| 1 | /* |
| 2 | * gsm 06.10 decoder data |
| 3 | * Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de> |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include <stdint.h> |
| 23 | #include "gsmdec_data.h" |
| 24 | |
| 25 | const uint16_t ff_gsm_long_term_gain_tab[4] = { |
| 26 | 3277, 11469, 21299, 32767 |
| 27 | }; |
| 28 | |
| 29 | const int16_t ff_gsm_dequant_tab[64][8] = { |
| 30 | { -28, -20, -12, -4, 4, 12, 20, 28}, |
| 31 | { -56, -40, -24, -8, 8, 24, 40, 56}, |
| 32 | { -84, -60, -36, -12, 12, 36, 60, 84}, |
| 33 | { -112, -80, -48, -16, 16, 48, 80, 112}, |
| 34 | { -140, -100, -60, -20, 20, 60, 100, 140}, |
| 35 | { -168, -120, -72, -24, 24, 72, 120, 168}, |
| 36 | { -196, -140, -84, -28, 28, 84, 140, 196}, |
| 37 | { -224, -160, -96, -32, 32, 96, 160, 224}, |
| 38 | { -252, -180, -108, -36, 36, 108, 180, 252}, |
| 39 | { -280, -200, -120, -40, 40, 120, 200, 280}, |
| 40 | { -308, -220, -132, -44, 44, 132, 220, 308}, |
| 41 | { -336, -240, -144, -48, 48, 144, 240, 336}, |
| 42 | { -364, -260, -156, -52, 52, 156, 260, 364}, |
| 43 | { -392, -280, -168, -56, 56, 168, 280, 392}, |
| 44 | { -420, -300, -180, -60, 60, 180, 300, 420}, |
| 45 | { -448, -320, -192, -64, 64, 192, 320, 448}, |
| 46 | { -504, -360, -216, -72, 72, 216, 360, 504}, |
| 47 | { -560, -400, -240, -80, 80, 240, 400, 560}, |
| 48 | { -616, -440, -264, -88, 88, 264, 440, 616}, |
| 49 | { -672, -480, -288, -96, 96, 288, 480, 672}, |
| 50 | { -728, -520, -312, -104, 104, 312, 520, 728}, |
| 51 | { -784, -560, -336, -112, 112, 336, 560, 784}, |
| 52 | { -840, -600, -360, -120, 120, 360, 600, 840}, |
| 53 | { -896, -640, -384, -128, 128, 384, 640, 896}, |
| 54 | { -1008, -720, -432, -144, 144, 432, 720, 1008}, |
| 55 | { -1120, -800, -480, -160, 160, 480, 800, 1120}, |
| 56 | { -1232, -880, -528, -176, 176, 528, 880, 1232}, |
| 57 | { -1344, -960, -576, -192, 192, 576, 960, 1344}, |
| 58 | { -1456, -1040, -624, -208, 208, 624, 1040, 1456}, |
| 59 | { -1568, -1120, -672, -224, 224, 672, 1120, 1568}, |
| 60 | { -1680, -1200, -720, -240, 240, 720, 1200, 1680}, |
| 61 | { -1792, -1280, -768, -256, 256, 768, 1280, 1792}, |
| 62 | { -2016, -1440, -864, -288, 288, 864, 1440, 2016}, |
| 63 | { -2240, -1600, -960, -320, 320, 960, 1600, 2240}, |
| 64 | { -2464, -1760, -1056, -352, 352, 1056, 1760, 2464}, |
| 65 | { -2688, -1920, -1152, -384, 384, 1152, 1920, 2688}, |
| 66 | { -2912, -2080, -1248, -416, 416, 1248, 2080, 2912}, |
| 67 | { -3136, -2240, -1344, -448, 448, 1344, 2240, 3136}, |
| 68 | { -3360, -2400, -1440, -480, 480, 1440, 2400, 3360}, |
| 69 | { -3584, -2560, -1536, -512, 512, 1536, 2560, 3584}, |
| 70 | { -4032, -2880, -1728, -576, 576, 1728, 2880, 4032}, |
| 71 | { -4480, -3200, -1920, -640, 640, 1920, 3200, 4480}, |
| 72 | { -4928, -3520, -2112, -704, 704, 2112, 3520, 4928}, |
| 73 | { -5376, -3840, -2304, -768, 768, 2304, 3840, 5376}, |
| 74 | { -5824, -4160, -2496, -832, 832, 2496, 4160, 5824}, |
