1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "pitch_gain_tables.h" 12 13 #include "settings.h" 14 15 /* header file for coding tables for the pitch filter side-info in the entropy coder */ 16 /********************* Pitch Filter Gain Coefficient Tables ************************/ 17 /* cdf for quantized pitch filter gains */ 18 const uint16_t WebRtcIsac_kQPitchGainCdf[255] = { 19 0, 2, 4, 6, 64, 901, 903, 905, 16954, 16956, 20 16961, 17360, 17362, 17364, 17366, 17368, 17370, 17372, 17374, 17411, 21 17514, 17516, 17583, 18790, 18796, 18802, 20760, 20777, 20782, 21722, 22 21724, 21728, 21738, 21740, 21742, 21744, 21746, 21748, 22224, 22227, 23 22230, 23214, 23229, 23239, 25086, 25108, 25120, 26088, 26094, 26098, 24 26175, 26177, 26179, 26181, 26183, 26185, 26484, 26507, 26522, 27705, 25 27731, 27750, 29767, 29799, 29817, 30866, 30883, 30885, 31025, 31029, 26 31031, 31033, 31035, 31037, 31114, 31126, 31134, 32687, 32722, 32767, 27 35718, 35742, 35757, 36943, 36952, 36954, 37115, 37128, 37130, 37132, 28 37134, 37136, 37143, 37145, 37152, 38843, 38863, 38897, 47458, 47467, 29 47474, 49040, 49061, 49063, 49145, 49157, 49159, 49161, 49163, 49165, 30 49167, 49169, 49171, 49757, 49770, 49782, 61333, 61344, 61346, 62860, 31 62883, 62885, 62887, 62889, 62891, 62893, 62895, 62897, 62899, 62901, 32 62903, 62905, 62907, 62909, 65496, 65498, 65500, 65521, 65523, 65525, 33 65527, 65529, 65531, 65533, 65535, 65535, 65535, 65535, 65535, 65535, 34 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 35 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 36 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 37 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 38 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 39 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 40 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 41 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 42 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 43 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 44 65535, 65535, 65535, 65535, 65535}; 45 46 /* index limits and ranges */ 47 const int16_t WebRtcIsac_kIndexLowerLimitGain[3] = { 48 -7, -2, -1}; 49 50 const int16_t WebRtcIsac_kIndexUpperLimitGain[3] = { 51 0, 3, 1}; 52 53 const uint16_t WebRtcIsac_kIndexMultsGain[2] = { 54 18, 3}; 55 56 /* size of cdf table */ 57 const uint16_t WebRtcIsac_kQCdfTableSizeGain[1] = { 58 256}; 59 60 ///////////////////////////FIXED POINT 61 /* mean values of pitch filter gains in FIXED point */ 62 const int16_t WebRtcIsac_kQMeanGain1Q12[144] = { 63 843, 1092, 1336, 1222, 1405, 1656, 1500, 1815, 1843, 1838, 1839, 1843, 1843, 1843, 1843, 1843, 64 1843, 1843, 814, 846, 1092, 1013, 1174, 1383, 1391, 1511, 1584, 1734, 1753, 1843, 1843, 1843, 65 1843, 1843, 1843, 1843, 524, 689, 777, 845, 947, 1069, 1090, 1263, 1380, 1447, 1559, 1676, 66 1645, 1749, 1843, 1843, 1843, 1843, 81, 477, 563, 611, 706, 806, 849, 1012, 1192, 