FreeCalypso > hg > themwi-system-sw
view mgw/g711_decode.c @ 103:3b3f07b112f3
mgw: implement GSM to PSTN forwarding
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 26 Sep 2022 20:46:19 -0800 |
parents | f280328e7e2e |
children | e80f158333c5 |
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/* * This module contains decoding tables for G.711 PCMU and PCMA, * lifted from the source from libgsm companion 'toast' utility. */ #include <stdint.h> uint16_t pcmu_decode_table[256] = { 33280, 34308, 35336, 36364, 37393, 38421, 39449, 40477, 41505, 42534, 43562, 44590, 45618, 46647, 47675, 48703, 49474, 49988, 50503, 51017, 51531, 52045, 52559, 53073, 53587, 54101, 54616, 55130, 55644, 56158, 56672, 57186, 57572, 57829, 58086, 58343, 58600, 58857, 59114, 59371, 59628, 59885, 60142, 60399, 60656, 60913, 61171, 61428, 61620, 61749, 61877, 62006, 62134, 62263, 62392, 62520, 62649, 62777, 62906, 63034, 63163, 63291, 63420, 63548, 63645, 63709, 63773, 63838, 63902, 63966, 64030, 64095, 64159, 64223, 64287, 64352, 64416, 64480, 64544, 64609, 64657, 64689, 64721, 64753, 64785, 64818, 64850, 64882, 64914, 64946, 64978, 65010, 65042, 65075, 65107, 65139, 65163, 65179, 65195, 65211, 65227, 65243, 65259, 65275, 65291, 65308, 65324, 65340, 65356, 65372, 65388, 65404, 65416, 65424, 65432, 65440, 65448, 65456, 65464, 65472, 65480, 65488, 65496, 65504, 65512, 65520, 65528, 0, 32256, 31228, 30200, 29172, 28143, 27115, 26087, 25059, 24031, 23002, 21974, 20946, 19918, 18889, 17861, 16833, 16062, 15548, 15033, 14519, 14005, 13491, 12977, 12463, 11949, 11435, 10920, 10406, 9892, 9378, 8864, 8350, 7964, 7707, 7450, 7193, 6936, 6679, 6422, 6165, 5908, 5651, 5394, 5137, 4880, 4623, 4365, 4108, 3916, 3787, 3659, 3530, 3402, 3273, 3144, 3016, 2887, 2759, 2630, 2502, 2373, 2245, 2116, 1988, 1891, 1827, 1763, 1698, 1634, 1570, 1506, 1441, 1377, 1313, 1249, 1184, 1120, 1056, 992, 927, 879, 847, 815, 783, 751, 718, 686, 654, 622, 590, 558, 526, 494, 461, 429, 397, 373, 357, 341, 325, 309, 293, 277, 261, 245, 228, 212, 196, 180, 164, 148, 132, 120, 112, 104, 96, 88, 80, 72, 64, 56, 48, 40, 32, 24, 16, 8, 0 }; uint16_t pcma_decode_table[256] = { 60032, 60288, 59520, 59776, 61056, 61312, 60544, 60800, 57984, 58240, 57472, 57728, 59008, 59264, 58496, 58752, 62784, 62912, 62528, 62656, 63296, 63424, 63040, 63168, 61760, 61888, 61504, 61632, 62272, 62400, 62016, 62144, 43520, 44544, 41472, 42496, 47616, 48640, 45568, 46592, 35328, 36352, 33280, 34304, 39424, 40448, 37376, 38400, 54528, 55040, 53504, 54016, 56576, 57088, 55552, 56064, 50432, 50944, 49408, 49920, 52480, 52992, 51456, 51968, 65192, 65208, 65160, 65176, 65256, 65272, 65224, 65240, 65064, 65080, 65032, 65048, 65128, 65144, 65096, 65112, 65448, 65464, 65416, 65432, 65512, 65528, 65480, 65496, 65320, 65336, 65288, 65304, 65384, 65400, 65352, 65368, 64160, 64224, 64032, 64096, 64416, 64480, 64288, 64352, 63648, 63712, 63520, 63584, 63904, 63968, 63776, 63840, 64848, 64880, 64784, 64816, 64976, 65008, 64912, 64944, 64592, 64624, 64528, 64560, 64720, 64752, 64656, 64688, 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736, 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784, 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368, 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392, 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944, 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136, 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472, 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568, 344, 328, 376, 360, 280, 264, 312, 296, 472, 456, 504, 488, 408, 392, 440, 424, 88, 72, 120, 104, 24, 8, 56, 40, 216, 200, 248, 232, 152, 136, 184, 168, 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184, 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696, 688, 656, 752, 720, 560, 528, 624, 592, 944, 912, 1008, 976, 816, 784, 880, 848 };