result as double */ -double silk_inner_product_FLP( - const silk_float *data1, - const silk_float *data2, - opus_int dataSize -); - -/* sum of squares of a silk_float array, with result as double */ -double silk_energy_FLP( - const silk_float *data, - opus_int dataSize -); - -/********************************************************************/ -/* MACROS */ -/********************************************************************/ - -#define PI (3.1415926536f) - -#define silk_min_float( a, b ) (((a) < (b)) ? (a) : (b)) -#define silk_max_float( a, b ) (((a) > (b)) ? (a) : (b)) -#define silk_abs_float( a ) ((silk_float)fabs(a)) - -/* sigmoid function */ -static OPUS_INLINE silk_float silk_sigmoid( silk_float x ) -{ - return (silk_float)(1.0 / (1.0 + exp(-x))); -} - -/* floating-point to integer conversion (rounding) */ -static OPUS_INLINE opus_int32 silk_float2int( silk_float x ) -{ - return (opus_int32)float2int( x ); -} - -/* floating-point to integer conversion (rounding) */ -static OPUS_INLINE void silk_float2short_array( - opus_int16 *out, - const silk_float *in, - opus_int32 length -) -{ - opus_int32 k; - for( k = length - 1; k >= 0; k-- ) { - out[k] = silk_SAT16( (opus_int32)float2int( in[k] ) ); - } -} - -/* integer to floating-point conversion */ -static OPUS_INLINE void silk_short2float_array( - silk_float *out, - const opus_int16 *in, - opus_int32 length -) -{ - opus_int32 k; - for( k = length - 1; k >= 0; k-- ) { - out[k] = (silk_float)in[k]; - } -} - -/* using log2() helps the fixed-point conversion */ -static OPUS_INLINE silk_float silk_log2( double x ) -{ - return ( silk_float )( 3.32192809488736 * log10( x ) ); -} - -#ifdef __cplusplus -} -#endif - -#endif /* SILK_SIGPROC_FLP_H */ diff --git a/src/opus-1.1/silk/float/apply_sine_window_FLP.c b/src/opus-1.1/silk/float/apply_sine_window_FLP.c deleted file mode 100644 index 6aae57c0..00000000 --- a/src/opus-1.1/silk/float/apply_sine_window_FLP.c +++ /dev/null @@ -1,81 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -/* Apply sine window to signal vector */ -/* Window types: */ -/* 1 -> sine window from 0 to pi/2 */ -/* 2 -> sine window from pi/2 to pi */ -void silk_apply_sine_window_FLP( - silk_float px_win[], /* O Pointer to windowed signal */ - const silk_float px[], /* I Pointer to input signal */ - const opus_int win_type, /* I Selects a window type */ - const opus_int length /* I Window length, multiple of 4 */ -) -{ - opus_int k; - silk_float freq, c, S0, S1; - - silk_assert( win_type == 1 || win_type == 2 ); - - /* Length must be multiple of 4 */ - silk_assert( ( length & 3 ) == 0 ); - - freq = PI / ( length + 1 ); - - /* Approximation of 2 * cos(f) */ - c = 2.0f - freq * freq; - - /* Initialize state */ - if( win_type < 2 ) { - /* Start from 0 */ - S0 = 0.0f; - /* Approximation of sin(f) */ - S1 = freq; - } else { - /* Start from 1 */ - S0 = 1.0f; - /* Approximation of cos(f) */ - S1 = 0.5f * c; - } - - /* Uses the recursive equation: sin(n*f) = 2 * cos(f) * sin((n-1)*f) - sin((n-2)*f) */ - /* 4 samples at a time */ - for( k = 0; k < length; k += 4 ) { - px_win[ k + 0 ] = px[ k + 0 ] * 0.5f * ( S0 + S1 ); - px_win[ k + 1 ] = px[ k + 1 ] * S1; - S0 = c * S1 - S0; - px_win[ k + 2 ] = px[ k + 2 ] * 0.5f * ( S1 + S0 ); - px_win[ k + 3 ] = px[ k + 3 ] * S0; - S1 = c * S0 - S1; - } -} diff --git a/src/opus-1.1/silk/float/autocorrelation_FLP.c b/src/opus-1.1/silk/float/autocorrelation_FLP.c deleted file mode 100644 index 8b8a9e65..00000000 --- a/src/opus-1.1/silk/float/autocorrelation_FLP.c +++ /dev/null @@ -1,52 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "typedef.h" -#include "SigProc_FLP.h" - -/* compute autocorrelation */ -void silk_autocorrelation_FLP( - silk_float *results, /* O result (length correlationCount) */ - const silk_float *inputData, /* I input data to correlate */ - opus_int inputDataSize, /* I length of input */ - opus_int correlationCount /* I number of correlation taps to compute */ -) -{ - opus_int i; - - if( correlationCount > inputDataSize ) { - correlationCount = inputDataSize; - } - - for( i = 0; i < correlationCount; i++ ) { - results[ i ] = (silk_float)silk_inner_product_FLP( inputData, inputData + i, inputDataSize - i ); - } -} diff --git a/src/opus-1.1/silk/float/burg_modified_FLP.c b/src/opus-1.1/silk/float/burg_modified_FLP.c deleted file mode 100644 index ea5dc25a..00000000 --- a/src/opus-1.1/silk/float/burg_modified_FLP.c +++ /dev/null @@ -1,186 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" -#include "tuning_parameters.h" -#include "define.h" - -#define MAX_FRAME_SIZE 384 /* subfr_length * nb_subfr = ( 0.005 * 16000 + 16 ) * 4 = 384*/ - -/* Compute reflection coefficients from input signal */ -silk_float silk_burg_modified_FLP( /* O returns residual energy */ - silk_float A[], /* O prediction coefficients (length order) */ - const silk_float x[], /* I input signal, length: nb_subfr*(D+L_sub) */ - const silk_float minInvGain, /* I minimum inverse prediction gain */ - const opus_int subfr_length, /* I input signal subframe length (incl. D preceding samples) */ - const opus_int nb_subfr, /* I number of subframes stacked in x */ - const opus_int D /* I order */ -) -{ - opus_int k, n, s, reached_max_gain; - double C0, invGain, num, nrg_f, nrg_b, rc, Atmp, tmp1, tmp2; - const silk_float *x_ptr; - double C_first_row[ SILK_MAX_ORDER_LPC ], C_last_row[ SILK_MAX_ORDER_LPC ]; - double CAf[ SILK_MAX_ORDER_LPC + 1 ], CAb[ SILK_MAX_ORDER_LPC + 1 ]; - double Af[ SILK_MAX_ORDER_LPC ]; - - silk_assert( subfr_length * nb_subfr <= MAX_FRAME_SIZE ); - - /* Compute autocorrelations, added over subframes */ - C0 = silk_energy_FLP( x, nb_subfr * subfr_length ); - silk_memset( C_first_row, 0, SILK_MAX_ORDER_LPC * sizeof( double ) ); - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - for( n = 1; n < D + 1; n++ ) { - C_first_row[ n - 1 ] += silk_inner_product_FLP( x_ptr, x_ptr + n, subfr_length - n ); - } - } - silk_memcpy( C_last_row, C_first_row, SILK_MAX_ORDER_LPC * sizeof( double ) ); - - /* Initialize */ - CAb[ 0 ] = CAf[ 0 ] = C0 + FIND_LPC_COND_FAC * C0 + 1e-9f; - invGain = 1.0f; - reached_max_gain = 0; - for( n = 0; n < D; n++ ) { - /* Update first row of correlation matrix (without first element) */ - /* Update last row of correlation matrix (without last element, stored in reversed order) */ - /* Update C * Af */ - /* Update C * flipud(Af) (stored in reversed order) */ - for( s = 0; s < nb_subfr; s++ ) { - x_ptr = x + s * subfr_length; - tmp1 = x_ptr[ n ]; - tmp2 = x_ptr[ subfr_length - n - 1 ]; - for( k = 0; k < n; k++ ) { - C_first_row[ k ] -= x_ptr[ n ] * x_ptr[ n - k - 1 ]; - C_last_row[ k ] -= x_ptr[ subfr_length - n - 1 ] * x_ptr[ subfr_length - n + k ]; - Atmp = Af[ k ]; - tmp1 += x_ptr[ n - k - 1 ] * Atmp; - tmp2 += x_ptr[ subfr_length - n + k ] * Atmp; - } - for( k = 0; k <= n; k++ ) { - CAf[ k ] -= tmp1 * x_ptr[ n - k ]; - CAb[ k ] -= tmp2 * x_ptr[ subfr_length - n + k - 1 ]; - } - } - tmp1 = C_first_row[ n ]; - tmp2 = C_last_row[ n ]; - for( k = 0; k < n; k++ ) { - Atmp = Af[ k ]; - tmp1 += C_last_row[ n - k - 1 ] * Atmp; - tmp2 += C_first_row[ n - k - 1 ] * Atmp; - } - CAf[ n + 1 ] = tmp1; - CAb[ n + 1 ] = tmp2; - - /* Calculate nominator and denominator for the next order reflection (parcor) coefficient */ - num = CAb[ n + 1 ]; - nrg_b = CAb[ 0 ]; - nrg_f = CAf[ 0 ]; - for( k = 0; k < n; k++ ) { - Atmp = Af[ k ]; - num += CAb[ n - k ] * Atmp; - nrg_b += CAb[ k + 1 ] * Atmp; - nrg_f += CAf[ k + 1 ] * Atmp; - } - silk_assert( nrg_f > 0.0 ); - silk_assert( nrg_b > 0.0 ); - - /* Calculate the next order reflection (parcor) coefficient */ - rc = -2.0 * num / ( nrg_f + nrg_b ); - silk_assert( rc > -1.0 && rc < 1.0 ); - - /* Update inverse prediction gain */ - tmp1 = invGain * ( 1.0 - rc * rc ); - if( tmp1 <= minInvGain ) { - /* Max prediction gain exceeded; set reflection coefficient such that max prediction gain is exactly hit */ - rc = sqrt( 1.0 - minInvGain / invGain ); - if( num > 0 ) { - /* Ensure adjusted reflection coefficients has the original sign */ - rc = -rc; - } - invGain = minInvGain; - reached_max_gain = 1; - } else { - invGain = tmp1; - } - - /* Update the AR coefficients */ - for( k = 0; k < (n + 1) >> 1; k++ ) { - tmp1 = Af[ k ]; - tmp2 = Af[ n - k - 1 ]; - Af[ k ] = tmp1 + rc * tmp2; - Af[ n - k - 1 ] = tmp2 + rc * tmp1; - } - Af[ n ] = rc; - - if( reached_max_gain ) { - /* Reached max prediction gain; set remaining coefficients to zero and exit loop */ - for( k = n + 1; k < D; k++ ) { - Af[ k ] = 0.0; - } - break; - } - - /* Update C * Af and C * Ab */ - for( k = 0; k <= n + 1; k++ ) { - tmp1 = CAf[ k ]; - CAf[ k ] += rc * CAb[ n - k + 1 ]; - CAb[ n - k + 1 ] += rc * tmp1; - } - } - - if( reached_max_gain ) { - /* Convert to silk_float */ - for( k = 0; k < D; k++ ) { - A[ k ] = (silk_float)( -Af[ k ] ); - } - /* Subtract energy of preceding samples from C0 */ - for( s = 0; s < nb_subfr; s++ ) { - C0 -= silk_energy_FLP( x + s * subfr_length, D ); - } - /* Approximate residual energy */ - nrg_f = C0 * invGain; - } else { - /* Compute residual energy and store coefficients as silk_float */ - nrg_f = CAf[ 0 ]; - tmp1 = 1.0; - for( k = 0; k < D; k++ ) { - Atmp = Af[ k ]; - nrg_f += CAf[ k + 1 ] * Atmp; - tmp1 += Atmp * Atmp; - A[ k ] = (silk_float)(-Atmp); - } - nrg_f -= FIND_LPC_COND_FAC * C0 * tmp1; - } - - /* Return residual energy */ - return (silk_float)nrg_f; -} diff --git a/src/opus-1.1/silk/float/bwexpander_FLP.c b/src/opus-1.1/silk/float/bwexpander_FLP.c deleted file mode 100644 index d55a4d79..00000000 --- a/src/opus-1.1/silk/float/bwexpander_FLP.c +++ /dev/null @@ -1,49 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* Chirp (bw expand) LP AR filter */ -void silk_bwexpander_FLP( - silk_float *ar, /* I/O AR filter to be expanded (without leading 1) */ - const opus_int d, /* I length of ar */ - const silk_float chirp /* I chirp factor (typically in range (0..1) ) */ -) -{ - opus_int i; - silk_float cfac = chirp; - - for( i = 0; i < d - 1; i++ ) { - ar[ i ] *= cfac; - cfac *= chirp; - } - ar[ d - 1 ] *= cfac; -} diff --git a/src/opus-1.1/silk/float/corrMatrix_FLP.c b/src/opus-1.1/silk/float/corrMatrix_FLP.c deleted file mode 100644 index eae6a1cf..00000000 --- a/src/opus-1.1/silk/float/corrMatrix_FLP.c +++ /dev/null @@ -1,93 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/********************************************************************** - * Correlation matrix computations for LS estimate. - **********************************************************************/ - -#include "main_FLP.h" - -/* Calculates correlation vector X'*t */ -void silk_corrVector_FLP( - const silk_float *x, /* I x vector [L+order-1] used to create X */ - const silk_float *t, /* I Target vector [L] */ - const opus_int L, /* I Length of vecors */ - const opus_int Order, /* I Max lag for correlation */ - silk_float *Xt /* O X'*t correlation vector [order] */ -) -{ - opus_int lag; - const silk_float *ptr1; - - ptr1 = &x[ Order - 1 ]; /* Points to first sample of column 0 of X: X[:,0] */ - for( lag = 0; lag < Order; lag++ ) { - /* Calculate X[:,lag]'*t */ - Xt[ lag ] = (silk_float)silk_inner_product_FLP( ptr1, t, L ); - ptr1--; /* Next column of X */ - } -} - -/* Calculates correlation matrix X'*X */ -void silk_corrMatrix_FLP( - const silk_float *x, /* I x vector [ L+order-1 ] used to create X */ - const opus_int L, /* I Length of vectors */ - const opus_int Order, /* I Max lag for correlation */ - silk_float *XX /* O X'*X correlation matrix [order x order] */ -) -{ - opus_int j, lag; - double energy; - const silk_float *ptr1, *ptr2; - - ptr1 = &x[ Order - 1 ]; /* First sample of column 0 of X */ - energy = silk_energy_FLP( ptr1, L ); /* X[:,0]'*X[:,0] */ - matrix_ptr( XX, 0, 0, Order ) = ( silk_float )energy; - for( j = 1; j < Order; j++ ) { - /* Calculate X[:,j]'*X[:,j] */ - energy += ptr1[ -j ] * ptr1[ -j ] - ptr1[ L - j ] * ptr1[ L - j ]; - matrix_ptr( XX, j, j, Order ) = ( silk_float )energy; - } - - ptr2 = &x[ Order - 2 ]; /* First sample of column 1 of X */ - for( lag = 1; lag < Order; lag++ ) { - /* Calculate X[:,0]'*X[:,lag] */ - energy = silk_inner_product_FLP( ptr1, ptr2, L ); - matrix_ptr( XX, lag, 0, Order ) = ( silk_float )energy; - matrix_ptr( XX, 0, lag, Order ) = ( silk_float )energy; - /* Calculate X[:,j]'*X[:,j + lag] */ - for( j = 1; j < ( Order - lag ); j++ ) { - energy += ptr1[ -j ] * ptr2[ -j ] - ptr1[ L - j ] * ptr2[ L - j ]; - matrix_ptr( XX, lag + j, j, Order ) = ( silk_float )energy; - matrix_ptr( XX, j, lag + j, Order ) = ( silk_float )energy; - } - ptr2--; /* Next column of X */ - } -} diff --git a/src/opus-1.1/silk/float/encode_frame_FLP.c b/src/opus-1.1/silk/float/encode_frame_FLP.c deleted file mode 100644 index d54e2686..00000000 --- a/src/opus-1.1/silk/float/encode_frame_FLP.c +++ /dev/null @@ -1,372 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" -#include "tuning_parameters.h" - -/* Low Bitrate Redundancy (LBRR) encoding. Reuse all parameters but encode with lower bitrate */ -static OPUS_INLINE void silk_LBRR_encode_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - const silk_float xfw[], /* I Input signal */ - opus_int condCoding /* I The type of conditional coding used so far for this frame */ -); - -void silk_encode_do_VAD_FLP( - silk_encoder_state_FLP *psEnc /* I/O Encoder state FLP */ -) -{ - /****************************/ - /* Voice Activity Detection */ - /****************************/ - silk_VAD_GetSA_Q8( &psEnc->sCmn, psEnc->sCmn.inputBuf + 1 ); - - /**************************************************/ - /* Convert speech activity into VAD and DTX flags */ - /**************************************************/ - if( psEnc->sCmn.speech_activity_Q8 < SILK_FIX_CONST( SPEECH_ACTIVITY_DTX_THRES, 8 ) ) { - psEnc->sCmn.indices.signalType = TYPE_NO_VOICE_ACTIVITY; - psEnc->sCmn.noSpeechCounter++; - if( psEnc->sCmn.noSpeechCounter < NB_SPEECH_FRAMES_BEFORE_DTX ) { - psEnc->sCmn.inDTX = 0; - } else if( psEnc->sCmn.noSpeechCounter > MAX_CONSECUTIVE_DTX + NB_SPEECH_FRAMES_BEFORE_DTX ) { - psEnc->sCmn.noSpeechCounter = NB_SPEECH_FRAMES_BEFORE_DTX; - psEnc->sCmn.inDTX = 0; - } - psEnc->sCmn.VAD_flags[ psEnc->sCmn.nFramesEncoded ] = 0; - } else { - psEnc->sCmn.noSpeechCounter = 0; - psEnc->sCmn.inDTX = 0; - psEnc->sCmn.indices.signalType = TYPE_UNVOICED; - psEnc->sCmn.VAD_flags[ psEnc->sCmn.nFramesEncoded ] = 1; - } -} - -/****************/ -/* Encode frame */ -/****************/ -opus_int silk_encode_frame_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - opus_int32 *pnBytesOut, /* O Number of payload bytes; */ - ec_enc *psRangeEnc, /* I/O compressor data structure */ - opus_int condCoding, /* I The type of conditional coding to use */ - opus_int maxBits, /* I If > 0: maximum number of output bits */ - opus_int useCBR /* I Flag to force constant-bitrate operation */ -) -{ - silk_encoder_control_FLP sEncCtrl; - opus_int i, iter, maxIter, found_upper, found_lower, ret = 0; - silk_float *x_frame, *res_pitch_frame; - silk_float xfw[ MAX_FRAME_LENGTH ]; - silk_float res_pitch[ 2 * MAX_FRAME_LENGTH + LA_PITCH_MAX ]; - ec_enc sRangeEnc_copy, sRangeEnc_copy2; - silk_nsq_state sNSQ_copy, sNSQ_copy2; - opus_int32 seed_copy, nBits, nBits_lower, nBits_upper, gainMult_lower, gainMult_upper; - opus_int32 gainsID, gainsID_lower, gainsID_upper; - opus_int16 gainMult_Q8; - opus_int16 ec_prevLagIndex_copy; - opus_int ec_prevSignalType_copy; - opus_int8 LastGainIndex_copy2; - opus_int32 pGains_Q16[ MAX_NB_SUBFR ]; - opus_uint8 ec_buf_copy[ 1275 ]; - - /* This is totally unnecessary but many compilers (including gcc) are too dumb to realise it */ - LastGainIndex_copy2 = nBits_lower = nBits_upper = gainMult_lower = gainMult_upper = 0; - - psEnc->sCmn.indices.Seed = psEnc->sCmn.frameCounter++ & 3; - - /**************************************************************/ - /* Set up Input Pointers, and insert frame in input buffer */ - /**************************************************************/ - /* pointers aligned with start of frame to encode */ - x_frame = psEnc->x_buf + psEnc->sCmn.ltp_mem_length; /* start of frame to encode */ - res_pitch_frame = res_pitch + psEnc->sCmn.ltp_mem_length; /* start of pitch LPC residual frame */ - - /***************************************/ - /* Ensure smooth bandwidth transitions */ - /***************************************/ - silk_LP_variable_cutoff( &psEnc->sCmn.sLP, psEnc->sCmn.inputBuf + 1, psEnc->sCmn.frame_length ); - - /*******************************************/ - /* Copy new frame to front of input buffer */ - /*******************************************/ - silk_short2float_array( x_frame + LA_SHAPE_MS * psEnc->sCmn.fs_kHz, psEnc->sCmn.inputBuf + 1, psEnc->sCmn.frame_length ); - - /* Add tiny signal to avoid high CPU load from denormalized floating point numbers */ - for( i = 0; i < 8; i++ ) { - x_frame[ LA_SHAPE_MS * psEnc->sCmn.fs_kHz + i * ( psEnc->sCmn.frame_length >> 3 ) ] += ( 1 - ( i & 2 ) ) * 1e-6f; - } - - if( !psEnc->sCmn.prefillFlag ) { - /*****************************************/ - /* Find pitch lags, initial LPC analysis */ - /*****************************************/ - silk_find_pitch_lags_FLP( psEnc, &sEncCtrl, res_pitch, x_frame, psEnc->sCmn.arch ); - - /************************/ - /* Noise shape analysis */ - /************************/ - silk_noise_shape_analysis_FLP( psEnc, &sEncCtrl, res_pitch_frame, x_frame ); - - /***************************************************/ - /* Find linear prediction coefficients (LPC + LTP) */ - /***************************************************/ - silk_find_pred_coefs_FLP( psEnc, &sEncCtrl, res_pitch, x_frame, condCoding ); - - /****************************************/ - /* Process gains */ - /****************************************/ - silk_process_gains_FLP( psEnc, &sEncCtrl, condCoding ); - - /*****************************************/ - /* Prefiltering for noise shaper */ - /*****************************************/ - silk_prefilter_FLP( psEnc, &sEncCtrl, xfw, x_frame ); - - /****************************************/ - /* Low Bitrate Redundant Encoding */ - /****************************************/ - silk_LBRR_encode_FLP( psEnc, &sEncCtrl, xfw, condCoding ); - - /* Loop over quantizer and entroy coding to control bitrate */ - maxIter = 6; - gainMult_Q8 = SILK_FIX_CONST( 1, 8 ); - found_lower = 0; - found_upper = 0; - gainsID = silk_gains_ID( psEnc->sCmn.indices.GainsIndices, psEnc->sCmn.nb_subfr ); - gainsID_lower = -1; - gainsID_upper = -1; - /* Copy part of the input state */ - silk_memcpy( &sRangeEnc_copy, psRangeEnc, sizeof( ec_enc ) ); - silk_memcpy( &sNSQ_copy, &psEnc->sCmn.sNSQ, sizeof( silk_nsq_state ) ); - seed_copy = psEnc->sCmn.indices.Seed; - ec_prevLagIndex_copy = psEnc->sCmn.ec_prevLagIndex; - ec_prevSignalType_copy = psEnc->sCmn.ec_prevSignalType; - for( iter = 0; ; iter++ ) { - if( gainsID == gainsID_lower ) { - nBits = nBits_lower; - } else if( gainsID == gainsID_upper ) { - nBits = nBits_upper; - } else { - /* Restore part of the input state */ - if( iter > 0 ) { - silk_memcpy( psRangeEnc, &sRangeEnc_copy, sizeof( ec_enc ) ); - silk_memcpy( &psEnc->sCmn.sNSQ, &sNSQ_copy, sizeof( silk_nsq_state ) ); - psEnc->sCmn.indices.Seed = seed_copy; - psEnc->sCmn.ec_prevLagIndex = ec_prevLagIndex_copy; - psEnc->sCmn.ec_prevSignalType = ec_prevSignalType_copy; - } - - /*****************************************/ - /* Noise shaping quantization */ - /*****************************************/ - silk_NSQ_wrapper_FLP( psEnc, &sEncCtrl, &psEnc->sCmn.indices, &psEnc->sCmn.sNSQ, psEnc->sCmn.pulses, xfw ); - - /****************************************/ - /* Encode Parameters */ - /****************************************/ - silk_encode_indices( &psEnc->sCmn, psRangeEnc, psEnc->sCmn.nFramesEncoded, 0, condCoding ); - - /****************************************/ - /* Encode Excitation Signal */ - /****************************************/ - silk_encode_pulses( psRangeEnc, psEnc->sCmn.indices.signalType, psEnc->sCmn.indices.quantOffsetType, - psEnc->sCmn.pulses, psEnc->sCmn.frame_length ); - - nBits = ec_tell( psRangeEnc ); - - if( useCBR == 0 && iter == 0 && nBits <= maxBits ) { - break; - } - } - - if( iter == maxIter ) { - if( found_lower && ( gainsID == gainsID_lower || nBits > maxBits ) ) { - /* Restore output state from earlier iteration that did meet the bitrate budget */ - silk_memcpy( psRangeEnc, &sRangeEnc_copy2, sizeof( ec_enc ) ); - silk_assert( sRangeEnc_copy2.offs <= 1275 ); - silk_memcpy( psRangeEnc->buf, ec_buf_copy, sRangeEnc_copy2.offs ); - silk_memcpy( &psEnc->sCmn.sNSQ, &sNSQ_copy2, sizeof( silk_nsq_state ) ); - psEnc->sShape.LastGainIndex = LastGainIndex_copy2; - } - break; - } - - if( nBits > maxBits ) { - if( found_lower == 0 && iter >= 2 ) { - /* Adjust the quantizer's rate/distortion tradeoff and discard previous "upper" results */ - sEncCtrl.Lambda *= 1.5f; - found_upper = 0; - gainsID_upper = -1; - } else { - found_upper = 1; - nBits_upper = nBits; - gainMult_upper = gainMult_Q8; - gainsID_upper = gainsID; - } - } else if( nBits < maxBits - 5 ) { - found_lower = 1; - nBits_lower = nBits; - gainMult_lower = gainMult_Q8; - if( gainsID != gainsID_lower ) { - gainsID_lower = gainsID; - /* Copy part of the output state */ - silk_memcpy( &sRangeEnc_copy2, psRangeEnc, sizeof( ec_enc ) ); - silk_assert( psRangeEnc->offs <= 1275 ); - silk_memcpy( ec_buf_copy, psRangeEnc->buf, psRangeEnc->offs ); - silk_memcpy( &sNSQ_copy2, &psEnc->sCmn.sNSQ, sizeof( silk_nsq_state ) ); - LastGainIndex_copy2 = psEnc->sShape.LastGainIndex; - } - } else { - /* Within 5 bits of budget: close enough */ - break; - } - - if( ( found_lower & found_upper ) == 0 ) { - /* Adjust gain according to high-rate rate/distortion curve */ - opus_int32 gain_factor_Q16; - gain_factor_Q16 = silk_log2lin( silk_LSHIFT( nBits - maxBits, 7 ) / psEnc->sCmn.frame_length + SILK_FIX_CONST( 16, 7 ) ); - gain_factor_Q16 = silk_min_32( gain_factor_Q16, SILK_FIX_CONST( 2, 16 ) ); - if( nBits > maxBits ) { - gain_factor_Q16 = silk_max_32( gain_factor_Q16, SILK_FIX_CONST( 1.3, 16 ) ); - } - gainMult_Q8 = silk_SMULWB( gain_factor_Q16, gainMult_Q8 ); - } else { - /* Adjust gain by interpolating */ - gainMult_Q8 = gainMult_lower + ( ( gainMult_upper - gainMult_lower ) * ( maxBits - nBits_lower ) ) / ( nBits_upper - nBits_lower ); - /* New gain multplier must be between 25% and 75% of old range (note that gainMult_upper < gainMult_lower) */ - if( gainMult_Q8 > silk_ADD_RSHIFT32( gainMult_lower, gainMult_upper - gainMult_lower, 2 ) ) { - gainMult_Q8 = silk_ADD_RSHIFT32( gainMult_lower, gainMult_upper - gainMult_lower, 2 ); - } else - if( gainMult_Q8 < silk_SUB_RSHIFT32( gainMult_upper, gainMult_upper - gainMult_lower, 2 ) ) { - gainMult_Q8 = silk_SUB_RSHIFT32( gainMult_upper, gainMult_upper - gainMult_lower, 2 ); - } - } - - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - pGains_Q16[ i ] = silk_LSHIFT_SAT32( silk_SMULWB( sEncCtrl.GainsUnq_Q16[ i ], gainMult_Q8 ), 8 ); - } - - /* Quantize gains */ - psEnc->sShape.LastGainIndex = sEncCtrl.lastGainIndexPrev; - silk_gains_quant( psEnc->sCmn.indices.GainsIndices, pGains_Q16, - &psEnc->sShape.LastGainIndex, condCoding == CODE_CONDITIONALLY, psEnc->sCmn.nb_subfr ); - - /* Unique identifier of gains vector */ - gainsID = silk_gains_ID( psEnc->sCmn.indices.GainsIndices, psEnc->sCmn.nb_subfr ); - - /* Overwrite unquantized gains with quantized gains and convert back to Q0 from Q16 */ - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - sEncCtrl.Gains[ i ] = pGains_Q16[ i ] / 65536.0f; - } - } - } - - /* Update input buffer */ - silk_memmove( psEnc->x_buf, &psEnc->x_buf[ psEnc->sCmn.frame_length ], - ( psEnc->sCmn.ltp_mem_length + LA_SHAPE_MS * psEnc->sCmn.fs_kHz ) * sizeof( silk_float ) ); - - /* Exit without entropy coding */ - if( psEnc->sCmn.prefillFlag ) { - /* No payload */ - *pnBytesOut = 0; - return ret; - } - - /* Parameters needed for next frame */ - psEnc->sCmn.prevLag = sEncCtrl.pitchL[ psEnc->sCmn.nb_subfr - 1 ]; - psEnc->sCmn.prevSignalType = psEnc->sCmn.indices.signalType; - - /****************************************/ - /* Finalize payload */ - /****************************************/ - psEnc->sCmn.first_frame_after_reset = 0; - /* Payload size */ - *pnBytesOut = silk_RSHIFT( ec_tell( psRangeEnc ) + 7, 3 ); - - return ret; -} - -/* Low-Bitrate Redundancy (LBRR) encoding. Reuse all parameters but encode excitation at lower bitrate */ -static OPUS_INLINE void silk_LBRR_encode_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - const silk_float xfw[], /* I Input signal */ - opus_int condCoding /* I The type of conditional coding used so far for this frame */ -) -{ - opus_int k; - opus_int32 Gains_Q16[ MAX_NB_SUBFR ]; - silk_float TempGains[ MAX_NB_SUBFR ]; - SideInfoIndices *psIndices_LBRR = &psEnc->sCmn.indices_LBRR[ psEnc->sCmn.nFramesEncoded ]; - silk_nsq_state sNSQ_LBRR; - - /*******************************************/ - /* Control use of inband LBRR */ - /*******************************************/ - if( psEnc->sCmn.LBRR_enabled && psEnc->sCmn.speech_activity_Q8 > SILK_FIX_CONST( LBRR_SPEECH_ACTIVITY_THRES, 8 ) ) { - psEnc->sCmn.LBRR_flags[ psEnc->sCmn.nFramesEncoded ] = 1; - - /* Copy noise shaping quantizer state and quantization indices from regular encoding */ - silk_memcpy( &sNSQ_LBRR, &psEnc->sCmn.sNSQ, sizeof( silk_nsq_state ) ); - silk_memcpy( psIndices_LBRR, &psEnc->sCmn.indices, sizeof( SideInfoIndices ) ); - - /* Save original gains */ - silk_memcpy( TempGains, psEncCtrl->Gains, psEnc->sCmn.nb_subfr * sizeof( silk_float ) ); - - if( psEnc->sCmn.nFramesEncoded == 0 || psEnc->sCmn.LBRR_flags[ psEnc->sCmn.nFramesEncoded - 1 ] == 0 ) { - /* First frame in packet or previous frame not LBRR coded */ - psEnc->sCmn.LBRRprevLastGainIndex = psEnc->sShape.LastGainIndex; - - /* Increase Gains to get target LBRR rate */ - psIndices_LBRR->GainsIndices[ 0 ] += psEnc->sCmn.LBRR_GainIncreases; - psIndices_LBRR->GainsIndices[ 0 ] = silk_min_int( psIndices_LBRR->GainsIndices[ 0 ], N_LEVELS_QGAIN - 1 ); - } - - /* Decode to get gains in sync with decoder */ - silk_gains_dequant( Gains_Q16, psIndices_LBRR->GainsIndices, - &psEnc->sCmn.LBRRprevLastGainIndex, condCoding == CODE_CONDITIONALLY, psEnc->sCmn.nb_subfr ); - - /* Overwrite unquantized gains with quantized gains and convert back to Q0 from Q16 */ - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->Gains[ k ] = Gains_Q16[ k ] * ( 1.0f / 65536.0f ); - } - - /*****************************************/ - /* Noise shaping quantization */ - /*****************************************/ - silk_NSQ_wrapper_FLP( psEnc, psEncCtrl, psIndices_LBRR, &sNSQ_LBRR, - psEnc->sCmn.pulses_LBRR[ psEnc->sCmn.nFramesEncoded ], xfw ); - - /* Restore original gains */ - silk_memcpy( psEncCtrl->Gains, TempGains, psEnc->sCmn.nb_subfr * sizeof( silk_float ) ); - } -} diff --git a/src/opus-1.1/silk/float/energy_FLP.c b/src/opus-1.1/silk/float/energy_FLP.c deleted file mode 100644 index 24b8179f..00000000 --- a/src/opus-1.1/silk/float/energy_FLP.c +++ /dev/null @@ -1,60 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* sum of squares of a silk_float array, with result as double */ -double silk_energy_FLP( - const silk_float *data, - opus_int dataSize -) -{ - opus_int i, dataSize4; - double result; - - /* 4x unrolled loop */ - result = 0.0; - dataSize4 = dataSize & 0xFFFC; - for( i = 0; i < dataSize4; i += 4 ) { - result += data[ i + 0 ] * (double)data[ i + 0 ] + - data[ i + 1 ] * (double)data[ i + 1 ] + - data[ i + 2 ] * (double)data[ i + 2 ] + - data[ i + 3 ] * (double)data[ i + 3 ]; - } - - /* add any remaining products */ - for( ; i < dataSize; i++ ) { - result += data[ i ] * (double)data[ i ]; - } - - silk_assert( result >= 0.0 ); - return result; -} diff --git a/src/opus-1.1/silk/float/find_LPC_FLP.c b/src/opus-1.1/silk/float/find_LPC_FLP.c deleted file mode 100644 index 61c1ad95..00000000 --- a/src/opus-1.1/silk/float/find_LPC_FLP.c +++ /dev/null @@ -1,104 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "define.h" -#include "main_FLP.h" -#include "tuning_parameters.h" - -/* LPC analysis */ -void silk_find_LPC_FLP( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 NLSF_Q15[], /* O NLSFs */ - const silk_float x[], /* I Input signal */ - const silk_float minInvGain /* I Inverse of max prediction gain */ -) -{ - opus_int k, subfr_length; - silk_float a[ MAX_LPC_ORDER ]; - - /* Used only for NLSF interpolation */ - silk_float res_nrg, res_nrg_2nd, res_nrg_interp; - opus_int16 NLSF0_Q15[ MAX_LPC_ORDER ]; - silk_float a_tmp[ MAX_LPC_ORDER ]; - silk_float LPC_res[ MAX_FRAME_LENGTH + MAX_NB_SUBFR * MAX_LPC_ORDER ]; - - subfr_length = psEncC->subfr_length + psEncC->predictLPCOrder; - - /* Default: No interpolation */ - psEncC->indices.NLSFInterpCoef_Q2 = 4; - - /* Burg AR analysis for the full frame */ - res_nrg = silk_burg_modified_FLP( a, x, minInvGain, subfr_length, psEncC->nb_subfr, psEncC->predictLPCOrder ); - - if( psEncC->useInterpolatedNLSFs && !psEncC->first_frame_after_reset && psEncC->nb_subfr == MAX_NB_SUBFR ) { - /* Optimal solution for last 10 ms; subtract residual energy here, as that's easier than */ - /* adding it to the residual energy of the first 10 ms in each iteration of the search below */ - res_nrg -= silk_burg_modified_FLP( a_tmp, x + ( MAX_NB_SUBFR / 2 ) * subfr_length, minInvGain, subfr_length, MAX_NB_SUBFR / 2, psEncC->predictLPCOrder ); - - /* Convert to NLSFs */ - silk_A2NLSF_FLP( NLSF_Q15, a_tmp, psEncC->predictLPCOrder ); - - /* Search over interpolation indices to find the one with lowest residual energy */ - res_nrg_2nd = silk_float_MAX; - for( k = 3; k >= 0; k-- ) { - /* Interpolate NLSFs for first half */ - silk_interpolate( NLSF0_Q15, psEncC->prev_NLSFq_Q15, NLSF_Q15, k, psEncC->predictLPCOrder ); - - /* Convert to LPC for residual energy evaluation */ - silk_NLSF2A_FLP( a_tmp, NLSF0_Q15, psEncC->predictLPCOrder ); - - /* Calculate residual energy with LSF interpolation */ - silk_LPC_analysis_filter_FLP( LPC_res, a_tmp, x, 2 * subfr_length, psEncC->predictLPCOrder ); - res_nrg_interp = (silk_float)( - silk_energy_FLP( LPC_res + psEncC->predictLPCOrder, subfr_length - psEncC->predictLPCOrder ) + - silk_energy_FLP( LPC_res + psEncC->predictLPCOrder + subfr_length, subfr_length - psEncC->predictLPCOrder ) ); - - /* Determine whether current interpolated NLSFs are best so far */ - if( res_nrg_interp < res_nrg ) { - /* Interpolation has lower residual energy */ - res_nrg = res_nrg_interp; - psEncC->indices.NLSFInterpCoef_Q2 = (opus_int8)k; - } else if( res_nrg_interp > res_nrg_2nd ) { - /* No reason to continue iterating - residual energies will continue to climb */ - break; - } - res_nrg_2nd = res_nrg_interp; - } - } - - if( psEncC->indices.NLSFInterpCoef_Q2 == 4 ) { - /* NLSF interpolation is currently inactive, calculate NLSFs from full frame AR coefficients */ - silk_A2NLSF_FLP( NLSF_Q15, a, psEncC->predictLPCOrder ); - } - - silk_assert( psEncC->indices.NLSFInterpCoef_Q2 == 4 || - ( psEncC->useInterpolatedNLSFs && !psEncC->first_frame_after_reset && psEncC->nb_subfr == MAX_NB_SUBFR ) ); -} diff --git a/src/opus-1.1/silk/float/find_LTP_FLP.c b/src/opus-1.1/silk/float/find_LTP_FLP.c deleted file mode 100644 index 72299960..00000000 --- a/src/opus-1.1/silk/float/find_LTP_FLP.c +++ /dev/null @@ -1,132 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" -#include "tuning_parameters.h" - -void silk_find_LTP_FLP( - silk_float b[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ - silk_float WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */ - silk_float *LTPredCodGain, /* O LTP coding gain */ - const silk_float r_lpc[], /* I LPC residual */ - const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ - const silk_float Wght[ MAX_NB_SUBFR ], /* I Weights */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int mem_offset /* I Number of samples in LTP memory */ -) -{ - opus_int i, k; - silk_float *b_ptr, temp, *WLTP_ptr; - silk_float LPC_res_nrg, LPC_LTP_res_nrg; - silk_float d[ MAX_NB_SUBFR ], m, g, delta_b[ LTP_ORDER ]; - silk_float w[ MAX_NB_SUBFR ], nrg[ MAX_NB_SUBFR ], regu; - silk_float Rr[ LTP_ORDER ], rr[ MAX_NB_SUBFR ]; - const silk_float *r_ptr, *lag_ptr; - - b_ptr = b; - WLTP_ptr = WLTP; - r_ptr = &r_lpc[ mem_offset ]; - for( k = 0; k < nb_subfr; k++ ) { - lag_ptr = r_ptr - ( lag[ k ] + LTP_ORDER / 2 ); - - silk_corrMatrix_FLP( lag_ptr, subfr_length, LTP_ORDER, WLTP_ptr ); - silk_corrVector_FLP( lag_ptr, r_ptr, subfr_length, LTP_ORDER, Rr ); - - rr[ k ] = ( silk_float )silk_energy_FLP( r_ptr, subfr_length ); - regu = 1.0f + rr[ k ] + - matrix_ptr( WLTP_ptr, 0, 0, LTP_ORDER ) + - matrix_ptr( WLTP_ptr, LTP_ORDER-1, LTP_ORDER-1, LTP_ORDER ); - regu *= LTP_DAMPING / 3; - silk_regularize_correlations_FLP( WLTP_ptr, &rr[ k ], regu, LTP_ORDER ); - silk_solve_LDL_FLP( WLTP_ptr, LTP_ORDER, Rr, b_ptr ); - - /* Calculate residual energy */ - nrg[ k ] = silk_residual_energy_covar_FLP( b_ptr, WLTP_ptr, Rr, rr[ k ], LTP_ORDER ); - - temp = Wght[ k ] / ( nrg[ k ] * Wght[ k ] + 0.01f * subfr_length ); - silk_scale_vector_FLP( WLTP_ptr, temp, LTP_ORDER * LTP_ORDER ); - w[ k ] = matrix_ptr( WLTP_ptr, LTP_ORDER / 2, LTP_ORDER / 2, LTP_ORDER ); - - r_ptr += subfr_length; - b_ptr += LTP_ORDER; - WLTP_ptr += LTP_ORDER * LTP_ORDER; - } - - /* Compute LTP coding gain */ - if( LTPredCodGain != NULL ) { - LPC_LTP_res_nrg = 1e-6f; - LPC_res_nrg = 0.0f; - for( k = 0; k < nb_subfr; k++ ) { - LPC_res_nrg += rr[ k ] * Wght[ k ]; - LPC_LTP_res_nrg += nrg[ k ] * Wght[ k ]; - } - - silk_assert( LPC_LTP_res_nrg > 0 ); - *LTPredCodGain = 3.0f * silk_log2( LPC_res_nrg / LPC_LTP_res_nrg ); - } - - /* Smoothing */ - /* d = sum( B, 1 ); */ - b_ptr = b; - for( k = 0; k < nb_subfr; k++ ) { - d[ k ] = 0; - for( i = 0; i < LTP_ORDER; i++ ) { - d[ k ] += b_ptr[ i ]; - } - b_ptr += LTP_ORDER; - } - /* m = ( w * d' ) / ( sum( w ) + 1e-3 ); */ - temp = 1e-3f; - for( k = 0; k < nb_subfr; k++ ) { - temp += w[ k ]; - } - m = 0; - for( k = 0; k < nb_subfr; k++ ) { - m += d[ k ] * w[ k ]; - } - m = m / temp; - - b_ptr = b; - for( k = 0; k < nb_subfr; k++ ) { - g = LTP_SMOOTHING / ( LTP_SMOOTHING + w[ k ] ) * ( m - d[ k ] ); - temp = 0; - for( i = 0; i < LTP_ORDER; i++ ) { - delta_b[ i ] = silk_max_float( b_ptr[ i ], 0.1f ); - temp += delta_b[ i ]; - } - temp = g / temp; - for( i = 0; i < LTP_ORDER; i++ ) { - b_ptr[ i ] = b_ptr[ i ] + delta_b[ i ] * temp; - } - b_ptr += LTP_ORDER; - } -} diff --git a/src/opus-1.1/silk/float/find_pitch_lags_FLP.c b/src/opus-1.1/silk/float/find_pitch_lags_FLP.c deleted file mode 100644 index f3b22d25..00000000 --- a/src/opus-1.1/silk/float/find_pitch_lags_FLP.c +++ /dev/null @@ -1,132 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include "main_FLP.h" -#include "tuning_parameters.h" - -void silk_find_pitch_lags_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - silk_float res[], /* O Residual */ - const silk_float x[], /* I Speech signal */ - int arch /* I Run-time architecture */ -) -{ - opus_int buf_len; - silk_float thrhld, res_nrg; - const silk_float *x_buf_ptr, *x_buf; - silk_float auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; - silk_float A[ MAX_FIND_PITCH_LPC_ORDER ]; - silk_float refl_coef[ MAX_FIND_PITCH_LPC_ORDER ]; - silk_float Wsig[ FIND_PITCH_LPC_WIN_MAX ]; - silk_float *Wsig_ptr; - - /******************************************/ - /* Set up buffer lengths etc based on Fs */ - /******************************************/ - buf_len = psEnc->sCmn.la_pitch + psEnc->sCmn.frame_length + psEnc->sCmn.ltp_mem_length; - - /* Safety