| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| /* |
| * pitch_gain_tables.c |
| * |
| * This file contains tables for the pitch filter side-info in the entropy coder. |
| * |
| */ |
| |
| #include "modules/audio_coding/codecs/isac/fix/source/pitch_gain_tables.h" |
| |
| |
| /********************* Pitch Filter Gain Coefficient Tables ************************/ |
| |
| /* cdf for quantized pitch filter gains */ |
| const uint16_t WebRtcIsacfix_kPitchGainCdf[255] = { |
| 0, 2, 4, 6, 64, 901, 903, 905, 16954, 16956, |
| 16961, 17360, 17362, 17364, 17366, 17368, 17370, 17372, 17374, 17411, |
| 17514, 17516, 17583, 18790, 18796, 18802, 20760, 20777, 20782, 21722, |
| 21724, 21728, 21738, 21740, 21742, 21744, 21746, 21748, 22224, 22227, |
| 22230, 23214, 23229, 23239, 25086, 25108, 25120, 26088, 26094, 26098, |
| 26175, 26177, 26179, 26181, 26183, 26185, 26484, 26507, 26522, 27705, |
| 27731, 27750, 29767, 29799, 29817, 30866, 30883, 30885, 31025, 31029, |
| 31031, 31033, 31035, 31037, 31114, 31126, 31134, 32687, 32722, 32767, |
| 35718, 35742, 35757, 36943, 36952, 36954, 37115, 37128, 37130, 37132, |
| 37134, 37136, 37143, 37145, 37152, 38843, 38863, 38897, 47458, 47467, |
| 47474, 49040, 49061, 49063, 49145, 49157, 49159, 49161, 49163, 49165, |
| 49167, 49169, 49171, 49757, 49770, 49782, 61333, 61344, 61346, 62860, |
| 62883, 62885, 62887, 62889, 62891, 62893, 62895, 62897, 62899, 62901, |
| 62903, 62905, 62907, 62909, 65496, 65498, 65500, 65521, 65523, 65525, |
| 65527, 65529, 65531, 65533, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535 |
| }; |
| |
| /* index limits and ranges */ |
| const int16_t WebRtcIsacfix_kLowerlimiGain[3] = { |
| -7, -2, -1 |
| }; |
| |
| const int16_t WebRtcIsacfix_kUpperlimitGain[3] = { |
| 0, 3, 1 |
| }; |
| |
| const uint16_t WebRtcIsacfix_kMultsGain[2] = { |
| 18, 3 |
| }; |
| |
| /* size of cdf table */ |
| const uint16_t WebRtcIsacfix_kCdfTableSizeGain[1] = { |
| 256 |
| }; |
| |
| /* mean values of pitch filter gains in FIXED point Q12 */ |
| const int16_t WebRtcIsacfix_kPitchGain1[144] = { |
| 843, 1092, 1336, 1222, 1405, 1656, 1500, 1815, 1843, 1838, 1839, |
| 1843, 1843, 1843, 1843, 1843, 1843, 1843, 814, 846, 1092, 1013, |
| 1174, 1383, 1391, 1511, 1584, 1734, 1753, 1843, 1843, 1843, 1843, |
| 1843, 1843, 1843, 524, 689, 777, 845, 947, 1069, 1090, 1263, |
| 1380, 1447, 1559, 1676, 1645, 1749, 1843, 1843, 1843, 1843, 81, |
| 477, 563, 611, 706, 806, 849, 1012, 1192, 1128, 1330, 1489, |
| 1425, 1576, 1826, 1741, 1843, 1843, 0, 290, 305, 356, 488, |
| 575, 602, 741, 890, 835, 1079, 1196, 1182, 1376, 1519, 1506, |
| 1680, 1843, 0, 47, 97, 69, 289, 381, 385, 474, 617, |
| 664, 803, 1079, 935, 1160, 1269, 1265, 1506, 1741, 0, 0, |
| 0, 0, 112, 120, 190, 283, 442, 343, 526, 809, 684, |
| 935, 1134, 1020, 1265, 1506, 0, 0, 0, 0, 0, 0, |
| 0, 111, 256, 87, 373, 597, 430, 684, 935, 770, 1020, |