1128, 67 1330, 1489, 1425, 1576, 1826, 1741, 1843, 1843, 0, 290, 305, 356, 488, 575, 602, 741, 68 890, 835, 1079, 1196, 1182, 1376, 1519, 1506, 1680, 1843, 0, 47, 97, 69, 289, 381, 69 385, 474, 617, 664, 803, 1079, 935, 1160, 1269, 1265, 1506, 1741, 0, 0, 0, 0, 70 112, 120, 190, 283, 442, 343, 526, 809, 684, 935, 1134, 1020, 1265, 1506, 0, 0, 71 0, 0, 0, 0, 0, 111, 256, 87, 373, 597, 430, 684, 935, 770, 1020, 1265}; 72 73 const int16_t WebRtcIsac_kQMeanGain2Q12[144] = { 74 1760, 1525, 1285, 1747, 1671, 1393, 1843, 1826, 1555, 1843, 1784, 1606, 1843, 1843, 1711, 1843, 75 1843, 1814, 1389, 1275, 1040, 1564, 1414, 1252, 1610, 1495, 1343, 1753, 1592, 1405, 1804, 1720, 76 1475, 1843, 1814, 1581, 1208, 1061, 856, 1349, 1148, 994, 1390, 1253, 1111, 1495, 1343, 1178, 77 1770, 1465, 1234, 1814, 1581, 1342, 1040, 793, 713, 1053, 895, 737, 1128, 1003, 861, 1277, 78 1094, 981, 1475, 1192, 1019, 1581, 1342, 1098, 855, 570, 483, 833, 648, 540, 948, 744, 79 572, 1009, 844, 636, 1234, 934, 685, 1342, 1217, 984, 537, 318, 124, 603, 423, 350, 80 687, 479, 322, 791, 581, 430, 987, 671, 488, 1098, 849, 597, 283, 27, 0, 397, 81 222, 38, 513, 271, 124, 624, 325, 157, 737, 484, 233, 849, 597, 343, 27, 0, 82 0, 141, 0, 0, 256, 69, 0, 370, 87, 0, 484, 229, 0, 597, 343, 87}; 83 84 const int16_t WebRtcIsac_kQMeanGain3Q12[144] = { 85 1843, 1843, 1711, 1843, 1818, 1606, 1843, 1827, 1511, 1814, 1639, 1393, 1760, 1525, 1285, 1656, 86 1419, 1176, 1835, 1718, 1475, 1841, 1650, 1387, 1648, 1498, 1287, 1600, 1411, 1176, 1522, 1299, 87 1040, 1419, 1176, 928, 1773, 1461, 1128, 1532, 1355, 1202, 1429, 1260, 1115, 1398, 1151, 1025, 88 1172, 1080, 790, 1176, 928, 677, 1475, 1147, 1019, 1276, 1096, 922, 1214, 1010, 901, 1057, 89 893, 800, 1040, 796, 734, 928, 677, 424, 1137, 897, 753, 1120, 830, 710, 875, 751, 90 601, 795, 642, 583, 790, 544, 475, 677, 474, 140, 987, 750, 482, 697, 573, 450, 91 691, 487, 303, 661, 394, 332, 537, 303, 220, 424, 168, 0, 737, 484, 229, 624, 92 348, 153, 441, 261, 136, 397, 166, 51, 283, 27, 0, 168, 0, 0, 484, 229, 93 0, 370, 57, 0, 256, 43, 0, 141, 0, 0, 27, 0, 0, 0, 0, 0}; 94 95 96 const int16_t WebRtcIsac_kQMeanGain4Q12[144] = { 97 1843, 1843, 1843, 1843, 1841, 1843, 1500, 1821, 1843, 1222, 1434, 1656, 843, 1092, 1336, 504, 98 757, 1007, 1843, 1843, 1843, 1838, 1791, 1843, 1265, 1505, 1599, 965, 1219, 1425, 730, 821, 99 1092, 249, 504, 757, 1783, 1819, 1843, 1351, 1567, 1727, 1096, 1268, 1409, 805, 961, 1131, 100 444, 670, 843, 0, 249, 504, 1425, 1655, 1743, 1096, 1324, 1448, 822, 1019, 1199, 490, 101 704, 867, 81, 450, 555, 0, 0, 249, 1247, 1428, 1530, 881, 1073, 1283, 610, 759, 102 939, 278, 464, 645, 0, 200, 270, 0, 0, 0, 935, 1163, 1410, 528, 790, 1068, 103 377, 499, 717, 173, 240, 274, 0, 43, 62, 0, 0, 0, 684, 935, 1182, 343, 104 551, 735, 161, 262, 423, 0, 55, 27, 0, 0, 0, 0, 0, 0, 430, 684, 105 935, 87, 377, 597, 0, 46, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0}; 106