check */ - silk_assert( buf_len >= psEnc->sCmn.pitch_LPC_win_length ); - - x_buf = x - psEnc->sCmn.ltp_mem_length; - - /******************************************/ - /* Estimate LPC AR coeficients */ - /******************************************/ - - /* Calculate windowed signal */ - - /* First LA_LTP samples */ - x_buf_ptr = x_buf + buf_len - psEnc->sCmn.pitch_LPC_win_length; - Wsig_ptr = Wsig; - silk_apply_sine_window_FLP( Wsig_ptr, x_buf_ptr, 1, psEnc->sCmn.la_pitch ); - - /* Middle non-windowed samples */ - Wsig_ptr += psEnc->sCmn.la_pitch; - x_buf_ptr += psEnc->sCmn.la_pitch; - silk_memcpy( Wsig_ptr, x_buf_ptr, ( psEnc->sCmn.pitch_LPC_win_length - ( psEnc->sCmn.la_pitch << 1 ) ) * sizeof( silk_float ) ); - - /* Last LA_LTP samples */ - Wsig_ptr += psEnc->sCmn.pitch_LPC_win_length - ( psEnc->sCmn.la_pitch << 1 ); - x_buf_ptr += psEnc->sCmn.pitch_LPC_win_length - ( psEnc->sCmn.la_pitch << 1 ); - silk_apply_sine_window_FLP( Wsig_ptr, x_buf_ptr, 2, psEnc->sCmn.la_pitch ); - - /* Calculate autocorrelation sequence */ - silk_autocorrelation_FLP( auto_corr, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1 ); - - /* Add white noise, as a fraction of the energy */ - auto_corr[ 0 ] += auto_corr[ 0 ] * FIND_PITCH_WHITE_NOISE_FRACTION + 1; - - /* Calculate the reflection coefficients using Schur */ - res_nrg = silk_schur_FLP( refl_coef, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder ); - - /* Prediction gain */ - psEncCtrl->predGain = auto_corr[ 0 ] / silk_max_float( res_nrg, 1.0f ); - - /* Convert reflection coefficients to prediction coefficients */ - silk_k2a_FLP( A, refl_coef, psEnc->sCmn.pitchEstimationLPCOrder ); - - /* Bandwidth expansion */ - silk_bwexpander_FLP( A, psEnc->sCmn.pitchEstimationLPCOrder, FIND_PITCH_BANDWIDTH_EXPANSION ); - - /*****************************************/ - /* LPC analysis filtering */ - /*****************************************/ - silk_LPC_analysis_filter_FLP( res, A, x_buf, buf_len, psEnc->sCmn.pitchEstimationLPCOrder ); - - if( psEnc->sCmn.indices.signalType != TYPE_NO_VOICE_ACTIVITY && psEnc->sCmn.first_frame_after_reset == 0 ) { - /* Threshold for pitch estimator */ - thrhld = 0.6f; - thrhld -= 0.004f * psEnc->sCmn.pitchEstimationLPCOrder; - thrhld -= 0.1f * psEnc->sCmn.speech_activity_Q8 * ( 1.0f / 256.0f ); - thrhld -= 0.15f * (psEnc->sCmn.prevSignalType >> 1); - thrhld -= 0.1f * psEnc->sCmn.input_tilt_Q15 * ( 1.0f / 32768.0f ); - - /*****************************************/ - /* Call Pitch estimator */ - /*****************************************/ - if( silk_pitch_analysis_core_FLP( res, psEncCtrl->pitchL, &psEnc->sCmn.indices.lagIndex, - &psEnc->sCmn.indices.contourIndex, &psEnc->LTPCorr, psEnc->sCmn.prevLag, psEnc->sCmn.pitchEstimationThreshold_Q16 / 65536.0f, - thrhld, psEnc->sCmn.fs_kHz, psEnc->sCmn.pitchEstimationComplexity, psEnc->sCmn.nb_subfr, arch ) == 0 ) - { - psEnc->sCmn.indices.signalType = TYPE_VOICED; - } else { - psEnc->sCmn.indices.signalType = TYPE_UNVOICED; - } - } else { - silk_memset( psEncCtrl->pitchL, 0, sizeof( psEncCtrl->pitchL ) ); - psEnc->sCmn.indices.lagIndex = 0; - psEnc->sCmn.indices.contourIndex = 0; - psEnc->LTPCorr = 0; - } -} diff --git a/src/opus-1.1/silk/float/find_pred_coefs_FLP.c b/src/opus-1.1/silk/float/find_pred_coefs_FLP.c deleted file mode 100644 index ea2c6c43..00000000 --- a/src/opus-1.1/silk/float/find_pred_coefs_FLP.c +++ /dev/null @@ -1,117 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -/* Find LPC and LTP coefficients */ -void silk_find_pred_coefs_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - const silk_float res_pitch[], /* I Residual from pitch analysis */ - const silk_float x[], /* I Speech signal */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - opus_int i; - silk_float WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ]; - silk_float invGains[ MAX_NB_SUBFR ], Wght[ MAX_NB_SUBFR ]; - opus_int16 NLSF_Q15[ MAX_LPC_ORDER ]; - const silk_float *x_ptr; - silk_float *x_pre_ptr, LPC_in_pre[ MAX_NB_SUBFR * MAX_LPC_ORDER + MAX_FRAME_LENGTH ]; - silk_float minInvGain; - - /* Weighting for weighted least squares */ - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - silk_assert( psEncCtrl->Gains[ i ] > 0.0f ); - invGains[ i ] = 1.0f / psEncCtrl->Gains[ i ]; - Wght[ i ] = invGains[ i ] * invGains[ i ]; - } - - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /**********/ - /* VOICED */ - /**********/ - silk_assert( psEnc->sCmn.ltp_mem_length - psEnc->sCmn.predictLPCOrder >= psEncCtrl->pitchL[ 0 ] + LTP_ORDER / 2 ); - - /* LTP analysis */ - silk_find_LTP_FLP( psEncCtrl->LTPCoef, WLTP, &psEncCtrl->LTPredCodGain, res_pitch, - psEncCtrl->pitchL, Wght, psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr, psEnc->sCmn.ltp_mem_length ); - - /* Quantize LTP gain parameters */ - silk_quant_LTP_gains_FLP( psEncCtrl->LTPCoef, psEnc->sCmn.indices.LTPIndex, &psEnc->sCmn.indices.PERIndex, - &psEnc->sCmn.sum_log_gain_Q7, WLTP, psEnc->sCmn.mu_LTP_Q9, psEnc->sCmn.LTPQuantLowComplexity, psEnc->sCmn.nb_subfr ); - - /* Control LTP scaling */ - silk_LTP_scale_ctrl_FLP( psEnc, psEncCtrl, condCoding ); - - /* Create LTP residual */ - silk_LTP_analysis_filter_FLP( LPC_in_pre, x - psEnc->sCmn.predictLPCOrder, psEncCtrl->LTPCoef, - psEncCtrl->pitchL, invGains, psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr, psEnc->sCmn.predictLPCOrder ); - } else { - /************/ - /* UNVOICED */ - /************/ - /* Create signal with prepended subframes, scaled by inverse gains */ - x_ptr = x - psEnc->sCmn.predictLPCOrder; - x_pre_ptr = LPC_in_pre; - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - silk_scale_copy_vector_FLP( x_pre_ptr, x_ptr, invGains[ i ], - psEnc->sCmn.subfr_length + psEnc->sCmn.predictLPCOrder ); - x_pre_ptr += psEnc->sCmn.subfr_length + psEnc->sCmn.predictLPCOrder; - x_ptr += psEnc->sCmn.subfr_length; - } - silk_memset( psEncCtrl->LTPCoef, 0, psEnc->sCmn.nb_subfr * LTP_ORDER * sizeof( silk_float ) ); - psEncCtrl->LTPredCodGain = 0.0f; - psEnc->sCmn.sum_log_gain_Q7 = 0; - } - - /* Limit on total predictive coding gain */ - if( psEnc->sCmn.first_frame_after_reset ) { - minInvGain = 1.0f / MAX_PREDICTION_POWER_GAIN_AFTER_RESET; - } else { - minInvGain = (silk_float)pow( 2, psEncCtrl->LTPredCodGain / 3 ) / MAX_PREDICTION_POWER_GAIN; - minInvGain /= 0.25f + 0.75f * psEncCtrl->coding_quality; - } - - /* LPC_in_pre contains the LTP-filtered input for voiced, and the unfiltered input for unvoiced */ - silk_find_LPC_FLP( &psEnc->sCmn, NLSF_Q15, LPC_in_pre, minInvGain ); - - /* Quantize LSFs */ - silk_process_NLSFs_FLP( &psEnc->sCmn, psEncCtrl->PredCoef, NLSF_Q15, psEnc->sCmn.prev_NLSFq_Q15 ); - - /* Calculate residual energy using quantized LPC coefficients */ - silk_residual_energy_FLP( psEncCtrl->ResNrg, LPC_in_pre, psEncCtrl->PredCoef, psEncCtrl->Gains, - psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr, psEnc->sCmn.predictLPCOrder ); - - /* Copy to prediction struct for use in next frame for interpolation */ - silk_memcpy( psEnc->sCmn.prev_NLSFq_Q15, NLSF_Q15, sizeof( psEnc->sCmn.prev_NLSFq_Q15 ) ); -} - diff --git a/src/opus-1.1/silk/float/inner_product_FLP.c b/src/opus-1.1/silk/float/inner_product_FLP.c deleted file mode 100644 index 029c0129..00000000 --- a/src/opus-1.1/silk/float/inner_product_FLP.c +++ /dev/null @@ -1,60 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* inner product of two silk_float arrays, with result as double */ -double silk_inner_product_FLP( - const silk_float *data1, - const silk_float *data2, - opus_int dataSize -) -{ - opus_int i, dataSize4; - double result; - - /* 4x unrolled loop */ - result = 0.0; - dataSize4 = dataSize & 0xFFFC; - for( i = 0; i < dataSize4; i += 4 ) { - result += data1[ i + 0 ] * (double)data2[ i + 0 ] + - data1[ i + 1 ] * (double)data2[ i + 1 ] + - data1[ i + 2 ] * (double)data2[ i + 2 ] + - data1[ i + 3 ] * (double)data2[ i + 3 ]; - } - - /* add any remaining products */ - for( ; i < dataSize; i++ ) { - result += data1[ i ] * (double)data2[ i ]; - } - - return result; -} diff --git a/src/opus-1.1/silk/float/k2a_FLP.c b/src/opus-1.1/silk/float/k2a_FLP.c deleted file mode 100644 index 12af4e76..00000000 --- a/src/opus-1.1/silk/float/k2a_FLP.c +++ /dev/null @@ -1,53 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* step up function, converts reflection coefficients to prediction coefficients */ -void silk_k2a_FLP( - silk_float *A, /* O prediction coefficients [order] */ - const silk_float *rc, /* I reflection coefficients [order] */ - opus_int32 order /* I prediction order */ -) -{ - opus_int k, n; - silk_float Atmp[ SILK_MAX_ORDER_LPC ]; - - for( k = 0; k < order; k++ ) { - for( n = 0; n < k; n++ ) { - Atmp[ n ] = A[ n ]; - } - for( n = 0; n < k; n++ ) { - A[ n ] += Atmp[ k - n - 1 ] * rc[ k ]; - } - A[ k ] = -rc[ k ]; - } -} diff --git a/src/opus-1.1/silk/float/levinsondurbin_FLP.c b/src/opus-1.1/silk/float/levinsondurbin_FLP.c deleted file mode 100644 index f0ba6069..00000000 --- a/src/opus-1.1/silk/float/levinsondurbin_FLP.c +++ /dev/null @@ -1,81 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* Solve the normal equations using the Levinson-Durbin recursion */ -silk_float silk_levinsondurbin_FLP( /* O prediction error energy */ - silk_float A[], /* O prediction coefficients [order] */ - const silk_float corr[], /* I input auto-correlations [order + 1] */ - const opus_int order /* I prediction order */ -) -{ - opus_int i, mHalf, m; - silk_float min_nrg, nrg, t, km, Atmp1, Atmp2; - - min_nrg = 1e-12f * corr[ 0 ] + 1e-9f; - nrg = corr[ 0 ]; - nrg = silk_max_float(min_nrg, nrg); - A[ 0 ] = corr[ 1 ] / nrg; - nrg -= A[ 0 ] * corr[ 1 ]; - nrg = silk_max_float(min_nrg, nrg); - - for( m = 1; m < order; m++ ) - { - t = corr[ m + 1 ]; - for( i = 0; i < m; i++ ) { - t -= A[ i ] * corr[ m - i ]; - } - - /* reflection coefficient */ - km = t / nrg; - - /* residual energy */ - nrg -= km * t; - nrg = silk_max_float(min_nrg, nrg); - - mHalf = m >> 1; - for( i = 0; i < mHalf; i++ ) { - Atmp1 = A[ i ]; - Atmp2 = A[ m - i - 1 ]; - A[ m - i - 1 ] -= km * Atmp1; - A[ i ] -= km * Atmp2; - } - if( m & 1 ) { - A[ mHalf ] -= km * A[ mHalf ]; - } - A[ m ] = km; - } - - /* return the residual energy */ - return nrg; -} - diff --git a/src/opus-1.1/silk/float/main_FLP.h b/src/opus-1.1/silk/float/main_FLP.h deleted file mode 100644 index fb553b61..00000000 --- a/src/opus-1.1/silk/float/main_FLP.h +++ /dev/null @@ -1,312 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_MAIN_FLP_H -#define SILK_MAIN_FLP_H - -#include "SigProc_FLP.h" -#include "SigProc_FIX.h" -#include "structs_FLP.h" -#include "main.h" -#include "define.h" -#include "debug.h" -#include "entenc.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -#define silk_encoder_state_Fxx silk_encoder_state_FLP -#define silk_encode_do_VAD_Fxx silk_encode_do_VAD_FLP -#define silk_encode_frame_Fxx silk_encode_frame_FLP - -/*********************/ -/* Encoder Functions */ -/*********************/ - -/* High-pass filter with cutoff frequency adaptation based on pitch lag statistics */ -void silk_HP_variable_cutoff( - silk_encoder_state_Fxx state_Fxx[] /* I/O Encoder states */ -); - -/* Encoder main function */ -void silk_encode_do_VAD_FLP( - silk_encoder_state_FLP *psEnc /* I/O Encoder state FLP */ -); - -/* Encoder main function */ -opus_int silk_encode_frame_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - opus_int32 *pnBytesOut, /* O Number of payload bytes; */ - ec_enc *psRangeEnc, /* I/O compressor data structure */ - opus_int condCoding, /* I The type of conditional coding to use */ - opus_int maxBits, /* I If > 0: maximum number of output bits */ - opus_int useCBR /* I Flag to force constant-bitrate operation */ -); - -/* Initializes the Silk encoder state */ -opus_int silk_init_encoder( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - int arch /* I Run-tim architecture */ -); - -/* Control the Silk encoder */ -opus_int silk_control_encoder( - silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */ - silk_EncControlStruct *encControl, /* I Control structure */ - const opus_int32 TargetRate_bps, /* I Target max bitrate (bps) */ - const opus_int allow_bw_switch, /* I Flag to allow switching audio bandwidth */ - const opus_int channelNb, /* I Channel number */ - const opus_int force_fs_kHz -); - -/****************/ -/* Prefiltering */ -/****************/ -void silk_prefilter_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - const silk_encoder_control_FLP *psEncCtrl, /* I Encoder control FLP */ - silk_float xw[], /* O Weighted signal */ - const silk_float x[] /* I Speech signal */ -); - -/**************************/ -/* Noise shaping analysis */ -/**************************/ -/* Compute noise shaping coefficients and initial gain values */ -void silk_noise_shape_analysis_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - const silk_float *pitch_res, /* I LPC residual from pitch analysis */ - const silk_float *x /* I Input signal [frame_length + la_shape] */ -); - -/* Autocorrelations for a warped frequency axis */ -void silk_warped_autocorrelation_FLP( - silk_float *corr, /* O Result [order + 1] */ - const silk_float *input, /* I Input data to correlate */ - const silk_float warping, /* I Warping coefficient */ - const opus_int length, /* I Length of input */ - const opus_int order /* I Correlation order (even) */ -); - -/* Calculation of LTP state scaling */ -void silk_LTP_scale_ctrl_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/**********************************************/ -/* Prediction Analysis */ -/**********************************************/ -/* Find pitch lags */ -void silk_find_pitch_lags_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - silk_float res[], /* O Residual */ - const silk_float x[], /* I Speech signal */ - int arch /* I Run-time architecture */ -); - -/* Find LPC and LTP coefficients */ -void silk_find_pred_coefs_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - const silk_float res_pitch[], /* I Residual from pitch analysis */ - const silk_float x[], /* I Speech signal */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/* LPC analysis */ -void silk_find_LPC_FLP( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 NLSF_Q15[], /* O NLSFs */ - const silk_float x[], /* I Input signal */ - const silk_float minInvGain /* I Prediction gain from LTP (dB) */ -); - -/* LTP analysis */ -void silk_find_LTP_FLP( - silk_float b[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ - silk_float WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */ - silk_float *LTPredCodGain, /* O LTP coding gain */ - const silk_float r_lpc[], /* I LPC residual */ - const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ - const silk_float Wght[ MAX_NB_SUBFR ], /* I Weights */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int mem_offset /* I Number of samples in LTP memory */ -); - -void silk_LTP_analysis_filter_FLP( - silk_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */ - const silk_float *x, /* I Input signal, with preceding samples */ - const silk_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ - const silk_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */ - const opus_int subfr_length, /* I Length of each subframe */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int pre_length /* I Preceding samples for each subframe */ -); - -/* Calculates residual energies of input subframes where all subframes have LPC_order */ -/* of preceding samples */ -void silk_residual_energy_FLP( - silk_float nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ - const silk_float x[], /* I Input signal */ - silk_float a[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ - const silk_float gains[], /* I Quantization gains */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int LPC_order /* I LPC order */ -); - -/* 16th order LPC analysis filter */ -void silk_LPC_analysis_filter_FLP( - silk_float r_LPC[], /* O LPC residual signal */ - const silk_float PredCoef[], /* I LPC coefficients */ - const silk_float s[], /* I Input signal */ - const opus_int length, /* I Length of input signal */ - const opus_int Order /* I LPC order */ -); - -/* LTP tap quantizer */ -void silk_quant_LTP_gains_FLP( - silk_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (Un-)quantized LTP gains */ - opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook index */ - opus_int8 *periodicity_index, /* O Periodicity index */ - opus_int32 *sum_log_gain_Q7, /* I/O Cumulative max prediction gain */ - const silk_float W[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* I Error weights */ - const opus_int mu_Q10, /* I Mu value (R/D tradeoff) */ - const opus_int lowComplexity, /* I Flag for low complexity */ - const opus_int nb_subfr /* I number of subframes */ -); - -/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */ -silk_float silk_residual_energy_covar_FLP( /* O Weighted residual energy */ - const silk_float *c, /* I Filter coefficients */ - silk_float *wXX, /* I/O Weighted correlation matrix, reg. out */ - const silk_float *wXx, /* I Weighted correlation vector */ - const silk_float wxx, /* I Weighted correlation value */ - const opus_int D /* I Dimension */ -); - -/* Processing of gains */ -void silk_process_gains_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/******************/ -/* Linear Algebra */ -/******************/ -/* Calculates correlation matrix X'*X */ -void silk_corrMatrix_FLP( - const silk_float *x, /* I x vector [ L+order-1 ] used to create X */ - const opus_int L, /* I Length of vectors */ - const opus_int Order, /* I Max lag for correlation */ - silk_float *XX /* O X'*X correlation matrix [order x order] */ -); - -/* Calculates correlation vector X'*t */ -void silk_corrVector_FLP( - const silk_float *x, /* I x vector [L+order-1] used to create X */ - const silk_float *t, /* I Target vector [L] */ - const opus_int L, /* I Length of vecors */ - const opus_int Order, /* I Max lag for correlation */ - silk_float *Xt /* O X'*t correlation vector [order] */ -); - -/* Add noise to matrix diagonal */ -void silk_regularize_correlations_FLP( - silk_float *XX, /* I/O Correlation matrices */ - silk_float *xx, /* I/O Correlation values */ - const silk_float noise, /* I Noise energy to add */ - const opus_int D /* I Dimension of XX */ -); - -/* Function to solve linear equation Ax = b, where A is an MxM symmetric matrix */ -void silk_solve_LDL_FLP( - silk_float *A, /* I/O Symmetric square matrix, out: reg. */ - const opus_int M, /* I Size of matrix */ - const silk_float *b, /* I Pointer to b vector */ - silk_float *x /* O Pointer to x solution vector */ -); - -/* Apply sine window to signal vector. */ -/* Window types: */ -/* 1 -> sine window from 0 to pi/2 */ -/* 2 -> sine window from pi/2 to pi */ -void silk_apply_sine_window_FLP( - silk_float px_win[], /* O Pointer to windowed signal */ - const silk_float px[], /* I Pointer to input signal */ - const opus_int win_type, /* I Selects a window type */ - const opus_int length /* I Window length, multiple of 4 */ -); - -/* Wrapper functions. Call flp / fix code */ - -/* Convert AR filter coefficients to NLSF parameters */ -void silk_A2NLSF_FLP( - opus_int16 *NLSF_Q15, /* O NLSF vector [ LPC_order ] */ - const silk_float *pAR, /* I LPC coefficients [ LPC_order ] */ - const opus_int LPC_order /* I LPC order */ -); - -/* Convert NLSF parameters to AR prediction filter coefficients */ -void silk_NLSF2A_FLP( - silk_float *pAR, /* O LPC coefficients [ LPC_order ] */ - const opus_int16 *NLSF_Q15, /* I NLSF vector [ LPC_order ] */ - const opus_int LPC_order /* I LPC order */ -); - -/* Limit, stabilize, and quantize NLSFs */ -void silk_process_NLSFs_FLP( - silk_encoder_state *psEncC, /* I/O Encoder state */ - silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ], /* O Prediction coefficients */ - opus_int16 NLSF_Q15[ MAX_LPC_ORDER ], /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */ - const opus_int16 prev_NLSF_Q15[ MAX_LPC_ORDER ] /* I Previous Normalized LSFs (0 - (2^15-1)) */ -); - -/* Floating-point Silk NSQ wrapper */ -void silk_NSQ_wrapper_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - SideInfoIndices *psIndices, /* I/O Quantization indices */ - silk_nsq_state *psNSQ, /* I/O Noise Shaping Quantzation state */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const silk_float x[] /* I Prefiltered input signal */ -); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/float/noise_shape_analysis_FLP.c b/src/opus-1.1/silk/float/noise_shape_analysis_FLP.c deleted file mode 100644 index 65f6ea58..00000000 --- a/src/opus-1.1/silk/float/noise_shape_analysis_FLP.c +++ /dev/null @@ -1,365 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" -#include "tuning_parameters.h" - -/* Compute gain to make warped filter coefficients have a zero mean log frequency response on a */ -/* non-warped frequency scale. (So that it can be implemented with a minimum-phase monic filter.) */ -/* Note: A monic filter is one with the first coefficient equal to 1.0. In Silk we omit the first */ -/* coefficient in an array of coefficients, for monic filters. */ -static OPUS_INLINE silk_float warped_gain( - const silk_float *coefs, - silk_float lambda, - opus_int order -) { - opus_int i; - silk_float gain; - - lambda = -lambda; - gain = coefs[ order - 1 ]; - for( i = order - 2; i >= 0; i-- ) { - gain = lambda * gain + coefs[ i ]; - } - return (silk_float)( 1.0f / ( 1.0f - lambda * gain ) ); -} - -/* Convert warped filter coefficients to monic pseudo-warped coefficients and limit maximum */ -/* amplitude of monic warped coefficients by using bandwidth expansion on the true coefficients */ -static OPUS_INLINE void warped_true2monic_coefs( - silk_float *coefs_syn, - silk_float *coefs_ana, - silk_float lambda, - silk_float limit, - opus_int order -) { - opus_int i, iter, ind = 0; - silk_float tmp, maxabs, chirp, gain_syn, gain_ana; - - /* Convert to monic coefficients */ - for( i = order - 1; i > 0; i-- ) { - coefs_syn[ i - 1 ] -= lambda * coefs_syn[ i ]; - coefs_ana[ i - 1 ] -= lambda * coefs_ana[ i ]; - } - gain_syn = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_syn[ 0 ] ); - gain_ana = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_ana[ 0 ] ); - for( i = 0; i < order; i++ ) { - coefs_syn[ i ] *= gain_syn; - coefs_ana[ i ] *= gain_ana; - } - - /* Limit */ - for( iter = 0; iter < 10; iter++ ) { - /* Find maximum absolute value */ - maxabs = -1.0f; - for( i = 0; i < order; i++ ) { - tmp = silk_max( silk_abs_float( coefs_syn[ i ] ), silk_abs_float( coefs_ana[ i ] ) ); - if( tmp > maxabs ) { - maxabs = tmp; - ind = i; - } - } - if( maxabs <= limit ) { - /* Coefficients are within range - done */ - return; - } - - /* Convert back to true warped coefficients */ - for( i = 1; i < order; i++ ) { - coefs_syn[ i - 1 ] += lambda * coefs_syn[ i ]; - coefs_ana[ i - 1 ] += lambda * coefs_ana[ i ]; - } - gain_syn = 1.0f / gain_syn; - gain_ana = 1.0f / gain_ana; - for( i = 0; i < order; i++ ) { - coefs_syn[ i ] *= gain_syn; - coefs_ana[ i ] *= gain_ana; - } - - /* Apply bandwidth expansion */ - chirp = 0.99f - ( 0.8f + 0.1f * iter ) * ( maxabs - limit ) / ( maxabs * ( ind + 1 ) ); - silk_bwexpander_FLP( coefs_syn, order, chirp ); - silk_bwexpander_FLP( coefs_ana, order, chirp ); - - /* Convert to monic warped coefficients */ - for( i = order - 1; i > 0; i-- ) { - coefs_syn[ i - 1 ] -= lambda * coefs_syn[ i ]; - coefs_ana[ i - 1 ] -= lambda * coefs_ana[ i ]; - } - gain_syn = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_syn[ 0 ] ); - gain_ana = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_ana[ 0 ] ); - for( i = 0; i < order; i++ ) { - coefs_syn[ i ] *= gain_syn; - coefs_ana[ i ] *= gain_ana; - } - } - silk_assert( 0 ); -} - -/* Compute noise shaping coefficients and initial gain values */ -void silk_noise_shape_analysis_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - const silk_float *pitch_res, /* I LPC residual from pitch analysis */ - const silk_float *x /* I Input signal [frame_length + la_shape] */ -) -{ - silk_shape_state_FLP *psShapeSt = &psEnc->sShape; - opus_int k, nSamples; - silk_float SNR_adj_dB, HarmBoost, HarmShapeGain, Tilt; - silk_float nrg, pre_nrg, log_energy, log_energy_prev, energy_variation; - silk_float delta, BWExp1, BWExp2, gain_mult, gain_add, strength, b, warping; - silk_float x_windowed[ SHAPE_LPC_WIN_MAX ]; - silk_float auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; - const silk_float *x_ptr, *pitch_res_ptr; - - /* Point to start of first LPC analysis block */ - x_ptr = x - psEnc->sCmn.la_shape; - - /****************/ - /* GAIN CONTROL */ - /****************/ - SNR_adj_dB = psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f ); - - /* Input quality is the average of the quality in the lowest two VAD bands */ - psEncCtrl->input_quality = 0.5f * ( psEnc->sCmn.input_quality_bands_Q15[ 0 ] + psEnc->sCmn.input_quality_bands_Q15[ 1 ] ) * ( 1.0f / 32768.0f ); - - /* Coding quality level, between 0.0 and 1.0 */ - psEncCtrl->coding_quality = silk_sigmoid( 0.25f * ( SNR_adj_dB - 20.0f ) ); - - if( psEnc->sCmn.useCBR == 0 ) { - /* Reduce coding SNR during low speech activity */ - b = 1.0f - psEnc->sCmn.speech_activity_Q8 * ( 1.0f / 256.0f ); - SNR_adj_dB -= BG_SNR_DECR_dB * psEncCtrl->coding_quality * ( 0.5f + 0.5f * psEncCtrl->input_quality ) * b * b; - } - - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Reduce gains for periodic signals */ - SNR_adj_dB += HARM_SNR_INCR_dB * psEnc->LTPCorr; - } else { - /* For unvoiced signals and low-quality input, adjust the quality slower than SNR_dB setting */ - SNR_adj_dB += ( -0.4f * psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f ) + 6.0f ) * ( 1.0f - psEncCtrl->input_quality ); - } - - /*************************/ - /* SPARSENESS PROCESSING */ - /*************************/ - /* Set quantizer offset */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Initially set to 0; may be overruled in process_gains(..) */ - psEnc->sCmn.indices.quantOffsetType = 0; - psEncCtrl->sparseness = 0.0f; - } else { - /* Sparseness measure, based on relative fluctuations of energy per 2 milliseconds */ - nSamples = 2 * psEnc->sCmn.fs_kHz; - energy_variation = 0.0f; - log_energy_prev = 0.0f; - pitch_res_ptr = pitch_res; - for( k = 0; k < silk_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr ) / 2; k++ ) { - nrg = ( silk_float )nSamples + ( silk_float )silk_energy_FLP( pitch_res_ptr, nSamples ); - log_energy = silk_log2( nrg ); - if( k > 0 ) { - energy_variation += silk_abs_float( log_energy - log_energy_prev ); - } - log_energy_prev = log_energy; - pitch_res_ptr += nSamples; - } - psEncCtrl->sparseness = silk_sigmoid( 0.4f * ( energy_variation - 5.0f ) ); - - /* Set quantization offset depending on sparseness measure */ - if( psEncCtrl->sparseness > SPARSENESS_THRESHOLD_QNT_OFFSET ) { - psEnc->sCmn.indices.quantOffsetType = 0; - } else { - psEnc->sCmn.indices.quantOffsetType = 1; - } - - /* Increase coding SNR for sparse signals */ - SNR_adj_dB += SPARSE_SNR_INCR_dB * ( psEncCtrl->sparseness - 0.5f ); - } - - /*******************************/ - /* Control bandwidth expansion */ - /*******************************/ - /* More BWE for signals with high prediction gain */ - strength = FIND_PITCH_WHITE_NOISE_FRACTION * psEncCtrl->predGain; /* between 0.0 and 1.0 */ - BWExp1 = BWExp2 = BANDWIDTH_EXPANSION / ( 1.0f + strength * strength ); - delta = LOW_RATE_BANDWIDTH_EXPANSION_DELTA * ( 1.0f - 0.75f * psEncCtrl->coding_quality ); - BWExp1 -= delta; - BWExp2 += delta; - /* BWExp1 will be applied after BWExp2, so make it relative */ - BWExp1 /= BWExp2; - - if( psEnc->sCmn.warping_Q16 > 0 ) { - /* Slightly more warping in analysis will move quantization noise up in frequency, where it's better masked */ - warping = (silk_float)psEnc->sCmn.warping_Q16 / 65536.0f + 0.01f * psEncCtrl->coding_quality; - } else { - warping = 0.0f; - } - - /********************************************/ - /* Compute noise shaping AR coefs and gains */ - /********************************************/ - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - /* Apply window: sine slope followed by flat part followed by cosine slope */ - opus_int shift, slope_part, flat_part; - flat_part = psEnc->sCmn.fs_kHz * 3; - slope_part = ( psEnc->sCmn.shapeWinLength - flat_part ) / 2; - - silk_apply_sine_window_FLP( x_windowed, x_ptr, 1, slope_part ); - shift = slope_part; - silk_memcpy( x_windowed + shift, x_ptr + shift, flat_part * sizeof(silk_float) ); - shift += flat_part; - silk_apply_sine_window_FLP( x_windowed + shift, x_ptr + shift, 2, slope_part ); - - /* Update pointer: next LPC analysis block */ - x_ptr += psEnc->sCmn.subfr_length; - - if( psEnc->sCmn.warping_Q16 > 0 ) { - /* Calculate warped auto correlation */ - silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping, - psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder ); - } else { - /* Calculate regular auto correlation */ - silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1 ); - } - - /* Add white noise, as a fraction of energy */ - auto_corr[ 0 ] += auto_corr[ 0 ] * SHAPE_WHITE_NOISE_FRACTION; - - /* Convert correlations to prediction coefficients, and compute residual energy */ - nrg = silk_levinsondurbin_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], auto_corr, psEnc->sCmn.shapingLPCOrder ); - psEncCtrl->Gains[ k ] = ( silk_float )sqrt( nrg ); - - if( psEnc->sCmn.warping_Q16 > 0 ) { - /* Adjust gain for warping */ - psEncCtrl->Gains[ k ] *= warped_gain( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], warping, psEnc->sCmn.shapingLPCOrder ); - } - - /* Bandwidth expansion for synthesis filter shaping */ - silk_bwexpander_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder, BWExp2 ); - - /* Compute noise shaping filter coefficients */ - silk_memcpy( - &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], - &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], - psEnc->sCmn.shapingLPCOrder * sizeof( silk_float ) ); - - /* Bandwidth expansion for analysis filter shaping */ - silk_bwexpander_FLP( &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder, BWExp1 ); - - /* Ratio of prediction gains, in energy domain */ - pre_nrg = silk_LPC_inverse_pred_gain_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder ); - nrg = silk_LPC_inverse_pred_gain_FLP( &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder ); - psEncCtrl->GainsPre[ k ] = 1.0f - 0.7f * ( 1.0f - pre_nrg / nrg ); - - /* Convert to monic warped prediction coefficients and limit absolute values */ - warped_true2monic_coefs( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], - warping, 3.999f, psEnc->sCmn.shapingLPCOrder ); - } - - /*****************/ - /* Gain tweaking */ - /*****************/ - /* Increase gains during low speech activity */ - gain_mult = (silk_float)pow( 2.0f, -0.16f * SNR_adj_dB ); - gain_add = (silk_float)pow( 2.0f, 0.16f * MIN_QGAIN_DB ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->Gains[ k ] *= gain_mult; - psEncCtrl->Gains[ k ] += gain_add; - } - - gain_mult = 1.0f + INPUT_TILT + psEncCtrl->coding_quality * HIGH_RATE_INPUT_TILT; - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->GainsPre[ k ] *= gain_mult; - } - - /************************************************/ - /* Control low-frequency shaping and noise tilt */ - /************************************************/ - /* Less low frequency shaping for noisy inputs */ - strength = LOW_FREQ_SHAPING * ( 1.0f + LOW_QUALITY_LOW_FREQ_SHAPING_DECR * ( psEnc->sCmn.input_quality_bands_Q15[ 0 ] * ( 1.0f / 32768.0f ) - 1.0f ) ); - strength *= psEnc->sCmn.speech_activity_Q8 * ( 1.0f / 256.0f ); - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Reduce low frequencies quantization noise for periodic signals, depending on pitch lag */ - /*f = 400; freqz([1, -0.98 + 2e-4 * f], [1, -0.97 + 7e-4 * f], 2^12, Fs); axis([0, 1000, -10, 1])*/ - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - b = 0.2f / psEnc->sCmn.fs_kHz + 3.0f / psEncCtrl->pitchL[ k ]; - psEncCtrl->LF_MA_shp[ k ] = -1.0f + b; - psEncCtrl->LF_AR_shp[ k ] = 1.0f - b - b * strength; - } - Tilt = - HP_NOISE_COEF - - (1 - HP_NOISE_COEF) * HARM_HP_NOISE_COEF * psEnc->sCmn.speech_activity_Q8 * ( 1.0f / 256.0f ); - } else { - b = 1.3f / psEnc->sCmn.fs_kHz; - psEncCtrl->LF_MA_shp[ 0 ] = -1.0f + b; - psEncCtrl->LF_AR_shp[ 0 ] = 1.0f - b - b * strength * 0.6f; - for( k = 1; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->LF_MA_shp[ k ] = psEncCtrl->LF_MA_shp[ 0 ]; - psEncCtrl->LF_AR_shp[ k ] = psEncCtrl->LF_AR_shp[ 0 ]; - } - Tilt = -HP_NOISE_COEF; - } - - /****************************/ - /* HARMONIC SHAPING CONTROL */ - /****************************/ - /* Control boosting of harmonic frequencies */ - HarmBoost = LOW_RATE_HARMONIC_BOOST * ( 1.0f - psEncCtrl->coding_quality ) * psEnc->LTPCorr; - - /* More harmonic boost for noisy input signals */ - HarmBoost += LOW_INPUT_QUALITY_HARMONIC_BOOST * ( 1.0f - psEncCtrl->input_quality ); - - if( USE_HARM_SHAPING && psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - /* Harmonic noise shaping */ - HarmShapeGain = HARMONIC_SHAPING; - - /* More harmonic noise shaping for high bitrates or noisy input */ - HarmShapeGain += HIGH_RATE_OR_LOW_QUALITY_HARMONIC_SHAPING * - ( 1.0f - ( 1.0f - psEncCtrl->coding_quality ) * psEncCtrl->input_quality ); - - /* Less harmonic noise shaping for less periodic signals */ - HarmShapeGain *= ( silk_float )sqrt( psEnc->LTPCorr ); - } else { - HarmShapeGain = 0.0f; - } - - /*************************/ - /* Smooth over subframes */ - /*************************/ - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psShapeSt->HarmBoost_smth += SUBFR_SMTH_COEF * ( HarmBoost - psShapeSt->HarmBoost_smth ); - psEncCtrl->HarmBoost[ k ] = psShapeSt->HarmBoost_smth; - psShapeSt->HarmShapeGain_smth += SUBFR_SMTH_COEF * ( HarmShapeGain - psShapeSt->HarmShapeGain_smth ); - psEncCtrl->HarmShapeGain[ k ] = psShapeSt->HarmShapeGain_smth; - psShapeSt->Tilt_smth += SUBFR_SMTH_COEF * ( Tilt - psShapeSt->Tilt_smth ); - psEncCtrl->Tilt[ k ] = psShapeSt->Tilt_smth; - } -} diff --git a/src/opus-1.1/silk/float/pitch_analysis_core_FLP.c b/src/opus-1.1/silk/float/pitch_analysis_core_FLP.c deleted file mode 100644 index e58f041b..00000000 --- a/src/opus-1.1/silk/float/pitch_analysis_core_FLP.c +++ /dev/null @@ -1,630 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/***************************************************************************** -* Pitch analyser function -******************************************************************************/ -#include "SigProc_FLP.h" -#include "SigProc_FIX.h" -#include "pitch_est_defines.h" -#include "pitch.h" - -#define SCRATCH_SIZE 22 - -/************************************************************/ -/* Internally used functions */ -/************************************************************/ -static void silk_P_Ana_calc_corr_st3( - silk_float cross_corr_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ], /* O 3 DIM correlation array */ - const silk_float frame[], /* I vector to correlate */ - opus_int start_lag, /* I start lag */ - opus_int sf_length, /* I sub frame length */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity, /* I Complexity setting */ - int arch /* I Run-time architecture */ -); - -static void silk_P_Ana_calc_energy_st3( - silk_float energies_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ], /* O 3 DIM correlation array */ - const silk_float