| Index: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/tables_other.c
|
| diff --git a/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/tables_other.c b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/tables_other.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..398686bf26b947f0b640bd64aadd4cee04f9a1d4
|
| --- /dev/null
|
| +++ b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/tables_other.c
|
| @@ -0,0 +1,138 @@
|
| +/***********************************************************************
|
| +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
|
| +
|
|
|