| /* |
| * 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. |
| */ |
| |
| #include "pitch_lag_tables.h" |
| #include "settings.h" |
| |
| /* header file for coding tables for the pitch filter side-info in the entropy coder */ |
| /********************* Pitch Filter Gain Coefficient Tables ************************/ |
| |
| /* tables for use with small pitch gain */ |
| |
| /* cdf for quantized pitch filter lags */ |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf1Lo[127] = { |
| 0, 134, 336, 549, 778, 998, 1264, 1512, 1777, 2070, |
| 2423, 2794, 3051, 3361, 3708, 3979, 4315, 4610, 4933, 5269, |
| 5575, 5896, 6155, 6480, 6816, 7129, 7477, 7764, 8061, 8358, |
| 8718, 9020, 9390, 9783, 10177, 10543, 10885, 11342, 11795, 12213, |
| 12680, 13096, 13524, 13919, 14436, 14903, 15349, 15795, 16267, 16734, |
| 17266, 17697, 18130, 18632, 19080, 19447, 19884, 20315, 20735, 21288, |
| 21764, 22264, 22723, 23193, 23680, 24111, 24557, 25022, 25537, 26082, |
| 26543, 27090, 27620, 28139, 28652, 29149, 29634, 30175, 30692, 31273, |
| 31866, 32506, 33059, 33650, 34296, 34955, 35629, 36295, 36967, 37726, |
| 38559, 39458, 40364, 41293, 42256, 43215, 44231, 45253, 46274, 47359, |
| 48482, 49678, 50810, 51853, 53016, 54148, 55235, 56263, 57282, 58363, |
| 59288, 60179, 61076, 61806, 62474, 63129, 63656, 64160, 64533, 64856, |
| 65152, 65535, 65535, 65535, 65535, 65535, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf2Lo[20] = { |
| 0, 429, 3558, 5861, 8558, 11639, 15210, 19502, 24773, 31983, |
| 42602, 48567, 52601, 55676, 58160, 60172, 61889, 63235, 65383, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf3Lo[2] = { |
| 0, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf4Lo[10] = { |
| 0, 2966, 6368, 11182, 19431, 37793, 48532, 55353, 60626, 65535}; |
| |
| const WebRtc_UWord16 *WebRtcIsac_kQPitchLagCdfPtrLo[4] = {WebRtcIsac_kQPitchLagCdf1Lo, WebRtcIsac_kQPitchLagCdf2Lo, WebRtcIsac_kQPitchLagCdf3Lo, WebRtcIsac_kQPitchLagCdf4Lo}; |
| |
| /* size of first cdf table */ |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdfSizeLo[1] = {128}; |
| |
| /* index limits and ranges */ |
| const WebRtc_Word16 WebRtcIsac_kQIndexLowerLimitLagLo[4] = { |
| -140, -9, 0, -4}; |
| |
| const WebRtc_Word16 WebRtcIsac_kQIndexUpperLimitLagLo[4] = { |
| -20, 9, 0, 4}; |
| |
| /* initial index for arithmetic decoder */ |
| const WebRtc_UWord16 WebRtcIsac_kQInitIndexLagLo[3] = { |
| 10, 1, 5}; |
| |
| /* mean values of pitch filter lags */ |
| const double WebRtcIsac_kQMeanLag2Lo[19] = { |
| -17.21385070, -15.82678944, -14.07123081, -12.03003877, -10.01311864, -8.00794627, -5.91162987, -3.89231876, -1.90220980, -0.01879275, |
| 1.89144232, 3.88123171, 5.92146992, 7.96435361, 9.98923648, 11.98266347, 13.96101002, 15.74855713, 17.10976611}; |
| |
| const double WebRtcIsac_kQMeanLag3Lo[1] = { |
| 0.00000000}; |
| |
| const double WebRtcIsac_kQMeanLag4Lo[9] = { |
| -7.76246496, -5.92083980, -3.94095226, -1.89502305, 0.03724681, 1.93054221, 3.96443467, 5.91726366, 7.78434291}; |