frame[], /* I vector to correlate */ - opus_int start_lag, /* I start lag */ - opus_int sf_length, /* I sub frame length */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity /* I Complexity setting */ -); - -/************************************************************/ -/* CORE PITCH ANALYSIS FUNCTION */ -/************************************************************/ -opus_int silk_pitch_analysis_core_FLP( /* O Voicing estimate: 0 voiced, 1 unvoiced */ - const silk_float *frame, /* I Signal of length PE_FRAME_LENGTH_MS*Fs_kHz */ - opus_int *pitch_out, /* O Pitch lag values [nb_subfr] */ - opus_int16 *lagIndex, /* O Lag Index */ - opus_int8 *contourIndex, /* O Pitch contour Index */ - silk_float *LTPCorr, /* I/O Normalized correlation; input: value from previous frame */ - opus_int prevLag, /* I Last lag of previous frame; set to zero is unvoiced */ - const silk_float search_thres1, /* I First stage threshold for lag candidates 0 - 1 */ - const silk_float search_thres2, /* I Final threshold for lag candidates 0 - 1 */ - const opus_int Fs_kHz, /* I sample frequency (kHz) */ - const opus_int complexity, /* I Complexity setting, 0-2, where 2 is highest */ - const opus_int nb_subfr, /* I Number of 5 ms subframes */ - int arch /* I Run-time architecture */ -) -{ - opus_int i, k, d, j; - silk_float frame_8kHz[ PE_MAX_FRAME_LENGTH_MS * 8 ]; - silk_float frame_4kHz[ PE_MAX_FRAME_LENGTH_MS * 4 ]; - opus_int16 frame_8_FIX[ PE_MAX_FRAME_LENGTH_MS * 8 ]; - opus_int16 frame_4_FIX[ PE_MAX_FRAME_LENGTH_MS * 4 ]; - opus_int32 filt_state[ 6 ]; - silk_float threshold, contour_bias; - silk_float C[ PE_MAX_NB_SUBFR][ (PE_MAX_LAG >> 1) + 5 ]; - opus_val32 xcorr[ PE_MAX_LAG_MS * 4 - PE_MIN_LAG_MS * 4 + 1 ]; - silk_float CC[ PE_NB_CBKS_STAGE2_EXT ]; - const silk_float *target_ptr, *basis_ptr; - double cross_corr, normalizer, energy, energy_tmp; - opus_int d_srch[ PE_D_SRCH_LENGTH ]; - opus_int16 d_comp[ (PE_MAX_LAG >> 1) + 5 ]; - opus_int length_d_srch, length_d_comp; - silk_float Cmax, CCmax, CCmax_b, CCmax_new_b, CCmax_new; - opus_int CBimax, CBimax_new, lag, start_lag, end_lag, lag_new; - opus_int cbk_size; - silk_float lag_log2, prevLag_log2, delta_lag_log2_sqr; - silk_float energies_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ]; - silk_float cross_corr_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ]; - opus_int lag_counter; - opus_int frame_length, frame_length_8kHz, frame_length_4kHz; - opus_int sf_length, sf_length_8kHz, sf_length_4kHz; - opus_int min_lag, min_lag_8kHz, min_lag_4kHz; - opus_int max_lag, max_lag_8kHz, max_lag_4kHz; - opus_int nb_cbk_search; - const opus_int8 *Lag_CB_ptr; - - /* Check for valid sampling frequency */ - silk_assert( Fs_kHz == 8 || Fs_kHz == 12 || Fs_kHz == 16 ); - - /* Check for valid complexity setting */ - silk_assert( complexity >= SILK_PE_MIN_COMPLEX ); - silk_assert( complexity <= SILK_PE_MAX_COMPLEX ); - - silk_assert( search_thres1 >= 0.0f && search_thres1 <= 1.0f ); - silk_assert( search_thres2 >= 0.0f && search_thres2 <= 1.0f ); - - /* Set up frame lengths max / min lag for the sampling frequency */ - frame_length = ( PE_LTP_MEM_LENGTH_MS + nb_subfr * PE_SUBFR_LENGTH_MS ) * Fs_kHz; - frame_length_4kHz = ( PE_LTP_MEM_LENGTH_MS + nb_subfr * PE_SUBFR_LENGTH_MS ) * 4; - frame_length_8kHz = ( PE_LTP_MEM_LENGTH_MS + nb_subfr * PE_SUBFR_LENGTH_MS ) * 8; - sf_length = PE_SUBFR_LENGTH_MS * Fs_kHz; - sf_length_4kHz = PE_SUBFR_LENGTH_MS * 4; - sf_length_8kHz = PE_SUBFR_LENGTH_MS * 8; - min_lag = PE_MIN_LAG_MS * Fs_kHz; - min_lag_4kHz = PE_MIN_LAG_MS * 4; - min_lag_8kHz = PE_MIN_LAG_MS * 8; - max_lag = PE_MAX_LAG_MS * Fs_kHz - 1; - max_lag_4kHz = PE_MAX_LAG_MS * 4; - max_lag_8kHz = PE_MAX_LAG_MS * 8 - 1; - - /* Resample from input sampled at Fs_kHz to 8 kHz */ - if( Fs_kHz == 16 ) { - /* Resample to 16 -> 8 khz */ - opus_int16 frame_16_FIX[ 16 * PE_MAX_FRAME_LENGTH_MS ]; - silk_float2short_array( frame_16_FIX, frame, frame_length ); - silk_memset( filt_state, 0, 2 * sizeof( opus_int32 ) ); - silk_resampler_down2( filt_state, frame_8_FIX, frame_16_FIX, frame_length ); - silk_short2float_array( frame_8kHz, frame_8_FIX, frame_length_8kHz ); - } else if( Fs_kHz == 12 ) { - /* Resample to 12 -> 8 khz */ - opus_int16 frame_12_FIX[ 12 * PE_MAX_FRAME_LENGTH_MS ]; - silk_float2short_array( frame_12_FIX, frame, frame_length ); - silk_memset( filt_state, 0, 6 * sizeof( opus_int32 ) ); - silk_resampler_down2_3( filt_state, frame_8_FIX, frame_12_FIX, frame_length ); - silk_short2float_array( frame_8kHz, frame_8_FIX, frame_length_8kHz ); - } else { - silk_assert( Fs_kHz == 8 ); - silk_float2short_array( frame_8_FIX, frame, frame_length_8kHz ); - } - - /* Decimate again to 4 kHz */ - silk_memset( filt_state, 0, 2 * sizeof( opus_int32 ) ); - silk_resampler_down2( filt_state, frame_4_FIX, frame_8_FIX, frame_length_8kHz ); - silk_short2float_array( frame_4kHz, frame_4_FIX, frame_length_4kHz ); - - /* Low-pass filter */ - for( i = frame_length_4kHz - 1; i > 0; i-- ) { - frame_4kHz[ i ] += frame_4kHz[ i - 1 ]; - } - - /****************************************************************************** - * FIRST STAGE, operating in 4 khz - ******************************************************************************/ - silk_memset(C, 0, sizeof(silk_float) * nb_subfr * ((PE_MAX_LAG >> 1) + 5)); - target_ptr = &frame_4kHz[ silk_LSHIFT( sf_length_4kHz, 2 ) ]; - for( k = 0; k < nb_subfr >> 1; k++ ) { - /* Check that we are within range of the array */ - silk_assert( target_ptr >= frame_4kHz ); - silk_assert( target_ptr + sf_length_8kHz <= frame_4kHz + frame_length_4kHz ); - - basis_ptr = target_ptr - min_lag_4kHz; - - /* Check that we are within range of the array */ - silk_assert( basis_ptr >= frame_4kHz ); - silk_assert( basis_ptr + sf_length_8kHz <= frame_4kHz + frame_length_4kHz ); - - celt_pitch_xcorr( target_ptr, target_ptr-max_lag_4kHz, xcorr, sf_length_8kHz, max_lag_4kHz - min_lag_4kHz + 1, arch ); - - /* Calculate first vector products before loop */ - cross_corr = xcorr[ max_lag_4kHz - min_lag_4kHz ]; - normalizer = silk_energy_FLP( target_ptr, sf_length_8kHz ) + - silk_energy_FLP( basis_ptr, sf_length_8kHz ) + - sf_length_8kHz * 4000.0f; - - C[ 0 ][ min_lag_4kHz ] += (silk_float)( 2 * cross_corr / normalizer ); - - /* From now on normalizer is computed recursively */ - for( d = min_lag_4kHz + 1; d <= max_lag_4kHz; d++ ) { - basis_ptr--; - - /* Check that we are within range of the array */ - silk_assert( basis_ptr >= frame_4kHz ); - silk_assert( basis_ptr + sf_length_8kHz <= frame_4kHz + frame_length_4kHz ); - - cross_corr = xcorr[ max_lag_4kHz - d ]; - - /* Add contribution of new sample and remove contribution from oldest sample */ - normalizer += - basis_ptr[ 0 ] * (double)basis_ptr[ 0 ] - - basis_ptr[ sf_length_8kHz ] * (double)basis_ptr[ sf_length_8kHz ]; - C[ 0 ][ d ] += (silk_float)( 2 * cross_corr / normalizer ); - } - /* Update target pointer */ - target_ptr += sf_length_8kHz; - } - - /* Apply short-lag bias */ - for( i = max_lag_4kHz; i >= min_lag_4kHz; i-- ) { - C[ 0 ][ i ] -= C[ 0 ][ i ] * i / 4096.0f; - } - - /* Sort */ - length_d_srch = 4 + 2 * complexity; - silk_assert( 3 * length_d_srch <= PE_D_SRCH_LENGTH ); - silk_insertion_sort_decreasing_FLP( &C[ 0 ][ min_lag_4kHz ], d_srch, max_lag_4kHz - min_lag_4kHz + 1, length_d_srch ); - - /* Escape if correlation is very low already here */ - Cmax = C[ 0 ][ min_lag_4kHz ]; - if( Cmax < 0.2f ) { - silk_memset( pitch_out, 0, nb_subfr * sizeof( opus_int ) ); - *LTPCorr = 0.0f; - *lagIndex = 0; - *contourIndex = 0; - return 1; - } - - threshold = search_thres1 * Cmax; - for( i = 0; i < length_d_srch; i++ ) { - /* Convert to 8 kHz indices for the sorted correlation that exceeds the threshold */ - if( C[ 0 ][ min_lag_4kHz + i ] > threshold ) { - d_srch[ i ] = silk_LSHIFT( d_srch[ i ] + min_lag_4kHz, 1 ); - } else { - length_d_srch = i; - break; - } - } - silk_assert( length_d_srch > 0 ); - - for( i = min_lag_8kHz - 5; i < max_lag_8kHz + 5; i++ ) { - d_comp[ i ] = 0; - } - for( i = 0; i < length_d_srch; i++ ) { - d_comp[ d_srch[ i ] ] = 1; - } - - /* Convolution */ - for( i = max_lag_8kHz + 3; i >= min_lag_8kHz; i-- ) { - d_comp[ i ] += d_comp[ i - 1 ] + d_comp[ i - 2 ]; - } - - length_d_srch = 0; - for( i = min_lag_8kHz; i < max_lag_8kHz + 1; i++ ) { - if( d_comp[ i + 1 ] > 0 ) { - d_srch[ length_d_srch ] = i; - length_d_srch++; - } - } - - /* Convolution */ - for( i = max_lag_8kHz + 3; i >= min_lag_8kHz; i-- ) { - d_comp[ i ] += d_comp[ i - 1 ] + d_comp[ i - 2 ] + d_comp[ i - 3 ]; - } - - length_d_comp = 0; - for( i = min_lag_8kHz; i < max_lag_8kHz + 4; i++ ) { - if( d_comp[ i ] > 0 ) { - d_comp[ length_d_comp ] = (opus_int16)( i - 2 ); - length_d_comp++; - } - } - - /********************************************************************************** - ** SECOND STAGE, operating at 8 kHz, on lag sections with high correlation - *************************************************************************************/ - /********************************************************************************* - * Find energy of each subframe projected onto its history, for a range of delays - *********************************************************************************/ - silk_memset( C, 0, PE_MAX_NB_SUBFR*((PE_MAX_LAG >> 1) + 5) * sizeof(silk_float)); - - if( Fs_kHz == 8 ) { - target_ptr = &frame[ PE_LTP_MEM_LENGTH_MS * 8 ]; - } else { - target_ptr = &frame_8kHz[ PE_LTP_MEM_LENGTH_MS * 8 ]; - } - for( k = 0; k < nb_subfr; k++ ) { - energy_tmp = silk_energy_FLP( target_ptr, sf_length_8kHz ) + 1.0; - for( j = 0; j < length_d_comp; j++ ) { - d = d_comp[ j ]; - basis_ptr = target_ptr - d; - cross_corr = silk_inner_product_FLP( basis_ptr, target_ptr, sf_length_8kHz ); - if( cross_corr > 0.0f ) { - energy = silk_energy_FLP( basis_ptr, sf_length_8kHz ); - C[ k ][ d ] = (silk_float)( 2 * cross_corr / ( energy + energy_tmp ) ); - } else { - C[ k ][ d ] = 0.0f; - } - } - target_ptr += sf_length_8kHz; - } - - /* search over lag range and lags codebook */ - /* scale factor for lag codebook, as a function of center lag */ - - CCmax = 0.0f; /* This value doesn't matter */ - CCmax_b = -1000.0f; - - CBimax = 0; /* To avoid returning undefined lag values */ - lag = -1; /* To check if lag with strong enough correlation has been found */ - - if( prevLag > 0 ) { - if( Fs_kHz == 12 ) { - prevLag = silk_LSHIFT( prevLag, 1 ) / 3; - } else if( Fs_kHz == 16 ) { - prevLag = silk_RSHIFT( prevLag, 1 ); - } - prevLag_log2 = silk_log2( (silk_float)prevLag ); - } else { - prevLag_log2 = 0; - } - - /* Set up stage 2 codebook based on number of subframes */ - if( nb_subfr == PE_MAX_NB_SUBFR ) { - cbk_size = PE_NB_CBKS_STAGE2_EXT; - Lag_CB_ptr = &silk_CB_lags_stage2[ 0 ][ 0 ]; - if( Fs_kHz == 8 && complexity > SILK_PE_MIN_COMPLEX ) { - /* If input is 8 khz use a larger codebook here because it is last stage */ - nb_cbk_search = PE_NB_CBKS_STAGE2_EXT; - } else { - nb_cbk_search = PE_NB_CBKS_STAGE2; - } - } else { - cbk_size = PE_NB_CBKS_STAGE2_10MS; - Lag_CB_ptr = &silk_CB_lags_stage2_10_ms[ 0 ][ 0 ]; - nb_cbk_search = PE_NB_CBKS_STAGE2_10MS; - } - - for( k = 0; k < length_d_srch; k++ ) { - d = d_srch[ k ]; - for( j = 0; j < nb_cbk_search; j++ ) { - CC[j] = 0.0f; - for( i = 0; i < nb_subfr; i++ ) { - /* Try all codebooks */ - CC[ j ] += C[ i ][ d + matrix_ptr( Lag_CB_ptr, i, j, cbk_size )]; - } - } - /* Find best codebook */ - CCmax_new = -1000.0f; - CBimax_new = 0; - for( i = 0; i < nb_cbk_search; i++ ) { - if( CC[ i ] > CCmax_new ) { - CCmax_new = CC[ i ]; - CBimax_new = i; - } - } - - /* Bias towards shorter lags */ - lag_log2 = silk_log2( (silk_float)d ); - CCmax_new_b = CCmax_new - PE_SHORTLAG_BIAS * nb_subfr * lag_log2; - - /* Bias towards previous lag */ - if( prevLag > 0 ) { - delta_lag_log2_sqr = lag_log2 - prevLag_log2; - delta_lag_log2_sqr *= delta_lag_log2_sqr; - CCmax_new_b -= PE_PREVLAG_BIAS * nb_subfr * (*LTPCorr) * delta_lag_log2_sqr / ( delta_lag_log2_sqr + 0.5f ); - } - - if( CCmax_new_b > CCmax_b && /* Find maximum biased correlation */ - CCmax_new > nb_subfr * search_thres2 /* Correlation needs to be high enough to be voiced */ - ) { - CCmax_b = CCmax_new_b; - CCmax = CCmax_new; - lag = d; - CBimax = CBimax_new; - } - } - - if( lag == -1 ) { - /* No suitable candidate found */ - silk_memset( pitch_out, 0, PE_MAX_NB_SUBFR * sizeof(opus_int) ); - *LTPCorr = 0.0f; - *lagIndex = 0; - *contourIndex = 0; - return 1; - } - - /* Output normalized correlation */ - *LTPCorr = (silk_float)( CCmax / nb_subfr ); - silk_assert( *LTPCorr >= 0.0f ); - - if( Fs_kHz > 8 ) { - /* Search in original signal */ - - /* Compensate for decimation */ - silk_assert( lag == silk_SAT16( lag ) ); - if( Fs_kHz == 12 ) { - lag = silk_RSHIFT_ROUND( silk_SMULBB( lag, 3 ), 1 ); - } else { /* Fs_kHz == 16 */ - lag = silk_LSHIFT( lag, 1 ); - } - - lag = silk_LIMIT_int( lag, min_lag, max_lag ); - start_lag = silk_max_int( lag - 2, min_lag ); - end_lag = silk_min_int( lag + 2, max_lag ); - lag_new = lag; /* to avoid undefined lag */ - CBimax = 0; /* to avoid undefined lag */ - - CCmax = -1000.0f; - - /* Calculate the correlations and energies needed in stage 3 */ - silk_P_Ana_calc_corr_st3( cross_corr_st3, frame, start_lag, sf_length, nb_subfr, complexity, arch ); - silk_P_Ana_calc_energy_st3( energies_st3, frame, start_lag, sf_length, nb_subfr, complexity ); - - lag_counter = 0; - silk_assert( lag == silk_SAT16( lag ) ); - contour_bias = PE_FLATCONTOUR_BIAS / lag; - - /* Set up cbk parameters according to complexity setting and frame length */ - if( nb_subfr == PE_MAX_NB_SUBFR ) { - nb_cbk_search = (opus_int)silk_nb_cbk_searchs_stage3[ complexity ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - } else { - nb_cbk_search = PE_NB_CBKS_STAGE3_10MS; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - } - - target_ptr = &frame[ PE_LTP_MEM_LENGTH_MS * Fs_kHz ]; - energy_tmp = silk_energy_FLP( target_ptr, nb_subfr * sf_length ) + 1.0; - for( d = start_lag; d <= end_lag; d++ ) { - for( j = 0; j < nb_cbk_search; j++ ) { - cross_corr = 0.0; - energy = energy_tmp; - for( k = 0; k < nb_subfr; k++ ) { - cross_corr += cross_corr_st3[ k ][ j ][ lag_counter ]; - energy += energies_st3[ k ][ j ][ lag_counter ]; - } - if( cross_corr > 0.0 ) { - CCmax_new = (silk_float)( 2 * cross_corr / energy ); - /* Reduce depending on flatness of contour */ - CCmax_new *= 1.0f - contour_bias * j; - } else { - CCmax_new = 0.0f; - } - - if( CCmax_new > CCmax && ( d + (opus_int)silk_CB_lags_stage3[ 0 ][ j ] ) <= max_lag ) { - CCmax = CCmax_new; - lag_new = d; - CBimax = j; - } - } - lag_counter++; - } - - for( k = 0; k < nb_subfr; k++ ) { - pitch_out[ k ] = lag_new + matrix_ptr( Lag_CB_ptr, k, CBimax, cbk_size ); - pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag, PE_MAX_LAG_MS * Fs_kHz ); - } - *lagIndex = (opus_int16)( lag_new - min_lag ); - *contourIndex = (opus_int8)CBimax; - } else { /* Fs_kHz == 8 */ - /* Save Lags */ - for( k = 0; k < nb_subfr; k++ ) { - pitch_out[ k ] = lag + matrix_ptr( Lag_CB_ptr, k, CBimax, cbk_size ); - pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag_8kHz, PE_MAX_LAG_MS * 8 ); - } - *lagIndex = (opus_int16)( lag - min_lag_8kHz ); - *contourIndex = (opus_int8)CBimax; - } - silk_assert( *lagIndex >= 0 ); - /* return as voiced */ - return 0; -} - -/*********************************************************************** - * Calculates the correlations used in stage 3 search. In order to cover - * the whole lag codebook for all the searched offset lags (lag +- 2), - * the following correlations are needed in each sub frame: - * - * sf1: lag range [-8,...,7] total 16 correlations - * sf2: lag range [-4,...,4] total 9 correlations - * sf3: lag range [-3,....4] total 8 correltions - * sf4: lag range [-6,....8] total 15 correlations - * - * In total 48 correlations. The direct implementation computed in worst - * case 4*12*5 = 240 correlations, but more likely around 120. - ***********************************************************************/ -static void silk_P_Ana_calc_corr_st3( - silk_float cross_corr_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ], /* O 3 DIM correlation array */ - const silk_float frame[], /* I vector to correlate */ - opus_int start_lag, /* I start lag */ - opus_int sf_length, /* I sub frame length */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity, /* I Complexity setting */ - int arch /* I Run-time architecture */ -) -{ - const silk_float *target_ptr; - opus_int i, j, k, lag_counter, lag_low, lag_high; - opus_int nb_cbk_search, delta, idx, cbk_size; - silk_float scratch_mem[ SCRATCH_SIZE ]; - opus_val32 xcorr[ SCRATCH_SIZE ]; - const opus_int8 *Lag_range_ptr, *Lag_CB_ptr; - - silk_assert( complexity >= SILK_PE_MIN_COMPLEX ); - silk_assert( complexity <= SILK_PE_MAX_COMPLEX ); - - if( nb_subfr == PE_MAX_NB_SUBFR ) { - Lag_range_ptr = &silk_Lag_range_stage3[ complexity ][ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - nb_cbk_search = silk_nb_cbk_searchs_stage3[ complexity ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - } else { - silk_assert( nb_subfr == PE_MAX_NB_SUBFR >> 1); - Lag_range_ptr = &silk_Lag_range_stage3_10_ms[ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - nb_cbk_search = PE_NB_CBKS_STAGE3_10MS; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - } - - target_ptr = &frame[ silk_LSHIFT( sf_length, 2 ) ]; /* Pointer to middle of frame */ - for( k = 0; k < nb_subfr; k++ ) { - lag_counter = 0; - - /* Calculate the correlations for each subframe */ - lag_low = matrix_ptr( Lag_range_ptr, k, 0, 2 ); - lag_high = matrix_ptr( Lag_range_ptr, k, 1, 2 ); - silk_assert(lag_high-lag_low+1 <= SCRATCH_SIZE); - celt_pitch_xcorr( target_ptr, target_ptr - start_lag - lag_high, xcorr, sf_length, lag_high - lag_low + 1, arch ); - for( j = lag_low; j <= lag_high; j++ ) { - silk_assert( lag_counter < SCRATCH_SIZE ); - scratch_mem[ lag_counter ] = xcorr[ lag_high - j ]; - lag_counter++; - } - - delta = matrix_ptr( Lag_range_ptr, k, 0, 2 ); - for( i = 0; i < nb_cbk_search; i++ ) { - /* Fill out the 3 dim array that stores the correlations for */ - /* each code_book vector for each start lag */ - idx = matrix_ptr( Lag_CB_ptr, k, i, cbk_size ) - delta; - for( j = 0; j < PE_NB_STAGE3_LAGS; j++ ) { - silk_assert( idx + j < SCRATCH_SIZE ); - silk_assert( idx + j < lag_counter ); - cross_corr_st3[ k ][ i ][ j ] = scratch_mem[ idx + j ]; - } - } - target_ptr += sf_length; - } -} - -/********************************************************************/ -/* Calculate the energies for first two subframes. The energies are */ -/* calculated recursively. */ -/********************************************************************/ -static void silk_P_Ana_calc_energy_st3( - silk_float energies_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ], /* O 3 DIM correlation array */ - const silk_float frame[], /* I vector to correlate */ - opus_int start_lag, /* I start lag */ - opus_int sf_length, /* I sub frame length */ - opus_int nb_subfr, /* I number of subframes */ - opus_int complexity /* I Complexity setting */ -) -{ - const silk_float *target_ptr, *basis_ptr; - double energy; - opus_int k, i, j, lag_counter; - opus_int nb_cbk_search, delta, idx, cbk_size, lag_diff; - silk_float scratch_mem[ SCRATCH_SIZE ]; - const opus_int8 *Lag_range_ptr, *Lag_CB_ptr; - - silk_assert( complexity >= SILK_PE_MIN_COMPLEX ); - silk_assert( complexity <= SILK_PE_MAX_COMPLEX ); - - if( nb_subfr == PE_MAX_NB_SUBFR ) { - Lag_range_ptr = &silk_Lag_range_stage3[ complexity ][ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3[ 0 ][ 0 ]; - nb_cbk_search = silk_nb_cbk_searchs_stage3[ complexity ]; - cbk_size = PE_NB_CBKS_STAGE3_MAX; - } else { - silk_assert( nb_subfr == PE_MAX_NB_SUBFR >> 1); - Lag_range_ptr = &silk_Lag_range_stage3_10_ms[ 0 ][ 0 ]; - Lag_CB_ptr = &silk_CB_lags_stage3_10_ms[ 0 ][ 0 ]; - nb_cbk_search = PE_NB_CBKS_STAGE3_10MS; - cbk_size = PE_NB_CBKS_STAGE3_10MS; - } - - target_ptr = &frame[ silk_LSHIFT( sf_length, 2 ) ]; - for( k = 0; k < nb_subfr; k++ ) { - lag_counter = 0; - - /* Calculate the energy for first lag */ - basis_ptr = target_ptr - ( start_lag + matrix_ptr( Lag_range_ptr, k, 0, 2 ) ); - energy = silk_energy_FLP( basis_ptr, sf_length ) + 1e-3; - silk_assert( energy >= 0.0 ); - scratch_mem[lag_counter] = (silk_float)energy; - lag_counter++; - - lag_diff = ( matrix_ptr( Lag_range_ptr, k, 1, 2 ) - matrix_ptr( Lag_range_ptr, k, 0, 2 ) + 1 ); - for( i = 1; i < lag_diff; i++ ) { - /* remove part outside new window */ - energy -= basis_ptr[sf_length - i] * (double)basis_ptr[sf_length - i]; - silk_assert( energy >= 0.0 ); - - /* add part that comes into window */ - energy += basis_ptr[ -i ] * (double)basis_ptr[ -i ]; - silk_assert( energy >= 0.0 ); - silk_assert( lag_counter < SCRATCH_SIZE ); - scratch_mem[lag_counter] = (silk_float)energy; - lag_counter++; - } - - delta = matrix_ptr( Lag_range_ptr, k, 0, 2 ); - for( i = 0; i < nb_cbk_search; i++ ) { - /* Fill out the 3 dim array that stores the correlations for */ - /* each code_book vector for each start lag */ - idx = matrix_ptr( Lag_CB_ptr, k, i, cbk_size ) - delta; - for( j = 0; j < PE_NB_STAGE3_LAGS; j++ ) { - silk_assert( idx + j < SCRATCH_SIZE ); - silk_assert( idx + j < lag_counter ); - energies_st3[ k ][ i ][ j ] = scratch_mem[ idx + j ]; - silk_assert( energies_st3[ k ][ i ][ j ] >= 0.0f ); - } - } - target_ptr += sf_length; - } -} diff --git a/src/opus-1.1/silk/float/prefilter_FLP.c b/src/opus-1.1/silk/float/prefilter_FLP.c deleted file mode 100644 index 8bc32fb4..00000000 --- a/src/opus-1.1/silk/float/prefilter_FLP.c +++ /dev/null @@ -1,206 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" -#include "tuning_parameters.h" - -/* -* Prefilter for finding Quantizer input signal -*/ -static OPUS_INLINE void silk_prefilt_FLP( - silk_prefilter_state_FLP *P, /* I/O state */ - silk_float st_res[], /* I */ - silk_float xw[], /* O */ - silk_float *HarmShapeFIR, /* I */ - silk_float Tilt, /* I */ - silk_float LF_MA_shp, /* I */ - silk_float LF_AR_shp, /* I */ - opus_int lag, /* I */ - opus_int length /* I */ -); - -static void silk_warped_LPC_analysis_filter_FLP( - silk_float state[], /* I/O State [order + 1] */ - silk_float res[], /* O Residual signal [length] */ - const silk_float coef[], /* I Coefficients [order] */ - const silk_float input[], /* I Input signal [length] */ - const silk_float lambda, /* I Warping factor */ - const opus_int length, /* I Length of input signal */ - const opus_int order /* I Filter order (even) */ -) -{ - opus_int n, i; - silk_float acc, tmp1, tmp2; - - /* Order must be even */ - silk_assert( ( order & 1 ) == 0 ); - - for( n = 0; n < length; n++ ) { - /* Output of lowpass section */ - tmp2 = state[ 0 ] + lambda * state[ 1 ]; - state[ 0 ] = input[ n ]; - /* Output of allpass section */ - tmp1 = state[ 1 ] + lambda * ( state[ 2 ] - tmp2 ); - state[ 1 ] = tmp2; - acc = coef[ 0 ] * tmp2; - /* Loop over allpass sections */ - for( i = 2; i < order; i += 2 ) { - /* Output of allpass section */ - tmp2 = state[ i ] + lambda * ( state[ i + 1 ] - tmp1 ); - state[ i ] = tmp1; - acc += coef[ i - 1 ] * tmp1; - /* Output of allpass section */ - tmp1 = state[ i + 1 ] + lambda * ( state[ i + 2 ] - tmp2 ); - state[ i + 1 ] = tmp2; - acc += coef[ i ] * tmp2; - } - state[ order ] = tmp1; - acc += coef[ order - 1 ] * tmp1; - res[ n ] = input[ n ] - acc; - } -} - -/* -* silk_prefilter. Main prefilter function -*/ -void silk_prefilter_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - const silk_encoder_control_FLP *psEncCtrl, /* I Encoder control FLP */ - silk_float xw[], /* O Weighted signal */ - const silk_float x[] /* I Speech signal */ -) -{ - silk_prefilter_state_FLP *P = &psEnc->sPrefilt; - opus_int j, k, lag; - silk_float HarmShapeGain, Tilt, LF_MA_shp, LF_AR_shp; - silk_float B[ 2 ]; - const silk_float *AR1_shp; - const silk_float *px; - silk_float *pxw; - silk_float HarmShapeFIR[ 3 ]; - silk_float st_res[ MAX_SUB_FRAME_LENGTH + MAX_LPC_ORDER ]; - - /* Set up pointers */ - px = x; - pxw = xw; - lag = P->lagPrev; - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - /* Update Variables that change per sub frame */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - lag = psEncCtrl->pitchL[ k ]; - } - - /* Noise shape parameters */ - HarmShapeGain = psEncCtrl->HarmShapeGain[ k ] * ( 1.0f - psEncCtrl->HarmBoost[ k ] ); - HarmShapeFIR[ 0 ] = 0.25f * HarmShapeGain; - HarmShapeFIR[ 1 ] = 32767.0f / 65536.0f * HarmShapeGain; - HarmShapeFIR[ 2 ] = 0.25f * HarmShapeGain; - Tilt = psEncCtrl->Tilt[ k ]; - LF_MA_shp = psEncCtrl->LF_MA_shp[ k ]; - LF_AR_shp = psEncCtrl->LF_AR_shp[ k ]; - AR1_shp = &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ]; - - /* Short term FIR filtering */ - silk_warped_LPC_analysis_filter_FLP( P->sAR_shp, st_res, AR1_shp, px, - (silk_float)psEnc->sCmn.warping_Q16 / 65536.0f, psEnc->sCmn.subfr_length, psEnc->sCmn.shapingLPCOrder ); - - /* Reduce (mainly) low frequencies during harmonic emphasis */ - B[ 0 ] = psEncCtrl->GainsPre[ k ]; - B[ 1 ] = -psEncCtrl->GainsPre[ k ] * - ( psEncCtrl->HarmBoost[ k ] * HarmShapeGain + INPUT_TILT + psEncCtrl->coding_quality * HIGH_RATE_INPUT_TILT ); - pxw[ 0 ] = B[ 0 ] * st_res[ 0 ] + B[ 1 ] * P->sHarmHP; - for( j = 1; j < psEnc->sCmn.subfr_length; j++ ) { - pxw[ j ] = B[ 0 ] * st_res[ j ] + B[ 1 ] * st_res[ j - 1 ]; - } - P->sHarmHP = st_res[ psEnc->sCmn.subfr_length - 1 ]; - - silk_prefilt_FLP( P, pxw, pxw, HarmShapeFIR, Tilt, LF_MA_shp, LF_AR_shp, lag, psEnc->sCmn.subfr_length ); - - px += psEnc->sCmn.subfr_length; - pxw += psEnc->sCmn.subfr_length; - } - P->lagPrev = psEncCtrl->pitchL[ psEnc->sCmn.nb_subfr - 1 ]; -} - -/* -* Prefilter for finding Quantizer input signal -*/ -static OPUS_INLINE void silk_prefilt_FLP( - silk_prefilter_state_FLP *P, /* I/O state */ - silk_float st_res[], /* I */ - silk_float xw[], /* O */ - silk_float *HarmShapeFIR, /* I */ - silk_float Tilt, /* I */ - silk_float LF_MA_shp, /* I */ - silk_float LF_AR_shp, /* I */ - opus_int lag, /* I */ - opus_int length /* I */ -) -{ - opus_int i; - opus_int idx, LTP_shp_buf_idx; - silk_float n_Tilt, n_LF, n_LTP; - silk_float sLF_AR_shp, sLF_MA_shp; - silk_float *LTP_shp_buf; - - /* To speed up use temp variables instead of using the struct */ - LTP_shp_buf = P->sLTP_shp; - LTP_shp_buf_idx = P->sLTP_shp_buf_idx; - sLF_AR_shp = P->sLF_AR_shp; - sLF_MA_shp = P->sLF_MA_shp; - - for( i = 0; i < length; i++ ) { - if( lag > 0 ) { - silk_assert( HARM_SHAPE_FIR_TAPS == 3 ); - idx = lag + LTP_shp_buf_idx; - n_LTP = LTP_shp_buf[ ( idx - HARM_SHAPE_FIR_TAPS / 2 - 1) & LTP_MASK ] * HarmShapeFIR[ 0 ]; - n_LTP += LTP_shp_buf[ ( idx - HARM_SHAPE_FIR_TAPS / 2 ) & LTP_MASK ] * HarmShapeFIR[ 1 ]; - n_LTP += LTP_shp_buf[ ( idx - HARM_SHAPE_FIR_TAPS / 2 + 1) & LTP_MASK ] * HarmShapeFIR[ 2 ]; - } else { - n_LTP = 0; - } - - n_Tilt = sLF_AR_shp * Tilt; - n_LF = sLF_AR_shp * LF_AR_shp + sLF_MA_shp * LF_MA_shp; - - sLF_AR_shp = st_res[ i ] - n_Tilt; - sLF_MA_shp = sLF_AR_shp - n_LF; - - LTP_shp_buf_idx = ( LTP_shp_buf_idx - 1 ) & LTP_MASK; - LTP_shp_buf[ LTP_shp_buf_idx ] = sLF_MA_shp; - - xw[ i ] = sLF_MA_shp - n_LTP; - } - /* Copy temp variable back to state */ - P->sLF_AR_shp = sLF_AR_shp; - P->sLF_MA_shp = sLF_MA_shp; - P->sLTP_shp_buf_idx = LTP_shp_buf_idx; -} diff --git a/src/opus-1.1/silk/float/process_gains_FLP.c b/src/opus-1.1/silk/float/process_gains_FLP.c deleted file mode 100644 index c0da0dae..00000000 --- a/src/opus-1.1/silk/float/process_gains_FLP.c +++ /dev/null @@ -1,103 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" -#include "tuning_parameters.h" - -/* Processing of gains */ -void silk_process_gains_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - opus_int condCoding /* I The type of conditional coding to use */ -) -{ - silk_shape_state_FLP *psShapeSt = &psEnc->sShape; - opus_int k; - opus_int32 pGains_Q16[ MAX_NB_SUBFR ]; - silk_float s, InvMaxSqrVal, gain, quant_offset; - - /* Gain reduction when LTP coding gain is high */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - s = 1.0f - 0.5f * silk_sigmoid( 0.25f * ( psEncCtrl->LTPredCodGain - 12.0f ) ); - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->Gains[ k ] *= s; - } - } - - /* Limit the quantized signal */ - InvMaxSqrVal = ( silk_float )( pow( 2.0f, 0.33f * ( 21.0f - psEnc->sCmn.SNR_dB_Q7 * ( 1 / 128.0f ) ) ) / psEnc->sCmn.subfr_length ); - - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - /* Soft limit on ratio residual energy and squared gains */ - gain = psEncCtrl->Gains[ k ]; - gain = ( silk_float )sqrt( gain * gain + psEncCtrl->ResNrg[ k ] * InvMaxSqrVal ); - psEncCtrl->Gains[ k ] = silk_min_float( gain, 32767.0f ); - } - - /* Prepare gains for noise shaping quantization */ - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - pGains_Q16[ k ] = (opus_int32)( psEncCtrl->Gains[ k ] * 65536.0f ); - } - - /* Save unquantized gains and gain Index */ - silk_memcpy( psEncCtrl->GainsUnq_Q16, pGains_Q16, psEnc->sCmn.nb_subfr * sizeof( opus_int32 ) ); - psEncCtrl->lastGainIndexPrev = psShapeSt->LastGainIndex; - - /* Quantize gains */ - silk_gains_quant( psEnc->sCmn.indices.GainsIndices, pGains_Q16, - &psShapeSt->LastGainIndex, condCoding == CODE_CONDITIONALLY, psEnc->sCmn.nb_subfr ); - - /* Overwrite unquantized gains with quantized gains and convert back to Q0 from Q16 */ - for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) { - psEncCtrl->Gains[ k ] = pGains_Q16[ k ] / 65536.0f; - } - - /* Set quantizer offset for voiced signals. Larger offset when LTP coding gain is low or tilt is high (ie low-pass) */ - if( psEnc->sCmn.indices.signalType == TYPE_VOICED ) { - if( psEncCtrl->LTPredCodGain + psEnc->sCmn.input_tilt_Q15 * ( 1.0f / 32768.0f ) > 1.0f ) { - psEnc->sCmn.indices.quantOffsetType = 0; - } else { - psEnc->sCmn.indices.quantOffsetType = 1; - } - } - - /* Quantizer boundary adjustment */ - quant_offset = silk_Quantization_Offsets_Q10[ psEnc->sCmn.indices.signalType >> 1 ][ psEnc->sCmn.indices.quantOffsetType ] / 1024.0f; - psEncCtrl->Lambda = LAMBDA_OFFSET - + LAMBDA_DELAYED_DECISIONS * psEnc->sCmn.nStatesDelayedDecision - + LAMBDA_SPEECH_ACT * psEnc->sCmn.speech_activity_Q8 * ( 1.0f / 256.0f ) - + LAMBDA_INPUT_QUALITY * psEncCtrl->input_quality - + LAMBDA_CODING_QUALITY * psEncCtrl->coding_quality - + LAMBDA_QUANT_OFFSET * quant_offset; - - silk_assert( psEncCtrl->Lambda > 0.0f ); - silk_assert( psEncCtrl->Lambda < 2.0f ); -} diff --git a/src/opus-1.1/silk/float/regularize_correlations_FLP.c b/src/opus-1.1/silk/float/regularize_correlations_FLP.c deleted file mode 100644 index df461260..00000000 --- a/src/opus-1.1/silk/float/regularize_correlations_FLP.c +++ /dev/null @@ -1,48 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -/* Add noise to matrix diagonal */ -void silk_regularize_correlations_FLP( - silk_float *XX, /* I/O Correlation matrices */ - silk_float *xx, /* I/O Correlation values */ - const silk_float noise, /* I Noise energy to add */ - const opus_int D /* I Dimension of XX */ -) -{ - opus_int i; - - for( i = 0; i < D; i++ ) { - matrix_ptr( &XX[ 0 ], i, i, D ) += noise; - } - xx[ 0 ] += noise; -} diff --git a/src/opus-1.1/silk/float/residual_energy_FLP.c b/src/opus-1.1/silk/float/residual_energy_FLP.c deleted file mode 100644 index b2e03a86..00000000 --- a/src/opus-1.1/silk/float/residual_energy_FLP.c +++ /dev/null @@ -1,117 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -#define MAX_ITERATIONS_RESIDUAL_NRG 10 -#define REGULARIZATION_FACTOR 1e-8f - -/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */ -silk_float silk_residual_energy_covar_FLP( /* O Weighted residual energy */ - const silk_float *c, /* I Filter coefficients */ - silk_float *wXX, /* I/O Weighted correlation matrix, reg. out */ - const silk_float *wXx, /* I Weighted correlation vector */ - const silk_float wxx, /* I Weighted correlation value */ - const opus_int D /* I Dimension */ -) -{ - opus_int i, j, k; - silk_float tmp, nrg = 0.0f, regularization; - - /* Safety checks */ - silk_assert( D >= 0 ); - - regularization = REGULARIZATION_FACTOR * ( wXX[ 0 ] + wXX[ D * D - 1 ] ); - for( k = 0; k < MAX_ITERATIONS_RESIDUAL_NRG; k++ ) { - nrg = wxx; - - tmp = 0.0f; - for( i = 0; i < D; i++ ) { - tmp += wXx[ i ] * c[ i ]; - } - nrg -= 2.0f * tmp; - - /* compute c' * wXX * c, assuming wXX is symmetric */ - for( i = 0; i < D; i++ ) { - tmp = 0.0f; - for( j = i + 1; j < D; j++ ) { - tmp += matrix_c_ptr( wXX, i, j, D ) * c[ j ]; - } - nrg += c[ i ] * ( 2.0f * tmp + matrix_c_ptr( wXX, i, i, D ) * c[ i ] ); - } - if( nrg > 0 ) { - break; - } else { - /* Add white noise */ - for( i = 0; i < D; i++ ) { - matrix_c_ptr( wXX, i, i, D ) += regularization; - } - /* Increase noise for next run */ - regularization *= 2.0f; - } - } - if( k == MAX_ITERATIONS_RESIDUAL_NRG ) { - silk_assert( nrg == 0 ); - nrg = 1.0f; - } - - return nrg; -} - -/* Calculates residual energies of input subframes where all subframes have LPC_order */ -/* of preceding samples */ -void silk_residual_energy_FLP( - silk_float nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ - const silk_float x[], /* I Input signal */ - silk_float a[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ - const silk_float gains[], /* I Quantization gains */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I number of subframes */ - const opus_int LPC_order /* I LPC order */ -) -{ - opus_int shift; - silk_float *LPC_res_ptr, LPC_res[ ( MAX_FRAME_LENGTH + MAX_NB_SUBFR * MAX_LPC_ORDER ) / 2 ]; - - LPC_res_ptr = LPC_res + LPC_order; - shift = LPC_order + subfr_length; - - /* Filter input to create the LPC residual for each frame half, and measure subframe energies */ - silk_LPC_analysis_filter_FLP( LPC_res, a[ 0 ], x + 0 * shift, 2 * shift, LPC_order ); - nrgs[ 0 ] = ( silk_float )( gains[ 0 ] * gains[ 0 ] * silk_energy_FLP( LPC_res_ptr + 0 * shift, subfr_length ) ); - nrgs[ 1 ] = ( silk_float )( gains[ 1 ] * gains[ 1 ] * silk_energy_FLP( LPC_res_ptr + 1 * shift, subfr_length ) ); - - if( nb_subfr == MAX_NB_SUBFR ) { - silk_LPC_analysis_filter_FLP( LPC_res, a[ 1 ], x + 2 * shift, 2 * shift, LPC_order ); - nrgs[ 2 ] = ( silk_float )( gains[ 2 ] * gains[ 2 ] * silk_energy_FLP( LPC_res_ptr + 0 * shift, subfr_length ) ); - nrgs[ 3 ] = ( silk_float )( gains[ 3 ] * gains[ 3 ] * silk_energy_FLP( LPC_res_ptr + 1 * shift, subfr_length ) ); - } -} diff --git a/src/opus-1.1/silk/float/scale_copy_vector_FLP.c b/src/opus-1.1/silk/float/scale_copy_vector_FLP.c deleted file mode 100644 index 20db32b3..00000000 --- a/src/opus-1.1/silk/float/scale_copy_vector_FLP.c +++ /dev/null @@ -1,57 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* copy and multiply a vector by a constant */ -void silk_scale_copy_vector_FLP( - silk_float *data_out, - const silk_float *data_in, - silk_float gain, - opus_int dataSize -) -{ - opus_int i, dataSize4; - - /* 4x unrolled loop */ - dataSize4 = dataSize & 0xFFFC; - for( i = 0; i < dataSize4; i += 4 ) { - data_out[ i + 0 ] = gain * data_in[ i + 0 ]; - data_out[ i + 1 ] = gain * data_in[ i + 1 ]; - data_out[ i + 2 ] = gain * data_in[ i + 2 ]; - data_out[ i + 3 ] = gain * data_in[ i + 3 ]; - } - - /* any remaining elements */ - for( ; i < dataSize; i++ ) { - data_out[ i ] = gain * data_in[ i ]; - } -} diff --git a/src/opus-1.1/silk/float/scale_vector_FLP.c b/src/opus-1.1/silk/float/scale_vector_FLP.c deleted file mode 100644 index 108fdcbe..00000000 --- a/src/opus-1.1/silk/float/scale_vector_FLP.c +++ /dev/null @@ -1,56 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -/* multiply a