The Tor Browser: comparison media/libopus/silk/tables

--1:000000000000
+:ab4611c360a5
+/***********************************************************************
+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

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comparison: media/libopus/silk/tables_other.c

media/libopus/silk/tables_other.c