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mgw: correct PCMU decoding table
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 May 2023 21:43:02 -0800
parents f280328e7e2e
children
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208:f0b90591f67c 209:e80f158333c5
1 /* 1 /*
2 * This module contains decoding tables for G.711 PCMU and PCMA, 2 * This module contains decoding tables for G.711 PCMU and PCMA; these tables
3 * lifted from the source from libgsm companion 'toast' utility. 3 * were originally lifted from the source for libgsm companion 'toast' utility,
4 * but the PCMU decoding table has now been replaced with a corrected version
5 * generated in Themyscira gsm-codec-lib project.
4 */ 6 */
5 7
6 #include <stdint.h> 8 #include <stdint.h>
7 9
8 uint16_t pcmu_decode_table[256] = { 10 uint16_t pcmu_decode_table[256] = {
9 33280, 34308, 35336, 36364, 37393, 38421, 39449, 40477, 11 33412, 34436, 35460, 36484, 37508, 38532, 39556, 40580,
10 41505, 42534, 43562, 44590, 45618, 46647, 47675, 48703, 12 41604, 42628, 43652, 44676, 45700, 46724, 47748, 48772,
11 49474, 49988, 50503, 51017, 51531, 52045, 52559, 53073, 13 49540, 50052, 50564, 51076, 51588, 52100, 52612, 53124,
12 53587, 54101, 54616, 55130, 55644, 56158, 56672, 57186, 14 53636, 54148, 54660, 55172, 55684, 56196, 56708, 57220,
13 57572, 57829, 58086, 58343, 58600, 58857, 59114, 59371, 15 57604, 57860, 58116, 58372, 58628, 58884, 59140, 59396,
14 59628, 59885, 60142, 60399, 60656, 60913, 61171, 61428, 16 59652, 59908, 60164, 60420, 60676, 60932, 61188, 61444,
15 61620, 61749, 61877, 62006, 62134, 62263, 62392, 62520, 17 61636, 61764, 61892, 62020, 62148, 62276, 62404, 62532,
16 62649, 62777, 62906, 63034, 63163, 63291, 63420, 63548, 18 62660, 62788, 62916, 63044, 63172, 63300, 63428, 63556,
17 63645, 63709, 63773, 63838, 63902, 63966, 64030, 64095, 19 63652, 63716, 63780, 63844, 63908, 63972, 64036, 64100,
18 64159, 64223, 64287, 64352, 64416, 64480, 64544, 64609, 20 64164, 64228, 64292, 64356, 64420, 64484, 64548, 64612,
19 64657, 64689, 64721, 64753, 64785, 64818, 64850, 64882, 21 64660, 64692, 64724, 64756, 64788, 64820, 64852, 64884,
20 64914, 64946, 64978, 65010, 65042, 65075, 65107, 65139, 22 64916, 64948, 64980, 65012, 65044, 65076, 65108, 65140,
21 65163, 65179, 65195, 65211, 65227, 65243, 65259, 65275, 23 65164, 65180, 65196, 65212, 65228, 65244, 65260, 65276,
22 65291, 65308, 65324, 65340, 65356, 65372, 65388, 65404, 24 65292, 65308, 65324, 65340, 65356, 65372, 65388, 65404,
23 65416, 65424, 65432, 65440, 65448, 65456, 65464, 65472, 25 65416, 65424, 65432, 65440, 65448, 65456, 65464, 65472,
24 65480, 65488, 65496, 65504, 65512, 65520, 65528, 0, 26 65480, 65488, 65496, 65504, 65512, 65520, 65528, 0,
25 32256, 31228, 30200, 29172, 28143, 27115, 26087, 25059, 27 32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
26 24031, 23002, 21974, 20946, 19918, 18889, 17861, 16833, 28 23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
27 16062, 15548, 15033, 14519, 14005, 13491, 12977, 12463, 29 15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
28 11949, 11435, 10920, 10406, 9892, 9378, 8864, 8350, 30 11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
29 7964, 7707, 7450, 7193, 6936, 6679, 6422, 6165, 31 7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
30 5908, 5651, 5394, 5137, 4880, 4623, 4365, 4108, 32 5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
31 3916, 3787, 3659, 3530, 3402, 3273, 3144, 3016, 33 3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
32 2887, 2759, 2630, 2502, 2373, 2245, 2116, 1988, 34 2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
33 1891, 1827, 1763, 1698, 1634, 1570, 1506, 1441, 35 1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
34 1377, 1313, 1249, 1184, 1120, 1056, 992, 927, 36 1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
35 879, 847, 815, 783, 751, 718, 686, 654, 37 876, 844, 812, 780, 748, 716, 684, 652,
36 622, 590, 558, 526, 494, 461, 429, 397, 38 620, 588, 556, 524, 492, 460, 428, 396,