vector by a constant */ -void silk_scale_vector_FLP( - silk_float *data1, - silk_float gain, - opus_int dataSize -) -{ - opus_int i, dataSize4; - - /* 4x unrolled loop */ - dataSize4 = dataSize & 0xFFFC; - for( i = 0; i < dataSize4; i += 4 ) { - data1[ i + 0 ] *= gain; - data1[ i + 1 ] *= gain; - data1[ i + 2 ] *= gain; - data1[ i + 3 ] *= gain; - } - - /* any remaining elements */ - for( ; i < dataSize; i++ ) { - data1[ i ] *= gain; - } -} diff --git a/src/opus-1.1/silk/float/schur_FLP.c b/src/opus-1.1/silk/float/schur_FLP.c deleted file mode 100644 index ee436f83..00000000 --- a/src/opus-1.1/silk/float/schur_FLP.c +++ /dev/null @@ -1,70 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FLP.h" - -silk_float silk_schur_FLP( /* O returns residual energy */ - silk_float refl_coef[], /* O reflection coefficients (length order) */ - const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */ - opus_int order /* I order */ -) -{ - opus_int k, n; - silk_float C[ SILK_MAX_ORDER_LPC + 1 ][ 2 ]; - silk_float Ctmp1, Ctmp2, rc_tmp; - - silk_assert( order==6||order==8||order==10||order==12||order==14||order==16 ); - - /* Copy correlations */ - for( k = 0; k < order+1; k++ ) { - C[ k ][ 0 ] = C[ k ][ 1 ] = auto_corr[ k ]; - } - - for( k = 0; k < order; k++ ) { - /* Get reflection coefficient */ - rc_tmp = -C[ k + 1 ][ 0 ] / silk_max_float( C[ 0 ][ 1 ], 1e-9f ); - - /* Save the output */ - refl_coef[ k ] = rc_tmp; - - /* Update correlations */ - for( n = 0; n < order - k; n++ ) { - Ctmp1 = C[ n + k + 1 ][ 0 ]; - Ctmp2 = C[ n ][ 1 ]; - C[ n + k + 1 ][ 0 ] = Ctmp1 + Ctmp2 * rc_tmp; - C[ n ][ 1 ] = Ctmp2 + Ctmp1 * rc_tmp; - } - } - - /* Return residual energy */ - return C[ 0 ][ 1 ]; -} - diff --git a/src/opus-1.1/silk/float/solve_LS_FLP.c b/src/opus-1.1/silk/float/solve_LS_FLP.c deleted file mode 100644 index b35f0a57..00000000 --- a/src/opus-1.1/silk/float/solve_LS_FLP.c +++ /dev/null @@ -1,207 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" -#include "tuning_parameters.h" - -/********************************************************************** - * LDL Factorisation. Finds the upper triangular matrix L and the diagonal - * Matrix D (only the diagonal elements returned in a vector)such that - * the symmetric matric A is given by A = L*D*L'. - **********************************************************************/ -static OPUS_INLINE void silk_LDL_FLP( - silk_float *A, /* I/O Pointer to Symetric Square Matrix */ - opus_int M, /* I Size of Matrix */ - silk_float *L, /* I/O Pointer to Square Upper triangular Matrix */ - silk_float *Dinv /* I/O Pointer to vector holding the inverse diagonal elements of D */ -); - -/********************************************************************** - * Function to solve linear equation Ax = b, when A is a MxM lower - * triangular matrix, with ones on the diagonal. - **********************************************************************/ -static OPUS_INLINE void silk_SolveWithLowerTriangularWdiagOnes_FLP( - const silk_float *L, /* I Pointer to Lower Triangular Matrix */ - opus_int M, /* I Dim of Matrix equation */ - const silk_float *b, /* I b Vector */ - silk_float *x /* O x Vector */ -); - -/********************************************************************** - * Function to solve linear equation (A^T)x = b, when A is a MxM lower - * triangular, with ones on the diagonal. (ie then A^T is upper triangular) - **********************************************************************/ -static OPUS_INLINE void silk_SolveWithUpperTriangularFromLowerWdiagOnes_FLP( - const silk_float *L, /* I Pointer to Lower Triangular Matrix */ - opus_int M, /* I Dim of Matrix equation */ - const silk_float *b, /* I b Vector */ - silk_float *x /* O x Vector */ -); - -/********************************************************************** - * Function to solve linear equation Ax = b, when A is a MxM - * symmetric square matrix - using LDL factorisation - **********************************************************************/ -void silk_solve_LDL_FLP( - silk_float *A, /* I/O Symmetric square matrix, out: reg. */ - const opus_int M, /* I Size of matrix */ - const silk_float *b, /* I Pointer to b vector */ - silk_float *x /* O Pointer to x solution vector */ -) -{ - opus_int i; - silk_float L[ MAX_MATRIX_SIZE ][ MAX_MATRIX_SIZE ]; - silk_float T[ MAX_MATRIX_SIZE ]; - silk_float Dinv[ MAX_MATRIX_SIZE ]; /* inverse diagonal elements of D*/ - - silk_assert( M <= MAX_MATRIX_SIZE ); - - /*************************************************** - Factorize A by LDL such that A = L*D*(L^T), - where L is lower triangular with ones on diagonal - ****************************************************/ - silk_LDL_FLP( A, M, &L[ 0 ][ 0 ], Dinv ); - - /**************************************************** - * substitute D*(L^T) = T. ie: - L*D*(L^T)*x = b => L*T = b <=> T = inv(L)*b - ******************************************************/ - silk_SolveWithLowerTriangularWdiagOnes_FLP( &L[ 0 ][ 0 ], M, b, T ); - - /**************************************************** - D*(L^T)*x = T <=> (L^T)*x = inv(D)*T, because D is - diagonal just multiply with 1/d_i - ****************************************************/ - for( i = 0; i < M; i++ ) { - T[ i ] = T[ i ] * Dinv[ i ]; - } - /**************************************************** - x = inv(L') * inv(D) * T - *****************************************************/ - silk_SolveWithUpperTriangularFromLowerWdiagOnes_FLP( &L[ 0 ][ 0 ], M, T, x ); -} - -static OPUS_INLINE void silk_SolveWithUpperTriangularFromLowerWdiagOnes_FLP( - const silk_float *L, /* I Pointer to Lower Triangular Matrix */ - opus_int M, /* I Dim of Matrix equation */ - const silk_float *b, /* I b Vector */ - silk_float *x /* O x Vector */ -) -{ - opus_int i, j; - silk_float temp; - const silk_float *ptr1; - - for( i = M - 1; i >= 0; i-- ) { - ptr1 = matrix_adr( L, 0, i, M ); - temp = 0; - for( j = M - 1; j > i ; j-- ) { - temp += ptr1[ j * M ] * x[ j ]; - } - temp = b[ i ] - temp; - x[ i ] = temp; - } -} - -static OPUS_INLINE void silk_SolveWithLowerTriangularWdiagOnes_FLP( - const silk_float *L, /* I Pointer to Lower Triangular Matrix */ - opus_int M, /* I Dim of Matrix equation */ - const silk_float *b, /* I b Vector */ - silk_float *x /* O x Vector */ -) -{ - opus_int i, j; - silk_float temp; - const silk_float *ptr1; - - for( i = 0; i < M; i++ ) { - ptr1 = matrix_adr( L, i, 0, M ); - temp = 0; - for( j = 0; j < i; j++ ) { - temp += ptr1[ j ] * x[ j ]; - } - temp = b[ i ] - temp; - x[ i ] = temp; - } -} - -static OPUS_INLINE void silk_LDL_FLP( - silk_float *A, /* I/O Pointer to Symetric Square Matrix */ - opus_int M, /* I Size of Matrix */ - silk_float *L, /* I/O Pointer to Square Upper triangular Matrix */ - silk_float *Dinv /* I/O Pointer to vector holding the inverse diagonal elements of D */ -) -{ - opus_int i, j, k, loop_count, err = 1; - silk_float *ptr1, *ptr2; - double temp, diag_min_value; - silk_float v[ MAX_MATRIX_SIZE ] = { 0 }, D[ MAX_MATRIX_SIZE ]; /* temp arrays*/ - - silk_assert( M <= MAX_MATRIX_SIZE ); - - diag_min_value = FIND_LTP_COND_FAC * 0.5f * ( A[ 0 ] + A[ M * M - 1 ] ); - for( loop_count = 0; loop_count < M && err == 1; loop_count++ ) { - err = 0; - for( j = 0; j < M; j++ ) { - ptr1 = matrix_adr( L, j, 0, M ); - temp = matrix_ptr( A, j, j, M ); /* element in row j column j*/ - for( i = 0; i < j; i++ ) { - v[ i ] = ptr1[ i ] * D[ i ]; - temp -= ptr1[ i ] * v[ i ]; - } - if( temp < diag_min_value ) { - /* Badly conditioned matrix: add white noise and run again */ - temp = ( loop_count + 1 ) * diag_min_value - temp; - for( i = 0; i < M; i++ ) { - matrix_ptr( A, i, i, M ) += ( silk_float )temp; - } - err = 1; - break; - } - D[ j ] = ( silk_float )temp; - Dinv[ j ] = ( silk_float )( 1.0f / temp ); - matrix_ptr( L, j, j, M ) = 1.0f; - - ptr1 = matrix_adr( A, j, 0, M ); - ptr2 = matrix_adr( L, j + 1, 0, M); - for( i = j + 1; i < M; i++ ) { - temp = 0.0; - for( k = 0; k < j; k++ ) { - temp += ptr2[ k ] * v[ k ]; - } - matrix_ptr( L, i, j, M ) = ( silk_float )( ( ptr1[ i ] - temp ) * Dinv[ j ] ); - ptr2 += M; /* go to next column*/ - } - } - } - silk_assert( err == 0 ); -} - diff --git a/src/opus-1.1/silk/float/sort_FLP.c b/src/opus-1.1/silk/float/sort_FLP.c deleted file mode 100644 index f08d7592..00000000 --- a/src/opus-1.1/silk/float/sort_FLP.c +++ /dev/null @@ -1,83 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* Insertion sort (fast for already almost sorted arrays): */ -/* Best case: O(n) for an already sorted array */ -/* Worst case: O(n^2) for an inversely sorted array */ - -#include "typedef.h" -#include "SigProc_FLP.h" - -void silk_insertion_sort_decreasing_FLP( - silk_float *a, /* I/O Unsorted / Sorted vector */ - opus_int *idx, /* O Index vector for the sorted elements */ - const opus_int L, /* I Vector length */ - const opus_int K /* I Number of correctly sorted positions */ -) -{ - silk_float value; - opus_int i, j; - - /* Safety checks */ - silk_assert( K > 0 ); - silk_assert( L > 0 ); - silk_assert( L >= K ); - - /* Write start indices in index vector */ - for( i = 0; i < K; i++ ) { - idx[ i ] = i; - } - - /* Sort vector elements by value, decreasing order */ - for( i = 1; i < K; i++ ) { - value = a[ i ]; - for( j = i - 1; ( j >= 0 ) && ( value > a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - idx[ j + 1 ] = idx[ j ]; /* Shift index */ - } - a[ j + 1 ] = value; /* Write value */ - idx[ j + 1 ] = i; /* Write index */ - } - - /* If less than L values are asked check the remaining values, */ - /* but only spend CPU to ensure that the K first values are correct */ - for( i = K; i < L; i++ ) { - value = a[ i ]; - if( value > a[ K - 1 ] ) { - for( j = K - 2; ( j >= 0 ) && ( value > a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - idx[ j + 1 ] = idx[ j ]; /* Shift index */ - } - a[ j + 1 ] = value; /* Write value */ - idx[ j + 1 ] = i; /* Write index */ - } - } -} diff --git a/src/opus-1.1/silk/float/structs_FLP.h b/src/opus-1.1/silk/float/structs_FLP.h deleted file mode 100644 index bb529e71..00000000 --- a/src/opus-1.1/silk/float/structs_FLP.h +++ /dev/null @@ -1,131 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_STRUCTS_FLP_H -#define SILK_STRUCTS_FLP_H - -#include "typedef.h" -#include "main.h" -#include "structs.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/********************************/ -/* Noise shaping analysis state */ -/********************************/ -typedef struct { - opus_int8 LastGainIndex; - silk_float HarmBoost_smth; - silk_float HarmShapeGain_smth; - silk_float Tilt_smth; -} silk_shape_state_FLP; - -/********************************/ -/* Prefilter state */ -/********************************/ -typedef struct { - silk_float sLTP_shp[ LTP_BUF_LENGTH ]; - silk_float sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ]; - opus_int sLTP_shp_buf_idx; - silk_float sLF_AR_shp; - silk_float sLF_MA_shp; - silk_float sHarmHP; - opus_int32 rand_seed; - opus_int lagPrev; -} silk_prefilter_state_FLP; - -/********************************/ -/* Encoder state FLP */ -/********************************/ -typedef struct { - silk_encoder_state sCmn; /* Common struct, shared with fixed-point code */ - silk_shape_state_FLP sShape; /* Noise shaping state */ - silk_prefilter_state_FLP sPrefilt; /* Prefilter State */ - - /* Buffer for find pitch and noise shape analysis */ - silk_float x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */ - silk_float LTPCorr; /* Normalized correlation from pitch lag estimator */ -} silk_encoder_state_FLP; - -/************************/ -/* Encoder control FLP */ -/************************/ -typedef struct { - /* Prediction and coding parameters */ - silk_float Gains[ MAX_NB_SUBFR ]; - silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ]; /* holds interpolated and final coefficients */ - silk_float LTPCoef[LTP_ORDER * MAX_NB_SUBFR]; - silk_float LTP_scale; - opus_int pitchL[ MAX_NB_SUBFR ]; - - /* Noise shaping parameters */ - silk_float AR1[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; - silk_float AR2[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; - silk_float LF_MA_shp[ MAX_NB_SUBFR ]; - silk_float LF_AR_shp[ MAX_NB_SUBFR ]; - silk_float GainsPre[ MAX_NB_SUBFR ]; - silk_float HarmBoost[ MAX_NB_SUBFR ]; - silk_float Tilt[ MAX_NB_SUBFR ]; - silk_float HarmShapeGain[ MAX_NB_SUBFR ]; - silk_float Lambda; - silk_float input_quality; - silk_float coding_quality; - - /* Measures */ - silk_float sparseness; - silk_float predGain; - silk_float LTPredCodGain; - silk_float ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */ - - /* Parameters for CBR mode */ - opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ]; - opus_int8 lastGainIndexPrev; -} silk_encoder_control_FLP; - -/************************/ -/* Encoder Super Struct */ -/************************/ -typedef struct { - silk_encoder_state_FLP state_Fxx[ ENCODER_NUM_CHANNELS ]; - stereo_enc_state sStereo; - opus_int32 nBitsExceeded; - opus_int nChannelsAPI; - opus_int nChannelsInternal; - opus_int nPrevChannelsInternal; - opus_int timeSinceSwitchAllowed_ms; - opus_int allowBandwidthSwitch; - opus_int prev_decode_only_middle; -} silk_encoder; - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/float/warped_autocorrelation_FLP.c b/src/opus-1.1/silk/float/warped_autocorrelation_FLP.c deleted file mode 100644 index 542414f4..00000000 --- a/src/opus-1.1/silk/float/warped_autocorrelation_FLP.c +++ /dev/null @@ -1,73 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -/* Autocorrelations for a warped frequency axis */ -void silk_warped_autocorrelation_FLP( - silk_float *corr, /* O Result [order + 1] */ - const silk_float *input, /* I Input data to correlate */ - const silk_float warping, /* I Warping coefficient */ - const opus_int length, /* I Length of input */ - const opus_int order /* I Correlation order (even) */ -) -{ - opus_int n, i; - double tmp1, tmp2; - double state[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }; - double C[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }; - - /* Order must be even */ - silk_assert( ( order & 1 ) == 0 ); - - /* Loop over samples */ - for( n = 0; n < length; n++ ) { - tmp1 = input[ n ]; - /* Loop over allpass sections */ - for( i = 0; i < order; i += 2 ) { - /* Output of allpass section */ - tmp2 = state[ i ] + warping * ( state[ i + 1 ] - tmp1 ); - state[ i ] = tmp1; - C[ i ] += state[ 0 ] * tmp1; - /* Output of allpass section */ - tmp1 = state[ i + 1 ] + warping * ( state[ i + 2 ] - tmp2 ); - state[ i + 1 ] = tmp2; - C[ i + 1 ] += state[ 0 ] * tmp2; - } - state[ order ] = tmp1; - C[ order ] += state[ 0 ] * tmp1; - } - - /* Copy correlations in silk_float output format */ - for( i = 0; i < order + 1; i++ ) { - corr[ i ] = ( silk_float )C[ i ]; - } -} diff --git a/src/opus-1.1/silk/float/wrappers_FLP.c b/src/opus-1.1/silk/float/wrappers_FLP.c deleted file mode 100644 index 350599b2..00000000 --- a/src/opus-1.1/silk/float/wrappers_FLP.c +++ /dev/null @@ -1,201 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main_FLP.h" - -/* Wrappers. Calls flp / fix code */ - -/* Convert AR filter coefficients to NLSF parameters */ -void silk_A2NLSF_FLP( - opus_int16 *NLSF_Q15, /* O NLSF vector [ LPC_order ] */ - const silk_float *pAR, /* I LPC coefficients [ LPC_order ] */ - const opus_int LPC_order /* I LPC order */ -) -{ - opus_int i; - opus_int32 a_fix_Q16[ MAX_LPC_ORDER ]; - - for( i = 0; i < LPC_order; i++ ) { - a_fix_Q16[ i ] = silk_float2int( pAR[ i ] * 65536.0f ); - } - - silk_A2NLSF( NLSF_Q15, a_fix_Q16, LPC_order ); -} - -/* Convert LSF parameters to AR prediction filter coefficients */ -void silk_NLSF2A_FLP( - silk_float *pAR, /* O LPC coefficients [ LPC_order ] */ - const opus_int16 *NLSF_Q15, /* I NLSF vector [ LPC_order ] */ - const opus_int LPC_order /* I LPC order */ -) -{ - opus_int i; - opus_int16 a_fix_Q12[ MAX_LPC_ORDER ]; - - silk_NLSF2A( a_fix_Q12, NLSF_Q15, LPC_order ); - - for( i = 0; i < LPC_order; i++ ) { - pAR[ i ] = ( silk_float )a_fix_Q12[ i ] * ( 1.0f / 4096.0f ); - } -} - -/******************************************/ -/* Floating-point NLSF processing wrapper */ -/******************************************/ -void silk_process_NLSFs_FLP( - silk_encoder_state *psEncC, /* I/O Encoder state */ - silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ], /* O Prediction coefficients */ - opus_int16 NLSF_Q15[ MAX_LPC_ORDER ], /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */ - const opus_int16 prev_NLSF_Q15[ MAX_LPC_ORDER ] /* I Previous Normalized LSFs (0 - (2^15-1)) */ -) -{ - opus_int i, j; - opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ]; - - silk_process_NLSFs( psEncC, PredCoef_Q12, NLSF_Q15, prev_NLSF_Q15); - - for( j = 0; j < 2; j++ ) { - for( i = 0; i < psEncC->predictLPCOrder; i++ ) { - PredCoef[ j ][ i ] = ( silk_float )PredCoef_Q12[ j ][ i ] * ( 1.0f / 4096.0f ); - } - } -} - -/****************************************/ -/* Floating-point Silk NSQ wrapper */ -/****************************************/ -void silk_NSQ_wrapper_FLP( - silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */ - silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */ - SideInfoIndices *psIndices, /* I/O Quantization indices */ - silk_nsq_state *psNSQ, /* I/O Noise Shaping Quantzation state */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const silk_float x[] /* I Prefiltered input signal */ -) -{ - opus_int i, j; - opus_int32 x_Q3[ MAX_FRAME_LENGTH ]; - opus_int32 Gains_Q16[ MAX_NB_SUBFR ]; - silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ]; - opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ]; - opus_int LTP_scale_Q14; - - /* Noise shaping parameters */ - opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; - opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ]; /* Packs two int16 coefficients per int32 value */ - opus_int Lambda_Q10; - opus_int Tilt_Q14[ MAX_NB_SUBFR ]; - opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ]; - - /* Convert control struct to fix control struct */ - /* Noise shape parameters */ - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - for( j = 0; j < psEnc->sCmn.shapingLPCOrder; j++ ) { - AR2_Q13[ i * MAX_SHAPE_LPC_ORDER + j ] = silk_float2int( psEncCtrl->AR2[ i * MAX_SHAPE_LPC_ORDER + j ] * 8192.0f ); - } - } - - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - LF_shp_Q14[ i ] = silk_LSHIFT32( silk_float2int( psEncCtrl->LF_AR_shp[ i ] * 16384.0f ), 16 ) | - (opus_uint16)silk_float2int( psEncCtrl->LF_MA_shp[ i ] * 16384.0f ); - Tilt_Q14[ i ] = (opus_int)silk_float2int( psEncCtrl->Tilt[ i ] * 16384.0f ); - HarmShapeGain_Q14[ i ] = (opus_int)silk_float2int( psEncCtrl->HarmShapeGain[ i ] * 16384.0f ); - } - Lambda_Q10 = ( opus_int )silk_float2int( psEncCtrl->Lambda * 1024.0f ); - - /* prediction and coding parameters */ - for( i = 0; i < psEnc->sCmn.nb_subfr * LTP_ORDER; i++ ) { - LTPCoef_Q14[ i ] = (opus_int16)silk_float2int( psEncCtrl->LTPCoef[ i ] * 16384.0f ); - } - - for( j = 0; j < 2; j++ ) { - for( i = 0; i < psEnc->sCmn.predictLPCOrder; i++ ) { - PredCoef_Q12[ j ][ i ] = (opus_int16)silk_float2int( psEncCtrl->PredCoef[ j ][ i ] * 4096.0f ); - } - } - - for( i = 0; i < psEnc->sCmn.nb_subfr; i++ ) { - Gains_Q16[ i ] = silk_float2int( psEncCtrl->Gains[ i ] * 65536.0f ); - silk_assert( Gains_Q16[ i ] > 0 ); - } - - if( psIndices->signalType == TYPE_VOICED ) { - LTP_scale_Q14 = silk_LTPScales_table_Q14[ psIndices->LTP_scaleIndex ]; - } else { - LTP_scale_Q14 = 0; - } - - /* Convert input to fix */ - for( i = 0; i < psEnc->sCmn.frame_length; i++ ) { - x_Q3[ i ] = silk_float2int( 8.0f * x[ i ] ); - } - - /* Call NSQ */ - if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) { - silk_NSQ_del_dec( &psEnc->sCmn, psNSQ, psIndices, x_Q3, pulses, PredCoef_Q12[ 0 ], LTPCoef_Q14, - AR2_Q13, HarmShapeGain_Q14, Tilt_Q14, LF_shp_Q14, Gains_Q16, psEncCtrl->pitchL, Lambda_Q10, LTP_scale_Q14 ); - } else { - silk_NSQ( &psEnc->sCmn, psNSQ, psIndices, x_Q3, pulses, PredCoef_Q12[ 0 ], LTPCoef_Q14, - AR2_Q13, HarmShapeGain_Q14, Tilt_Q14, LF_shp_Q14, Gains_Q16, psEncCtrl->pitchL, Lambda_Q10, LTP_scale_Q14 ); - } -} - -/***********************************************/ -/* Floating-point Silk LTP quantiation wrapper */ -/***********************************************/ -void silk_quant_LTP_gains_FLP( - silk_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (Un-)quantized LTP gains */ - opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook index */ - opus_int8 *periodicity_index, /* O Periodicity index */ - opus_int32 *sum_log_gain_Q7, /* I/O Cumulative max prediction gain */ - const silk_float W[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* I Error weights */ - const opus_int mu_Q10, /* I Mu value (R/D tradeoff) */ - const opus_int lowComplexity, /* I Flag for low complexity */ - const opus_int nb_subfr /* I number of subframes */ -) -{ - opus_int i; - opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ]; - opus_int32 W_Q18[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ]; - - for( i = 0; i < nb_subfr * LTP_ORDER; i++ ) { - B_Q14[ i ] = (opus_int16)silk_float2int( B[ i ] * 16384.0f ); - } - for( i = 0; i < nb_subfr * LTP_ORDER * LTP_ORDER; i++ ) { - W_Q18[ i ] = (opus_int32)silk_float2int( W[ i ] * 262144.0f ); - } - - silk_quant_LTP_gains( B_Q14, cbk_index, periodicity_index, sum_log_gain_Q7, W_Q18, mu_Q10, lowComplexity, nb_subfr ); - - for( i = 0; i < nb_subfr * LTP_ORDER; i++ ) { - B[ i ] = (silk_float)B_Q14[ i ] * ( 1.0f / 16384.0f ); - } -} diff --git a/src/opus-1.1/silk/gain_quant.c b/src/opus-1.1/silk/gain_quant.c deleted file mode 100644 index 64ccd061..00000000 --- a/src/opus-1.1/silk/gain_quant.c +++ /dev/null @@ -1,141 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -#define OFFSET ( ( MIN_QGAIN_DB * 128 ) / 6 + 16 * 128 ) -#define SCALE_Q16 ( ( 65536 * ( N_LEVELS_QGAIN - 1 ) ) / ( ( ( MAX_QGAIN_DB - MIN_QGAIN_DB ) * 128 ) / 6 ) ) -#define INV_SCALE_Q16 ( ( 65536 * ( ( ( MAX_QGAIN_DB - MIN_QGAIN_DB ) * 128 ) / 6 ) ) / ( N_LEVELS_QGAIN - 1 ) ) - -/* Gain scalar quantization with hysteresis, uniform on log scale */ -void silk_gains_quant( - opus_int8 ind[ MAX_NB_SUBFR ], /* O gain indices */ - opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* I/O gains (quantized out) */ - opus_int8 *prev_ind, /* I/O last index in previous frame */ - const opus_int conditional, /* I first gain is delta coded if 1 */ - const opus_int nb_subfr /* I number of subframes */ -) -{ - opus_int k, double_step_size_threshold; - - for( k = 0; k < nb_subfr; k++ ) { - /* Convert to log scale, scale, floor() */ - ind[ k ] = silk_SMULWB( SCALE_Q16, silk_lin2log( gain_Q16[ k ] ) - OFFSET ); - - /* Round towards previous quantized gain (hysteresis) */ - if( ind[ k ] < *prev_ind ) { - ind[ k ]++; - } - ind[ k ] = silk_LIMIT_int( ind[ k ], 0, N_LEVELS_QGAIN - 1 ); - - /* Compute delta indices and limit */ - if( k == 0 && conditional == 0 ) { - /* Full index */ - ind[ k ] = silk_LIMIT_int( ind[ k ], *prev_ind + MIN_DELTA_GAIN_QUANT, N_LEVELS_QGAIN - 1 ); - *prev_ind = ind[ k ]; - } else { - /* Delta index */ - ind[ k ] = ind[ k ] - *prev_ind; - - /* Double the quantization step size for large gain increases, so that the max gain level can be reached */ - double_step_size_threshold = 2 * MAX_DELTA_GAIN_QUANT - N_LEVELS_QGAIN + *prev_ind; - if( ind[ k ] > double_step_size_threshold ) { - ind[ k ] = double_step_size_threshold + silk_RSHIFT( ind[ k ] - double_step_size_threshold + 1, 1 ); - } - - ind[ k ] = silk_LIMIT_int( ind[ k ], MIN_DELTA_GAIN_QUANT, MAX_DELTA_GAIN_QUANT ); - - /* Accumulate deltas */ - if( ind[ k ] > double_step_size_threshold ) { - *prev_ind += silk_LSHIFT( ind[ k ], 1 ) - double_step_size_threshold; - } else { - *prev_ind += ind[ k ]; - } - - /* Shift to make non-negative */ - ind[ k ] -= MIN_DELTA_GAIN_QUANT; - } - - /* Scale and convert to linear scale */ - gain_Q16[ k ] = silk_log2lin( silk_min_32( silk_SMULWB( INV_SCALE_Q16, *prev_ind ) + OFFSET, 3967 ) ); /* 3967 = 31 in Q7 */ - } -} - -/* Gains scalar dequantization, uniform on log scale */ -void silk_gains_dequant( - opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* O quantized gains */ - const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ - opus_int8 *prev_ind, /* I/O last index in previous frame */ - const opus_int conditional, /* I first gain is delta coded if 1 */ - const opus_int nb_subfr /* I number of subframes */ -) -{ - opus_int k, ind_tmp, double_step_size_threshold; - - for( k = 0; k < nb_subfr; k++ ) { - if( k == 0 && conditional == 0 ) { - /* Gain index is not allowed to go down more than 16 steps (~21.8 dB) */ - *prev_ind = silk_max_int( ind[ k ], *prev_ind - 16 ); - } else { - /* Delta index */ - ind_tmp = ind[ k ] + MIN_DELTA_GAIN_QUANT; - - /* Accumulate deltas */ - double_step_size_threshold = 2 * MAX_DELTA_GAIN_QUANT - N_LEVELS_QGAIN + *prev_ind; - if( ind_tmp > double_step_size_threshold ) { - *prev_ind += silk_LSHIFT( ind_tmp, 1 ) - double_step_size_threshold; - } else { - *prev_ind += ind_tmp; - } - } - *prev_ind = silk_LIMIT_int( *prev_ind, 0, N_LEVELS_QGAIN - 1 ); - - /* Scale and convert to linear scale */ - gain_Q16[ k ] = silk_log2lin( silk_min_32( silk_SMULWB( INV_SCALE_Q16, *prev_ind ) + OFFSET, 3967 ) ); /* 3967 = 31 in Q7 */ - } -} - -/* Compute unique identifier of gain indices vector */ -opus_int32 silk_gains_ID( /* O returns unique identifier of gains */ - const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ - const opus_int nb_subfr /* I number of subframes */ -) -{ - opus_int k; - opus_int32 gainsID; - - gainsID = 0; - for( k = 0; k < nb_subfr; k++ ) { - gainsID = silk_ADD_LSHIFT32( ind[ k ], gainsID, 8 ); - } - - return gainsID; -} diff --git a/src/opus-1.1/silk/init_decoder.c b/src/opus-1.1/silk/init_decoder.c deleted file mode 100644 index f887c678..00000000 --- a/src/opus-1.1/silk/init_decoder.c +++ /dev/null @@ -1,56 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/************************/ -/* Init Decoder State */ -/************************/ -opus_int silk_init_decoder( - silk_decoder_state *psDec /* I/O Decoder state pointer */ -) -{ - /* Clear the entire encoder state, except anything copied */ - silk_memset( psDec, 0, sizeof( silk_decoder_state ) ); - - /* Used to deactivate LSF interpolation */ - psDec->first_frame_after_reset = 1; - psDec->prev_gain_Q16 = 65536; - - /* Reset CNG state */ - silk_CNG_Reset( psDec ); - - /* Reset PLC state */ - silk_PLC_Reset( psDec ); - - return(0); -} - diff --git a/src/opus-1.1/silk/init_encoder.c b/src/opus-1.1/silk/init_encoder.c deleted file mode 100644 index 65995c33..00000000 --- a/src/opus-1.1/silk/init_encoder.c +++ /dev/null @@ -1,64 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#ifdef FIXED_POINT -#include "main_FIX.h" -#else -#include "main_FLP.h" -#endif -#include "tuning_parameters.h" -#include "cpu_support.h" - -/*********************************/ -/* Initialize Silk Encoder state */ -/*********************************/ -opus_int silk_init_encoder( - silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk FIX encoder state */ - int arch /* I Run-time architecture */ -) -{ - opus_int ret = 0; - - /* Clear the entire encoder state */ - silk_memset( psEnc, 0, sizeof( silk_encoder_state_Fxx ) ); - - psEnc->sCmn.arch = arch; - - psEnc->sCmn.variable_HP_smth1_Q15 = silk_LSHIFT( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ), 8 ); - psEnc->sCmn.variable_HP_smth2_Q15 = psEnc->sCmn.variable_HP_smth1_Q15; - - /* Used to deactivate LSF interpolation, pitch prediction */ - psEnc->sCmn.first_frame_after_reset = 1; - - /* Initialize Silk VAD */ - ret += silk_VAD_Init( &psEnc->sCmn.sVAD ); - - return ret; -} diff --git a/src/opus-1.1/silk/inner_prod_aligned.c b/src/opus-1.1/silk/inner_prod_aligned.c deleted file mode 100644 index 257ae9e0..00000000 --- a/src/opus-1.1/silk/inner_prod_aligned.c +++ /dev/null @@ -1,47 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -opus_int32 silk_inner_prod_aligned_scale( - const opus_int16 *const inVec1, /* I input vector 1 */ - const opus_int16 *const inVec2, /* I input vector 2 */ - const opus_int scale, /* I number of bits to shift */ - const opus_int len /* I vector lengths */ -) -{ - opus_int i; - opus_int32 sum = 0; - for( i = 0; i < len; i++ ) { - sum = silk_ADD_RSHIFT32( sum, silk_SMULBB( inVec1[ i ], inVec2[ i ] ), scale ); - } - return sum; -} diff --git a/src/opus-1.1/silk/interpolate.c b/src/opus-1.1/silk/interpolate.c deleted file mode 100644 index 1bd8ca4d..00000000 --- a/src/opus-1.1/silk/interpolate.c +++ /dev/null @@ -1,51 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Interpolate two vectors */ -void silk_interpolate( - opus_int16 xi[ MAX_LPC_ORDER ], /* O interpolated vector */ - const opus_int16 x0[ MAX_LPC_ORDER ], /* I first vector */ - const opus_int16 x1[ MAX_LPC_ORDER ], /* I second vector */ - const opus_int ifact_Q2, /* I interp. factor, weight on 2nd vector */ - const opus_int d /* I number of parameters */ -) -{ - opus_int i; - - silk_assert( ifact_Q2 >= 0 ); - silk_assert( ifact_Q2 <= 4 ); - - for( i = 0; i < d; i++ ) { - xi[ i ] = (opus_int16)silk_ADD_RSHIFT( x0[ i ], silk_SMULBB( x1[ i ] - x0[ i ], ifact_Q2 ), 2 ); - } -} diff --git a/src/opus-1.1/silk/lin2log.c b/src/opus-1.1/silk/lin2log.c deleted file mode 100644 index d4fe5153..00000000 --- a/src/opus-1.1/silk/lin2log.c +++ /dev/null @@ -1,46 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -/* Approximation of 128 * log2() (very close inverse of silk_log2lin()) */ -/* Convert input to a log scale */ -opus_int32 silk_lin2log( - const opus_int32 inLin /* I input in linear scale */ -) -{ - opus_int32 lz, frac_Q7; - - silk_CLZ_FRAC( inLin, &lz, &frac_Q7 ); - - /* Piece-wise parabolic approximation */ - return silk_LSHIFT( 31 - lz, 7 ) + silk_SMLAWB( frac_Q7, silk_MUL( frac_Q7, 128 - frac_Q7 ), 179 ); -} - diff --git a/src/opus-1.1/silk/log2lin.c b/src/opus-1.1/silk/log2lin.c deleted file mode 100644 index a692e009..00000000 --- a/src/opus-1.1/silk/log2lin.c +++ /dev/null @@ -1,58 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Approximation of 2^() (very close inverse of silk_lin2log()) */ -/* Convert input to a linear scale */ -opus_int32 silk_log2lin( - const opus_int32 inLog_Q7 /* I input on log scale */ -) -{ - opus_int32 out, frac_Q7; - - if( inLog_Q7 < 0 ) { - return 0; - } else if ( inLog_Q7 >= 3967 ) { - return silk_int32_MAX; - } - - out = silk_LSHIFT( 1, silk_RSHIFT( inLog_Q7, 7 ) ); - frac_Q7 = inLog_Q7 & 0x7F; - if( inLog_Q7 < 2048 ) { - /* Piece-wise parabolic approximation */ - out = silk_ADD_RSHIFT32( out, silk_MUL( out, silk_SMLAWB( frac_Q7, silk_SMULBB( frac_Q7, 128 - frac_Q7 ), -174 ) ), 7 ); - } else { - /* Piece-wise parabolic approximation */ - out = silk_MLA( out, silk_RSHIFT( out, 7 ), silk_SMLAWB( frac_Q7, silk_SMULBB( frac_Q7, 128 - frac_Q7 ), -174 ) ); - } - return out; -} diff --git a/src/opus-1.1/silk/macros.h b/src/opus-1.1/silk/macros.h deleted file mode 100644 index a84e5a5d..00000000 --- a/src/opus-1.1/silk/macros.h +++ /dev/null @@ -1,115 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_MACROS_H -#define SILK_MACROS_H - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "opus_types.h" -#include "opus_defines.h" - -/* This is an OPUS_INLINE header file for general platform. */ - -/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */ -#define silk_SMULWB(a32, b32) ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16)) - -/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */ -#define silk_SMLAWB(a32, b32, c32) ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16))) - -/* (a32 * (b32 >> 16)) >> 16 */ -#define silk_SMULWT(a32, b32) (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16)) - -/* a32 + (b32 * (c32 >> 16)) >> 16 */ -#define silk_SMLAWT(a32, b32, c32) ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16)) - -/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */ -#define silk_SMULBB(a32, b32) ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32))) - -/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */ -#define silk_SMLABB(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32))) - -/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */ -#define silk_SMULBT(a32, b32) ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16)) - -/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */ -#define silk_SMLABT(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16)) - -/* a64 + (b32 * c32) */ -#define silk_SMLAL(a64, b32, c32) (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32)))) - -/* (a32 * b32) >> 16 */ -#define silk_SMULWW(a32, b32) silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16)) - -/* a32 + ((b32 * c32) >> 16) */ -#define silk_SMLAWW(a32, b32, c32) silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16)) - -/* add/subtract with output saturated */ -#define silk_ADD_SAT32(a, b) ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ? \ - ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) : \ - ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) ) - -#define silk_SUB_SAT32(a, b) ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ? \ - (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) : \ - ((((a)^0x80000000) & (b) & 0x80000000) ? silk_int32_MAX : (a)-(b)) ) - -#include "ecintrin.h" - -static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16) -{ - return 32 - EC_ILOG(in16<<16|0x8000); -} - -static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32) -{ - return in32 ? 