/* * gsm 06.10 decoder data * Copyright (c) 2010 Reimar Döffinger * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "gsmdec_data.h" const uint16_t ff_gsm_long_term_gain_tab[4] = { 3277, 11469, 21299, 32767 }; const uint8_t ff_gsm_requant_tab[4][8] = { { 0 }, { 0, 7 }, { 0, 2, 5, 7 }, { 0, 1, 2, 3, 4, 5, 6, 7 } }; const int16_t ff_gsm_dequant_tab[64][8] = { { -28, -20, -12, -4, 4, 12, 20, 28}, { -56, -40, -24, -8, 8, 24, 40, 56}, { -84, -60, -36, -12, 12, 36, 60, 84}, { -112, -80, -48, -16, 16, 48, 80, 112}, { -140, -100, -60, -20, 20, 60, 100, 140}, { -168, -120, -72, -24, 24, 72, 120, 168}, { -196, -140, -84, -28, 28, 84, 140, 196}, { -224, -160, -96, -32, 32, 96, 160, 224}, { -252, -180, -108, -36, 36, 108, 180, 252}, { -280, -200, -120, -40, 40, 120, 200, 280}, { -308, -220, -132, -44, 44, 132, 220, 308}, { -336, -240, -144, -48, 48, 144, 240, 336}, { -364, -260, -156, -52, 52, 156, 260, 364}, { -392, -280, -168, -56, 56, 168, 280, 392}, { -420, -300, -180, -60, 60, 180, 300, 420}, { -448, -320, -192, -64, 64, 192, 320, 448}, { -504, -360, -216, -72, 72, 216, 360, 504}, { -560, -400, -240, -80, 80, 240, 400, 560}, { -616, -440, -264, -88, 88, 264, 440, 616}, { -672, -480, -288, -96, 96, 288, 480, 672}, { -728, -520, -312, -104, 104, 312, 520, 728}, { -784, -560, -336, -112, 112, 336, 560, 784}, { -840, -600, -360, -120, 120, 360, 600, 840}, { -896, -640, -384, -128, 128, 384, 640, 896}, { -1008, -720, -432, -144, 144, 432, 720, 1008}, { -1120, -800, -480, -160, 160, 480, 800, 1120}, { -1232, -880, -528, -176, 176, 528, 880, 1232}, { -1344, -960, -576, -192, 192, 576, 960, 1344}, { -1456, -1040, -624, -208, 208, 624, 1040, 1456}, { -1568, -1120, -672, -224, 224, 672, 1120, 1568}, { -1680, -1200, -720, -240, 240, 720, 1200, 1680}, { -1792, -1280, -768, -256, 256, 768, 1280, 1792}, { -2016, -1440, -864, -288, 288, 864, 1440, 2016}, { -2240, -1600, -960, -320, 320, 960, 1600, 2240}, { -2464, -1760, -1056, -352, 352, 1056, 1760, 2464}, { -2688, -1920, -1152, -384, 384, 1152, 1920, 2688}, { -2912, -2080, -1248, -416, 416, 1248, 2080, 2912}, { -3136, -2240, -1344, -448, 448, 1344, 2240, 3136}, { -3360, -2400, -1440, -480, 480, 1440, 2400, 3360}, { -3584, -2560, -1536, -512, 512, 1536, 2560, 3584}, { -4032, -2880, -1728, -576, 576, 1728, 2880, 4032}, { -4480, -3200, -1920, -640, 640, 1920, 3200, 4480}, { -4928, -3520, -2112, -704, 704, 2112, 3520, 4928}, { -5376, -3840, -2304, -768, 768, 2304, 3840, 5376}, { -5824, -4160, -2496, -832, 832, 2496, 4160, 5824}, { -6272, -4480, -2688, -896, 896, 2688, 4480, 6272}, { -6720, -4800, -2880, -960, 960, 2880, 4800, 6720}, { -7168, -5120, -3072, -1024, 1024, 3072, 5120, 7168}, { -8063, -5759, -3456, -1152, 1152, 3456, 5760, 8064}, { -8959, -6399, -3840, -1280, 1280, 3840, 6400, 8960}, { -9855, -7039, -4224, -1408, 1408, 4224, 7040, 9856}, {-10751, -7679, -4608, -1536, 1536, 4608, 7680, 10752}, {-11647, -8319, -4992, -1664, 1664, 4992, 8320, 11648}, {-12543, -8959, -5376, -1792, 1792, 5376, 8960, 12544}, {-13439, -9599, -5760, -1920, 1920, 5760, 9600, 13440}, {-14335, -10239, -6144, -2048, 2048, 6144, 10240, 14336}, {-16127, -11519, -6912, -2304, 2304, 6912, 11519, 16127}, {-17919, -12799, -7680, -2560, 2560, 7680, 12799, 17919}, {-19711, -14079, -8448, -2816, 2816, 8448, 14079, 19711}, {-21503, -15359, -9216, -3072, 3072, 9216, 15359, 21503}, {-23295, -16639, -9984, -3328, 3328, 9984, 16639, 23295}, {-25087, -17919, -10752, -3584, 3584, 10752, 17919, 25087}, {-26879, -19199, -11520, -3840, 3840, 11520, 19199, 26879}, {-28671, -20479, -12288, -4096, 4096, 12288, 20479, 28671} }; static const int apcm_bits[11][13] = { { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, { 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1 }, { 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1 }, { 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1 }, { 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1 }, { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, { 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, { 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, { 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, { 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 } }; const int* const ff_gsm_apcm_bits[][4] = { { apcm_bits[10], apcm_bits[10], apcm_bits[10], apcm_bits[10] }, // 13000 { apcm_bits[10], apcm_bits[10], apcm_bits[10], apcm_bits[ 6] }, // 12400 { apcm_bits[10], apcm_bits[10], apcm_bits[ 7], apcm_bits[ 5] }, // 11800 { apcm_bits[10], apcm_bits[ 8], apcm_bits[ 5], apcm_bits[ 5] }, // 11200 { apcm_bits[ 9], apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 5] }, // 10600 { apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 1] }, // 10000 { apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 2], apcm_bits[ 0] }, // 9400 { apcm_bits[ 5], apcm_bits[ 3], apcm_bits[ 0], apcm_bits[ 0] }, // 8800 { apcm_bits[ 4], apcm_bits[ 0], apcm_bits[ 0], apcm_bits[ 0] }, // 8200 };