| 75 | { -6272, -4480, -2688, -896, 896, 2688, 4480, 6272}, |
| 76 | { -6720, -4800, -2880, -960, 960, 2880, 4800, 6720}, |
| 77 | { -7168, -5120, -3072, -1024, 1024, 3072, 5120, 7168}, |
| 78 | { -8063, -5759, -3456, -1152, 1152, 3456, 5760, 8064}, |
| 79 | { -8959, -6399, -3840, -1280, 1280, 3840, 6400, 8960}, |
| 80 | { -9855, -7039, -4224, -1408, 1408, 4224, 7040, 9856}, |
| 81 | {-10751, -7679, -4608, -1536, 1536, 4608, 7680, 10752}, |
| 82 | {-11647, -8319, -4992, -1664, 1664, 4992, 8320, 11648}, |
| 83 | {-12543, -8959, -5376, -1792, 1792, 5376, 8960, 12544}, |
| 84 | {-13439, -9599, -5760, -1920, 1920, 5760, 9600, 13440}, |
| 85 | {-14335, -10239, -6144, -2048, 2048, 6144, 10240, 14336}, |
| 86 | {-16127, -11519, -6912, -2304, 2304, 6912, 11519, 16127}, |
| 87 | {-17919, -12799, -7680, -2560, 2560, 7680, 12799, 17919}, |
| 88 | {-19711, -14079, -8448, -2816, 2816, 8448, 14079, 19711}, |
| 89 | {-21503, -15359, -9216, -3072, 3072, 9216, 15359, 21503}, |
| 90 | {-23295, -16639, -9984, -3328, 3328, 9984, 16639, 23295}, |
| 91 | {-25087, -17919, -10752, -3584, 3584, 10752, 17919, 25087}, |
| 92 | {-26879, -19199, -11520, -3840, 3840, 11520, 19199, 26879}, |
| 93 | {-28671, -20479, -12288, -4096, 4096, 12288, 20479, 28671} |
| 94 | }; |
| 95 | |
| 96 | static const int apcm_bits[11][13] = { |
| 97 | { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, |
| 98 | { 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1 }, |
| 99 | { 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1 }, |
| 100 | { 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1 }, |
| 101 | { 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1 }, |
| 102 | { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, |
| 103 | { 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, |
| 104 | { 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, |
| 105 | { 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, |
| 106 | { 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, |
| 107 | { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 } |
| 108 | }; |
| 109 | |
| 110 | const int* const ff_gsm_apcm_bits[][4] = { |
| 111 | { apcm_bits[10], apcm_bits[10], apcm_bits[10], apcm_bits[10] }, // 13000 |
| 112 | { apcm_bits[10], apcm_bits[10], apcm_bits[10], apcm_bits[ 6] }, // 12400 |
| 113 | { apcm_bits[10], apcm_bits[10], apcm_bits[ 7], apcm_bits[ 5] }, // 11800 |
| 114 | { apcm_bits[10], apcm_bits[ 8], apcm_bits[ 5], apcm_bits[ 5] }, // 11200 |
| 115 | { apcm_bits[ 9], apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 5] }, // 10600 |
| 116 | { apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 1] }, // 10000 |
| 117 | { apcm_bits[ 5], apcm_bits[ 5], apcm_bits[ 2], apcm_bits[ 0] }, // 9400 |
| 118 | { apcm_bits[ 5], apcm_bits[ 3], apcm_bits[ 0], apcm_bits[ 0] }, // 8800 |
| 119 | { apcm_bits[ 4], apcm_bits[ 0], apcm_bits[ 0], apcm_bits[ 0] }, // 8200 |
| 120 | }; |