32 - EC_ILOG(in32) : 32; -} - -/* Row based */ -#define matrix_ptr(Matrix_base_adr, row, column, N) \ - (*((Matrix_base_adr) + ((row)*(N)+(column)))) -#define matrix_adr(Matrix_base_adr, row, column, N) \ - ((Matrix_base_adr) + ((row)*(N)+(column))) - -/* Column based */ -#ifndef matrix_c_ptr -# define matrix_c_ptr(Matrix_base_adr, row, column, M) \ - (*((Matrix_base_adr) + ((row)+(M)*(column)))) -#endif - -#ifdef OPUS_ARM_INLINE_ASM -#include "arm/macros_armv4.h" -#endif - -#ifdef OPUS_ARM_INLINE_EDSP -#include "arm/macros_armv5e.h" -#endif - -#endif /* SILK_MACROS_H */ - diff --git a/src/opus-1.1/silk/main.h b/src/opus-1.1/silk/main.h deleted file mode 100644 index 2bdf8978..00000000 --- a/src/opus-1.1/silk/main.h +++ /dev/null @@ -1,438 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_MAIN_H -#define SILK_MAIN_H - -#include "SigProc_FIX.h" -#include "define.h" -#include "structs.h" -#include "tables.h" -#include "PLC.h" -#include "control.h" -#include "debug.h" -#include "entenc.h" -#include "entdec.h" - -/* Convert Left/Right stereo signal to adaptive Mid/Side representation */ -void silk_stereo_LR_to_MS( - stereo_enc_state *state, /* I/O State */ - opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ - opus_int16 x2[], /* I/O Right input signal, becomes side signal */ - opus_int8 ix[ 2 ][ 3 ], /* O Quantization indices */ - opus_int8 *mid_only_flag, /* O Flag: only mid signal coded */ - opus_int32 mid_side_rates_bps[], /* O Bitrates for mid and side signals */ - opus_int32 total_rate_bps, /* I Total bitrate */ - opus_int prev_speech_act_Q8, /* I Speech activity level in previous frame */ - opus_int toMono, /* I Last frame before a stereo->mono transition */ - opus_int fs_kHz, /* I Sample rate (kHz) */ - opus_int frame_length /* I Number of samples */ -); - -/* Convert adaptive Mid/Side representation to Left/Right stereo signal */ -void silk_stereo_MS_to_LR( - stereo_dec_state *state, /* I/O State */ - opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ - opus_int16 x2[], /* I/O Right input signal, becomes side signal */ - const opus_int32 pred_Q13[], /* I Predictors */ - opus_int fs_kHz, /* I Samples rate (kHz) */ - opus_int frame_length /* I Number of samples */ -); - -/* Find least-squares prediction gain for one signal based on another and quantize it */ -opus_int32 silk_stereo_find_predictor( /* O Returns predictor in Q13 */ - opus_int32 *ratio_Q14, /* O Ratio of residual and mid energies */ - const opus_int16 x[], /* I Basis signal */ - const opus_int16 y[], /* I Target signal */ - opus_int32 mid_res_amp_Q0[], /* I/O Smoothed mid, residual norms */ - opus_int length, /* I Number of samples */ - opus_int smooth_coef_Q16 /* I Smoothing coefficient */ -); - -/* Quantize mid/side predictors */ -void silk_stereo_quant_pred( - opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */ - opus_int8 ix[ 2 ][ 3 ] /* O Quantization indices */ -); - -/* Entropy code the mid/side quantization indices */ -void silk_stereo_encode_pred( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int8 ix[ 2 ][ 3 ] /* I Quantization indices */ -); - -/* Entropy code the mid-only flag */ -void silk_stereo_encode_mid_only( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int8 mid_only_flag -); - -/* Decode mid/side predictors */ -void silk_stereo_decode_pred( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int32 pred_Q13[] /* O Predictors */ -); - -/* Decode mid-only flag */ -void silk_stereo_decode_mid_only( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int *decode_only_mid /* O Flag that only mid channel has been coded */ -); - -/* Encodes signs of excitation */ -void silk_encode_signs( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - const opus_int8 pulses[], /* I pulse signal */ - opus_int length, /* I length of input */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I Quantization offset type */ - const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ -); - -/* Decodes signs of excitation */ -void silk_decode_signs( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int pulses[], /* I/O pulse signal */ - opus_int length, /* I length of input */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I Quantization offset type */ - const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ -); - -/* Check encoder control struct */ -opus_int check_control_input( - silk_EncControlStruct *encControl /* I Control structure */ -); - -/* Control internal sampling rate */ -opus_int silk_control_audio_bandwidth( - silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ - silk_EncControlStruct *encControl /* I Control structure */ -); - -/* Control SNR of redidual quantizer */ -opus_int silk_control_SNR( - silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ - opus_int32 TargetRate_bps /* I Target max bitrate (bps) */ -); - -/***************/ -/* Shell coder */ -/***************/ - -/* Encode quantization indices of excitation */ -void silk_encode_pulses( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I quantOffsetType */ - opus_int8 pulses[], /* I quantization indices */ - const opus_int frame_length /* I Frame length */ -); - -/* Shell encoder, operates on one shell code frame of 16 pulses */ -void silk_shell_encoder( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int *pulses0 /* I data: nonnegative pulse amplitudes */ -); - -/* Shell decoder, operates on one shell code frame of 16 pulses */ -void silk_shell_decoder( - opus_int *pulses0, /* O data: nonnegative pulse amplitudes */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - const opus_int pulses4 /* I number of pulses per pulse-subframe */ -); - -/* Gain scalar quantization with hysteresis, uniform on log scale */ -void silk_gains_quant( - opus_int8 ind[ MAX_NB_SUBFR ], /* O gain indices */ - opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* I/O gains (quantized out) */ - opus_int8 *prev_ind, /* I/O last index in previous frame */ - const opus_int conditional, /* I first gain is delta coded if 1 */ - const opus_int nb_subfr /* I number of subframes */ -); - -/* Gains scalar dequantization, uniform on log scale */ -void silk_gains_dequant( - opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* O quantized gains */ - const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ - opus_int8 *prev_ind, /* I/O last index in previous frame */ - const opus_int conditional, /* I first gain is delta coded if 1 */ - const opus_int nb_subfr /* I number of subframes */ -); - -/* Compute unique identifier of gain indices vector */ -opus_int32 silk_gains_ID( /* O returns unique identifier of gains */ - const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ - const opus_int nb_subfr /* I number of subframes */ -); - -/* Interpolate two vectors */ -void silk_interpolate( - opus_int16 xi[ MAX_LPC_ORDER ], /* O interpolated vector */ - const opus_int16 x0[ MAX_LPC_ORDER ], /* I first vector */ - const opus_int16 x1[ MAX_LPC_ORDER ], /* I second vector */ - const opus_int ifact_Q2, /* I interp. factor, weight on 2nd vector */ - const opus_int d /* I number of parameters */ -); - -/* LTP tap quantizer */ -void silk_quant_LTP_gains( - opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (un)quantized LTP gains */ - opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook Index */ - opus_int8 *periodicity_index, /* O Periodicity Index */ - opus_int32 *sum_gain_dB_Q7, /* I/O Cumulative max prediction gain */ - const opus_int32 W_Q18[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error Weights in Q18 */ - opus_int mu_Q9, /* I Mu value (R/D tradeoff) */ - opus_int lowComplexity, /* I Flag for low complexity */ - const opus_int nb_subfr /* I number of subframes */ -); - -/* Entropy constrained matrix-weighted VQ, for a single input data vector */ -void silk_VQ_WMat_EC( - opus_int8 *ind, /* O index of best codebook vector */ - opus_int32 *rate_dist_Q14, /* O best weighted quant error + mu * rate */ - opus_int *gain_Q7, /* O sum of absolute LTP coefficients */ - const opus_int16 *in_Q14, /* I input vector to be quantized */ - const opus_int32 *W_Q18, /* I weighting matrix */ - const opus_int8 *cb_Q7, /* I codebook */ - const opus_uint8 *cb_gain_Q7, /* I codebook effective gain */ - const opus_uint8 *cl_Q5, /* I code length for each codebook vector */ - const opus_int mu_Q9, /* I tradeoff betw. weighted error and rate */ - const opus_int32 max_gain_Q7, /* I maximum sum of absolute LTP coefficients */ - opus_int L /* I number of vectors in codebook */ -); - -/************************************/ -/* Noise shaping quantization (NSQ) */ -/************************************/ -void silk_NSQ( - const silk_encoder_state *psEncC, /* I/O Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - SideInfoIndices *psIndices, /* I/O Quantization Indices */ - const opus_int32 x_Q3[], /* I Prefiltered input signal */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ - const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ - const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ - const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ - const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ - const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ - const opus_int LTP_scale_Q14 /* I LTP state scaling */ -); - -/* Noise shaping using delayed decision */ -void silk_NSQ_del_dec( - const silk_encoder_state *psEncC, /* I/O Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - SideInfoIndices *psIndices, /* I/O Quantization Indices */ - const opus_int32 x_Q3[], /* I Prefiltered input signal */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ - const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ - const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ - const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ - const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ - const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ - const opus_int LTP_scale_Q14 /* I LTP state scaling */ -); - -/************/ -/* Silk VAD */ -/************/ -/* Initialize the Silk VAD */ -opus_int silk_VAD_Init( /* O Return value, 0 if success */ - silk_VAD_state *psSilk_VAD /* I/O Pointer to Silk VAD state */ -); - -/* Get speech activity level in Q8 */ -opus_int silk_VAD_GetSA_Q8( /* O Return value, 0 if success */ - silk_encoder_state *psEncC, /* I/O Encoder state */ - const opus_int16 pIn[] /* I PCM input */ -); - -/* Low-pass filter with variable cutoff frequency based on */ -/* piece-wise linear interpolation between elliptic filters */ -/* Start by setting transition_frame_no = 1; */ -void silk_LP_variable_cutoff( - silk_LP_state *psLP, /* I/O LP filter state */ - opus_int16 *frame, /* I/O Low-pass filtered output signal */ - const opus_int frame_length /* I Frame length */ -); - -/******************/ -/* NLSF Quantizer */ -/******************/ -/* Limit, stabilize, convert and quantize NLSFs */ -void silk_process_NLSFs( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ], /* O Prediction coefficients */ - opus_int16 pNLSF_Q15[ MAX_LPC_ORDER ], /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */ - const opus_int16 prev_NLSFq_Q15[ MAX_LPC_ORDER ] /* I Previous Normalized LSFs (0 - (2^15-1)) */ -); - -opus_int32 silk_NLSF_encode( /* O Returns RD value in Q25 */ - opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ - opus_int16 *pNLSF_Q15, /* I/O Quantized NLSF vector [ LPC_ORDER ] */ - const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ - const opus_int16 *pW_QW, /* I NLSF weight vector [ LPC_ORDER ] */ - const opus_int NLSF_mu_Q20, /* I Rate weight for the RD optimization */ - const opus_int nSurvivors, /* I Max survivors after first stage */ - const opus_int signalType /* I Signal type: 0/1/2 */ -); - -/* Compute quantization errors for an LPC_order element input vector for a VQ codebook */ -void silk_NLSF_VQ( - opus_int32 err_Q26[], /* O Quantization errors [K] */ - const opus_int16 in_Q15[], /* I Input vectors to be quantized [LPC_order] */ - const opus_uint8 pCB_Q8[], /* I Codebook vectors [K*LPC_order] */ - const opus_int K, /* I Number of codebook vectors */ - const opus_int LPC_order /* I Number of LPCs */ -); - -/* Delayed-decision quantizer for NLSF residuals */ -opus_int32 silk_NLSF_del_dec_quant( /* O Returns RD value in Q25 */ - opus_int8 indices[], /* O Quantization indices [ order ] */ - const opus_int16 x_Q10[], /* I Input [ order ] */ - const opus_int16 w_Q5[], /* I Weights [ order ] */ - const opus_uint8 pred_coef_Q8[], /* I Backward predictor coefs [ order ] */ - const opus_int16 ec_ix[], /* I Indices to entropy coding tables [ order ] */ - const opus_uint8 ec_rates_Q5[], /* I Rates [] */ - const opus_int quant_step_size_Q16, /* I Quantization step size */ - const opus_int16 inv_quant_step_size_Q6, /* I Inverse quantization step size */ - const opus_int32 mu_Q20, /* I R/D tradeoff */ - const opus_int16 order /* I Number of input values */ -); - -/* Unpack predictor values and indices for entropy coding tables */ -void silk_NLSF_unpack( - opus_int16 ec_ix[], /* O Indices to entropy tables [ LPC_ORDER ] */ - opus_uint8 pred_Q8[], /* O LSF predictor [ LPC_ORDER ] */ - const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ - const opus_int CB1_index /* I Index of vector in first LSF codebook */ -); - -/***********************/ -/* NLSF vector decoder */ -/***********************/ -void silk_NLSF_decode( - opus_int16 *pNLSF_Q15, /* O Quantized NLSF vector [ LPC_ORDER ] */ - opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ - const silk_NLSF_CB_struct *psNLSF_CB /* I Codebook object */ -); - -/****************************************************/ -/* Decoder Functions */ -/****************************************************/ -opus_int silk_init_decoder( - silk_decoder_state *psDec /* I/O Decoder state pointer */ -); - -/* Set decoder sampling rate */ -opus_int silk_decoder_set_fs( - silk_decoder_state *psDec, /* I/O Decoder state pointer */ - opus_int fs_kHz, /* I Sampling frequency (kHz) */ - opus_int32 fs_API_Hz /* I API Sampling frequency (Hz) */ -); - -/****************/ -/* Decode frame */ -/****************/ -opus_int silk_decode_frame( - silk_decoder_state *psDec, /* I/O Pointer to Silk decoder state */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int16 pOut[], /* O Pointer to output speech frame */ - opus_int32 *pN, /* O Pointer to size of output frame */ - opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/* Decode indices from bitstream */ -void silk_decode_indices( - silk_decoder_state *psDec, /* I/O State */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int FrameIndex, /* I Frame number */ - opus_int decode_LBRR, /* I Flag indicating LBRR data is being decoded */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/* Decode parameters from payload */ -void silk_decode_parameters( - silk_decoder_state *psDec, /* I/O State */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/* Core decoder. Performs inverse NSQ operation LTP + LPC */ -void silk_decode_core( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I Decoder control */ - opus_int16 xq[], /* O Decoded speech */ - const opus_int pulses[ MAX_FRAME_LENGTH ] /* I Pulse signal */ -); - -/* Decode quantization indices of excitation (Shell coding) */ -void silk_decode_pulses( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int pulses[], /* O Excitation signal */ - const opus_int signalType, /* I Sigtype */ - const opus_int quantOffsetType, /* I quantOffsetType */ - const opus_int frame_length /* I Frame length */ -); - -/******************/ -/* CNG */ -/******************/ - -/* Reset CNG */ -void silk_CNG_Reset( - silk_decoder_state *psDec /* I/O Decoder state */ -); - -/* Updates CNG estimate, and applies the CNG when packet was lost */ -void silk_CNG( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 frame[], /* I/O Signal */ - opus_int length /* I Length of residual */ -); - -/* Encoding of various parameters */ -void silk_encode_indices( - silk_encoder_state *psEncC, /* I/O Encoder state */ - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int FrameIndex, /* I Frame number */ - opus_int encode_LBRR, /* I Flag indicating LBRR data is being encoded */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -#endif diff --git a/src/opus-1.1/silk/pitch_est_defines.h b/src/opus-1.1/silk/pitch_est_defines.h deleted file mode 100644 index e1e4b5d7..00000000 --- a/src/opus-1.1/silk/pitch_est_defines.h +++ /dev/null @@ -1,88 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_PE_DEFINES_H -#define SILK_PE_DEFINES_H - -#include "SigProc_FIX.h" - -/********************************************************/ -/* Definitions for pitch estimator */ -/********************************************************/ - -#define PE_MAX_FS_KHZ 16 /* Maximum sampling frequency used */ - -#define PE_MAX_NB_SUBFR 4 -#define PE_SUBFR_LENGTH_MS 5 /* 5 ms */ - -#define PE_LTP_MEM_LENGTH_MS ( 4 * PE_SUBFR_LENGTH_MS ) - -#define PE_MAX_FRAME_LENGTH_MS ( PE_LTP_MEM_LENGTH_MS + PE_MAX_NB_SUBFR * PE_SUBFR_LENGTH_MS ) -#define PE_MAX_FRAME_LENGTH ( PE_MAX_FRAME_LENGTH_MS * PE_MAX_FS_KHZ ) -#define PE_MAX_FRAME_LENGTH_ST_1 ( PE_MAX_FRAME_LENGTH >> 2 ) -#define PE_MAX_FRAME_LENGTH_ST_2 ( PE_MAX_FRAME_LENGTH >> 1 ) - -#define PE_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */ -#define PE_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */ -#define PE_MAX_LAG ( PE_MAX_LAG_MS * PE_MAX_FS_KHZ ) -#define PE_MIN_LAG ( PE_MIN_LAG_MS * PE_MAX_FS_KHZ ) - -#define PE_D_SRCH_LENGTH 24 - -#define PE_NB_STAGE3_LAGS 5 - -#define PE_NB_CBKS_STAGE2 3 -#define PE_NB_CBKS_STAGE2_EXT 11 - -#define PE_NB_CBKS_STAGE3_MAX 34 -#define PE_NB_CBKS_STAGE3_MID 24 -#define PE_NB_CBKS_STAGE3_MIN 16 - -#define PE_NB_CBKS_STAGE3_10MS 12 -#define PE_NB_CBKS_STAGE2_10MS 3 - -#define PE_SHORTLAG_BIAS 0.2f /* for logarithmic weighting */ -#define PE_PREVLAG_BIAS 0.2f /* for logarithmic weighting */ -#define PE_FLATCONTOUR_BIAS 0.05f - -#define SILK_PE_MIN_COMPLEX 0 -#define SILK_PE_MID_COMPLEX 1 -#define SILK_PE_MAX_COMPLEX 2 - -/* Tables for 20 ms frames */ -extern const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ]; -extern const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ]; -extern const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ]; -extern const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ]; - -/* Tables for 10 ms frames */ -extern const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ 3 ]; -extern const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 12 ]; -extern const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ]; - -#endif - diff --git a/src/opus-1.1/silk/pitch_est_tables.c b/src/opus-1.1/silk/pitch_est_tables.c deleted file mode 100644 index 81a8baca..00000000 --- a/src/opus-1.1/silk/pitch_est_tables.c +++ /dev/null @@ -1,99 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "typedef.h" -#include "pitch_est_defines.h" - -const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ PE_NB_CBKS_STAGE2_10MS ] = -{ - {0, 1, 0}, - {0, 0, 1} -}; - -const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ PE_NB_CBKS_STAGE3_10MS ] = -{ - { 0, 0, 1,-1, 1,-1, 2,-2, 2,-2, 3,-3}, - { 0, 1, 0, 1,-1, 2,-1, 2,-2, 3,-2, 3} -}; - -const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ] = -{ - {-3, 7}, - {-2, 7} -}; - -const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ] = -{ - {0, 2,-1,-1,-1, 0, 0, 1, 1, 0, 1}, - {0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0}, - {0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0}, - {0,-1, 2, 1, 0, 1, 1, 0, 0,-1,-1} -}; - -const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ] = -{ - {0, 0, 1,-1, 0, 1,-1, 0,-1, 1,-2, 2,-2,-2, 2,-3, 2, 3,-3,-4, 3,-4, 4, 4,-5, 5,-6,-5, 6,-7, 6, 5, 8,-9}, - {0, 0, 1, 0, 0, 0, 0, 0, 0, 0,-1, 1, 0, 0, 1,-1, 0, 1,-1,-1, 1,-1, 2, 1,-1, 2,-2,-2, 2,-2, 2, 2, 3,-3}, - {0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1,-1, 1, 0, 0, 2, 1,-1, 2,-1,-1, 2,-1, 2, 2,-1, 3,-2,-2,-2, 3}, - {0, 1, 0, 0, 1, 0, 1,-1, 2,-1, 2,-1, 2, 3,-2, 3,-2,-2, 4, 4,-3, 5,-3,-4, 6,-4, 6, 5,-5, 8,-6,-5,-7, 9} -}; - -const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ] = -{ - /* Lags to search for low number of stage3 cbks */ - { - {-5,8}, - {-1,6}, - {-1,6}, - {-4,10} - }, - /* Lags to search for middle number of stage3 cbks */ - { - {-6,10}, - {-2,6}, - {-1,6}, - {-5,10} - }, - /* Lags to search for max number of stage3 cbks */ - { - {-9,12}, - {-3,7}, - {-2,7}, - {-7,13} - } -}; - -const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ] = -{ - PE_NB_CBKS_STAGE3_MIN, - PE_NB_CBKS_STAGE3_MID, - PE_NB_CBKS_STAGE3_MAX -}; diff --git a/src/opus-1.1/silk/process_NLSFs.c b/src/opus-1.1/silk/process_NLSFs.c deleted file mode 100644 index c27cf030..00000000 --- a/src/opus-1.1/silk/process_NLSFs.c +++ /dev/null @@ -1,105 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Limit, stabilize, convert and quantize NLSFs */ -void silk_process_NLSFs( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ], /* O Prediction coefficients */ - opus_int16 pNLSF_Q15[ MAX_LPC_ORDER ], /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */ - const opus_int16 prev_NLSFq_Q15[ MAX_LPC_ORDER ] /* I Previous Normalized LSFs (0 - (2^15-1)) */ -) -{ - opus_int i, doInterpolate; - opus_int NLSF_mu_Q20; - opus_int32 i_sqr_Q15; - opus_int16 pNLSF0_temp_Q15[ MAX_LPC_ORDER ]; - opus_int16 pNLSFW_QW[ MAX_LPC_ORDER ]; - opus_int16 pNLSFW0_temp_QW[ MAX_LPC_ORDER ]; - - silk_assert( psEncC->speech_activity_Q8 >= 0 ); - silk_assert( psEncC->speech_activity_Q8 <= SILK_FIX_CONST( 1.0, 8 ) ); - silk_assert( psEncC->useInterpolatedNLSFs == 1 || psEncC->indices.NLSFInterpCoef_Q2 == ( 1 << 2 ) ); - - /***********************/ - /* Calculate mu values */ - /***********************/ - /* NLSF_mu = 0.003 - 0.0015 * psEnc->speech_activity; */ - NLSF_mu_Q20 = silk_SMLAWB( SILK_FIX_CONST( 0.003, 20 ), SILK_FIX_CONST( -0.001, 28 ), psEncC->speech_activity_Q8 ); - if( psEncC->nb_subfr == 2 ) { - /* Multiply by 1.5 for 10 ms packets */ - NLSF_mu_Q20 = silk_ADD_RSHIFT( NLSF_mu_Q20, NLSF_mu_Q20, 1 ); - } - - silk_assert( NLSF_mu_Q20 > 0 ); - silk_assert( NLSF_mu_Q20 <= SILK_FIX_CONST( 0.005, 20 ) ); - - /* Calculate NLSF weights */ - silk_NLSF_VQ_weights_laroia( pNLSFW_QW, pNLSF_Q15, psEncC->predictLPCOrder ); - - /* Update NLSF weights for interpolated NLSFs */ - doInterpolate = ( psEncC->useInterpolatedNLSFs == 1 ) && ( psEncC->indices.NLSFInterpCoef_Q2 < 4 ); - if( doInterpolate ) { - /* Calculate the interpolated NLSF vector for the first half */ - silk_interpolate( pNLSF0_temp_Q15, prev_NLSFq_Q15, pNLSF_Q15, - psEncC->indices.NLSFInterpCoef_Q2, psEncC->predictLPCOrder ); - - /* Calculate first half NLSF weights for the interpolated NLSFs */ - silk_NLSF_VQ_weights_laroia( pNLSFW0_temp_QW, pNLSF0_temp_Q15, psEncC->predictLPCOrder ); - - /* Update NLSF weights with contribution from first half */ - i_sqr_Q15 = silk_LSHIFT( silk_SMULBB( psEncC->indices.NLSFInterpCoef_Q2, psEncC->indices.NLSFInterpCoef_Q2 ), 11 ); - for( i = 0; i < psEncC->predictLPCOrder; i++ ) { - pNLSFW_QW[ i ] = silk_SMLAWB( silk_RSHIFT( pNLSFW_QW[ i ], 1 ), (opus_int32)pNLSFW0_temp_QW[ i ], i_sqr_Q15 ); - silk_assert( pNLSFW_QW[ i ] >= 1 ); - } - } - - silk_NLSF_encode( psEncC->indices.NLSFIndices, pNLSF_Q15, psEncC->psNLSF_CB, pNLSFW_QW, - NLSF_mu_Q20, psEncC->NLSF_MSVQ_Survivors, psEncC->indices.signalType ); - - /* Convert quantized NLSFs back to LPC coefficients */ - silk_NLSF2A( PredCoef_Q12[ 1 ], pNLSF_Q15, psEncC->predictLPCOrder ); - - if( doInterpolate ) { - /* Calculate the interpolated, quantized LSF vector for the first half */ - silk_interpolate( pNLSF0_temp_Q15, prev_NLSFq_Q15, pNLSF_Q15, - psEncC->indices.NLSFInterpCoef_Q2, psEncC->predictLPCOrder ); - - /* Convert back to LPC coefficients */ - silk_NLSF2A( PredCoef_Q12[ 0 ], pNLSF0_temp_Q15, psEncC->predictLPCOrder ); - - } else { - /* Copy LPC coefficients for first half from second half */ - silk_memcpy( PredCoef_Q12[ 0 ], PredCoef_Q12[ 1 ], psEncC->predictLPCOrder * sizeof( opus_int16 ) ); - } -} diff --git a/src/opus-1.1/silk/quant_LTP_gains.c b/src/opus-1.1/silk/quant_LTP_gains.c deleted file mode 100644 index fd0870da..00000000 --- a/src/opus-1.1/silk/quant_LTP_gains.c +++ /dev/null @@ -1,128 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "tuning_parameters.h" - -void silk_quant_LTP_gains( - opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (un)quantized LTP gains */ - opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook Index */ - opus_int8 *periodicity_index, /* O Periodicity Index */ - opus_int32 *sum_log_gain_Q7, /* I/O Cumulative max prediction gain */ - const opus_int32 W_Q18[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error Weights in Q18 */ - opus_int mu_Q9, /* I Mu value (R/D tradeoff) */ - opus_int lowComplexity, /* I Flag for low complexity */ - const opus_int nb_subfr /* I number of subframes */ -) -{ - opus_int j, k, cbk_size; - opus_int8 temp_idx[ MAX_NB_SUBFR ]; - const opus_uint8 *cl_ptr_Q5; - const opus_int8 *cbk_ptr_Q7; - const opus_uint8 *cbk_gain_ptr_Q7; - const opus_int16 *b_Q14_ptr; - const opus_int32 *W_Q18_ptr; - opus_int32 rate_dist_Q14_subfr, rate_dist_Q14, min_rate_dist_Q14; - opus_int32 sum_log_gain_tmp_Q7, best_sum_log_gain_Q7, max_gain_Q7, gain_Q7; - - /***************************************************/ - /* iterate over different codebooks with different */ - /* rates/distortions, and choose best */ - /***************************************************/ - min_rate_dist_Q14 = silk_int32_MAX; - best_sum_log_gain_Q7 = 0; - for( k = 0; k < 3; k++ ) { - /* Safety margin for pitch gain control, to take into account factors - such as state rescaling/rewhitening. */ - opus_int32 gain_safety = SILK_FIX_CONST( 0.4, 7 ); - - cl_ptr_Q5 = silk_LTP_gain_BITS_Q5_ptrs[ k ]; - cbk_ptr_Q7 = silk_LTP_vq_ptrs_Q7[ k ]; - cbk_gain_ptr_Q7 = silk_LTP_vq_gain_ptrs_Q7[ k ]; - cbk_size = silk_LTP_vq_sizes[ k ]; - - /* Set up pointer to first subframe */ - W_Q18_ptr = W_Q18; - b_Q14_ptr = B_Q14; - - rate_dist_Q14 = 0; - sum_log_gain_tmp_Q7 = *sum_log_gain_Q7; - for( j = 0; j < nb_subfr; j++ ) { - max_gain_Q7 = silk_log2lin( ( SILK_FIX_CONST( MAX_SUM_LOG_GAIN_DB / 6.0, 7 ) - sum_log_gain_tmp_Q7 ) - + SILK_FIX_CONST( 7, 7 ) ) - gain_safety; - - silk_VQ_WMat_EC( - &temp_idx[ j ], /* O index of best codebook vector */ - &rate_dist_Q14_subfr, /* O best weighted quantization error + mu * rate */ - &gain_Q7, /* O sum of absolute LTP coefficients */ - b_Q14_ptr, /* I input vector to be quantized */ - W_Q18_ptr, /* I weighting matrix */ - cbk_ptr_Q7, /* I codebook */ - cbk_gain_ptr_Q7, /* I codebook effective gains */ - cl_ptr_Q5, /* I code length for each codebook vector */ - mu_Q9, /* I tradeoff between weighted error and rate */ - max_gain_Q7, /* I maximum sum of absolute LTP coefficients */ - cbk_size /* I number of vectors in codebook */ - ); - - rate_dist_Q14 = silk_ADD_POS_SAT32( rate_dist_Q14, rate_dist_Q14_subfr ); - sum_log_gain_tmp_Q7 = silk_max(0, sum_log_gain_tmp_Q7 - + silk_lin2log( gain_safety + gain_Q7 ) - SILK_FIX_CONST( 7, 7 )); - - b_Q14_ptr += LTP_ORDER; - W_Q18_ptr += LTP_ORDER * LTP_ORDER; - } - - /* Avoid never finding a codebook */ - rate_dist_Q14 = silk_min( silk_int32_MAX - 1, rate_dist_Q14 ); - - if( rate_dist_Q14 < min_rate_dist_Q14 ) { - min_rate_dist_Q14 = rate_dist_Q14; - *periodicity_index = (opus_int8)k; - silk_memcpy( cbk_index, temp_idx, nb_subfr * sizeof( opus_int8 ) ); - best_sum_log_gain_Q7 = sum_log_gain_tmp_Q7; - } - - /* Break early in low-complexity mode if rate distortion is below threshold */ - if( lowComplexity && ( rate_dist_Q14 < silk_LTP_gain_middle_avg_RD_Q14 ) ) { - break; - } - } - - cbk_ptr_Q7 = silk_LTP_vq_ptrs_Q7[ *periodicity_index ]; - for( j = 0; j < nb_subfr; j++ ) { - for( k = 0; k < LTP_ORDER; k++ ) { - B_Q14[ j * LTP_ORDER + k ] = silk_LSHIFT( cbk_ptr_Q7[ cbk_index[ j ] * LTP_ORDER + k ], 7 ); - } - } - *sum_log_gain_Q7 = best_sum_log_gain_Q7; -} - diff --git a/src/opus-1.1/silk/resampler.c b/src/opus-1.1/silk/resampler.c deleted file mode 100644 index 374fbb37..00000000 --- a/src/opus-1.1/silk/resampler.c +++ /dev/null @@ -1,215 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* - * Matrix of resampling methods used: - * Fs_out (kHz) - * 8 12 16 24 48 - * - * 8 C UF U UF UF - * 12 AF C UF U UF - * Fs_in (kHz) 16 D AF C UF UF - * 24 AF D AF C U - * 48 AF AF AF D C - * - * C -> Copy (no resampling) - * D -> Allpass-based 2x downsampling - * U -> Allpass-based 2x upsampling - * UF -> Allpass-based 2x upsampling followed by FIR interpolation - * AF -> AR2 filter followed by FIR interpolation - */ - -#include "resampler_private.h" - -/* Tables with delay compensation values to equalize total delay for different modes */ -static const opus_int8 delay_matrix_enc[ 5 ][ 3 ] = { -/* in \ out 8 12 16 */ -/* 8 */ { 6, 0, 3 }, -/* 12 */ { 0, 7, 3 }, -/* 16 */ { 0, 1, 10 }, -/* 24 */ { 0, 2, 6 }, -/* 48 */ { 18, 10, 12 } -}; - -static const opus_int8 delay_matrix_dec[ 3 ][ 5 ] = { -/* in \ out 8 12 16 24 48 */ -/* 8 */ { 4, 0, 2, 0, 0 }, -/* 12 */ { 0, 9, 4, 7, 4 }, -/* 16 */ { 0, 3, 12, 7, 7 } -}; - -/* Simple way to make [8000, 12000, 16000, 24000, 48000] to [0, 1, 2, 3, 4] */ -#define rateID(R) ( ( ( ((R)>>12) - ((R)>16000) ) >> ((R)>24000) ) - 1 ) - -#define USE_silk_resampler_copy (0) -#define USE_silk_resampler_private_up2_HQ_wrapper (1) -#define USE_silk_resampler_private_IIR_FIR (2) -#define USE_silk_resampler_private_down_FIR (3) - -/* Initialize/reset the resampler state for a given pair of input/output sampling rates */ -opus_int silk_resampler_init( - silk_resampler_state_struct *S, /* I/O Resampler state */ - opus_int32 Fs_Hz_in, /* I Input sampling rate (Hz) */ - opus_int32 Fs_Hz_out, /* I Output sampling rate (Hz) */ - opus_int forEnc /* I If 1: encoder; if 0: decoder */ -) -{ - opus_int up2x; - - /* Clear state */ - silk_memset( S, 0, sizeof( silk_resampler_state_struct ) ); - - /* Input checking */ - if( forEnc ) { - if( ( Fs_Hz_in != 8000 && Fs_Hz_in != 12000 && Fs_Hz_in != 16000 && Fs_Hz_in != 24000 && Fs_Hz_in != 48000 ) || - ( Fs_Hz_out != 8000 && Fs_Hz_out != 12000 && Fs_Hz_out != 16000 ) ) { - silk_assert( 0 ); - return -1; - } - S->inputDelay = delay_matrix_enc[ rateID( Fs_Hz_in ) ][ rateID( Fs_Hz_out ) ]; - } else { - if( ( Fs_Hz_in != 8000 && Fs_Hz_in != 12000 && Fs_Hz_in != 16000 ) || - ( Fs_Hz_out != 8000 && Fs_Hz_out != 12000 && Fs_Hz_out != 16000 && Fs_Hz_out != 24000 && Fs_Hz_out != 48000 ) ) { - silk_assert( 0 ); - return -1; - } - S->inputDelay = delay_matrix_dec[ rateID( Fs_Hz_in ) ][ rateID( Fs_Hz_out ) ]; - } - - S->Fs_in_kHz = silk_DIV32_16( Fs_Hz_in, 1000 ); - S->Fs_out_kHz = silk_DIV32_16( Fs_Hz_out, 1000 ); - - /* Number of samples processed per batch */ - S->batchSize = S->Fs_in_kHz * RESAMPLER_MAX_BATCH_SIZE_MS; - - /* Find resampler with the right sampling ratio */ - up2x = 0; - if( Fs_Hz_out > Fs_Hz_in ) { - /* Upsample */ - if( Fs_Hz_out == silk_MUL( Fs_Hz_in, 2 ) ) { /* Fs_out : Fs_in = 2 : 1 */ - /* Special case: directly use 2x upsampler */ - S->resampler_function = USE_silk_resampler_private_up2_HQ_wrapper; - } else { - /* Default resampler */ - S->resampler_function = USE_silk_resampler_private_IIR_FIR; - up2x = 1; - } - } else if ( Fs_Hz_out < Fs_Hz_in ) { - /* Downsample */ - S->resampler_function = USE_silk_resampler_private_down_FIR; - if( silk_MUL( Fs_Hz_out, 4 ) == silk_MUL( Fs_Hz_in, 3 ) ) { /* Fs_out : Fs_in = 3 : 4 */ - S->FIR_Fracs = 3; - S->FIR_Order = RESAMPLER_DOWN_ORDER_FIR0; - S->Coefs = silk_Resampler_3_4_COEFS; - } else if( silk_MUL( Fs_Hz_out, 3 ) == silk_MUL( Fs_Hz_in, 2 ) ) { /* Fs_out : Fs_in = 2 : 3 */ - S->FIR_Fracs = 2; - S->FIR_Order = RESAMPLER_DOWN_ORDER_FIR0; - S->Coefs = silk_Resampler_2_3_COEFS; - } else if( silk_MUL( Fs_Hz_out, 2 ) == Fs_Hz_in ) { /* Fs_out : Fs_in = 1 : 2 */ - S->FIR_Fracs = 1; - S->FIR_Order = RESAMPLER_DOWN_ORDER_FIR1; - S->Coefs = silk_Resampler_1_2_COEFS; - } else if( silk_MUL( Fs_Hz_out, 3 ) == Fs_Hz_in ) { /* Fs_out : Fs_in = 1 : 3 */ - S->FIR_Fracs = 1; - S->FIR_Order = RESAMPLER_DOWN_ORDER_FIR2; - S->Coefs = silk_Resampler_1_3_COEFS; - } else if( silk_MUL( Fs_Hz_out, 4 ) == Fs_Hz_in ) { /* Fs_out : Fs_in = 1 : 4 */ - S->FIR_Fracs = 1; - S->FIR_Order = RESAMPLER_DOWN_ORDER_FIR2; - S->Coefs = silk_Resampler_1_4_COEFS; - } else if( silk_MUL( Fs_Hz_out, 6 ) == Fs_Hz_in ) { /* Fs_out : Fs_in = 1 : 6 */ - S->FIR_Fracs = 1; - S->FIR_Order = RESAMPLER_DOWN_ORDER_FIR2; - S->Coefs = silk_Resampler_1_6_COEFS; - } else { - /* None available */ - silk_assert( 0 ); - return -1; - } - } else { - /* Input and output sampling rates are equal: copy */ - S->resampler_function = USE_silk_resampler_copy; - } - - /* Ratio of input/output samples */ - S->invRatio_Q16 = silk_LSHIFT32( silk_DIV32( silk_LSHIFT32( Fs_Hz_in, 14 + up2x ), Fs_Hz_out ), 2 ); - /* Make sure the ratio is rounded up */ - while( silk_SMULWW( S->invRatio_Q16, Fs_Hz_out ) < silk_LSHIFT32( Fs_Hz_in, up2x ) ) { - S->invRatio_Q16++; - } - - return 0; -} - -/* Resampler: convert from one sampling rate to another */ -/* Input and output sampling rate are at most 48000 Hz */ -opus_int silk_resampler( - silk_resampler_state_struct *S, /* I/O Resampler state */ - opus_int16 out[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - opus_int32 inLen /* I Number of input samples */ -) -{ - opus_int nSamples; - - /* Need at least 1 ms of input data */ - silk_assert( inLen >= S->Fs_in_kHz ); - /* Delay can't exceed the 1 ms of buffering */ - silk_assert( S->inputDelay <= S->Fs_in_kHz ); - - nSamples = S->Fs_in_kHz - S->inputDelay; - - /* Copy to delay buffer */ - silk_memcpy( &S->delayBuf[ S->inputDelay ], in, nSamples * sizeof( opus_int16 ) ); - - switch( S->resampler_function ) { - case USE_silk_resampler_private_up2_HQ_wrapper: - silk_resampler_private_up2_HQ_wrapper( S, out, S->delayBuf, S->Fs_in_kHz ); - silk_resampler_private_up2_HQ_wrapper( S, &out[ S->Fs_out_kHz ], &in[ nSamples ], inLen - S->Fs_in_kHz ); - break; - case USE_silk_resampler_private_IIR_FIR: - silk_resampler_private_IIR_FIR( S, out, S->delayBuf, S->Fs_in_kHz ); - silk_resampler_private_IIR_FIR( S, &out[ S->Fs_out_kHz ], &in[ nSamples ], inLen - S->Fs_in_kHz ); - break; - case USE_silk_resampler_private_down_FIR: - silk_resampler_private_down_FIR( S, out, S->delayBuf, S->Fs_in_kHz ); - silk_resampler_private_down_FIR( S, &out[ S->Fs_out_kHz ], &in[ nSamples ], inLen - S->Fs_in_kHz ); - break; - default: - silk_memcpy( out, S->delayBuf, S->Fs_in_kHz * sizeof( opus_int16 ) ); - silk_memcpy( &out[ S->Fs_out_kHz ], &in[ nSamples ], ( inLen - S->Fs_in_kHz ) * sizeof( opus_int16 ) ); - } - - /* Copy to delay buffer */ - silk_memcpy( S->delayBuf, &in[ inLen - S->inputDelay ], S->inputDelay * sizeof( opus_int16 ) ); - - return 0; -} diff --git a/src/opus-1.1/silk/resampler_down2.c b/src/opus-1.1/silk/resampler_down2.c deleted file mode 100644 index cec36346..00000000 --- a/src/opus-1.1/silk/resampler_down2.c +++ /dev/null @@ -1,74 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "resampler_rom.h" - -/* Downsample by a factor 2 */ -void silk_resampler_down2( - opus_int32 *S, /* I/O State vector [ 2 ] */ - opus_int16 *out, /* O Output signal [ floor(len/2) ] */ - const opus_int16 *in, /* I Input signal [ len ] */ - opus_int32 inLen /* I Number of input samples */ -) -{ - opus_int32 k, len2 = silk_RSHIFT32( inLen, 1 ); - opus_int32 in32, out32, Y, X; - - silk_assert( silk_resampler_down2_0 > 0 ); - silk_assert( silk_resampler_down2_1 < 0 ); - - /* Internal variables and state are in Q10 format */ - for( k = 0; k < len2; k++ ) { - /* Convert to Q10 */ - in32 = silk_LSHIFT( (opus_int32)in[ 2 * k ], 10 ); - - /* All-pass section for even input sample */ - Y = silk_SUB32( in32, S[ 0 ] ); - X = silk_SMLAWB( Y, Y, silk_resampler_down2_1 ); - out32 = silk_ADD32( S[ 0 ], X ); - S[ 0 ] = silk_ADD32( in32, X ); - - /* Convert to Q10 */ - in32 = silk_LSHIFT( (opus_int32)in[ 2 * k + 1 ], 10 ); - - /* All-pass section for odd input sample, and add to output of previous section */ - Y = silk_SUB32( in32, S[ 1 ] ); - X = silk_SMULWB( Y, silk_resampler_down2_0 ); - out32 = silk_ADD32( out32, S[ 1 ] ); - out32 = silk_ADD32( out32, X ); - S[ 1 ] = silk_ADD32( in32, X ); - - /* Add, convert back to int16 and store to output */ - out[ k ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( out32, 11 ) ); - } -} - diff --git a/src/opus-1.1/silk/resampler_down2_3.c b/src/opus-1.1/silk/resampler_down2_3.c deleted file mode 100644 index 4342614d..00000000 --- a/src/opus-1.1/silk/resampler_down2_3.c +++ /dev/null @@ -1,103 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "resampler_private.h" -#include "stack_alloc.h" - -#define ORDER_FIR 4 - -/* Downsample by a factor 2/3, low quality */ -void silk_resampler_down2_3( - opus_int32 *S, /* I/O State vector [ 6 ] */ - opus_int16 *out, /* O Output signal [ floor(2*inLen/3) ] */ - const opus_int16 *in, /* I Input signal [ inLen ] */ - opus_int32 inLen /* I Number of input samples */ -) -{ - opus_int32 nSamplesIn, counter, res_Q6; - VARDECL( opus_int32, buf ); - opus_int32 *buf_ptr; - SAVE_STACK; - - ALLOC( buf, RESAMPLER_MAX_BATCH_SIZE_IN + ORDER_FIR, opus_int32 ); - - /* Copy buffered samples to start of buffer */ - silk_memcpy( buf, S, ORDER_FIR * sizeof( opus_int32 ) ); - - /* Iterate over blocks of frameSizeIn input samples */ - while( 1 ) { - nSamplesIn = silk_min( inLen, RESAMPLER_MAX_BATCH_SIZE_IN ); - - /* Second-order AR filter (output in Q8) */ - silk_resampler_private_AR2( &S[ ORDER_FIR ], &buf[ ORDER_FIR ], in, - silk_Resampler_2_3_COEFS_LQ, nSamplesIn ); - - /* Interpolate filtered signal */ - buf_ptr = buf; - counter = nSamplesIn; - while( counter > 2 ) { - /* Inner product */ - res_Q6 = silk_SMULWB( buf_ptr[ 0 ], silk_Resampler_2_3_COEFS_LQ[ 2 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 1 ], silk_Resampler_2_3_COEFS_LQ[ 3 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 2 ], silk_Resampler_2_3_COEFS_LQ[ 5 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 3 ], silk_Resampler_2_3_COEFS_LQ[ 4 ] ); - - /* Scale down, saturate and store in output array */ - *out++ = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( res_Q6, 6 ) ); - - res_Q6 = silk_SMULWB( buf_ptr[ 1 ], silk_Resampler_2_3_COEFS_LQ[ 4 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 2 ], silk_Resampler_2_3_COEFS_LQ[ 5 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 3 ], silk_Resampler_2_3_COEFS_LQ[ 3 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 4 ], silk_Resampler_2_3_COEFS_LQ[ 2 ] ); - - /* Scale down, saturate and store in output array */ - *out++ = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( res_Q6, 6 ) ); - - buf_ptr += 3; - counter -= 3; - } - - in += nSamplesIn; - inLen -= nSamplesIn; - - if( inLen > 0 ) { - /* More iterations to do; copy last part of filtered signal to beginning of buffer */ - silk_memcpy( buf, &buf[ nSamplesIn ], ORDER_FIR * sizeof( opus_int32 ) ); - } else { - break; - } - } - - /* Copy last part of filtered signal to the state for the next call */ - silk_memcpy( S, &buf[ nSamplesIn ], ORDER_FIR * sizeof( opus_int32 ) ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/resampler_private.h b/src/opus-1.1/silk/resampler_private.h deleted file mode 100644 index 422a7d9d..00000000 --- a/src/opus-1.1/silk/resampler_private.h +++ /dev/null @@ -1,88 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_RESAMPLER_PRIVATE_H -#define SILK_RESAMPLER_PRIVATE_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include "SigProc_FIX.h" -#include "resampler_structs.h" -#include "resampler_rom.h" - -/* Number of input samples to process in the inner loop */ -#define RESAMPLER_MAX_BATCH_SIZE_MS 10 -#define RESAMPLER_MAX_FS_KHZ 48 -#define RESAMPLER_MAX_BATCH_SIZE_IN ( RESAMPLER_MAX_BATCH_SIZE_MS * RESAMPLER_MAX_FS_KHZ ) - -/* Description: Hybrid IIR/FIR polyphase implementation of resampling */ -void silk_resampler_private_IIR_FIR( - void *SS, /* I/O Resampler state */ - opus_int16 out[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - opus_int32 inLen /* I Number of input samples */ -); - -/* Description: Hybrid IIR/FIR polyphase implementation of resampling */ -void silk_resampler_private_down_FIR( - void *SS, /* I/O Resampler state */ - opus_int16 out[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - opus_int32 inLen /* I Number of input samples */ -); - -/* Upsample by a factor 2, high quality */ -void silk_resampler_private_up2_HQ_wrapper( - void *SS, /* I/O Resampler state (unused) */ - opus_int16 *out, /* O Output signal [ 2 * len ] */ - const opus_int16 *in, /* I Input signal [ len ] */ - opus_int32 len /* I Number of input samples */ -); - -/* Upsample by a factor 2, high quality */ -void silk_resampler_private_up2_HQ( - opus_int32 *S, /* I/O Resampler state [ 6 ] */ - opus_int16 *out, /* O Output signal [ 2 * len ] */ - const opus_int16 *in, /* I Input signal [ len ] */ - opus_int32 len /* I Number of input samples */ -); - -/* Second order AR filter */ -void silk_resampler_private_AR2( - opus_int32 S[], /* I/O State vector [ 2 ] */ - opus_int32 out_Q8[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - const opus_int16 A_Q14[], /* I AR coefficients, Q14 */ - opus_int32 len /* I Signal length */ -); - -#ifdef __cplusplus -} -#endif -#endif /* SILK_RESAMPLER_PRIVATE_H */ diff --git a/src/opus-1.1/silk/resampler_private_AR2.c b/src/opus-1.1/silk/resampler_private_AR2.c deleted file mode 100644 index 5fff2371..00000000 --- a/src/opus-1.1/silk/resampler_private_AR2.c +++ /dev/null @@ -1,55 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "resampler_private.h" - -/* Second order AR filter with single delay elements */ -void silk_resampler_private_AR2( - opus_int32 S[], /* I/O State vector [ 2 ] */ - opus_int32 out_Q8[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - const opus_int16 A_Q14[], /* I AR coefficients, Q14 */ - opus_int32 len /* I Signal length */ -) -{ - opus_int32 k; - opus_int32 out32; - - for( k = 0; k < len; k++ ) { - out32 = silk_ADD_LSHIFT32( S[ 0 ], (opus_int32)in[ k ], 8 ); - out_Q8[ k ] = out32; - out32 = silk_LSHIFT( out32, 2 ); - S[ 0 ] = silk_SMLAWB( S[ 1 ], out32, A_Q14[ 0 ] ); - S[ 1 ] = silk_SMULWB( out32, A_Q14[ 1 ] ); - } -} - diff --git a/src/opus-1.1/silk/resampler_private_IIR_FIR.c b/src/opus-1.1/silk/resampler_private_IIR_FIR.c deleted file mode 100644 index 6b2b3a2e..00000000 --- a/src/opus-1.1/silk/resampler_private_IIR_FIR.c +++ /dev/null @@ -1,107 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "resampler_private.h" -#include "stack_alloc.h" - -static OPUS_INLINE opus_int16 *silk_resampler_private_IIR_FIR_INTERPOL( - opus_int16 *out, - opus_int16 *buf, - opus_int32 max_index_Q16, - opus_int32 index_increment_Q16 -) -{ - opus_int32 index_Q16, res_Q15; - opus_int16 *buf_ptr; - opus_int32 table_index; - - /* Interpolate upsampled signal and store in output array */ - for( index_Q16 = 0; index_Q16 < max_index_Q16; index_Q16 += index_increment_Q16 ) { - table_index = silk_SMULWB( index_Q16 & 0xFFFF, 12 ); - buf_ptr = &buf[ index_Q16 >> 16 ]; - - res_Q15 = silk_SMULBB( buf_ptr[ 0 ], silk_resampler_frac_FIR_12[ table_index ][ 0 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 1 ], silk_resampler_frac_FIR_12[ table_index ][ 1 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 2 ], silk_resampler_frac_FIR_12[ table_index ][ 2 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 3 ], silk_resampler_frac_FIR_12[ table_index ][ 3 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 4 ], silk_resampler_frac_FIR_12[ 11 - table_index ][ 3 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 5 ], silk_resampler_frac_FIR_12[ 11 - table_index ][ 2 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 6 ], silk_resampler_frac_FIR_12[ 11 - table_index ][ 1 ] ); - res_Q15 = silk_SMLABB( res_Q15, buf_ptr[ 7 ], silk_resampler_frac_FIR_12[ 11 - table_index ][ 0 ] ); - *out++ = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( res_Q15, 15 ) ); - } - return out; -} -/* Upsample using a combination of allpass-based 2x upsampling and FIR interpolation */ -void silk_resampler_private_IIR_FIR( - void *SS, /* I/O Resampler state */ - opus_int16 out[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - opus_int32 inLen /* I Number of input samples */ -) -{ - silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS; - opus_int32 nSamplesIn; - opus_int32 max_index_Q16, index_increment_Q16; - VARDECL( opus_int16, buf ); - SAVE_STACK; - - ALLOC( buf, 2 * S->batchSize + RESAMPLER_ORDER_FIR_12, opus_int16 ); - - /* Copy buffered samples to start of buffer */ - silk_memcpy( buf, S->sFIR.i16, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) ); - - /* Iterate over blocks of frameSizeIn input samples */ - index_increment_Q16 = S->invRatio_Q16; - while( 1 ) { - nSamplesIn = silk_min( inLen, S->batchSize ); - - /* Upsample 2x */ - silk_resampler_private_up2_HQ( S->sIIR, &buf[ RESAMPLER_ORDER_FIR_12 ], in, nSamplesIn ); - - max_index_Q16 = silk_LSHIFT32( nSamplesIn, 16 + 1 ); /* + 1 because 2x upsampling */ - out = silk_resampler_private_IIR_FIR_INTERPOL( out, buf, max_index_Q16, index_increment_Q16 ); - in += nSamplesIn; - inLen -= nSamplesIn; - - if( inLen > 0 ) { - /* More iterations to do; copy last part of filtered signal to beginning of buffer */ - silk_memcpy( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) ); - } else { - break; - } - } - - /* Copy last part of filtered signal to the state for the next call */ - silk_memcpy( S->sFIR.i16, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/resampler_private_down_FIR.c b/src/opus-1.1/silk/resampler_private_down_FIR.c deleted file mode 100644 index 783e42b3..00000000 --- a/src/opus-1.1/silk/resampler_private_down_FIR.c +++ /dev/null @@ -1,194 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "resampler_private.h" -#include "stack_alloc.h" - -static OPUS_INLINE opus_int16 *silk_resampler_private_down_FIR_INTERPOL( - opus_int16 *out, - opus_int32 *buf, - const opus_int16 *FIR_Coefs, - opus_int FIR_Order, - opus_int FIR_Fracs, - opus_int32 max_index_Q16, - opus_int32 index_increment_Q16 -) -{ - opus_int32 index_Q16, res_Q6; - opus_int32 *buf_ptr; - opus_int32 interpol_ind; - const opus_int16 *interpol_ptr; - - switch( FIR_Order ) { - case RESAMPLER_DOWN_ORDER_FIR0: - for( index_Q16 = 0; index_Q16 < max_index_Q16; index_Q16 += index_increment_Q16 ) { - /* Integer part gives pointer to buffered input */ - buf_ptr = buf + silk_RSHIFT( index_Q16, 16 ); - - /* Fractional part gives interpolation coefficients */ - interpol_ind = silk_SMULWB( index_Q16 & 0xFFFF, FIR_Fracs ); - - /* Inner product */ - interpol_ptr = &FIR_Coefs[ RESAMPLER_DOWN_ORDER_FIR0 / 2 * interpol_ind ]; - res_Q6 = silk_SMULWB( buf_ptr[ 0 ], interpol_ptr[ 0 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 1 ], interpol_ptr[ 1 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 2 ], interpol_ptr[ 2 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 3 ], interpol_ptr[ 3 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 4 ], interpol_ptr[ 4 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 5 ], interpol_ptr[ 5 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 6 ], interpol_ptr[ 6 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 7 ], interpol_ptr[ 7 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 8 ], interpol_ptr[ 8 ] ); - interpol_ptr = &FIR_Coefs[ RESAMPLER_DOWN_ORDER_FIR0 / 2 * ( FIR_Fracs - 1 - interpol_ind ) ]; - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 17 ], interpol_ptr[ 0 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 16 ], interpol_ptr[ 1 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 15 ], interpol_ptr[ 2 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 14 ], interpol_ptr[ 3 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 13 ], interpol_ptr[ 4 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 12 ], interpol_ptr[ 5 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 11 ], interpol_ptr[ 6 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 10 ], interpol_ptr[ 7 ] ); - res_Q6 = silk_SMLAWB( res_Q6, buf_ptr[ 9 ], interpol_ptr[ 8 ] ); - - /* Scale down, saturate and store in output array */ - *out++ = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( res_Q6, 6 ) ); - } - break; - case RESAMPLER_DOWN_ORDER_FIR1: - for( index_Q16 = 0; index_Q16 < max_index_Q16; index_Q16 += index_increment_Q16 ) { - /* Integer part gives pointer to buffered input */ - buf_ptr = buf + silk_RSHIFT( index_Q16, 16 ); - - /* Inner product */ - res_Q6 = silk_SMULWB( silk_ADD32( buf_ptr[ 0 ], buf_ptr[ 23 ] ), FIR_Coefs[ 0 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 1 ], buf_ptr[ 22 ] ), FIR_Coefs[ 1 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 2 ], buf_ptr[ 21 ] ), FIR_Coefs[ 2 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 3 ], buf_ptr[ 20 ] ), FIR_Coefs[ 3 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 4 ], buf_ptr[ 19 ] ), FIR_Coefs[ 4 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 5 ], buf_ptr[ 18 ] ), FIR_Coefs[ 5 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 6 ], buf_ptr[ 17 ] ), FIR_Coefs[ 6 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 7 ], buf_ptr[ 16 ] ), FIR_Coefs[ 7 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 8 ], buf_ptr[ 15 ] ), FIR_Coefs[ 8 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 9 ], buf_ptr[ 14 ] ), FIR_Coefs[ 9 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 10 ], buf_ptr[ 13 ] ), FIR_Coefs[ 10 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 11 ], buf_ptr[ 12 ] ), FIR_Coefs[ 11 ] ); - - /* Scale down, saturate and store in output array */ - *out++ = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( res_Q6, 6 ) ); - } - break; - case RESAMPLER_DOWN_ORDER_FIR2: - for( index_Q16 = 0; index_Q16 < max_index_Q16; index_Q16 += index_increment_Q16 ) { - /* Integer part gives pointer to buffered input */ - buf_ptr = buf + silk_RSHIFT( index_Q16, 16 ); - - /* Inner product */ - res_Q6 = silk_SMULWB( silk_ADD32( buf_ptr[ 0 ], buf_ptr[ 35 ] ), FIR_Coefs[ 0 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 1 ], buf_ptr[ 34 ] ), FIR_Coefs[ 1 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 2 ], buf_ptr[ 33 ] ), FIR_Coefs[ 2 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 3 ], buf_ptr[ 32 ] ), FIR_Coefs[ 3 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 4 ], buf_ptr[ 31 ] ), FIR_Coefs[ 4 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 5 ], buf_ptr[ 30 ] ), FIR_Coefs[ 5 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 6 ], buf_ptr[ 29 ] ), FIR_Coefs[ 6 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 7 ], buf_ptr[ 28 ] ), FIR_Coefs[ 7 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 8 ], buf_ptr[ 27 ] ), FIR_Coefs[ 8 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 9 ], buf_ptr[ 26 ] ), FIR_Coefs[ 9 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 10 ], buf_ptr[ 25 ] ), FIR_Coefs[ 10 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 11 ], buf_ptr[ 24 ] ), FIR_Coefs[ 11 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 12 ], buf_ptr[ 23 ] ), FIR_Coefs[ 12 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 13 ], buf_ptr[ 22 ] ), FIR_Coefs[ 13 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 14 ], buf_ptr[ 21 ] ), FIR_Coefs[ 14 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 15 ], buf_ptr[ 20 ] ), FIR_Coefs[ 15 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 16 ], buf_ptr[ 19 ] ), FIR_Coefs[ 16 ] ); - res_Q6 = silk_SMLAWB( res_Q6, silk_ADD32( buf_ptr[ 17 ], buf_ptr[ 18 ] ), FIR_Coefs[ 17 ] ); - - /* Scale down, saturate and store in output array */ - *out++ = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( res_Q6, 6 ) ); - } - break; - default: - silk_assert( 0 ); - } - return out; -} - -/* Resample with a 2nd order AR filter followed by FIR interpolation */ -void silk_resampler_private_down_FIR( - void *SS, /* I/O Resampler state */ - opus_int16 out[], /* O Output signal */ - const opus_int16 in[], /* I Input signal */ - opus_int32 inLen /* I Number of input samples */ -) -{ - silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS; - opus_int32 nSamplesIn; - opus_int32 max_index_Q16, index_increment_Q16; - VARDECL( opus_int32, buf ); - const opus_int16 *FIR_Coefs; - SAVE_STACK; - - ALLOC( buf, S->batchSize + S->FIR_Order, opus_int32 ); - - /* Copy buffered samples to start of buffer */ - silk_memcpy( buf, S->sFIR.i32, S->FIR_Order * sizeof( opus_int32 ) ); - - FIR_Coefs = &S->Coefs[ 2 ]; - - /* Iterate over blocks of frameSizeIn input samples */ - index_increment_Q16 = S->invRatio_Q16; - while( 1 ) { - nSamplesIn = silk_min( inLen, S->batchSize ); - - /* Second-order AR filter (output in Q8) */ - silk_resampler_private_AR2( S->sIIR, &buf[ S->FIR_Order ], in, S->Coefs, nSamplesIn ); - - max_index_Q16 = silk_LSHIFT32( nSamplesIn, 16 ); - - /* Interpolate filtered signal */ - out = silk_resampler_private_down_FIR_INTERPOL( out, buf, FIR_Coefs, S->FIR_Order, - S->FIR_Fracs, max_index_Q16, index_increment_Q16 ); - - in += nSamplesIn; - inLen -= nSamplesIn; - - if( inLen > 1 ) { - /* More iterations to do; copy last part of filtered signal to beginning of buffer */ - silk_memcpy( buf, &buf[ nSamplesIn ], S->FIR_Order * sizeof( opus_int32 ) ); - } else { - break; - } - } - - /* Copy last part of filtered signal to the state for the next call */ - silk_memcpy( S->sFIR.i32, &buf[ nSamplesIn ], S->FIR_Order * sizeof( opus_int32 ) ); - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/resampler_private_up2_HQ.c b/src/opus-1.1/silk/resampler_private_up2_HQ.c deleted file mode 100644 index c7ec8de3..00000000 --- a/src/opus-1.1/silk/resampler_private_up2_HQ.c +++ /dev/null @@ -1,113 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" -#include "resampler_private.h" - -/* Upsample by a factor 2, high quality */ -/* Uses 2nd order allpass filters for the 2x upsampling, followed by a */ -/* notch filter just above Nyquist. */ -void silk_resampler_private_up2_HQ( - opus_int32 *S, /* I/O Resampler state [ 6 ] */ - opus_int16 *out, /* O Output signal [ 2 * len ] */ - const opus_int16 *in, /* I Input signal [ len ] */ - opus_int32 len /* I Number of input samples */ -) -{ - opus_int32 k; - opus_int32 in32, out32_1, out32_2, Y, X; - - silk_assert( silk_resampler_up2_hq_0[ 0 ] > 0 ); - silk_assert( silk_resampler_up2_hq_0[ 1 ] > 0 ); - silk_assert( silk_resampler_up2_hq_0[ 2 ] < 0 ); - silk_assert( silk_resampler_up2_hq_1[ 0 ] > 0 ); - silk_assert( silk_resampler_up2_hq_1[ 1 ] > 0 ); - silk_assert( silk_resampler_up2_hq_1[ 2 ] < 0 ); - - /* Internal variables and state are in Q10 format */ - for( k = 0; k < len; k++ ) { - /* Convert to Q10 */ - in32 = silk_LSHIFT( (opus_int32)in[ k ], 10 ); - - /* First all-pass section for even output sample */ - Y = silk_SUB32( in32, S[ 0 ] ); - X = silk_SMULWB( Y, silk_resampler_up2_hq_0[ 0 ] ); - out32_1 = silk_ADD32( S[ 0 ], X ); - S[ 0 ] = silk_ADD32( in32, X ); - - /* Second all-pass section for even output sample */ - Y = silk_SUB32( out32_1, S[ 1 ] ); - X = silk_SMULWB( Y, silk_resampler_up2_hq_0[ 1 ] ); - out32_2 = silk_ADD32( S[ 1 ], X ); - S[ 1 ] = silk_ADD32( out32_1, X ); - - /* Third all-pass section for even output sample */ - Y = silk_SUB32( out32_2, S[ 2 ] ); - X = silk_SMLAWB( Y, Y, silk_resampler_up2_hq_0[ 2 ] ); - out32_1 = silk_ADD32( S[ 2 ], X ); - S[ 2 ] = silk_ADD32( out32_2, X ); - - /* Apply gain in Q15, convert back to int16 and store to output */ - out[ 2 * k ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( out32_1, 10 ) ); - - /* First all-pass section for odd output sample */ - Y = silk_SUB32( in32, S[ 3 ] ); - X = silk_SMULWB( Y, silk_resampler_up2_hq_1[ 0 ] ); - out32_1 = silk_ADD32( S[ 3 ], X ); - S[ 3 ] = silk_ADD32( in32, X ); - - /* Second all-pass section for odd output sample */ - Y = silk_SUB32( out32_1, S[ 4 ] ); - X = silk_SMULWB( Y, silk_resampler_up2_hq_1[ 1 ] ); - out32_2 = silk_ADD32( S[ 4 ], X ); - S[ 4 ] = silk_ADD32( out32_1, X ); - - /* Third all-pass section for odd output sample */ - Y = silk_SUB32( out32_2, S[ 5 ] ); - X = silk_SMLAWB( Y, Y, silk_resampler_up2_hq_1[ 2 ] ); - out32_1 = silk_ADD32( S[ 5 ], X ); - S[ 5 ] = silk_ADD32( out32_2, X ); - - /* Apply gain in Q15, convert back to int16 and store to output */ - out[ 2 * k + 1 ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( out32_1, 10 ) ); - } -} - -void silk_resampler_private_up2_HQ_wrapper( - void *SS, /* I/O Resampler state (unused) */ - opus_int16 *out, /* O Output signal [ 2 * len ] */ - const opus_int16 *in, /* I Input signal [ len ] */ - opus_int32 len /* I Number of input samples */ -) -{ - silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS; - silk_resampler_private_up2_HQ( S->sIIR, out, in, len ); -} diff --git a/src/opus-1.1/silk/resampler_rom.c b/src/opus-1.1/silk/resampler_rom.c deleted file mode 100644 index 2d502706..00000000 --- a/src/opus-1.1/silk/resampler_rom.c +++ /dev/null @@ -1,96 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* Filter coefficients for IIR/FIR polyphase resampling * - * Total size: 179 Words (358 Bytes) */ - -#include "resampler_private.h" - -/* Matlab code for the notch filter coefficients: */ -/* B = [1, 0.147, 1]; A = [1, 0.107, 0.89]; G = 0.93; freqz(G * B, A, 2^14, 16e3); axis([0, 8000, -10, 1]) */ -/* fprintf('\t%6d, %6d, %6d, %6d\n', round(B(2)*2^16), round(-A(2)*2^16), round((1-A(3))*2^16), round(G*2^15)) */ -/* const opus_int16 silk_resampler_up2_hq_notch[ 4 ] = { 9634, -7012, 7209, 30474 }; */ - -/* Tables with IIR and FIR coefficients for fractional downsamplers (123 Words) */ -silk_DWORD_ALIGN const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_FIR0 / 2 ] = { - -20694, -13867, - -49, 64, 17, -157, 353, -496, 163, 11047, 22205, - -39, 6, 91, -170, 186, 23, -896, 6336, 19928, - -19, -36, 102, -89, -24, 328, -951, 2568, 15909, -}; - -silk_DWORD_ALIGN const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DOWN_ORDER_FIR0 / 2 ] = { - -14457, -14019, - 64, 128, -122, 36, 310, -768, 584, 9267, 17733, - 12, 128, 18, -142, 288, -117, -865, 4123, 14459, -}; - -silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR1 / 2 ] = { - 616, -14323, - -10, 39, 58, -46, -84, 120, 184, -315, -541, 1284, 5380, 9024, -}; - -silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ] = { - 16102, -15162, - -13, 0, 20, 26, 5, -31, -43, -4, 65, 90, 7, -157, -248, -44, 593, 1583, 2612, 3271, -}; - -silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ] = { - 22500, -15099, - 3, -14, -20, -15, 2, 25, 37, 25, -16, -71, -107, -79, 50, 292, 623, 982, 1288, 1464, -}; - -silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ] = { - 27540, -15257, - 17, 12, 8, 1, -10, -22, -30, -32, -22, 3, 44, 100, 168, 243, 317, 381, 429, 455, -}; - -silk_DWORD_ALIGN const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ] = { - -2797, -6507, - 4697, 10739, - 1567, 8276, -}; - -/* Table with interplation fractions of 1/24, 3/24, 5/24, ... , 23/24 : 23/24 (46 Words) */ -silk_DWORD_ALIGN const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_ORDER_FIR_12 / 2 ] = { - { 189, -600, 617, 30567 }, - { 117, -159, -1070, 29704 }, - { 52, 221, -2392, 28276 }, - { -4, 529, -3350, 26341 }, - { -48, 758, -3956, 23973 }, - { -80, 905, -4235, 21254 }, - { -99, 972, -4222, 18278 }, - { -107, 967, -3957, 15143 }, - { -103, 896, -3487, 11950 }, - { -91, 773, -2865, 8798 }, - { -71, 611, -2143, 5784 }, - { -46, 425, -1375, 2996 }, -}; diff --git a/src/opus-1.1/silk/resampler_rom.h b/src/opus-1.1/silk/resampler_rom.h deleted file mode 100644 index 490b3388..00000000 --- a/src/opus-1.1/silk/resampler_rom.h +++ /dev/null @@ -1,68 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_FIX_RESAMPLER_ROM_H -#define SILK_FIX_RESAMPLER_ROM_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -#include "typedef.h" -#include "resampler_structs.h" - -#define RESAMPLER_DOWN_ORDER_FIR0 18 -#define RESAMPLER_DOWN_ORDER_FIR1 24 -#define RESAMPLER_DOWN_ORDER_FIR2 36 -#define RESAMPLER_ORDER_FIR_12 8 - -/* Tables for 2x downsampler */ -static const opus_int16 silk_resampler_down2_0 = 9872; -static const opus_int16 silk_resampler_down2_1 = 39809 - 65536; - -/* Tables for 2x upsampler, high quality */ -static const opus_int16 silk_resampler_up2_hq_0[ 3 ] = { 1746, 14986, 39083 - 65536 }; -static const opus_int16 silk_resampler_up2_hq_1[ 3 ] = { 6854, 25769, 55542 - 65536 }; - -/* Tables with IIR and FIR coefficients for fractional downsamplers */ -extern const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_FIR0 / 2 ]; -extern const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DOWN_ORDER_FIR0 / 2 ]; -extern const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR1 / 2 ]; -extern const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ]; -extern const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ]; -extern const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ]; -extern const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ]; - -/* Table with interplation fractions of 1/24, 3/24, ..., 23/24 */ -extern const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_ORDER_FIR_12 / 2 ]; - -#ifdef __cplusplus -} -#endif - -#endif /* SILK_FIX_RESAMPLER_ROM_H */ diff --git a/src/opus-1.1/silk/resampler_structs.h b/src/opus-1.1/silk/resampler_structs.h deleted file mode 100644 index 9e9457d1..00000000 --- a/src/opus-1.1/silk/resampler_structs.h +++ /dev/null @@ -1,60 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_RESAMPLER_STRUCTS_H -#define SILK_RESAMPLER_STRUCTS_H - -#ifdef __cplusplus -extern "C" { -#endif - -#define SILK_RESAMPLER_MAX_FIR_ORDER 36 -#define SILK_RESAMPLER_MAX_IIR_ORDER 6 - -typedef struct _silk_resampler_state_struct{ - opus_int32 sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */ - union{ - opus_int32 i32[ SILK_RESAMPLER_MAX_FIR_ORDER ]; - opus_int16 i16[ SILK_RESAMPLER_MAX_FIR_ORDER ]; - } sFIR; - opus_int16 delayBuf[ 48 ]; - opus_int resampler_function; - opus_int batchSize; - opus_int32 invRatio_Q16; - opus_int FIR_Order; - opus_int FIR_Fracs; - opus_int Fs_in_kHz; - opus_int Fs_out_kHz; - opus_int inputDelay; - const opus_int16 *Coefs; -} silk_resampler_state_struct; - -#ifdef __cplusplus -} -#endif -#endif /* SILK_RESAMPLER_STRUCTS_H */ - diff --git a/src/opus-1.1/silk/shell_coder.c b/src/opus-1.1/silk/shell_coder.c deleted file mode 100644 index 796f57d6..00000000 --- a/src/opus-1.1/silk/shell_coder.c +++ /dev/null @@ -1,151 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* shell coder; pulse-subframe length is hardcoded */ - -static OPUS_INLINE void combine_pulses( - opus_int *out, /* O combined pulses vector [len] */ - const opus_int *in, /* I input vector [2 * len] */ - const opus_int len /* I number of OUTPUT samples */ -) -{ - opus_int k; - for( k = 0; k < len; k++ ) { - out[ k ] = in[ 2 * k ] + in[ 2 * k + 1 ]; - } -} - -static OPUS_INLINE void encode_split( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int p_child1, /* I pulse amplitude of first child subframe */ - const opus_int p, /* I pulse amplitude of current subframe */ - const opus_uint8 *shell_table /* I table of shell cdfs */ -) -{ - if( p > 0 ) { - ec_enc_icdf( psRangeEnc, p_child1, &shell_table[ silk_shell_code_table_offsets[ p ] ], 8 ); - } -} - -static OPUS_INLINE void decode_split( - opus_int *p_child1, /* O pulse amplitude of first child subframe */ - opus_int *p_child2, /* O pulse amplitude of second child subframe */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - const opus_int p, /* I pulse amplitude of current subframe */ - const opus_uint8 *shell_table /* I table of shell cdfs */ -) -{ - if( p > 0 ) { - p_child1[ 0 ] = ec_dec_icdf( psRangeDec, &shell_table[ silk_shell_code_table_offsets[ p ] ], 8 ); - p_child2[ 0 ] = p - p_child1[ 0 ]; - } else { - p_child1[ 0 ] = 0; - p_child2[ 0 ] = 0; - } -} - -/* Shell encoder, operates on one shell code frame of 16 pulses */ -void silk_shell_encoder( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int *pulses0 /* I data: nonnegative pulse amplitudes */ -) -{ - opus_int pulses1[ 8 ], pulses2[ 4 ], pulses3[ 2 ], pulses4[ 1 ]; - - /* this function operates on one shell code frame of 16 pulses */ - silk_assert( SHELL_CODEC_FRAME_LENGTH == 16 ); - - /* tree representation per pulse-subframe */ - combine_pulses( pulses1, pulses0, 8 ); - combine_pulses( pulses2, pulses1, 4 ); - combine_pulses( pulses3, pulses2, 2 ); - combine_pulses( pulses4, pulses3, 1 ); - - encode_split( psRangeEnc, pulses3[ 0 ], pulses4[ 0 ], silk_shell_code_table3 ); - - encode_split( psRangeEnc, pulses2[ 0 ], pulses3[ 0 ], silk_shell_code_table2 ); - - encode_split( psRangeEnc, pulses1[ 0 ], pulses2[ 0 ], silk_shell_code_table1 ); - encode_split( psRangeEnc, pulses0[ 0 ], pulses1[ 0 ], silk_shell_code_table0 ); - encode_split( psRangeEnc, pulses0[ 2 ], pulses1[ 1 ], silk_shell_code_table0 ); - - encode_split( psRangeEnc, pulses1[ 2 ], pulses2[ 1 ], silk_shell_code_table1 ); - encode_split( psRangeEnc, pulses0[ 4 ], pulses1[ 2 ], silk_shell_code_table0 ); - encode_split( psRangeEnc, pulses0[ 6 ], pulses1[ 3 ], silk_shell_code_table0 ); - - encode_split( psRangeEnc, pulses2[ 2 ], pulses3[ 1 ], silk_shell_code_table2 ); - - encode_split( psRangeEnc, pulses1[ 4 ], pulses2[ 2 ], silk_shell_code_table1 ); - encode_split( psRangeEnc, pulses0[ 8 ], pulses1[ 4 ], silk_shell_code_table0 ); - encode_split( psRangeEnc, pulses0[ 10 ], pulses1[ 5 ], silk_shell_code_table0 ); - - encode_split( psRangeEnc, pulses1[ 6 ], pulses2[ 3 ], silk_shell_code_table1 ); - encode_split( psRangeEnc, pulses0[ 12 ], pulses1[ 6 ], silk_shell_code_table0 ); - encode_split( psRangeEnc, pulses0[ 14 ], pulses1[ 7 ], silk_shell_code_table0 ); -} - - -/* Shell decoder, operates on one shell code frame of 16 pulses */ -void silk_shell_decoder( - opus_int *pulses0, /* O data: nonnegative pulse amplitudes */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - const opus_int pulses4 /* I number of pulses per pulse-subframe */ -) -{ - opus_int pulses3[ 2 ], pulses2[ 4 ], pulses1[ 8 ]; - - /* this function operates on one shell code frame of 16 pulses */ - silk_assert( SHELL_CODEC_FRAME_LENGTH == 16 ); - - decode_split( &pulses3[ 0 ], &pulses3[ 1 ], psRangeDec, pulses4, silk_shell_code_table3 ); - - decode_split( &pulses2[ 0 ], &pulses2[ 1 ], psRangeDec, pulses3[ 0 ], silk_shell_code_table2 ); - - decode_split( &pulses1[ 0 ], &pulses1[ 1 ], psRangeDec, pulses2[ 0 ], silk_shell_code_table1 ); - decode_split( &pulses0[ 0 ], &pulses0[ 1 ], psRangeDec, pulses1[ 0 ], silk_shell_code_table0 ); - decode_split( &pulses0[ 2 ], &pulses0[ 3 ], psRangeDec, pulses1[ 1 ], silk_shell_code_table0 ); - - decode_split( &pulses1[ 2 ], &pulses1[ 3 ], psRangeDec, pulses2[ 1 ], silk_shell_code_table1 ); - decode_split( &pulses0[ 4 ], &pulses0[ 5 ], psRangeDec, pulses1[ 2 ], silk_shell_code_table0 ); - decode_split( &pulses0[ 6 ], &pulses0[ 7 ], psRangeDec, pulses1[ 3 ], silk_shell_code_table0 ); - - decode_split( &pulses2[ 2 ], &pulses2[ 3 ], psRangeDec, pulses3[ 1 ], silk_shell_code_table2 ); - - decode_split( &pulses1[ 4 ], &pulses1[ 5 ], psRangeDec, pulses2[ 2 ], silk_shell_code_table1 ); - decode_split( &pulses0[ 8 ], &pulses0[ 9 ], psRangeDec, pulses1[ 4 ], silk_shell_code_table0 ); - decode_split( &pulses0[ 10 ], &pulses0[ 11 ], psRangeDec, pulses1[ 5 ], silk_shell_code_table0 ); - - decode_split( &pulses1[ 6 ], &pulses1[ 7 ], psRangeDec, pulses2[ 3 ], silk_shell_code_table1 ); - decode_split( &pulses0[ 12 ], &pulses0[ 13 ], psRangeDec, pulses1[ 6 ], silk_shell_code_table0 ); - decode_split( &pulses0[ 14 ], &pulses0[ 15 ], psRangeDec, pulses1[ 7 ], silk_shell_code_table0 ); -} diff --git a/src/opus-1.1/silk/sigm_Q15.c b/src/opus-1.1/silk/sigm_Q15.c deleted file mode 100644 index 3c507d25..00000000 --- a/src/opus-1.1/silk/sigm_Q15.c +++ /dev/null @@ -1,76 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* Approximate sigmoid function */ - -#include "SigProc_FIX.h" - -/* fprintf(1, '%d, ', round(1024 * ([1 ./ (1 + exp(-(1:5))), 1] - 1 ./ (1 + exp(-(0:5)))))); */ -static const opus_int32 sigm_LUT_slope_Q10[ 6 ] = { - 237, 153, 73, 30, 12, 7 -}; -/* fprintf(1, '%d, ', round(32767 * 1 ./ (1 + exp(-(0:5))))); */ -static const opus_int32 sigm_LUT_pos_Q15[ 6 ] = { - 16384, 23955, 28861, 31213, 32178, 32548 -}; -/* fprintf(1, '%d, ', round(32767 * 1 ./ (1 + exp((0:5))))); */ -static const opus_int32 sigm_LUT_neg_Q15[ 6 ] = { - 16384, 8812, 3906, 1554, 589, 219 -}; - -opus_int silk_sigm_Q15( - opus_int in_Q5 /* I */ -) -{ - opus_int ind; - - if( in_Q5 < 0 ) { - /* Negative input */ - in_Q5 = -in_Q5; - if( in_Q5 >= 6 * 32 ) { - return 0; /* Clip */ - } else { - /* Linear interpolation of look up table */ - ind = silk_RSHIFT( in_Q5, 5 ); - return( sigm_LUT_neg_Q15[ ind ] - silk_SMULBB( sigm_LUT_slope_Q10[ ind ], in_Q5 & 0x1F ) ); - } - } else { - /* Positive input */ - if( in_Q5 >= 6 * 32 ) { - return 32767; /* clip */ - } else { - /* Linear interpolation of look up table */ - ind = silk_RSHIFT( in_Q5, 5 ); - return( sigm_LUT_pos_Q15[ ind ] + silk_SMULBB( sigm_LUT_slope_Q10[ ind ], in_Q5 & 0x1F ) ); - } - } -} - diff --git a/src/opus-1.1/silk/sort.c b/src/opus-1.1/silk/sort.c deleted file mode 100644 index 8670dbdd..00000000 --- a/src/opus-1.1/silk/sort.c +++ /dev/null @@ -1,154 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* Insertion sort (fast for already almost sorted arrays): */ -/* Best case: O(n) for an already sorted array */ -/* Worst case: O(n^2) for an inversely sorted array */ -/* */ -/* Shell short: http://en.wikipedia.org/wiki/Shell_sort */ - -#include "SigProc_FIX.h" - -void silk_insertion_sort_increasing( - opus_int32 *a, /* I/O Unsorted / Sorted vector */ - opus_int *idx, /* O Index vector for the sorted elements */ - const opus_int L, /* I Vector length */ - const opus_int K /* I Number of correctly sorted positions */ -) -{ - opus_int32 value; - opus_int i, j; - - /* Safety checks */ - silk_assert( K > 0 ); - silk_assert( L > 0 ); - silk_assert( L >= K ); - - /* Write start indices in index vector */ - for( i = 0; i < K; i++ ) { - idx[ i ] = i; - } - - /* Sort vector elements by value, increasing order */ - for( i = 1; i < K; i++ ) { - value = a[ i ]; - for( j = i - 1; ( j >= 0 ) && ( value < a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - idx[ j + 1 ] = idx[ j ]; /* Shift index */ - } - a[ j + 1 ] = value; /* Write value */ - idx[ j + 1 ] = i; /* Write index */ - } - - /* If less than L values are asked for, check the remaining values, */ - /* but only spend CPU to ensure that the K first values are correct */ - for( i = K; i < L; i++ ) { - value = a[ i ]; - if( value < a[ K - 1 ] ) { - for( j = K - 2; ( j >= 0 ) && ( value < a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - idx[ j + 1 ] = idx[ j ]; /* Shift index */ - } - a[ j + 1 ] = value; /* Write value */ - idx[ j + 1 ] = i; /* Write index */ - } - } -} - -#ifdef FIXED_POINT -/* This function is only used by the fixed-point build */ -void silk_insertion_sort_decreasing_int16( - opus_int16 *a, /* I/O Unsorted / Sorted vector */ - opus_int *idx, /* O Index vector for the sorted elements */ - const opus_int L, /* I Vector length */ - const opus_int K /* I Number of correctly sorted positions */ -) -{ - opus_int i, j; - opus_int value; - - /* Safety checks */ - silk_assert( K > 0 ); - silk_assert( L > 0 ); - silk_assert( L >= K ); - - /* Write start indices in index vector */ - for( i = 0; i < K; i++ ) { - idx[ i ] = i; - } - - /* Sort vector elements by value, decreasing order */ - for( i = 1; i < K; i++ ) { - value = a[ i ]; - for( j = i - 1; ( j >= 0 ) && ( value > a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - idx[ j + 1 ] = idx[ j ]; /* Shift index */ - } - a[ j + 1 ] = value; /* Write value */ - idx[ j + 1 ] = i; /* Write index */ - } - - /* If less than L values are asked for, check the remaining values, */ - /* but only spend CPU to ensure that the K first values are correct */ - for( i = K; i < L; i++ ) { - value = a[ i ]; - if( value > a[ K - 1 ] ) { - for( j = K - 2; ( j >= 0 ) && ( value > a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - idx[ j + 1 ] = idx[ j ]; /* Shift index */ - } - a[ j + 1 ] = value; /* Write value */ - idx[ j + 1 ] = i; /* Write index */ - } - } -} -#endif - -void silk_insertion_sort_increasing_all_values_int16( - opus_int16 *a, /* I/O Unsorted / Sorted vector */ - const opus_int L /* I Vector length */ -) -{ - opus_int value; - opus_int i, j; - - /* Safety checks */ - silk_assert( L > 0 ); - - /* Sort vector elements by value, increasing order */ - for( i = 1; i < L; i++ ) { - value = a[ i ]; - for( j = i - 1; ( j >= 0 ) && ( value < a[ j ] ); j-- ) { - a[ j + 1 ] = a[ j ]; /* Shift value */ - } - a[ j + 1 ] = value; /* Write value */ - } -} diff --git a/src/opus-1.1/silk/stereo_LR_to_MS.c b/src/opus-1.1/silk/stereo_LR_to_MS.c deleted file mode 100644 index 42906e6f..00000000 --- a/src/opus-1.1/silk/stereo_LR_to_MS.c +++ /dev/null @@ -1,229 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" -#include "stack_alloc.h" - -/* Convert Left/Right stereo signal to adaptive Mid/Side representation */ -void silk_stereo_LR_to_MS( - stereo_enc_state *state, /* I/O State */ - opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ - opus_int16 x2[], /* I/O Right input signal, becomes side signal */ - opus_int8 ix[ 2 ][ 3 ], /* O Quantization indices */ - opus_int8 *mid_only_flag, /* O Flag: only mid signal coded */ - opus_int32 mid_side_rates_bps[], /* O Bitrates for mid and side signals */ - opus_int32 total_rate_bps, /* I Total bitrate */ - opus_int prev_speech_act_Q8, /* I Speech activity level in previous frame */ - opus_int toMono, /* I Last frame before a stereo->mono transition */ - opus_int fs_kHz, /* I Sample rate (kHz) */ - opus_int frame_length /* I Number of samples */ -) -{ - opus_int n, is10msFrame, denom_Q16, delta0_Q13, delta1_Q13; - opus_int32 sum, diff, smooth_coef_Q16, pred_Q13[ 2 ], pred0_Q13, pred1_Q13; - opus_int32 LP_ratio_Q14, HP_ratio_Q14, frac_Q16, frac_3_Q16, min_mid_rate_bps, width_Q14, w_Q24, deltaw_Q24; - VARDECL( opus_int16, side ); - VARDECL( opus_int16, LP_mid ); - VARDECL( opus_int16, HP_mid ); - VARDECL( opus_int16, LP_side ); - VARDECL( opus_int16, HP_side ); - opus_int16 *mid = &x1[ -2 ]; - SAVE_STACK; - - ALLOC( side, frame_length + 2, opus_int16 ); - /* Convert to basic mid/side signals */ - for( n = 0; n < frame_length + 2; n++ ) { - sum = x1[ n - 2 ] + (opus_int32)x2[ n - 2 ]; - diff = x1[ n - 2 ] - (opus_int32)x2[ n - 2 ]; - mid[ n ] = (opus_int16)silk_RSHIFT_ROUND( sum, 1 ); - side[ n ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( diff, 1 ) ); - } - - /* Buffering */ - silk_memcpy( mid, state->sMid, 2 * sizeof( opus_int16 ) ); - silk_memcpy( side, state->sSide, 2 * sizeof( opus_int16 ) ); - silk_memcpy( state->sMid, &mid[ frame_length ], 2 * sizeof( opus_int16 ) ); - silk_memcpy( state->sSide, &side[ frame_length ], 2 * sizeof( opus_int16 ) ); - - /* LP and HP filter mid signal */ - ALLOC( LP_mid, frame_length, opus_int16 ); - ALLOC( HP_mid, frame_length, opus_int16 ); - for( n = 0; n < frame_length; n++ ) { - sum = silk_RSHIFT_ROUND( silk_ADD_LSHIFT( mid[ n ] + mid[ n + 2 ], mid[ n + 1 ], 1 ), 2 ); - LP_mid[ n ] = sum; - HP_mid[ n ] = mid[ n + 1 ] - sum; - } - - /* LP and HP filter side signal */ - ALLOC( LP_side, frame_length, opus_int16 ); - ALLOC( HP_side, frame_length, opus_int16 ); - for( n = 0; n < frame_length; n++ ) { - sum = silk_RSHIFT_ROUND( silk_ADD_LSHIFT( side[ n ] + side[ n + 2 ], side[ n + 1 ], 1 ), 2 ); - LP_side[ n ] = sum; - HP_side[ n ] = side[ n + 1 ] - sum; - } - - /* Find energies and predictors */ - is10msFrame = frame_length == 10 * fs_kHz; - smooth_coef_Q16 = is10msFrame ? - SILK_FIX_CONST( STEREO_RATIO_SMOOTH_COEF / 2, 16 ) : - SILK_FIX_CONST( STEREO_RATIO_SMOOTH_COEF, 16 ); - smooth_coef_Q16 = silk_SMULWB( silk_SMULBB( prev_speech_act_Q8, prev_speech_act_Q8 ), smooth_coef_Q16 ); - - pred_Q13[ 0 ] = silk_stereo_find_predictor( &LP_ratio_Q14, LP_mid, LP_side, &state->mid_side_amp_Q0[ 0 ], frame_length, smooth_coef_Q16 ); - pred_Q13[ 1 ] = silk_stereo_find_predictor( &HP_ratio_Q14, HP_mid, HP_side, &state->mid_side_amp_Q0[ 2 ], frame_length, smooth_coef_Q16 ); - /* Ratio of the norms of residual and mid signals */ - frac_Q16 = silk_SMLABB( HP_ratio_Q14, LP_ratio_Q14, 3 ); - frac_Q16 = silk_min( frac_Q16, SILK_FIX_CONST( 1, 16 ) ); - - /* Determine bitrate distribution between mid and side, and possibly reduce stereo width */ - total_rate_bps -= is10msFrame ? 