37 373, 357, 341, 325, 309, 293, 277, 261, 39 372, 356, 340, 324, 308, 292, 276, 260,
38 245, 228, 212, 196, 180, 164, 148, 132, 40 244, 228, 212, 196, 180, 164, 148, 132,
39 120, 112, 104, 96, 88, 80, 72, 64, 41 120, 112, 104, 96, 88, 80, 72, 64,
40 56, 48, 40, 32, 24, 16, 8, 0 42 56, 48, 40, 32, 24, 16, 8, 0
41 }; 43 };
42 44
43 uint16_t pcma_decode_table[256] = { 45 uint16_t pcma_decode_table[256] = {
44 60032, 60288, 59520, 59776, 61056, 61312, 60544, 60800, 46 60032, 60288, 59520, 59776, 61056, 61312, 60544, 60800,
45 57984, 58240, 57472, 57728, 59008, 59264, 58496, 58752, 47 57984, 58240, 57472, 57728, 59008, 59264, 58496, 58752,
46 62784, 62912, 62528, 62656, 63296, 63424, 63040, 63168, 48 62784, 62912, 62528, 62656, 63296, 63424, 63040, 63168,
47 61760, 61888, 61504, 61632, 62272, 62400, 62016, 62144, 49 61760, 61888, 61504, 61632, 62272, 62400, 62016, 62144,
48 43520, 44544, 41472, 42496, 47616, 48640, 45568, 46592, 50 43520, 44544, 41472, 42496, 47616, 48640, 45568, 46592,
49 35328, 36352, 33280, 34304, 39424, 40448, 37376, 38400, 51 35328, 36352, 33280, 34304, 39424, 40448, 37376, 38400,
50 54528, 55040, 53504, 54016, 56576, 57088, 55552, 56064, 52 54528, 55040, 53504, 54016, 56576, 57088, 55552, 56064,
51 50432, 50944, 49408, 49920, 52480, 52992, 51456, 51968, 53 50432, 50944, 49408, 49920, 52480, 52992, 51456, 51968,
52 65192, 65208, 65160, 65176, 65256, 65272, 65224, 65240, 54 65192, 65208, 65160, 65176, 65256, 65272, 65224, 65240,
53 65064, 65080, 65032, 65048, 65128, 65144, 65096, 65112, 55 65064, 65080, 65032, 65048, 65128, 65144, 65096, 65112,
54 65448, 65464, 65416, 65432, 65512, 65528, 65480, 65496, 56 65448, 65464, 65416, 65432, 65512, 65528, 65480, 65496,
55 65320, 65336, 65288, 65304, 65384, 65400, 65352, 65368, 57 65320, 65336, 65288, 65304, 65384, 65400, 65352, 65368,
56 64160, 64224, 64032, 64096, 64416, 64480, 64288, 64352, 58 64160, 64224, 64032, 64096, 64416, 64480, 64288, 64352,
57 63648, 63712, 63520, 63584, 63904, 63968, 63776, 63840, 59 63648, 63712, 63520, 63584, 63904, 63968, 63776, 63840,
58 64848, 64880, 64784, 64816, 64976, 65008, 64912, 64944, 60 64848, 64880, 64784, 64816, 64976, 65008, 64912, 64944,
59 64592, 64624, 64528, 64560, 64720, 64752, 64656, 64688, 61 64592, 64624, 64528, 64560, 64720, 64752, 64656, 64688,
60 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736, 62 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736,
61 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784, 63 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784,
62 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368, 64 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368,
63 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392, 65 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392,
64 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944, 66 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
65 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136, 67 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
66 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472, 68 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472,
67 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568, 69 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
68 344, 328, 376, 360, 280, 264, 312, 296, 70 344, 328, 376, 360, 280, 264, 312, 296,
69 472, 456, 504, 488, 408, 392, 440, 424, 71 472, 456, 504, 488, 408, 392, 440, 424,
70 88, 72, 120, 104, 24, 8, 56, 40, 72 88, 72, 120, 104, 24, 8, 56, 40,
71 216, 200, 248, 232, 152, 136, 184, 168, 73 216, 200, 248, 232, 152, 136, 184, 168,
72 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184, 74 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184,
73 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696, 75 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696,
74 688, 656, 752, 720, 560, 528, 624, 592, 76 688, 656, 752, 720, 560, 528, 624, 592,
75 944, 912, 1008, 976, 816, 784, 880, 848 77 944, 912, 1008, 976, 816, 784, 880, 848
76 }; 78 };