| |
| const double WebRtcIsac_kQPitchLagStepsizeLo = 2.000000; |
| |
| |
| /* tables for use with medium pitch gain */ |
| |
| /* cdf for quantized pitch filter lags */ |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf1Mid[255] = { |
| 0, 28, 61, 88, 121, 149, 233, 331, 475, 559, |
| 624, 661, 689, 712, 745, 791, 815, 843, 866, 922, |
| 959, 1024, 1061, 1117, 1178, 1238, 1280, 1350, 1453, 1513, |
| 1564, 1625, 1671, 1741, 1788, 1904, 2072, 2421, 2626, 2770, |
| 2840, 2900, 2942, 3012, 3068, 3115, 3147, 3194, 3254, 3319, |
| 3366, 3520, 3678, 3780, 3850, 3911, 3957, 4032, 4106, 4185, |
| 4292, 4474, 4683, 4842, 5019, 5191, 5321, 5428, 5540, 5675, |
| 5763, 5847, 5959, 6127, 6304, 6564, 6839, 7090, 7263, 7421, |
| 7556, 7728, 7872, 7984, 8142, 8361, 8580, 8743, 8938, 9227, |
| 9409, 9539, 9674, 9795, 9930, 10060, 10177, 10382, 10614, 10861, |
| 11038, 11271, 11415, 11629, 11792, 12044, 12193, 12416, 12574, 12821, |
| 13007, 13235, 13445, 13654, 13901, 14134, 14488, 15000, 15703, 16285, |
| 16504, 16797, 17086, 17328, 17579, 17807, 17998, 18268, 18538, 18836, |
| 19087, 19274, 19474, 19716, 19935, 20270, 20833, 21303, 21532, 21741, |
| 21978, 22207, 22523, 22770, 23054, 23613, 23943, 24204, 24399, 24651, |
| 24832, 25074, 25270, 25549, 25759, 26015, 26150, 26424, 26713, 27048, |
| 27342, 27504, 27681, 27854, 28021, 28207, 28412, 28664, 28859, 29064, |
| 29278, 29548, 29748, 30107, 30377, 30656, 30856, 31164, 31452, 31755, |
| 32011, 32328, 32626, 32919, 33319, 33789, 34329, 34925, 35396, 35973, |
| 36443, 36964, 37551, 38156, 38724, 39357, 40023, 40908, 41587, 42602, |
| 43924, 45037, 45810, 46597, 47421, 48291, 49092, 50051, 51448, 52719, |
| 53440, 54241, 54944, 55977, 56676, 57299, 57872, 58389, 59059, 59688, |
| 60237, 60782, 61094, 61573, 61890, 62290, 62658, 63030, 63217, 63454, |
| 63622, 63882, 64003, 64273, 64427, 64529, 64581, 64697, 64758, 64902, |
| 65414, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, 65535, |
| 65535, 65535, 65535, 65535, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf2Mid[36] = { |
| 0, 71, 335, 581, 836, 1039, 1323, 1795, 2258, 2608, |
| 3005, 3591, 4243, 5344, 7163, 10583, 16848, 28078, 49448, 57007, |
| 60357, 61850, 62837, 63437, 63872, 64188, 64377, 64614, 64774, 64949, |
| 65039, 65115, 65223, 65360, 65474, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf3Mid[2] = { |
| 0, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf4Mid[20] = { |
| 0, 28, 246, 459, 667, 1045, 1523, 2337, 4337, 11347, |
| 44231, 56709, 60781, 62243, 63161, 63969, 64608, 65062, 65502, 65535}; |
| |
| const WebRtc_UWord16 *WebRtcIsac_kQPitchLagCdfPtrMid[4] = {WebRtcIsac_kQPitchLagCdf1Mid, WebRtcIsac_kQPitchLagCdf2Mid, WebRtcIsac_kQPitchLagCdf3Mid, WebRtcIsac_kQPitchLagCdf4Mid}; |
| |
| /* size of first cdf table */ |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdfSizeMid[1] = {256}; |
| |
| /* index limits and ranges */ |
| const WebRtc_Word16 WebRtcIsac_kQIndexLowerLimitLagMid[4] = { |
| -280, -17, 0, -9}; |
| |