1200 : 600; /* Subtract approximate bitrate for coding stereo parameters */ - if( total_rate_bps < 1 ) { - total_rate_bps = 1; - } - min_mid_rate_bps = silk_SMLABB( 2000, fs_kHz, 900 ); - silk_assert( min_mid_rate_bps < 32767 ); - /* Default bitrate distribution: 8 parts for Mid and (5+3*frac) parts for Side. so: mid_rate = ( 8 / ( 13 + 3 * frac ) ) * total_ rate */ - frac_3_Q16 = silk_MUL( 3, frac_Q16 ); - mid_side_rates_bps[ 0 ] = silk_DIV32_varQ( total_rate_bps, SILK_FIX_CONST( 8 + 5, 16 ) + frac_3_Q16, 16+3 ); - /* If Mid bitrate below minimum, reduce stereo width */ - if( mid_side_rates_bps[ 0 ] < min_mid_rate_bps ) { - mid_side_rates_bps[ 0 ] = min_mid_rate_bps; - mid_side_rates_bps[ 1 ] = total_rate_bps - mid_side_rates_bps[ 0 ]; - /* width = 4 * ( 2 * side_rate - min_rate ) / ( ( 1 + 3 * frac ) * min_rate ) */ - width_Q14 = silk_DIV32_varQ( silk_LSHIFT( mid_side_rates_bps[ 1 ], 1 ) - min_mid_rate_bps, - silk_SMULWB( SILK_FIX_CONST( 1, 16 ) + frac_3_Q16, min_mid_rate_bps ), 14+2 ); - width_Q14 = silk_LIMIT( width_Q14, 0, SILK_FIX_CONST( 1, 14 ) ); - } else { - mid_side_rates_bps[ 1 ] = total_rate_bps - mid_side_rates_bps[ 0 ]; - width_Q14 = SILK_FIX_CONST( 1, 14 ); - } - - /* Smoother */ - state->smth_width_Q14 = (opus_int16)silk_SMLAWB( state->smth_width_Q14, width_Q14 - state->smth_width_Q14, smooth_coef_Q16 ); - - /* At very low bitrates or for inputs that are nearly amplitude panned, switch to panned-mono coding */ - *mid_only_flag = 0; - if( toMono ) { - /* Last frame before stereo->mono transition; collapse stereo width */ - width_Q14 = 0; - pred_Q13[ 0 ] = 0; - pred_Q13[ 1 ] = 0; - silk_stereo_quant_pred( pred_Q13, ix ); - } else if( state->width_prev_Q14 == 0 && - ( 8 * total_rate_bps < 13 * min_mid_rate_bps || silk_SMULWB( frac_Q16, state->smth_width_Q14 ) < SILK_FIX_CONST( 0.05, 14 ) ) ) - { - /* Code as panned-mono; previous frame already had zero width */ - /* Scale down and quantize predictors */ - pred_Q13[ 0 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 0 ] ), 14 ); - pred_Q13[ 1 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 1 ] ), 14 ); - silk_stereo_quant_pred( pred_Q13, ix ); - /* Collapse stereo width */ - width_Q14 = 0; - pred_Q13[ 0 ] = 0; - pred_Q13[ 1 ] = 0; - mid_side_rates_bps[ 0 ] = total_rate_bps; - mid_side_rates_bps[ 1 ] = 0; - *mid_only_flag = 1; - } else if( state->width_prev_Q14 != 0 && - ( 8 * total_rate_bps < 11 * min_mid_rate_bps || silk_SMULWB( frac_Q16, state->smth_width_Q14 ) < SILK_FIX_CONST( 0.02, 14 ) ) ) - { - /* Transition to zero-width stereo */ - /* Scale down and quantize predictors */ - pred_Q13[ 0 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 0 ] ), 14 ); - pred_Q13[ 1 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 1 ] ), 14 ); - silk_stereo_quant_pred( pred_Q13, ix ); - /* Collapse stereo width */ - width_Q14 = 0; - pred_Q13[ 0 ] = 0; - pred_Q13[ 1 ] = 0; - } else if( state->smth_width_Q14 > SILK_FIX_CONST( 0.95, 14 ) ) { - /* Full-width stereo coding */ - silk_stereo_quant_pred( pred_Q13, ix ); - width_Q14 = SILK_FIX_CONST( 1, 14 ); - } else { - /* Reduced-width stereo coding; scale down and quantize predictors */ - pred_Q13[ 0 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 0 ] ), 14 ); - pred_Q13[ 1 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 1 ] ), 14 ); - silk_stereo_quant_pred( pred_Q13, ix ); - width_Q14 = state->smth_width_Q14; - } - - /* Make sure to keep on encoding until the tapered output has been transmitted */ - if( *mid_only_flag == 1 ) { - state->silent_side_len += frame_length - STEREO_INTERP_LEN_MS * fs_kHz; - if( state->silent_side_len < LA_SHAPE_MS * fs_kHz ) { - *mid_only_flag = 0; - } else { - /* Limit to avoid wrapping around */ - state->silent_side_len = 10000; - } - } else { - state->silent_side_len = 0; - } - - if( *mid_only_flag == 0 && mid_side_rates_bps[ 1 ] < 1 ) { - mid_side_rates_bps[ 1 ] = 1; - mid_side_rates_bps[ 0 ] = silk_max_int( 1, total_rate_bps - mid_side_rates_bps[ 1 ]); - } - - /* Interpolate predictors and subtract prediction from side channel */ - pred0_Q13 = -state->pred_prev_Q13[ 0 ]; - pred1_Q13 = -state->pred_prev_Q13[ 1 ]; - w_Q24 = silk_LSHIFT( state->width_prev_Q14, 10 ); - denom_Q16 = silk_DIV32_16( (opus_int32)1 << 16, STEREO_INTERP_LEN_MS * fs_kHz ); - delta0_Q13 = -silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 0 ] - state->pred_prev_Q13[ 0 ], denom_Q16 ), 16 ); - delta1_Q13 = -silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 1 ] - state->pred_prev_Q13[ 1 ], denom_Q16 ), 16 ); - deltaw_Q24 = silk_LSHIFT( silk_SMULWB( width_Q14 - state->width_prev_Q14, denom_Q16 ), 10 ); - for( n = 0; n < STEREO_INTERP_LEN_MS * fs_kHz; n++ ) { - pred0_Q13 += delta0_Q13; - pred1_Q13 += delta1_Q13; - w_Q24 += deltaw_Q24; - sum = silk_LSHIFT( silk_ADD_LSHIFT( mid[ n ] + mid[ n + 2 ], mid[ n + 1 ], 1 ), 9 ); /* Q11 */ - sum = silk_SMLAWB( silk_SMULWB( w_Q24, side[ n + 1 ] ), sum, pred0_Q13 ); /* Q8 */ - sum = silk_SMLAWB( sum, silk_LSHIFT( (opus_int32)mid[ n + 1 ], 11 ), pred1_Q13 ); /* Q8 */ - x2[ n - 1 ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( sum, 8 ) ); - } - - pred0_Q13 = -pred_Q13[ 0 ]; - pred1_Q13 = -pred_Q13[ 1 ]; - w_Q24 = silk_LSHIFT( width_Q14, 10 ); - for( n = STEREO_INTERP_LEN_MS * fs_kHz; n < frame_length; n++ ) { - sum = silk_LSHIFT( silk_ADD_LSHIFT( mid[ n ] + mid[ n + 2 ], mid[ n + 1 ], 1 ), 9 ); /* Q11 */ - sum = silk_SMLAWB( silk_SMULWB( w_Q24, side[ n + 1 ] ), sum, pred0_Q13 ); /* Q8 */ - sum = silk_SMLAWB( sum, silk_LSHIFT( (opus_int32)mid[ n + 1 ], 11 ), pred1_Q13 ); /* Q8 */ - x2[ n - 1 ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( sum, 8 ) ); - } - state->pred_prev_Q13[ 0 ] = (opus_int16)pred_Q13[ 0 ]; - state->pred_prev_Q13[ 1 ] = (opus_int16)pred_Q13[ 1 ]; - state->width_prev_Q14 = (opus_int16)width_Q14; - RESTORE_STACK; -} diff --git a/src/opus-1.1/silk/stereo_MS_to_LR.c b/src/opus-1.1/silk/stereo_MS_to_LR.c deleted file mode 100644 index 62521a4f..00000000 --- a/src/opus-1.1/silk/stereo_MS_to_LR.c +++ /dev/null @@ -1,85 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Convert adaptive Mid/Side representation to Left/Right stereo signal */ -void silk_stereo_MS_to_LR( - stereo_dec_state *state, /* I/O State */ - opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ - opus_int16 x2[], /* I/O Right input signal, becomes side signal */ - const opus_int32 pred_Q13[], /* I Predictors */ - opus_int fs_kHz, /* I Samples rate (kHz) */ - opus_int frame_length /* I Number of samples */ -) -{ - opus_int n, denom_Q16, delta0_Q13, delta1_Q13; - opus_int32 sum, diff, pred0_Q13, pred1_Q13; - - /* Buffering */ - silk_memcpy( x1, state->sMid, 2 * sizeof( opus_int16 ) ); - silk_memcpy( x2, state->sSide, 2 * sizeof( opus_int16 ) ); - silk_memcpy( state->sMid, &x1[ frame_length ], 2 * sizeof( opus_int16 ) ); - silk_memcpy( state->sSide, &x2[ frame_length ], 2 * sizeof( opus_int16 ) ); - - /* Interpolate predictors and add prediction to side channel */ - pred0_Q13 = state->pred_prev_Q13[ 0 ]; - pred1_Q13 = state->pred_prev_Q13[ 1 ]; - denom_Q16 = silk_DIV32_16( (opus_int32)1 << 16, STEREO_INTERP_LEN_MS * fs_kHz ); - delta0_Q13 = silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 0 ] - state->pred_prev_Q13[ 0 ], denom_Q16 ), 16 ); - delta1_Q13 = silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 1 ] - state->pred_prev_Q13[ 1 ], denom_Q16 ), 16 ); - for( n = 0; n < STEREO_INTERP_LEN_MS * fs_kHz; n++ ) { - pred0_Q13 += delta0_Q13; - pred1_Q13 += delta1_Q13; - sum = silk_LSHIFT( silk_ADD_LSHIFT( x1[ n ] + x1[ n + 2 ], x1[ n + 1 ], 1 ), 9 ); /* Q11 */ - sum = silk_SMLAWB( silk_LSHIFT( (opus_int32)x2[ n + 1 ], 8 ), sum, pred0_Q13 ); /* Q8 */ - sum = silk_SMLAWB( sum, silk_LSHIFT( (opus_int32)x1[ n + 1 ], 11 ), pred1_Q13 ); /* Q8 */ - x2[ n + 1 ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( sum, 8 ) ); - } - pred0_Q13 = pred_Q13[ 0 ]; - pred1_Q13 = pred_Q13[ 1 ]; - for( n = STEREO_INTERP_LEN_MS * fs_kHz; n < frame_length; n++ ) { - sum = silk_LSHIFT( silk_ADD_LSHIFT( x1[ n ] + x1[ n + 2 ], x1[ n + 1 ], 1 ), 9 ); /* Q11 */ - sum = silk_SMLAWB( silk_LSHIFT( (opus_int32)x2[ n + 1 ], 8 ), sum, pred0_Q13 ); /* Q8 */ - sum = silk_SMLAWB( sum, silk_LSHIFT( (opus_int32)x1[ n + 1 ], 11 ), pred1_Q13 ); /* Q8 */ - x2[ n + 1 ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( sum, 8 ) ); - } - state->pred_prev_Q13[ 0 ] = pred_Q13[ 0 ]; - state->pred_prev_Q13[ 1 ] = pred_Q13[ 1 ]; - - /* Convert to left/right signals */ - for( n = 0; n < frame_length; n++ ) { - sum = x1[ n + 1 ] + (opus_int32)x2[ n + 1 ]; - diff = x1[ n + 1 ] - (opus_int32)x2[ n + 1 ]; - x1[ n + 1 ] = (opus_int16)silk_SAT16( sum ); - x2[ n + 1 ] = (opus_int16)silk_SAT16( diff ); - } -} diff --git a/src/opus-1.1/silk/stereo_decode_pred.c b/src/opus-1.1/silk/stereo_decode_pred.c deleted file mode 100644 index 56ba3925..00000000 --- a/src/opus-1.1/silk/stereo_decode_pred.c +++ /dev/null @@ -1,73 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Decode mid/side predictors */ -void silk_stereo_decode_pred( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int32 pred_Q13[] /* O Predictors */ -) -{ - opus_int n, ix[ 2 ][ 3 ]; - opus_int32 low_Q13, step_Q13; - - /* Entropy decoding */ - n = ec_dec_icdf( psRangeDec, silk_stereo_pred_joint_iCDF, 8 ); - ix[ 0 ][ 2 ] = silk_DIV32_16( n, 5 ); - ix[ 1 ][ 2 ] = n - 5 * ix[ 0 ][ 2 ]; - for( n = 0; n < 2; n++ ) { - ix[ n ][ 0 ] = ec_dec_icdf( psRangeDec, silk_uniform3_iCDF, 8 ); - ix[ n ][ 1 ] = ec_dec_icdf( psRangeDec, silk_uniform5_iCDF, 8 ); - } - - /* Dequantize */ - for( n = 0; n < 2; n++ ) { - ix[ n ][ 0 ] += 3 * ix[ n ][ 2 ]; - low_Q13 = silk_stereo_pred_quant_Q13[ ix[ n ][ 0 ] ]; - step_Q13 = silk_SMULWB( silk_stereo_pred_quant_Q13[ ix[ n ][ 0 ] + 1 ] - low_Q13, - SILK_FIX_CONST( 0.5 / STEREO_QUANT_SUB_STEPS, 16 ) ); - pred_Q13[ n ] = silk_SMLABB( low_Q13, step_Q13, 2 * ix[ n ][ 1 ] + 1 ); - } - - /* Subtract second from first predictor (helps when actually applying these) */ - pred_Q13[ 0 ] -= pred_Q13[ 1 ]; -} - -/* Decode mid-only flag */ -void silk_stereo_decode_mid_only( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int *decode_only_mid /* O Flag that only mid channel has been coded */ -) -{ - /* Decode flag that only mid channel is coded */ - *decode_only_mid = ec_dec_icdf( psRangeDec, silk_stereo_only_code_mid_iCDF, 8 ); -} diff --git a/src/opus-1.1/silk/stereo_encode_pred.c b/src/opus-1.1/silk/stereo_encode_pred.c deleted file mode 100644 index e6dd1950..00000000 --- a/src/opus-1.1/silk/stereo_encode_pred.c +++ /dev/null @@ -1,62 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Entropy code the mid/side quantization indices */ -void silk_stereo_encode_pred( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int8 ix[ 2 ][ 3 ] /* I Quantization indices */ -) -{ - opus_int n; - - /* Entropy coding */ - n = 5 * ix[ 0 ][ 2 ] + ix[ 1 ][ 2 ]; - silk_assert( n < 25 ); - ec_enc_icdf( psRangeEnc, n, silk_stereo_pred_joint_iCDF, 8 ); - for( n = 0; n < 2; n++ ) { - silk_assert( ix[ n ][ 0 ] < 3 ); - silk_assert( ix[ n ][ 1 ] < STEREO_QUANT_SUB_STEPS ); - ec_enc_icdf( psRangeEnc, ix[ n ][ 0 ], silk_uniform3_iCDF, 8 ); - ec_enc_icdf( psRangeEnc, ix[ n ][ 1 ], silk_uniform5_iCDF, 8 ); - } -} - -/* Entropy code the mid-only flag */ -void silk_stereo_encode_mid_only( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int8 mid_only_flag -) -{ - /* Encode flag that only mid channel is coded */ - ec_enc_icdf( psRangeEnc, mid_only_flag, silk_stereo_only_code_mid_iCDF, 8 ); -} diff --git a/src/opus-1.1/silk/stereo_find_predictor.c b/src/opus-1.1/silk/stereo_find_predictor.c deleted file mode 100644 index e30e90bd..00000000 --- a/src/opus-1.1/silk/stereo_find_predictor.c +++ /dev/null @@ -1,79 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Find least-squares prediction gain for one signal based on another and quantize it */ -opus_int32 silk_stereo_find_predictor( /* O Returns predictor in Q13 */ - opus_int32 *ratio_Q14, /* O Ratio of residual and mid energies */ - const opus_int16 x[], /* I Basis signal */ - const opus_int16 y[], /* I Target signal */ - opus_int32 mid_res_amp_Q0[], /* I/O Smoothed mid, residual norms */ - opus_int length, /* I Number of samples */ - opus_int smooth_coef_Q16 /* I Smoothing coefficient */ -) -{ - opus_int scale, scale1, scale2; - opus_int32 nrgx, nrgy, corr, pred_Q13, pred2_Q10; - - /* Find predictor */ - silk_sum_sqr_shift( &nrgx, &scale1, x, length ); - silk_sum_sqr_shift( &nrgy, &scale2, y, length ); - scale = silk_max_int( scale1, scale2 ); - scale = scale + ( scale & 1 ); /* make even */ - nrgy = silk_RSHIFT32( nrgy, scale - scale2 ); - nrgx = silk_RSHIFT32( nrgx, scale - scale1 ); - nrgx = silk_max_int( nrgx, 1 ); - corr = silk_inner_prod_aligned_scale( x, y, scale, length ); - pred_Q13 = silk_DIV32_varQ( corr, nrgx, 13 ); - pred_Q13 = silk_LIMIT( pred_Q13, -(1 << 14), 1 << 14 ); - pred2_Q10 = silk_SMULWB( pred_Q13, pred_Q13 ); - - /* Faster update for signals with large prediction parameters */ - smooth_coef_Q16 = (opus_int)silk_max_int( smooth_coef_Q16, silk_abs( pred2_Q10 ) ); - - /* Smoothed mid and residual norms */ - silk_assert( smooth_coef_Q16 < 32768 ); - scale = silk_RSHIFT( scale, 1 ); - mid_res_amp_Q0[ 0 ] = silk_SMLAWB( mid_res_amp_Q0[ 0 ], silk_LSHIFT( silk_SQRT_APPROX( nrgx ), scale ) - mid_res_amp_Q0[ 0 ], - smooth_coef_Q16 ); - /* Residual energy = nrgy - 2 * pred * corr + pred^2 * nrgx */ - nrgy = silk_SUB_LSHIFT32( nrgy, silk_SMULWB( corr, pred_Q13 ), 3 + 1 ); - nrgy = silk_ADD_LSHIFT32( nrgy, silk_SMULWB( nrgx, pred2_Q10 ), 6 ); - mid_res_amp_Q0[ 1 ] = silk_SMLAWB( mid_res_amp_Q0[ 1 ], silk_LSHIFT( silk_SQRT_APPROX( nrgy ), scale ) - mid_res_amp_Q0[ 1 ], - smooth_coef_Q16 ); - - /* Ratio of smoothed residual and mid norms */ - *ratio_Q14 = silk_DIV32_varQ( mid_res_amp_Q0[ 1 ], silk_max( mid_res_amp_Q0[ 0 ], 1 ), 14 ); - *ratio_Q14 = silk_LIMIT( *ratio_Q14, 0, 32767 ); - - return pred_Q13; -} diff --git a/src/opus-1.1/silk/stereo_quant_pred.c b/src/opus-1.1/silk/stereo_quant_pred.c deleted file mode 100644 index d4ced6c3..00000000 --- a/src/opus-1.1/silk/stereo_quant_pred.c +++ /dev/null @@ -1,73 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "main.h" - -/* Quantize mid/side predictors */ -void silk_stereo_quant_pred( - opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */ - opus_int8 ix[ 2 ][ 3 ] /* O Quantization indices */ -) -{ - opus_int i, j, n; - opus_int32 low_Q13, step_Q13, lvl_Q13, err_min_Q13, err_Q13, quant_pred_Q13 = 0; - - /* Quantize */ - for( n = 0; n < 2; n++ ) { - /* Brute-force search over quantization levels */ - err_min_Q13 = silk_int32_MAX; - for( i = 0; i < STEREO_QUANT_TAB_SIZE - 1; i++ ) { - low_Q13 = silk_stereo_pred_quant_Q13[ i ]; - step_Q13 = silk_SMULWB( silk_stereo_pred_quant_Q13[ i + 1 ] - low_Q13, - SILK_FIX_CONST( 0.5 / STEREO_QUANT_SUB_STEPS, 16 ) ); - for( j = 0; j < STEREO_QUANT_SUB_STEPS; j++ ) { - lvl_Q13 = silk_SMLABB( low_Q13, step_Q13, 2 * j + 1 ); - err_Q13 = silk_abs( pred_Q13[ n ] - lvl_Q13 ); - if( err_Q13 < err_min_Q13 ) { - err_min_Q13 = err_Q13; - quant_pred_Q13 = lvl_Q13; - ix[ n ][ 0 ] = i; - ix[ n ][ 1 ] = j; - } else { - /* Error increasing, so we're past the optimum */ - goto done; - } - } - } - done: - ix[ n ][ 2 ] = silk_DIV32_16( ix[ n ][ 0 ], 3 ); - ix[ n ][ 0 ] -= ix[ n ][ 2 ] * 3; - pred_Q13[ n ] = quant_pred_Q13; - } - - /* Subtract second from first predictor (helps when actually applying these) */ - pred_Q13[ 0 ] -= pred_Q13[ 1 ]; -} diff --git a/src/opus-1.1/silk/structs.h b/src/opus-1.1/silk/structs.h deleted file mode 100644 index 1826b36a..00000000 --- a/src/opus-1.1/silk/structs.h +++ /dev/null @@ -1,327 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_STRUCTS_H -#define SILK_STRUCTS_H - -#include "typedef.h" -#include "SigProc_FIX.h" -#include "define.h" -#include "entenc.h" -#include "entdec.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/************************************/ -/* Noise shaping quantization state */ -/************************************/ -typedef struct { - opus_int16 xq[ 2 * MAX_FRAME_LENGTH ]; /* Buffer for quantized output signal */ - opus_int32 sLTP_shp_Q14[ 2 * MAX_FRAME_LENGTH ]; - opus_int32 sLPC_Q14[ MAX_SUB_FRAME_LENGTH + NSQ_LPC_BUF_LENGTH ]; - opus_int32 sAR2_Q14[ MAX_SHAPE_LPC_ORDER ]; - opus_int32 sLF_AR_shp_Q14; - opus_int lagPrev; - opus_int sLTP_buf_idx; - opus_int sLTP_shp_buf_idx; - opus_int32 rand_seed; - opus_int32 prev_gain_Q16; - opus_int rewhite_flag; -} silk_nsq_state; - -/********************************/ -/* VAD state */ -/********************************/ -typedef struct { - opus_int32 AnaState[ 2 ]; /* Analysis filterbank state: 0-8 kHz */ - opus_int32 AnaState1[ 2 ]; /* Analysis filterbank state: 0-4 kHz */ - opus_int32 AnaState2[ 2 ]; /* Analysis filterbank state: 0-2 kHz */ - opus_int32 XnrgSubfr[ VAD_N_BANDS ]; /* Subframe energies */ - opus_int32 NrgRatioSmth_Q8[ VAD_N_BANDS ]; /* Smoothed energy level in each band */ - opus_int16 HPstate; /* State of differentiator in the lowest band */ - opus_int32 NL[ VAD_N_BANDS ]; /* Noise energy level in each band */ - opus_int32 inv_NL[ VAD_N_BANDS ]; /* Inverse noise energy level in each band */ - opus_int32 NoiseLevelBias[ VAD_N_BANDS ]; /* Noise level estimator bias/offset */ - opus_int32 counter; /* Frame counter used in the initial phase */ -} silk_VAD_state; - -/* Variable cut-off low-pass filter state */ -typedef struct { - opus_int32 In_LP_State[ 2 ]; /* Low pass filter state */ - opus_int32 transition_frame_no; /* Counter which is mapped to a cut-off frequency */ - opus_int mode; /* Operating mode, <0: switch down, >0: switch up; 0: do nothing */ -} silk_LP_state; - -/* Structure containing NLSF codebook */ -typedef struct { - const opus_int16 nVectors; - const opus_int16 order; - const opus_int16 quantStepSize_Q16; - const opus_int16 invQuantStepSize_Q6; - const opus_uint8 *CB1_NLSF_Q8; - const opus_uint8 *CB1_iCDF; - const opus_uint8 *pred_Q8; - const opus_uint8 *ec_sel; - const opus_uint8 *ec_iCDF; - const opus_uint8 *ec_Rates_Q5; - const opus_int16 *deltaMin_Q15; -} silk_NLSF_CB_struct; - -typedef struct { - opus_int16 pred_prev_Q13[ 2 ]; - opus_int16 sMid[ 2 ]; - opus_int16 sSide[ 2 ]; - opus_int32 mid_side_amp_Q0[ 4 ]; - opus_int16 smth_width_Q14; - opus_int16 width_prev_Q14; - opus_int16 silent_side_len; - opus_int8 predIx[ MAX_FRAMES_PER_PACKET ][ 2 ][ 3 ]; - opus_int8 mid_only_flags[ MAX_FRAMES_PER_PACKET ]; -} stereo_enc_state; - -typedef struct { - opus_int16 pred_prev_Q13[ 2 ]; - opus_int16 sMid[ 2 ]; - opus_int16 sSide[ 2 ]; -} stereo_dec_state; - -typedef struct { - opus_int8 GainsIndices[ MAX_NB_SUBFR ]; - opus_int8 LTPIndex[ MAX_NB_SUBFR ]; - opus_int8 NLSFIndices[ MAX_LPC_ORDER + 1 ]; - opus_int16 lagIndex; - opus_int8 contourIndex; - opus_int8 signalType; - opus_int8 quantOffsetType; - opus_int8 NLSFInterpCoef_Q2; - opus_int8 PERIndex; - opus_int8 LTP_scaleIndex; - opus_int8 Seed; -} SideInfoIndices; - -/********************************/ -/* Encoder state */ -/********************************/ -typedef struct { - opus_int32 In_HP_State[ 2 ]; /* High pass filter state */ - opus_int32 variable_HP_smth1_Q15; /* State of first smoother */ - opus_int32 variable_HP_smth2_Q15; /* State of second smoother */ - silk_LP_state sLP; /* Low pass filter state */ - silk_VAD_state sVAD; /* Voice activity detector state */ - silk_nsq_state sNSQ; /* Noise Shape Quantizer State */ - opus_int16 prev_NLSFq_Q15[ MAX_LPC_ORDER ]; /* Previously quantized NLSF vector */ - opus_int speech_activity_Q8; /* Speech activity */ - opus_int allow_bandwidth_switch; /* Flag indicating that switching of internal bandwidth is allowed */ - opus_int8 LBRRprevLastGainIndex; - opus_int8 prevSignalType; - opus_int prevLag; - opus_int pitch_LPC_win_length; - opus_int max_pitch_lag; /* Highest possible pitch lag (samples) */ - opus_int32 API_fs_Hz; /* API sampling frequency (Hz) */ - opus_int32 prev_API_fs_Hz; /* Previous API sampling frequency (Hz) */ - opus_int maxInternal_fs_Hz; /* Maximum internal sampling frequency (Hz) */ - opus_int minInternal_fs_Hz; /* Minimum internal sampling frequency (Hz) */ - opus_int desiredInternal_fs_Hz; /* Soft request for internal sampling frequency (Hz) */ - opus_int fs_kHz; /* Internal sampling frequency (kHz) */ - opus_int nb_subfr; /* Number of 5 ms subframes in a frame */ - opus_int frame_length; /* Frame length (samples) */ - opus_int subfr_length; /* Subframe length (samples) */ - opus_int ltp_mem_length; /* Length of LTP memory */ - opus_int la_pitch; /* Look-ahead for pitch analysis (samples) */ - opus_int la_shape; /* Look-ahead for noise shape analysis (samples) */ - opus_int shapeWinLength; /* Window length for noise shape analysis (samples) */ - opus_int32 TargetRate_bps; /* Target bitrate (bps) */ - opus_int PacketSize_ms; /* Number of milliseconds to put in each packet */ - opus_int PacketLoss_perc; /* Packet loss rate measured by farend */ - opus_int32 frameCounter; - opus_int Complexity; /* Complexity setting */ - opus_int nStatesDelayedDecision; /* Number of states in delayed decision quantization */ - opus_int useInterpolatedNLSFs; /* Flag for using NLSF interpolation */ - opus_int shapingLPCOrder; /* Filter order for noise shaping filters */ - opus_int predictLPCOrder; /* Filter order for prediction filters */ - opus_int pitchEstimationComplexity; /* Complexity level for pitch estimator */ - opus_int pitchEstimationLPCOrder; /* Whitening filter order for pitch estimator */ - opus_int32 pitchEstimationThreshold_Q16; /* Threshold for pitch estimator */ - opus_int LTPQuantLowComplexity; /* Flag for low complexity LTP quantization */ - opus_int mu_LTP_Q9; /* Rate-distortion tradeoff in LTP quantization */ - opus_int32 sum_log_gain_Q7; /* Cumulative max prediction gain */ - opus_int NLSF_MSVQ_Survivors; /* Number of survivors in NLSF MSVQ */ - opus_int first_frame_after_reset; /* Flag for deactivating NLSF interpolation, pitch prediction */ - opus_int controlled_since_last_payload; /* Flag for ensuring codec_control only runs once per packet */ - opus_int warping_Q16; /* Warping parameter for warped noise shaping */ - opus_int useCBR; /* Flag to enable constant bitrate */ - opus_int prefillFlag; /* Flag to indicate that only buffers are prefilled, no coding */ - const opus_uint8 *pitch_lag_low_bits_iCDF; /* Pointer to iCDF table for low bits of pitch lag index */ - const opus_uint8 *pitch_contour_iCDF; /* Pointer to iCDF table for pitch contour index */ - const silk_NLSF_CB_struct *psNLSF_CB; /* Pointer to NLSF codebook */ - opus_int input_quality_bands_Q15[ VAD_N_BANDS ]; - opus_int input_tilt_Q15; - opus_int SNR_dB_Q7; /* Quality setting */ - - opus_int8 VAD_flags[ MAX_FRAMES_PER_PACKET ]; - opus_int8 LBRR_flag; - opus_int LBRR_flags[ MAX_FRAMES_PER_PACKET ]; - - SideInfoIndices indices; - opus_int8 pulses[ MAX_FRAME_LENGTH ]; - - int arch; - - /* Input/output buffering */ - opus_int16 inputBuf[ MAX_FRAME_LENGTH + 2 ]; /* Buffer containing input signal */ - opus_int inputBufIx; - opus_int nFramesPerPacket; - opus_int nFramesEncoded; /* Number of frames analyzed in current packet */ - - opus_int nChannelsAPI; - opus_int nChannelsInternal; - opus_int channelNb; - - /* Parameters For LTP scaling Control */ - opus_int frames_since_onset; - - /* Specifically for entropy coding */ - opus_int ec_prevSignalType; - opus_int16 ec_prevLagIndex; - - silk_resampler_state_struct resampler_state; - - /* DTX */ - opus_int useDTX; /* Flag to enable DTX */ - opus_int inDTX; /* Flag to signal DTX period */ - opus_int noSpeechCounter; /* Counts concecutive nonactive frames, used by DTX */ - - /* Inband Low Bitrate Redundancy (LBRR) data */ - opus_int useInBandFEC; /* Saves the API setting for query */ - opus_int LBRR_enabled; /* Depends on useInBandFRC, bitrate and packet loss rate */ - opus_int LBRR_GainIncreases; /* Gains increment for coding LBRR frames */ - SideInfoIndices indices_LBRR[ MAX_FRAMES_PER_PACKET ]; - opus_int8 pulses_LBRR[ MAX_FRAMES_PER_PACKET ][ MAX_FRAME_LENGTH ]; -} silk_encoder_state; - - -/* Struct for Packet Loss Concealment */ -typedef struct { - opus_int32 pitchL_Q8; /* Pitch lag to use for voiced concealment */ - opus_int16 LTPCoef_Q14[ LTP_ORDER ]; /* LTP coeficients to use for voiced concealment */ - opus_int16 prevLPC_Q12[ MAX_LPC_ORDER ]; - opus_int last_frame_lost; /* Was previous frame lost */ - opus_int32 rand_seed; /* Seed for unvoiced signal generation */ - opus_int16 randScale_Q14; /* Scaling of unvoiced random signal */ - opus_int32 conc_energy; - opus_int conc_energy_shift; - opus_int16 prevLTP_scale_Q14; - opus_int32 prevGain_Q16[ 2 ]; - opus_int fs_kHz; - opus_int nb_subfr; - opus_int subfr_length; -} silk_PLC_struct; - -/* Struct for CNG */ -typedef struct { - opus_int32 CNG_exc_buf_Q14[ MAX_FRAME_LENGTH ]; - opus_int16 CNG_smth_NLSF_Q15[ MAX_LPC_ORDER ]; - opus_int32 CNG_synth_state[ MAX_LPC_ORDER ]; - opus_int32 CNG_smth_Gain_Q16; - opus_int32 rand_seed; - opus_int fs_kHz; -} silk_CNG_struct; - -/********************************/ -/* Decoder state */ -/********************************/ -typedef struct { - opus_int32 prev_gain_Q16; - opus_int32 exc_Q14[ MAX_FRAME_LENGTH ]; - opus_int32 sLPC_Q14_buf[ MAX_LPC_ORDER ]; - opus_int16 outBuf[ MAX_FRAME_LENGTH + 2 * MAX_SUB_FRAME_LENGTH ]; /* Buffer for output signal */ - opus_int lagPrev; /* Previous Lag */ - opus_int8 LastGainIndex; /* Previous gain index */ - opus_int fs_kHz; /* Sampling frequency in kHz */ - opus_int32 fs_API_hz; /* API sample frequency (Hz) */ - opus_int nb_subfr; /* Number of 5 ms subframes in a frame */ - opus_int frame_length; /* Frame length (samples) */ - opus_int subfr_length; /* Subframe length (samples) */ - opus_int ltp_mem_length; /* Length of LTP memory */ - opus_int LPC_order; /* LPC order */ - opus_int16 prevNLSF_Q15[ MAX_LPC_ORDER ]; /* Used to interpolate LSFs */ - opus_int first_frame_after_reset; /* Flag for deactivating NLSF interpolation */ - const opus_uint8 *pitch_lag_low_bits_iCDF; /* Pointer to iCDF table for low bits of pitch lag index */ - const opus_uint8 *pitch_contour_iCDF; /* Pointer to iCDF table for pitch contour index */ - - /* For buffering payload in case of more frames per packet */ - opus_int nFramesDecoded; - opus_int nFramesPerPacket; - - /* Specifically for entropy coding */ - opus_int ec_prevSignalType; - opus_int16 ec_prevLagIndex; - - opus_int VAD_flags[ MAX_FRAMES_PER_PACKET ]; - opus_int LBRR_flag; - opus_int LBRR_flags[ MAX_FRAMES_PER_PACKET ]; - - silk_resampler_state_struct resampler_state; - - const silk_NLSF_CB_struct *psNLSF_CB; /* Pointer to NLSF codebook */ - - /* Quantization indices */ - SideInfoIndices indices; - - /* CNG state */ - silk_CNG_struct sCNG; - - /* Stuff used for PLC */ - opus_int lossCnt; - opus_int prevSignalType; - - silk_PLC_struct sPLC; - -} silk_decoder_state; - -/************************/ -/* Decoder control */ -/************************/ -typedef struct { - /* Prediction and coding parameters */ - opus_int pitchL[ MAX_NB_SUBFR ]; - opus_int32 Gains_Q16[ MAX_NB_SUBFR ]; - /* Holds interpolated and final coefficients, 4-byte aligned */ - silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ]; - opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ]; - opus_int LTP_scale_Q14; -} silk_decoder_control; - - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/sum_sqr_shift.c b/src/opus-1.1/silk/sum_sqr_shift.c deleted file mode 100644 index 12514c99..00000000 --- a/src/opus-1.1/silk/sum_sqr_shift.c +++ /dev/null @@ -1,85 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Compute number of bits to right shift the sum of squares of a vector */ -/* of int16s to make it fit in an int32 */ -void silk_sum_sqr_shift( - opus_int32 *energy, /* O Energy of x, after shifting to the right */ - opus_int *shift, /* O Number of bits right shift applied to energy */ - const opus_int16 *x, /* I Input vector */ - opus_int len /* I Length of input vector */ -) -{ - opus_int i, shft; - opus_int32 nrg_tmp, nrg; - - nrg = 0; - shft = 0; - len--; - for( i = 0; i < len; i += 2 ) { - nrg = silk_SMLABB_ovflw( nrg, x[ i ], x[ i ] ); - nrg = silk_SMLABB_ovflw( nrg, x[ i + 1 ], x[ i + 1 ] ); - if( nrg < 0 ) { - /* Scale down */ - nrg = (opus_int32)silk_RSHIFT_uint( (opus_uint32)nrg, 2 ); - shft = 2; - break; - } - } - for( ; i < len; i += 2 ) { - nrg_tmp = silk_SMULBB( x[ i ], x[ i ] ); - nrg_tmp = silk_SMLABB_ovflw( nrg_tmp, x[ i + 1 ], x[ i + 1 ] ); - nrg = (opus_int32)silk_ADD_RSHIFT_uint( nrg, (opus_uint32)nrg_tmp, shft ); - if( nrg < 0 ) { - /* Scale down */ - nrg = (opus_int32)silk_RSHIFT_uint( (opus_uint32)nrg, 2 ); - shft += 2; - } - } - if( i == len ) { - /* One sample left to process */ - nrg_tmp = silk_SMULBB( x[ i ], x[ i ] ); - nrg = (opus_int32)silk_ADD_RSHIFT_uint( nrg, nrg_tmp, shft ); - } - - /* Make sure to have at least one extra leading zero (two leading zeros in total) */ - if( nrg & 0xC0000000 ) { - nrg = silk_RSHIFT_uint( (opus_uint32)nrg, 2 ); - shft += 2; - } - - /* Output arguments */ - *shift = shft; - *energy = nrg; -} - diff --git a/src/opus-1.1/silk/table_LSF_cos.c b/src/opus-1.1/silk/table_LSF_cos.c deleted file mode 100644 index ec9dc639..00000000 --- a/src/opus-1.1/silk/table_LSF_cos.c +++ /dev/null @@ -1,70 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -/* Cosine approximation table for LSF conversion */ -/* Q12 values (even) */ -const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ] = { - 8192, 8190, 8182, 8170, - 8152, 8130, 8104, 8072, - 8034, 7994, 7946, 7896, - 7840, 7778, 7714, 7644, - 7568, 7490, 7406, 7318, - 7226, 7128, 7026, 6922, - 6812, 6698, 6580, 6458, - 6332, 6204, 6070, 5934, - 5792, 5648, 5502, 5352, - 5198, 5040, 4880, 4718, - 4552, 4382, 4212, 4038, - 3862, 3684, 3502, 3320, - 3136, 2948, 2760, 2570, - 2378, 2186, 1990, 1794, - 1598, 1400, 1202, 1002, - 802, 602, 402, 202, - 0, -202, -402, -602, - -802, -1002, -1202, -1400, - -1598, -1794, -1990, -2186, - -2378, -2570, -2760, -2948, - -3136, -3320, -3502, -3684, - -3862, -4038, -4212, -4382, - -4552, -4718, -4880, -5040, - -5198, -5352, -5502, -5648, - -5792, -5934, -6070, -6204, - -6332, -6458, -6580, -6698, - -6812, -6922, -7026, -7128, - -7226, -7318, -7406, -7490, - -7568, -7644, -7714, -7778, - -7840, -7896, -7946, -7994, - -8034, -8072, -8104, -8130, - -8152, -8170, -8182, -8190, - -8192 -}; diff --git a/src/opus-1.1/silk/tables.h b/src/opus-1.1/silk/tables.h deleted file mode 100644 index a91431e8..00000000 --- a/src/opus-1.1/silk/tables.h +++ /dev/null @@ -1,122 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_TABLES_H -#define SILK_TABLES_H - -#include "define.h" -#include "structs.