From 35064811c0ac104acddd7777e00bfd9e054c2db6 Mon Sep 17 00:00:00 2001 From: hairball Date: Sat, 8 Feb 2014 03:21:02 +0000 Subject: Upgrade opus 1.0.2 -> 1.1 --- src/opus-1.0.2/silk/structs.h | 324 ------------------------------------------ 1 file changed, 324 deletions(-) delete mode 100644 src/opus-1.0.2/silk/structs.h (limited to 'src/opus-1.0.2/silk/structs.h') diff --git a/src/opus-1.0.2/silk/structs.h b/src/opus-1.0.2/silk/structs.h deleted file mode 100644 index 5d37f660..00000000 --- a/src/opus-1.0.2/silk/structs.h +++ /dev/null @@ -1,324 +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_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 ]; - - /* 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 -- cgit