Upgrade opus 1.0.2 -> 1.1

1 files changed, 0 insertions, 141 deletions

diff --git a/src/opus-1.0.2/silk/gain_quant.c b/src/opus-1.0.2/silk/gain_quant.c
deleted file mode 100644
index b2f73735..00000000
--- a/src/opus-1.0.2/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;
-}