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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 | }; |