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Entropy coding tables (with size in bytes indicated) */ -extern const opus_uint8 silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ]; /* 24 */ -extern const opus_uint8 silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ]; /* 41 */ - -extern const opus_uint8 silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ];/* 32 */ -extern const opus_uint8 silk_pitch_delta_iCDF[ 21 ]; /* 21 */ -extern const opus_uint8 silk_pitch_contour_iCDF[ 34 ]; /* 34 */ -extern const opus_uint8 silk_pitch_contour_NB_iCDF[ 11 ]; /* 11 */ -extern const opus_uint8 silk_pitch_contour_10_ms_iCDF[ 12 ]; /* 12 */ -extern const opus_uint8 silk_pitch_contour_10_ms_NB_iCDF[ 3 ]; /* 3 */ - -extern const opus_uint8 silk_pulses_per_block_iCDF[ N_RATE_LEVELS ][ MAX_PULSES + 2 ]; /* 180 */ -extern const opus_uint8 silk_pulses_per_block_BITS_Q5[ N_RATE_LEVELS - 1 ][ MAX_PULSES + 2 ]; /* 162 */ - -extern const opus_uint8 silk_rate_levels_iCDF[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */ -extern const opus_uint8 silk_rate_levels_BITS_Q5[ 2 ][ N_RATE_LEVELS - 1 ]; /* 18 */ - -extern const opus_uint8 silk_max_pulses_table[ 4 ]; /* 4 */ - -extern const opus_uint8 silk_shell_code_table0[ 152 ]; /* 152 */ -extern const opus_uint8 silk_shell_code_table1[ 152 ]; /* 152 */ -extern const opus_uint8 silk_shell_code_table2[ 152 ]; /* 152 */ -extern const opus_uint8 silk_shell_code_table3[ 152 ]; /* 152 */ -extern const opus_uint8 silk_shell_code_table_offsets[ MAX_PULSES + 1 ]; /* 17 */ - -extern const opus_uint8 silk_lsb_iCDF[ 2 ]; /* 2 */ - -extern const opus_uint8 silk_sign_iCDF[ 42 ]; /* 42 */ - -extern const opus_uint8 silk_uniform3_iCDF[ 3 ]; /* 3 */ -extern const opus_uint8 silk_uniform4_iCDF[ 4 ]; /* 4 */ -extern const opus_uint8 silk_uniform5_iCDF[ 5 ]; /* 5 */ -extern const opus_uint8 silk_uniform6_iCDF[ 6 ]; /* 6 */ -extern const opus_uint8 silk_uniform8_iCDF[ 8 ]; /* 8 */ - -extern const opus_uint8 silk_NLSF_EXT_iCDF[ 7 ]; /* 7 */ - -extern const opus_uint8 silk_LTP_per_index_iCDF[ 3 ]; /* 3 */ -extern const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[ NB_LTP_CBKS ]; /* 3 */ -extern const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[ NB_LTP_CBKS ]; /* 3 */ -extern const opus_int16 silk_LTP_gain_middle_avg_RD_Q14; -extern const opus_int8 * const silk_LTP_vq_ptrs_Q7[ NB_LTP_CBKS ]; /* 168 */ -extern const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS]; - -extern const opus_int8 silk_LTP_vq_sizes[ NB_LTP_CBKS ]; /* 3 */ - -extern const opus_uint8 silk_LTPscale_iCDF[ 3 ]; /* 4 */ -extern const opus_int16 silk_LTPScales_table_Q14[ 3 ]; /* 6 */ - -extern const opus_uint8 silk_type_offset_VAD_iCDF[ 4 ]; /* 4 */ -extern const opus_uint8 silk_type_offset_no_VAD_iCDF[ 2 ]; /* 2 */ - -extern const opus_int16 silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ]; /* 32 */ -extern const opus_uint8 silk_stereo_pred_joint_iCDF[ 25 ]; /* 25 */ -extern const opus_uint8 silk_stereo_only_code_mid_iCDF[ 2 ]; /* 2 */ - -extern const opus_uint8 * const silk_LBRR_flags_iCDF_ptr[ 2 ]; /* 10 */ - -extern const opus_uint8 silk_NLSF_interpolation_factor_iCDF[ 5 ]; /* 5 */ - -extern const silk_NLSF_CB_struct silk_NLSF_CB_WB; /* 1040 */ -extern const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB; /* 728 */ - -/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */ -extern const opus_int32 silk_TargetRate_table_NB[ TARGET_RATE_TAB_SZ ]; /* 32 */ -extern const opus_int32 silk_TargetRate_table_MB[ TARGET_RATE_TAB_SZ ]; /* 32 */ -extern const opus_int32 silk_TargetRate_table_WB[ TARGET_RATE_TAB_SZ ]; /* 32 */ -extern const opus_int16 silk_SNR_table_Q1[ TARGET_RATE_TAB_SZ ]; /* 32 */ - -/* Quantization offsets */ -extern const opus_int16 silk_Quantization_Offsets_Q10[ 2 ][ 2 ]; /* 8 */ - -/* Interpolation points for filter coefficients used in the bandwidth transition smoother */ -extern const opus_int32 silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ]; /* 60 */ -extern const opus_int32 silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ]; /* 60 */ - -/* Rom table with cosine values */ -extern const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ]; /* 258 */ - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/opus-1.1/silk/tables_LTP.c b/src/opus-1.1/silk/tables_LTP.c deleted file mode 100644 index 0e6a0254..00000000 --- a/src/opus-1.1/silk/tables_LTP.c +++ /dev/null @@ -1,296 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -const opus_uint8 silk_LTP_per_index_iCDF[3] = { - 179, 99, 0 -}; - -static const opus_uint8 silk_LTP_gain_iCDF_0[8] = { - 71, 56, 43, 30, 21, 12, 6, 0 -}; - -static const opus_uint8 silk_LTP_gain_iCDF_1[16] = { - 199, 165, 144, 124, 109, 96, 84, 71, - 61, 51, 42, 32, 23, 15, 8, 0 -}; - -static const opus_uint8 silk_LTP_gain_iCDF_2[32] = { - 241, 225, 211, 199, 187, 175, 164, 153, - 142, 132, 123, 114, 105, 96, 88, 80, - 72, 64, 57, 50, 44, 38, 33, 29, - 24, 20, 16, 12, 9, 5, 2, 0 -}; - -const opus_int16 silk_LTP_gain_middle_avg_RD_Q14 = 12304; - -static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = { - 15, 131, 138, 138, 155, 155, 173, 173 -}; - -static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = { - 69, 93, 115, 118, 131, 138, 141, 138, - 150, 150, 155, 150, 155, 160, 166, 160 -}; - -static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = { - 131, 128, 134, 141, 141, 141, 145, 145, - 145, 150, 155, 155, 155, 155, 160, 160, - 160, 160, 166, 166, 173, 173, 182, 192, - 182, 192, 192, 192, 205, 192, 205, 224 -}; - -const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = { - silk_LTP_gain_iCDF_0, - silk_LTP_gain_iCDF_1, - silk_LTP_gain_iCDF_2 -}; - -const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = { - silk_LTP_gain_BITS_Q5_0, - silk_LTP_gain_BITS_Q5_1, - silk_LTP_gain_BITS_Q5_2 -}; - -static const opus_int8 silk_LTP_gain_vq_0[8][5] = -{ -{ - 4, 6, 24, 7, 5 -}, -{ - 0, 0, 2, 0, 0 -}, -{ - 12, 28, 41, 13, -4 -}, -{ - -9, 15, 42, 25, 14 -}, -{ - 1, -2, 62, 41, -9 -}, -{ - -10, 37, 65, -4, 3 -}, -{ - -6, 4, 66, 7, -8 -}, -{ - 16, 14, 38, -3, 33 -} -}; - -static const opus_int8 silk_LTP_gain_vq_1[16][5] = -{ -{ - 13, 22, 39, 23, 12 -}, -{ - -1, 36, 64, 27, -6 -}, -{ - -7, 10, 55, 43, 17 -}, -{ - 1, 1, 8, 1, 1 -}, -{ - 6, -11, 74, 53, -9 -}, -{ - -12, 55, 76, -12, 8 -}, -{ - -3, 3, 93, 27, -4 -}, -{ - 26, 39, 59, 3, -8 -}, -{ - 2, 0, 77, 11, 9 -}, -{ - -8, 22, 44, -6, 7 -}, -{ - 40, 9, 26, 3, 9 -}, -{ - -7, 20, 101, -7, 4 -}, -{ - 3, -8, 42, 26, 0 -}, -{ - -15, 33, 68, 2, 23 -}, -{ - -2, 55, 46, -2, 15 -}, -{ - 3, -1, 21, 16, 41 -} -}; - -static const opus_int8 silk_LTP_gain_vq_2[32][5] = -{ -{ - -6, 27, 61, 39, 5 -}, -{ - -11, 42, 88, 4, 1 -}, -{ - -2, 60, 65, 6, -4 -}, -{ - -1, -5, 73, 56, 1 -}, -{ - -9, 19, 94, 29, -9 -}, -{ - 0, 12, 99, 6, 4 -}, -{ - 8, -19, 102, 46, -13 -}, -{ - 3, 2, 13, 3, 2 -}, -{ - 9, -21, 84, 72, -18 -}, -{ - -11, 46, 104, -22, 8 -}, -{ - 18, 38, 48, 23, 0 -}, -{ - -16, 70, 83, -21, 11 -}, -{ - 5, -11, 117, 22, -8 -}, -{ - -6, 23, 117, -12, 3 -}, -{ - 3, -8, 95, 28, 4 -}, -{ - -10, 15, 77, 60, -15 -}, -{ - -1, 4, 124, 2, -4 -}, -{ - 3, 38, 84, 24, -25 -}, -{ - 2, 13, 42, 13, 31 -}, -{ - 21, -4, 56, 46, -1 -}, -{ - -1, 35, 79, -13, 19 -}, -{ - -7, 65, 88, -9, -14 -}, -{ - 20, 4, 81, 49, -29 -}, -{ - 20, 0, 75, 3, -17 -}, -{ - 5, -9, 44, 92, -8 -}, -{ - 1, -3, 22, 69, 31 -}, -{ - -6, 95, 41, -12, 5 -}, -{ - 39, 67, 16, -4, 1 -}, -{ - 0, -6, 120, 55, -36 -}, -{ - -13, 44, 122, 4, -24 -}, -{ - 81, 5, 11, 3, 7 -}, -{ - 2, 0, 9, 10, 88 -} -}; - -const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = { - (opus_int8 *)&silk_LTP_gain_vq_0[0][0], - (opus_int8 *)&silk_LTP_gain_vq_1[0][0], - (opus_int8 *)&silk_LTP_gain_vq_2[0][0] -}; - -/* Maximum frequency-dependent response of the pitch taps above, - computed as max(abs(freqz(taps))) */ -static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = { - 46, 2, 90, 87, 93, 91, 82, 98 -}; - -static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = { - 109, 120, 118, 12, 113, 115, 117, 119, - 99, 59, 87, 111, 63, 111, 112, 80 -}; - -static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = { - 126, 124, 125, 124, 129, 121, 126, 23, - 132, 127, 127, 127, 126, 127, 122, 133, - 130, 134, 101, 118, 119, 145, 126, 86, - 124, 120, 123, 119, 170, 173, 107, 109 -}; - -const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = { - &silk_LTP_gain_vq_0_gain[0], - &silk_LTP_gain_vq_1_gain[0], - &silk_LTP_gain_vq_2_gain[0] -}; - -const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = { - 8, 16, 32 -}; diff --git a/src/opus-1.1/silk/tables_NLSF_CB_NB_MB.c b/src/opus-1.1/silk/tables_NLSF_CB_NB_MB.c deleted file mode 100644 index 8c59d207..00000000 --- a/src/opus-1.1/silk/tables_NLSF_CB_NB_MB.c +++ /dev/null @@ -1,159 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -static const opus_uint8 silk_NLSF_CB1_NB_MB_Q8[ 320 ] = { - 12, 35, 60, 83, 108, 132, 157, 180, - 206, 228, 15, 32, 55, 77, 101, 125, - 151, 175, 201, 225, 19, 42, 66, 89, - 114, 137, 162, 184, 209, 230, 12, 25, - 50, 72, 97, 120, 147, 172, 200, 223, - 26, 44, 69, 90, 114, 135, 159, 180, - 205, 225, 13, 22, 53, 80, 106, 130, - 156, 180, 205, 228, 15, 25, 44, 64, - 90, 115, 142, 168, 196, 222, 19, 24, - 62, 82, 100, 120, 145, 168, 190, 214, - 22, 31, 50, 79, 103, 120, 151, 170, - 203, 227, 21, 29, 45, 65, 106, 124, - 150, 171, 196, 224, 30, 49, 75, 97, - 121, 142, 165, 186, 209, 229, 19, 25, - 52, 70, 93, 116, 143, 166, 192, 219, - 26, 34, 62, 75, 97, 118, 145, 167, - 194, 217, 25, 33, 56, 70, 91, 113, - 143, 165, 196, 223, 21, 34, 51, 72, - 97, 117, 145, 171, 196, 222, 20, 29, - 50, 67, 90, 117, 144, 168, 197, 221, - 22, 31, 48, 66, 95, 117, 146, 168, - 196, 222, 24, 33, 51, 77, 116, 134, - 158, 180, 200, 224, 21, 28, 70, 87, - 106, 124, 149, 170, 194, 217, 26, 33, - 53, 64, 83, 117, 152, 173, 204, 225, - 27, 34, 65, 95, 108, 129, 155, 174, - 210, 225, 20, 26, 72, 99, 113, 131, - 154, 176, 200, 219, 34, 43, 61, 78, - 93, 114, 155, 177, 205, 229, 23, 29, - 54, 97, 124, 138, 163, 179, 209, 229, - 30, 38, 56, 89, 118, 129, 158, 178, - 200, 231, 21, 29, 49, 63, 85, 111, - 142, 163, 193, 222, 27, 48, 77, 103, - 133, 158, 179, 196, 215, 232, 29, 47, - 74, 99, 124, 151, 176, 198, 220, 237, - 33, 42, 61, 76, 93, 121, 155, 174, - 207, 225, 29, 53, 87, 112, 136, 154, - 170, 188, 208, 227, 24, 30, 52, 84, - 131, 150, 166, 186, 203, 229, 37, 48, - 64, 84, 104, 118, 156, 177, 201, 230 -}; - -static const opus_uint8 silk_NLSF_CB1_iCDF_NB_MB[ 64 ] = { - 212, 178, 148, 129, 108, 96, 85, 82, - 79, 77, 61, 59, 57, 56, 51, 49, - 48, 45, 42, 41, 40, 38, 36, 34, - 31, 30, 21, 12, 10, 3, 1, 0, - 255, 245, 244, 236, 233, 225, 217, 203, - 190, 176, 175, 161, 149, 136, 125, 114, - 102, 91, 81, 71, 60, 52, 43, 35, - 28, 20, 19, 18, 12, 11, 5, 0 -}; - -static const opus_uint8 silk_NLSF_CB2_SELECT_NB_MB[ 160 ] = { - 16, 0, 0, 0, 0, 99, 66, 36, - 36, 34, 36, 34, 34, 34, 34, 83, - 69, 36, 52, 34, 116, 102, 70, 68, - 68, 176, 102, 68, 68, 34, 65, 85, - 68, 84, 36, 116, 141, 152, 139, 170, - 132, 187, 184, 216, 137, 132, 249, 168, - 185, 139, 104, 102, 100, 68, 68, 178, - 218, 185, 185, 170, 244, 216, 187, 187, - 170, 244, 187, 187, 219, 138, 103, 155, - 184, 185, 137, 116, 183, 155, 152, 136, - 132, 217, 184, 184, 170, 164, 217, 171, - 155, 139, 244, 169, 184, 185, 170, 164, - 216, 223, 218, 138, 214, 143, 188, 218, - 168, 244, 141, 136, 155, 170, 168, 138, - 220, 219, 139, 164, 219, 202, 216, 137, - 168, 186, 246, 185, 139, 116, 185, 219, - 185, 138, 100, 100, 134, 100, 102, 34, - 68, 68, 100, 68, 168, 203, 221, 218, - 168, 167, 154, 136, 104, 70, 164, 246, - 171, 137, 139, 137, 155, 218, 219, 139 -}; - -static const opus_uint8 silk_NLSF_CB2_iCDF_NB_MB[ 72 ] = { - 255, 254, 253, 238, 14, 3, 2, 1, - 0, 255, 254, 252, 218, 35, 3, 2, - 1, 0, 255, 254, 250, 208, 59, 4, - 2, 1, 0, 255, 254, 246, 194, 71, - 10, 2, 1, 0, 255, 252, 236, 183, - 82, 8, 2, 1, 0, 255, 252, 235, - 180, 90, 17, 2, 1, 0, 255, 248, - 224, 171, 97, 30, 4, 1, 0, 255, - 254, 236, 173, 95, 37, 7, 1, 0 -}; - -static const opus_uint8 silk_NLSF_CB2_BITS_NB_MB_Q5[ 72 ] = { - 255, 255, 255, 131, 6, 145, 255, 255, - 255, 255, 255, 236, 93, 15, 96, 255, - 255, 255, 255, 255, 194, 83, 25, 71, - 221, 255, 255, 255, 255, 162, 73, 34, - 66, 162, 255, 255, 255, 210, 126, 73, - 43, 57, 173, 255, 255, 255, 201, 125, - 71, 48, 58, 130, 255, 255, 255, 166, - 110, 73, 57, 62, 104, 210, 255, 255, - 251, 123, 65, 55, 68, 100, 171, 255 -}; - -static const opus_uint8 silk_NLSF_PRED_NB_MB_Q8[ 18 ] = { - 179, 138, 140, 148, 151, 149, 153, 151, - 163, 116, 67, 82, 59, 92, 72, 100, - 89, 92 -}; - -static const opus_int16 silk_NLSF_DELTA_MIN_NB_MB_Q15[ 11 ] = { - 250, 3, 6, 3, 3, 3, 4, 3, - 3, 3, 461 -}; - -const silk_NLSF_CB_struct silk_NLSF_CB_NB_MB = -{ - 32, - 10, - SILK_FIX_CONST( 0.18, 16 ), - SILK_FIX_CONST( 1.0 / 0.18, 6 ), - silk_NLSF_CB1_NB_MB_Q8, - silk_NLSF_CB1_iCDF_NB_MB, - silk_NLSF_PRED_NB_MB_Q8, - silk_NLSF_CB2_SELECT_NB_MB, - silk_NLSF_CB2_iCDF_NB_MB, - silk_NLSF_CB2_BITS_NB_MB_Q5, - silk_NLSF_DELTA_MIN_NB_MB_Q15, -}; diff --git a/src/opus-1.1/silk/tables_NLSF_CB_WB.c b/src/opus-1.1/silk/tables_NLSF_CB_WB.c deleted file mode 100644 index 50af87eb..00000000 --- a/src/opus-1.1/silk/tables_NLSF_CB_WB.c +++ /dev/null @@ -1,198 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -static const opus_uint8 silk_NLSF_CB1_WB_Q8[ 512 ] = { - 7, 23, 38, 54, 69, 85, 100, 116, - 131, 147, 162, 178, 193, 208, 223, 239, - 13, 25, 41, 55, 69, 83, 98, 112, - 127, 142, 157, 171, 187, 203, 220, 236, - 15, 21, 34, 51, 61, 78, 92, 106, - 126, 136, 152, 167, 185, 205, 225, 240, - 10, 21, 36, 50, 63, 79, 95, 110, - 126, 141, 157, 173, 189, 205, 221, 237, - 17, 20, 37, 51, 59, 78, 89, 107, - 123, 134, 150, 164, 184, 205, 224, 240, - 10, 15, 32, 51, 67, 81, 96, 112, - 129, 142, 158, 173, 189, 204, 220, 236, - 8, 21, 37, 51, 65, 79, 98, 113, - 126, 138, 155, 168, 179, 192, 209, 218, - 12, 15, 34, 55, 63, 78, 87, 108, - 118, 131, 148, 167, 185, 203, 219, 236, - 16, 19, 32, 36, 56, 79, 91, 108, - 118, 136, 154, 171, 186, 204, 220, 237, - 11, 28, 43, 58, 74, 89, 105, 120, - 135, 150, 165, 180, 196, 211, 226, 241, - 6, 16, 33, 46, 60, 75, 92, 107, - 123, 137, 156, 169, 185, 199, 214, 225, - 11, 19, 30, 44, 57, 74, 89, 105, - 121, 135, 152, 169, 186, 202, 218, 234, - 12, 19, 29, 46, 57, 71, 88, 100, - 120, 132, 148, 165, 182, 199, 216, 233, - 17, 23, 35, 46, 56, 77, 92, 106, - 123, 134, 152, 167, 185, 204, 222, 237, - 14, 17, 45, 53, 63, 75, 89, 107, - 115, 132, 151, 171, 188, 206, 221, 240, - 9, 16, 29, 40, 56, 71, 88, 103, - 119, 137, 154, 171, 189, 205, 222, 237, - 16, 19, 36, 48, 57, 76, 87, 105, - 118, 132, 150, 167, 185, 202, 218, 236, - 12, 17, 29, 54, 71, 81, 94, 104, - 126, 136, 149, 164, 182, 201, 221, 237, - 15, 28, 47, 62, 79, 97, 115, 129, - 142, 155, 168, 180, 194, 208, 223, 238, - 8, 14, 30, 45, 62, 78, 94, 111, - 127, 143, 159, 175, 192, 207, 223, 239, - 17, 30, 49, 62, 79, 92, 107, 119, - 132, 145, 160, 174, 190, 204, 220, 235, - 14, 19, 36, 45, 61, 76, 91, 108, - 121, 138, 154, 172, 189, 205, 222, 238, - 12, 18, 31, 45, 60, 76, 91, 107, - 123, 138, 154, 171, 187, 204, 221, 236, - 13, 17, 31, 43, 53, 70, 83, 103, - 114, 131, 149, 167, 185, 203, 220, 237, - 17, 22, 35, 42, 58, 78, 93, 110, - 125, 139, 155, 170, 188, 206, 224, 240, - 8, 15, 34, 50, 67, 83, 99, 115, - 131, 146, 162, 178, 193, 209, 224, 239, - 13, 16, 41, 66, 73, 86, 95, 111, - 128, 137, 150, 163, 183, 206, 225, 241, - 17, 25, 37, 52, 63, 75, 92, 102, - 119, 132, 144, 160, 175, 191, 212, 231, - 19, 31, 49, 65, 83, 100, 117, 133, - 147, 161, 174, 187, 200, 213, 227, 242, - 18, 31, 52, 68, 88, 103, 117, 126, - 138, 149, 163, 177, 192, 207, 223, 239, - 16, 29, 47, 61, 76, 90, 106, 119, - 133, 147, 161, 176, 193, 209, 224, 240, - 15, 21, 35, 50, 61, 73, 86, 97, - 110, 119, 129, 141, 175, 198, 218, 237 -}; - -static const opus_uint8 silk_NLSF_CB1_iCDF_WB[ 64 ] = { - 225, 204, 201, 184, 183, 175, 158, 154, - 153, 135, 119, 115, 113, 110, 109, 99, - 98, 95, 79, 68, 52, 50, 48, 45, - 43, 32, 31, 27, 18, 10, 3, 0, - 255, 251, 235, 230, 212, 201, 196, 182, - 167, 166, 163, 151, 138, 124, 110, 104, - 90, 78, 76, 70, 69, 57, 45, 34, - 24, 21, 11, 6, 5, 4, 3, 0 -}; - -static const opus_uint8 silk_NLSF_CB2_SELECT_WB[ 256 ] = { - 0, 0, 0, 0, 0, 0, 0, 1, - 100, 102, 102, 68, 68, 36, 34, 96, - 164, 107, 158, 185, 180, 185, 139, 102, - 64, 66, 36, 34, 34, 0, 1, 32, - 208, 139, 141, 191, 152, 185, 155, 104, - 96, 171, 104, 166, 102, 102, 102, 132, - 1, 0, 0, 0, 0, 16, 16, 0, - 80, 109, 78, 107, 185, 139, 103, 101, - 208, 212, 141, 139, 173, 153, 123, 103, - 36, 0, 0, 0, 0, 0, 0, 1, - 48, 0, 0, 0, 0, 0, 0, 32, - 68, 135, 123, 119, 119, 103, 69, 98, - 68, 103, 120, 118, 118, 102, 71, 98, - 134, 136, 157, 184, 182, 153, 139, 134, - 208, 168, 248, 75, 189, 143, 121, 107, - 32, 49, 34, 34, 34, 0, 17, 2, - 210, 235, 139, 123, 185, 137, 105, 134, - 98, 135, 104, 182, 100, 183, 171, 134, - 100, 70, 68, 70, 66, 66, 34, 131, - 64, 166, 102, 68, 36, 2, 1, 0, - 134, 166, 102, 68, 34, 34, 66, 132, - 212, 246, 158, 139, 107, 107, 87, 102, - 100, 219, 125, 122, 137, 118, 103, 132, - 114, 135, 137, 105, 171, 106, 50, 34, - 164, 214, 141, 143, 185, 151, 121, 103, - 192, 34, 0, 0, 0, 0, 0, 1, - 208, 109, 74, 187, 134, 249, 159, 137, - 102, 110, 154, 118, 87, 101, 119, 101, - 0, 2, 0, 36, 36, 66, 68, 35, - 96, 164, 102, 100, 36, 0, 2, 33, - 167, 138, 174, 102, 100, 84, 2, 2, - 100, 107, 120, 119, 36, 197, 24, 0 -}; - -static const opus_uint8 silk_NLSF_CB2_iCDF_WB[ 72 ] = { - 255, 254, 253, 244, 12, 3, 2, 1, - 0, 255, 254, 252, 224, 38, 3, 2, - 1, 0, 255, 254, 251, 209, 57, 4, - 2, 1, 0, 255, 254, 244, 195, 69, - 4, 2, 1, 0, 255, 251, 232, 184, - 84, 7, 2, 1, 0, 255, 254, 240, - 186, 86, 14, 2, 1, 0, 255, 254, - 239, 178, 91, 30, 5, 1, 0, 255, - 248, 227, 177, 100, 19, 2, 1, 0 -}; - -static const opus_uint8 silk_NLSF_CB2_BITS_WB_Q5[ 72 ] = { - 255, 255, 255, 156, 4, 154, 255, 255, - 255, 255, 255, 227, 102, 15, 92, 255, - 255, 255, 255, 255, 213, 83, 24, 72, - 236, 255, 255, 255, 255, 150, 76, 33, - 63, 214, 255, 255, 255, 190, 121, 77, - 43, 55, 185, 255, 255, 255, 245, 137, - 71, 43, 59, 139, 255, 255, 255, 255, - 131, 66, 50, 66, 107, 194, 255, 255, - 166, 116, 76, 55, 53, 125, 255, 255 -}; - -static const opus_uint8 silk_NLSF_PRED_WB_Q8[ 30 ] = { - 175, 148, 160, 176, 178, 173, 174, 164, - 177, 174, 196, 182, 198, 192, 182, 68, - 62, 66, 60, 72, 117, 85, 90, 118, - 136, 151, 142, 160, 142, 155 -}; - -static const opus_int16 silk_NLSF_DELTA_MIN_WB_Q15[ 17 ] = { - 100, 3, 40, 3, 3, 3, 5, 14, - 14, 10, 11, 3, 8, 9, 7, 3, - 347 -}; - -const silk_NLSF_CB_struct silk_NLSF_CB_WB = -{ - 32, - 16, - SILK_FIX_CONST( 0.15, 16 ), - SILK_FIX_CONST( 1.0 / 0.15, 6 ), - silk_NLSF_CB1_WB_Q8, - silk_NLSF_CB1_iCDF_WB, - silk_NLSF_PRED_WB_Q8, - silk_NLSF_CB2_SELECT_WB, - silk_NLSF_CB2_iCDF_WB, - silk_NLSF_CB2_BITS_WB_Q5, - silk_NLSF_DELTA_MIN_WB_Q15, -}; - diff --git a/src/opus-1.1/silk/tables_gain.c b/src/opus-1.1/silk/tables_gain.c deleted file mode 100644 index 37e41d89..00000000 --- a/src/opus-1.1/silk/tables_gain.c +++ /dev/null @@ -1,63 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -const opus_uint8 silk_gain_iCDF[ 3 ][ N_LEVELS_QGAIN / 8 ] = -{ -{ - 224, 112, 44, 15, 3, 2, 1, 0 -}, -{ - 254, 237, 192, 132, 70, 23, 4, 0 -}, -{ - 255, 252, 226, 155, 61, 11, 2, 0 -} -}; - -const opus_uint8 silk_delta_gain_iCDF[ MAX_DELTA_GAIN_QUANT - MIN_DELTA_GAIN_QUANT + 1 ] = { - 250, 245, 234, 203, 71, 50, 42, 38, - 35, 33, 31, 29, 28, 27, 26, 25, - 24, 23, 22, 21, 20, 19, 18, 17, - 16, 15, 14, 13, 12, 11, 10, 9, - 8, 7, 6, 5, 4, 3, 2, 1, - 0 -}; - -#ifdef __cplusplus -} -#endif diff --git a/src/opus-1.1/silk/tables_other.c b/src/opus-1.1/silk/tables_other.c deleted file mode 100644 index 398686bf..00000000 --- a/src/opus-1.1/silk/tables_other.c +++ /dev/null @@ -1,138 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "structs.h" -#include "define.h" -#include "tables.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */ -const opus_int32 silk_TargetRate_table_NB[ TARGET_RATE_TAB_SZ ] = { - 0, 8000, 9400, 11500, 13500, 17500, 25000, MAX_TARGET_RATE_BPS -}; -const opus_int32 silk_TargetRate_table_MB[ TARGET_RATE_TAB_SZ ] = { - 0, 9000, 12000, 14500, 18500, 24500, 35500, MAX_TARGET_RATE_BPS -}; -const opus_int32 silk_TargetRate_table_WB[ TARGET_RATE_TAB_SZ ] = { - 0, 10500, 14000, 17000, 21500, 28500, 42000, MAX_TARGET_RATE_BPS -}; -const opus_int16 silk_SNR_table_Q1[ TARGET_RATE_TAB_SZ ] = { - 18, 29, 38, 40, 46, 52, 62, 84 -}; - -/* Tables for stereo predictor coding */ -const opus_int16 silk_stereo_pred_quant_Q13[ STEREO_QUANT_TAB_SIZE ] = { - -13732, -10050, -8266, -7526, -6500, -5000, -2950, -820, - 820, 2950, 5000, 6500, 7526, 8266, 10050, 13732 -}; -const opus_uint8 silk_stereo_pred_joint_iCDF[ 25 ] = { - 249, 247, 246, 245, 244, - 234, 210, 202, 201, 200, - 197, 174, 82, 59, 56, - 55, 54, 46, 22, 12, - 11, 10, 9, 7, 0 -}; -const opus_uint8 silk_stereo_only_code_mid_iCDF[ 2 ] = { 64, 0 }; - -/* Tables for LBRR flags */ -static const opus_uint8 silk_LBRR_flags_2_iCDF[ 3 ] = { 203, 150, 0 }; -static const opus_uint8 silk_LBRR_flags_3_iCDF[ 7 ] = { 215, 195, 166, 125, 110, 82, 0 }; -const opus_uint8 * const silk_LBRR_flags_iCDF_ptr[ 2 ] = { - silk_LBRR_flags_2_iCDF, - silk_LBRR_flags_3_iCDF -}; - -/* Table for LSB coding */ -const opus_uint8 silk_lsb_iCDF[ 2 ] = { 120, 0 }; - -/* Tables for LTPScale */ -const opus_uint8 silk_LTPscale_iCDF[ 3 ] = { 128, 64, 0 }; - -/* Tables for signal type and offset coding */ -const opus_uint8 silk_type_offset_VAD_iCDF[ 4 ] = { - 232, 158, 10, 0 -}; -const opus_uint8 silk_type_offset_no_VAD_iCDF[ 2 ] = { - 230, 0 -}; - -/* Tables for NLSF interpolation factor */ -const opus_uint8 silk_NLSF_interpolation_factor_iCDF[ 5 ] = { 243, 221, 192, 181, 0 }; - -/* Quantization offsets */ -const opus_int16 silk_Quantization_Offsets_Q10[ 2 ][ 2 ] = { - { OFFSET_UVL_Q10, OFFSET_UVH_Q10 }, { OFFSET_VL_Q10, OFFSET_VH_Q10 } -}; - -/* Table for LTPScale */ -const opus_int16 silk_LTPScales_table_Q14[ 3 ] = { 15565, 12288, 8192 }; - -/* Uniform entropy tables */ -const opus_uint8 silk_uniform3_iCDF[ 3 ] = { 171, 85, 0 }; -const opus_uint8 silk_uniform4_iCDF[ 4 ] = { 192, 128, 64, 0 }; -const opus_uint8 silk_uniform5_iCDF[ 5 ] = { 205, 154, 102, 51, 0 }; -const opus_uint8 silk_uniform6_iCDF[ 6 ] = { 213, 171, 128, 85, 43, 0 }; -const opus_uint8 silk_uniform8_iCDF[ 8 ] = { 224, 192, 160, 128, 96, 64, 32, 0 }; - -const opus_uint8 silk_NLSF_EXT_iCDF[ 7 ] = { 100, 40, 16, 7, 3, 1, 0 }; - -/* Elliptic/Cauer filters designed with 0.1 dB passband ripple, - 80 dB minimum stopband attenuation, and - [0.95 : 0.15 : 0.35] normalized cut off frequencies. */ - -/* Interpolation points for filter coefficients used in the bandwidth transition smoother */ -const opus_int32 silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NB ] = -{ -{ 250767114, 501534038, 250767114 }, -{ 209867381, 419732057, 209867381 }, -{ 170987846, 341967853, 170987846 }, -{ 131531482, 263046905, 131531482 }, -{ 89306658, 178584282, 89306658 } -}; - -/* Interpolation points for filter coefficients used in the bandwidth transition smoother */ -const opus_int32 silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM ][ TRANSITION_NA ] = -{ -{ 506393414, 239854379 }, -{ 411067935, 169683996 }, -{ 306733530, 116694253 }, -{ 185807084, 77959395 }, -{ 35497197, 57401098 } -}; - -#ifdef __cplusplus -} -#endif - diff --git a/src/opus-1.1/silk/tables_pitch_lag.c b/src/opus-1.1/silk/tables_pitch_lag.c deleted file mode 100644 index e80cc59a..00000000 --- a/src/opus-1.1/silk/tables_pitch_lag.c +++ /dev/null @@ -1,69 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -const opus_uint8 silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ] = { - 253, 250, 244, 233, 212, 182, 150, 131, - 120, 110, 98, 85, 72, 60, 49, 40, - 32, 25, 19, 15, 13, 11, 9, 8, - 7, 6, 5, 4, 3, 2, 1, 0 -}; - -const opus_uint8 silk_pitch_delta_iCDF[21] = { - 210, 208, 206, 203, 199, 193, 183, 168, - 142, 104, 74, 52, 37, 27, 20, 14, - 10, 6, 4, 2, 0 -}; - -const opus_uint8 silk_pitch_contour_iCDF[34] = { - 223, 201, 183, 167, 152, 138, 124, 111, - 98, 88, 79, 70, 62, 56, 50, 44, - 39, 35, 31, 27, 24, 21, 18, 16, - 14, 12, 10, 8, 6, 4, 3, 2, - 1, 0 -}; - -const opus_uint8 silk_pitch_contour_NB_iCDF[11] = { - 188, 176, 155, 138, 119, 97, 67, 43, - 26, 10, 0 -}; - -const opus_uint8 silk_pitch_contour_10_ms_iCDF[12] = { - 165, 119, 80, 61, 47, 35, 27, 20, - 14, 9, 4, 0 -}; - -const opus_uint8 silk_pitch_contour_10_ms_NB_iCDF[3] = { - 113, 63, 0 -}; - - diff --git a/src/opus-1.1/silk/tables_pulses_per_block.c b/src/opus-1.1/silk/tables_pulses_per_block.c deleted file mode 100644 index c7c01c88..00000000 --- a/src/opus-1.1/silk/tables_pulses_per_block.c +++ /dev/null @@ -1,264 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "tables.h" - -const opus_uint8 silk_max_pulses_table[ 4 ] = { - 8, 10, 12, 16 -}; - -const opus_uint8 silk_pulses_per_block_iCDF[ 10 ][ 18 ] = { -{ - 125, 51, 26, 18, 15, 12, 11, 10, - 9, 8, 7, 6, 5, 4, 3, 2, - 1, 0 -}, -{ - 198, 105, 45, 22, 15, 12, 11, 10, - 9, 8, 7, 6, 5, 4, 3, 2, - 1, 0 -}, -{ - 213, 162, 116, 83, 59, 43, 32, 24, - 18, 15, 12, 9, 7, 6, 5, 3, - 2, 0 -}, -{ - 239, 187, 116, 59, 28, 16, 11, 10, - 9, 8, 7, 6, 5, 4, 3, 2, - 1, 0 -}, -{ - 250, 229, 188, 135, 86, 51, 30, 19, - 13, 10, 8, 6, 5, 4, 3, 2, - 1, 0 -}, -{ - 249, 235, 213, 185, 156, 128, 103, 83, - 66, 53, 42, 33, 26, 21, 17, 13, - 10, 0 -}, -{ - 254, 249, 235, 206, 164, 118, 77, 46, - 27, 16, 10, 7, 5, 4, 3, 2, - 1, 0 -}, -{ - 255, 253, 249, 239, 220, 191, 156, 119, - 85, 57, 37, 23, 15, 10, 6, 4, - 2, 0 -}, -{ - 255, 253, 251, 246, 237, 223, 203, 179, - 152, 124, 98, 75, 55, 40, 29, 21, - 15, 0 -}, -{ - 255, 254, 253, 247, 220, 162, 106, 67, - 42, 28, 18, 12, 9, 6, 4, 3, - 2, 0 -} -}; - -const opus_uint8 silk_pulses_per_block_BITS_Q5[ 9 ][ 18 ] = { -{ - 31, 57, 107, 160, 205, 205, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255 -}, -{ - 69, 47, 67, 111, 166, 205, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255 -}, -{ - 82, 74, 79, 95, 109, 128, 145, 160, - 173, 205, 205, 205, 224, 255, 255, 224, - 255, 224 -}, -{ - 125, 74, 59, 69, 97, 141, 182, 255, - 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255 -}, -{ - 173, 115, 85, 73, 76, 92, 115, 145, - 173, 205, 224, 224, 255, 255, 255, 255, - 255, 255 -}, -{ - 166, 134, 113, 102, 101, 102, 107, 118, - 125, 138, 145, 155, 166, 182, 192, 192, - 205, 150 -}, -{ - 224, 182, 134, 101, 83, 79, 85, 97, - 120, 145, 173, 205, 224, 255, 255, 255, - 255, 255 -}, -{ - 255, 224, 192, 150, 120, 101, 92, 89, - 93, 102, 118, 134, 160, 182, 192, 224, - 224, 224 -}, -{ - 255, 224, 224, 182, 155, 134, 118, 109, - 104, 102, 106, 111, 118, 131, 145, 160, - 173, 131 -} -}; - -const opus_uint8 silk_rate_levels_iCDF[ 2 ][ 9 ] = -{ -{ - 241, 190, 178, 132, 87, 74, 41, 14, - 0 -}, -{ - 223, 193, 157, 140, 106, 57, 39, 18, - 0 -} -}; - -const opus_uint8 silk_rate_levels_BITS_Q5[ 2 ][ 9 ] = -{ -{ - 131, 74, 141, 79, 80, 138, 95, 104, - 134 -}, -{ - 95, 99, 91, 125, 93, 76, 123, 115, - 123 -} -}; - -const opus_uint8 silk_shell_code_table0[ 152 ] = { - 128, 0, 214, 42, 0, 235, 128, 21, - 0, 244, 184, 72, 11, 0, 248, 214, - 128, 42, 7, 0, 248, 225, 170, 80, - 25, 5, 0, 251, 236, 198, 126, 54, - 18, 3, 0, 250, 238, 211, 159, 82, - 35, 15, 5, 0, 250, 231, 203, 168, - 128, 88, 53, 25, 6, 0, 252, 238, - 216, 185, 148, 108, 71, 40, 18, 4, - 0, 253, 243, 225, 199, 166, 128, 90, - 57, 31, 13, 3, 0, 254, 246, 233, - 212, 183, 147, 109, 73, 44, 23, 10, - 2, 0, 255, 250, 240, 223, 198, 166, - 128, 90, 58, 33, 16, 6, 1, 0, - 255, 251, 244, 231, 210, 181, 146, 110, - 75, 46, 25, 12, 5, 1, 0, 255, - 253, 248, 238, 221, 196, 164, 128, 92, - 60, 35, 18, 8, 3, 1, 0, 255, - 253, 249, 242, 229, 208, 180, 146, 110, - 76, 48, 27, 14, 7, 3, 1, 0 -}; - -const opus_uint8 silk_shell_code_table1[ 152 ] = { - 129, 0, 207, 50, 0, 236, 129, 20, - 0, 245, 185, 72, 10, 0, 249, 213, - 129, 42, 6, 0, 250, 226, 169, 87, - 27, 4, 0, 251, 233, 194, 130, 62, - 20, 4, 0, 250, 236, 207, 160, 99, - 47, 17, 3, 0, 255, 240, 217, 182, - 131, 81, 41, 11, 1, 0, 255, 254, - 233, 201, 159, 107, 61, 20, 2, 1, - 0, 255, 249, 233, 206, 170, 128, 86, - 50, 23, 7, 1, 0, 255, 250, 238, - 217, 186, 148, 108, 70, 39, 18, 6, - 1, 0, 255, 252, 243, 226, 200, 166, - 128, 90, 56, 30, 13, 4, 1, 0, - 255, 252, 245, 231, 209, 180, 146, 110, - 76, 47, 25, 11, 4, 1, 0, 255, - 253, 248, 237, 219, 194, 163, 128, 93, - 62, 37, 19, 8, 3, 1, 0, 255, - 254, 250, 241, 226, 205, 177, 145, 111, - 79, 51, 30, 15, 6, 2, 1, 0 -}; - -const opus_uint8 silk_shell_code_table2[ 152 ] = { - 129, 0, 203, 54, 0, 234, 129, 23, - 0, 245, 184, 73, 10, 0, 250, 215, - 129, 41, 5, 0, 252, 232, 173, 86, - 24, 3, 0, 253, 240, 200, 129, 56, - 15, 2, 0, 253, 244, 217, 164, 94, - 38, 10, 1, 0, 253, 245, 226, 189, - 132, 71, 27, 7, 1, 0, 253, 246, - 231, 203, 159, 105, 56, 23, 6, 1, - 0, 255, 248, 235, 213, 179, 133, 85, - 47, 19, 5, 1, 0, 255, 254, 243, - 221, 194, 159, 117, 70, 37, 12, 2, - 1, 0, 255, 254, 248, 234, 208, 171, - 128, 85, 48, 22, 8, 2, 1, 0, - 255, 254, 250, 240, 220, 189, 149, 107, - 67, 36, 16, 6, 2, 1, 0, 255, - 254, 251, 243, 227, 201, 166, 128, 90, - 55, 29, 13, 5, 2, 1, 0, 255, - 254, 252, 246, 234, 213, 183, 147, 109, - 73, 43, 22, 10, 4, 2, 1, 0 -}; - -const opus_uint8 silk_shell_code_table3[ 152 ] = { - 130, 0, 200, 58, 0, 231, 130, 26, - 0, 244, 184, 76, 12, 0, 249, 214, - 130, 43, 6, 0, 252, 232, 173, 87, - 24, 3, 0, 253, 241, 203, 131, 56, - 14, 2, 0, 254, 246, 221, 167, 94, - 35, 8, 1, 0, 254, 249, 232, 193, - 130, 65, 23, 5, 1, 0, 255, 251, - 239, 211, 162, 99, 45, 15, 4, 1, - 0, 255, 251, 243, 223, 186, 131, 74, - 33, 11, 3, 1, 0, 255, 252, 245, - 230, 202, 158, 105, 57, 24, 8, 2, - 1, 0, 255, 253, 247, 235, 214, 179, - 132, 84, 44, 19, 7, 2, 1, 0, - 255, 254, 250, 240, 223, 196, 159, 112, - 69, 36, 15, 6, 2, 1, 0, 255, - 254, 253, 245, 231, 209, 176, 136, 93, - 55, 27, 11, 3, 2, 1, 0, 255, - 254, 253, 252, 239, 221, 194, 158, 117, - 76, 42, 18, 4, 3, 2, 1, 0 -}; - -const opus_uint8 silk_shell_code_table_offsets[ 17 ] = { - 0, 0, 2, 5, 9, 14, 20, 27, - 35, 44, 54, 65, 77, 90, 104, 119, - 135 -}; - -const opus_uint8 silk_sign_iCDF[ 42 ] = { - 254, 49, 67, 77, 82, 93, 99, - 198, 11, 18, 24, 31, 36, 45, - 255, 46, 66, 78, 87, 94, 104, - 208, 14, 21, 32, 42, 51, 66, - 255, 94, 104, 109, 112, 115, 118, - 248, 53, 69, 80, 88, 95, 102 -}; diff --git a/src/opus-1.1/silk/tuning_parameters.h b/src/opus-1.1/silk/tuning_parameters.h deleted file mode 100644 index e1057bba..00000000 --- a/src/opus-1.1/silk/tuning_parameters.h +++ /dev/null @@ -1,171 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_TUNING_PARAMETERS_H -#define SILK_TUNING_PARAMETERS_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Decay time for bitreservoir */ -#define BITRESERVOIR_DECAY_TIME_MS 500 - -/*******************/ -/* Pitch estimator */ -/*******************/ - -/* Level of noise floor for whitening filter LPC analysis in pitch analysis */ -#define FIND_PITCH_WHITE_NOISE_FRACTION 1e-3f - -/* Bandwidth expansion for whitening filter in pitch analysis */ -#define FIND_PITCH_BANDWIDTH_EXPANSION 0.99f - -/*********************/ -/* Linear prediction */ -/*********************/ - -/* LPC analysis regularization */ -#define FIND_LPC_COND_FAC 1e-5f - -/* LTP analysis defines */ -#define FIND_LTP_COND_FAC 1e-5f -#define LTP_DAMPING 0.05f -#define LTP_SMOOTHING 0.1f - -/* LTP quantization settings */ -#define MU_LTP_QUANT_NB 0.03f -#define MU_LTP_QUANT_MB 0.025f -#define MU_LTP_QUANT_WB 0.02f - -/* Max cumulative LTP gain */ -#define MAX_SUM_LOG_GAIN_DB 250.0f - -/***********************/ -/* High pass filtering */ -/***********************/ - -/* Smoothing parameters for low end of pitch frequency range estimation */ -#define VARIABLE_HP_SMTH_COEF1 0.1f -#define VARIABLE_HP_SMTH_COEF2 0.015f -#define VARIABLE_HP_MAX_DELTA_FREQ 0.4f - -/* Min and max cut-off frequency values (-3 dB points) */ -#define VARIABLE_HP_MIN_CUTOFF_HZ 60 -#define VARIABLE_HP_MAX_CUTOFF_HZ 100 - -/***********/ -/* Various */ -/***********/ - -/* VAD threshold */ -#define SPEECH_ACTIVITY_DTX_THRES 0.05f - -/* Speech Activity LBRR enable threshold */ -#define LBRR_SPEECH_ACTIVITY_THRES 0.3f - -/*************************/ -/* Perceptual parameters */ -/*************************/ - -/* reduction in coding SNR during low speech activity */ -#define BG_SNR_DECR_dB 2.0f - -/* factor for reducing quantization noise during voiced speech */ -#define HARM_SNR_INCR_dB 2.0f - -/* factor for reducing quantization noise for unvoiced sparse signals */ -#define SPARSE_SNR_INCR_dB 2.0f - -/* threshold for sparseness measure above which to use lower quantization offset during unvoiced */ -#define SPARSENESS_THRESHOLD_QNT_OFFSET 0.75f - -/* warping control */ -#define WARPING_MULTIPLIER 0.015f - -/* fraction added to first autocorrelation value */ -#define SHAPE_WHITE_NOISE_FRACTION 5e-5f - -/* noise shaping filter chirp factor */ -#define BANDWIDTH_EXPANSION 0.95f - -/* difference between chirp factors for analysis and synthesis noise shaping filters at low bitrates */ -#define LOW_RATE_BANDWIDTH_EXPANSION_DELTA 0.01f - -/* extra harmonic boosting (signal shaping) at low bitrates */ -#define LOW_RATE_HARMONIC_BOOST 0.1f - -/* extra harmonic boosting (signal shaping) for noisy input signals */ -#define LOW_INPUT_QUALITY_HARMONIC_BOOST 0.1f - -/* harmonic noise shaping */ -#define HARMONIC_SHAPING 0.3f - -/* extra harmonic noise shaping for high bitrates or noisy input */ -#define HIGH_RATE_OR_LOW_QUALITY_HARMONIC_SHAPING 0.2f - -/* parameter for shaping noise towards higher frequencies */ -#define HP_NOISE_COEF 0.25f - -/* parameter for shaping noise even more towards higher frequencies during voiced speech */ -#define HARM_HP_NOISE_COEF 0.35f - -/* parameter for applying a high-pass tilt to the input signal */ -#define INPUT_TILT 0.05f - -/* parameter for extra high-pass tilt to the input signal at high rates */ -#define HIGH_RATE_INPUT_TILT 0.1f - -/* parameter for reducing noise at the very low frequencies */ -#define LOW_FREQ_SHAPING 4.0f - -/* less reduction of noise at the very low frequencies for signals with low SNR at low frequencies */ -#define LOW_QUALITY_LOW_FREQ_SHAPING_DECR 0.5f - -/* subframe smoothing coefficient for HarmBoost, HarmShapeGain, Tilt (lower -> more smoothing) */ -#define SUBFR_SMTH_COEF 0.4f - -/* parameters defining the R/D tradeoff in the residual quantizer */ -#define LAMBDA_OFFSET 1.2f -#define LAMBDA_SPEECH_ACT -0.2f -#define LAMBDA_DELAYED_DECISIONS -0.05f -#define LAMBDA_INPUT_QUALITY -0.1f -#define LAMBDA_CODING_QUALITY -0.2f -#define LAMBDA_QUANT_OFFSET 0.8f - -/* Compensation in bitrate calculations for 10 ms modes */ -#define REDUCE_BITRATE_10_MS_BPS 2200 - -/* Maximum time before allowing a bandwidth transition */ -#define MAX_BANDWIDTH_SWITCH_DELAY_MS 5000 - -#ifdef __cplusplus -} -#endif - -#endif /* SILK_TUNING_PARAMETERS_H */ diff --git a/src/opus-1.1/silk/typedef.h b/src/opus-1.1/silk/typedef.h deleted file mode 100644 index 97b7e709..00000000 --- a/src/opus-1.1/silk/typedef.h +++ /dev/null @@ -1,78 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifndef SILK_TYPEDEF_H -#define SILK_TYPEDEF_H - -#include "opus_types.h" -#include "opus_defines.h" - -#ifndef FIXED_POINT -# include <float.h> -# define silk_float float -# define silk_float_MAX FLT_MAX -#endif - -#define silk_int64_MAX ((opus_int64)0x7FFFFFFFFFFFFFFFLL) /* 2^63 - 1 */ -#define silk_int64_MIN ((opus_int64)0x8000000000000000LL) /* -2^63 */ -#define silk_int32_MAX 0x7FFFFFFF /* 2^31 - 1 = 2147483647 */ -#define silk_int32_MIN ((opus_int32)0x80000000) /* -2^31 = -2147483648 */ -#define silk_int16_MAX 0x7FFF /* 2^15 - 1 = 32767 */ -#define silk_int16_MIN ((opus_int16)0x8000) /* -2^15 = -32768 */ -#define silk_int8_MAX 0x7F /* 2^7 - 1 = 127 */ -#define silk_int8_MIN ((opus_int8)0x80) /* -2^7 = -128 */ -#define silk_uint8_MAX 0xFF /* 2^8 - 1 = 255 */ - -#define silk_TRUE 1 -#define silk_FALSE 0 - -/* assertions */ -#if (defined _WIN32 && !defined _WINCE && !defined(__GNUC__) && !defined(NO_ASSERTS)) -# ifndef silk_assert -# include <crtdbg.h> /* ASSERTE() */ -# define silk_assert(COND) _ASSERTE(COND) -# endif -#else -# ifdef ENABLE_ASSERTIONS -# include <stdio.h> -# include <stdlib.h> -#define silk_fatal(str) _silk_fatal(str, __FILE__, __LINE__); -#ifdef __GNUC__ -__attribute__((noreturn)) -#endif -static OPUS_INLINE void _silk_fatal(const char *str, const char *file, int line) -{ - fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str); - abort(); -} -# define silk_assert(COND) {if (!(COND)) {silk_fatal("assertion failed: " #COND);}} -# else -# define silk_assert(COND) -# endif -#endif - -#endif /* SILK_TYPEDEF_H */ |