| 1265 |
| }; |
| |
| const int16_t WebRtcIsacfix_kPitchGain2[144] = { |
| 1760, 1525, 1285, 1747, 1671, 1393, 1843, 1826, 1555, 1843, 1784, |
| 1606, 1843, 1843, 1711, 1843, 1843, 1814, 1389, 1275, 1040, 1564, |
| 1414, 1252, 1610, 1495, 1343, 1753, 1592, 1405, 1804, 1720, 1475, |
| 1843, 1814, 1581, 1208, 1061, 856, 1349, 1148, 994, 1390, 1253, |
| 1111, 1495, 1343, 1178, 1770, 1465, 1234, 1814, 1581, 1342, 1040, |
| 793, 713, 1053, 895, 737, 1128, 1003, 861, 1277, 1094, 981, |
| 1475, 1192, 1019, 1581, 1342, 1098, 855, 570, 483, 833, 648, |
| 540, 948, 744, 572, 1009, 844, 636, 1234, 934, 685, 1342, |
| 1217, 984, 537, 318, 124, 603, 423, 350, 687, 479, 322, |
| 791, 581, 430, 987, 671, 488, 1098, 849, 597, 283, 27, |
| 0, 397, 222, 38, 513, 271, 124, 624, 325, 157, 737, |
| 484, 233, 849, 597, 343, 27, 0, 0, 141, 0, 0, |
| 256, 69, 0, 370, 87, 0, 484, 229, 0, 597, 343, |
| 87 |
| }; |
| |
| const int16_t WebRtcIsacfix_kPitchGain3[144] = { |
| 1843, 1843, 1711, 1843, 1818, 1606, 1843, 1827, 1511, 1814, 1639, |
| 1393, 1760, 1525, 1285, 1656, 1419, 1176, 1835, 1718, 1475, 1841, |
| 1650, 1387, 1648, 1498, 1287, 1600, 1411, 1176, 1522, 1299, 1040, |
| 1419, 1176, 928, 1773, 1461, 1128, 1532, 1355, 1202, 1429, 1260, |
| 1115, 1398, 1151, 1025, 1172, 1080, 790, 1176, 928, 677, 1475, |
| 1147, 1019, 1276, 1096, 922, 1214, 1010, 901, 1057, 893, 800, |
| 1040, 796, 734, 928, 677, 424, 1137, 897, 753, 1120, 830, |
| 710, 875, 751, 601, 795, 642, 583, 790, 544, 475, 677, |
| 474, 140, 987, 750, 482, 697, 573, 450, 691, 487, 303, |
| 661, 394, 332, 537, 303, 220, 424, 168, 0, 737, 484, |
| 229, 624, 348, 153, 441, 261, 136, 397, 166, 51, 283, |
| 27, 0, 168, 0, 0, 484, 229, 0, 370, 57, 0, |
| 256, 43, 0, 141, 0, 0, 27, 0, 0, 0, 0, |
| 0 |
| }; |
| |
| |
| const int16_t WebRtcIsacfix_kPitchGain4[144] = { |
| 1843, 1843, 1843, 1843, 1841, 1843, 1500, 1821, 1843, 1222, 1434, |
| 1656, 843, 1092, 1336, 504, 757, 1007, 1843, 1843, 1843, 1838, |
| 1791, 1843, 1265, 1505, 1599, 965, 1219, 1425, 730, 821, 1092, |
| 249, 504, 757, 1783, 1819, 1843, 1351, 1567, 1727, 1096, 1268, |
| 1409, 805, 961, 1131, 444, 670, 843, 0, 249, 504, 1425, |
| 1655, 1743, 1096, 1324, 1448, 822, 1019, 1199, 490, 704, 867, |
| 81, 450, 555, 0, 0, 249, 1247, 1428, 1530, 881, 1073, |
| 1283, 610, 759, 939, 278, 464, 645, 0, 200, 270, 0, |
| 0, 0, 935, 1163, 1410, 528, 790, 1068, 377, 499, 717, |
| 173, 240, 274, 0, 43, 62, 0, 0, 0, 684, 935, |
| 1182, 343, 551, 735, 161, 262, 423, 0, 55, 27, 0, |
| 0, 0, 0, 0, 0, 430, 684, 935, 87, 377, 597, |
| 0, 46, 256, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0 |
| }; |
| |
| |
| |
| /* transform matrix in Q12*/ |
| const int16_t WebRtcIsacfix_kTransform[4][4] = { |
| { -2048, -2048, -2048, -2048 }, |
| { 2748, 916, -916, -2748 }, |
| { 2048, -2048, -2048, 2048 }, |
| { 916, -2748, 2748, -916 } |
| }; |