| const WebRtc_Word16 WebRtcIsac_kQIndexUpperLimitLagMid[4] = { |
| -40, 17, 0, 9}; |
| |
| /* initial index for arithmetic decoder */ |
| const WebRtc_UWord16 WebRtcIsac_kQInitIndexLagMid[3] = { |
| 18, 1, 10}; |
| |
| /* mean values of pitch filter lags */ |
| const double WebRtcIsac_kQMeanLag2Mid[35] = { |
| -16.89183900, -15.86949778, -15.05476653, -14.00664348, -13.02793036, -12.07324237, -11.00542532, -10.11250602, -8.90792971, -8.02474753, |
| -7.00426767, -5.94055287, -4.98251338, -3.91053158, -2.98820425, -1.93524245, -0.92978085, -0.01722509, 0.91317387, 1.92973955, |
| 2.96908851, 3.93728974, 4.96308471, 5.92244151, 7.08673497, 8.00993708, 9.04656316, 9.98538742, 10.97851694, 11.94772884, |
| 13.02426166, 14.00039951, 15.01347042, 15.80758023, 16.94086895}; |
| |
| const double WebRtcIsac_kQMeanLag3Mid[1] = { |
| 0.00000000}; |
| |
| const double WebRtcIsac_kQMeanLag4Mid[19] = { |
| -8.60409403, -7.89198395, -7.03450280, -5.86260421, -4.93822322, -3.93078706, -2.91302322, -1.91824007, -0.87003282, 0.02822649, |
| 0.89951758, 1.87495484, 2.91802604, 3.96874074, 5.06571703, 5.93618227, 7.00520185, 7.88497726, 8.64160364}; |
| |
| const double WebRtcIsac_kQPitchLagStepsizeMid = 1.000000; |
| |
| |
| /* tables for use with large pitch gain */ |
| |
| /* cdf for quantized pitch filter lags */ |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf1Hi[511] = { |
| 0, 7, 18, 33, 69, 105, 156, 228, 315, 612, |
| 680, 691, 709, 724, 735, 738, 742, 746, 749, 753, |
| 756, 760, 764, 774, 782, 785, 789, 796, 800, 803, |
| 807, 814, 818, 822, 829, 832, 847, 854, 858, 869, |
| 876, 883, 898, 908, 934, 977, 1010, 1050, 1060, 1064, |
| 1075, 1078, 1086, 1089, 1093, 1104, 1111, 1122, 1133, 1136, |
| 1151, 1162, 1183, 1209, 1252, 1281, 1339, 1364, 1386, 1401, |
| 1411, 1415, 1426, 1430, 1433, 1440, 1448, 1455, 1462, 1477, |
| 1487, 1495, 1502, 1506, 1509, 1516, 1524, 1531, 1535, 1542, |
| 1553, 1556, 1578, 1589, 1611, 1625, 1639, 1643, 1654, 1665, |
| 1672, 1687, 1694, 1705, 1708, 1719, 1730, 1744, 1752, 1759, |
| 1791, 1795, 1820, 1867, 1886, 1915, 1936, 1943, 1965, 1987, |
| 2041, 2099, 2161, 2175, 2200, 2211, 2226, 2233, 2244, 2251, |
| 2266, 2280, 2287, 2298, 2309, 2316, 2331, 2342, 2356, 2378, |
| 2403, 2418, 2447, 2497, 2544, 2602, 2863, 2895, 2903, 2935, |
| 2950, 2971, 3004, 3011, 3018, 3029, 3040, 3062, 3087, 3127, |
| 3152, 3170, 3199, 3243, 3293, 3322, 3340, 3377, 3402, 3427, |
| 3474, 3518, 3543, 3579, 3601, 3637, 3659, 3706, 3731, 3760, |
| 3818, 3847, 3869, 3901, 3920, 3952, 4068, 4169, 4220, 4271, |
| 4524, 4571, 4604, 4632, 4672, 4730, 4777, 4806, 4857, 4904, |
| 4951, 5002, 5031, 5060, 5107, 5150, 5212, 5266, 5331, 5382, |
| 5432, 5490, 5544, 5610, 5700, 5762, 5812, 5874, 5972, 6022, |
| 6091, 6163, 6232, 6305, 6402, 6540, 6685, 6880, 7090, 7271, |
| 7379, 7452, 7542, 7625, 7687, 7770, 7843, 7911, 7966, 8024, |
| 8096, 8190, 8252, 8320, 8411, 8501, 8585, 8639, 8751, 8842, |
| 8918, 8986, 9066, 9127, 9203, 9269, 9345, 9406, 9464, 9536, |
| 9612, 9667, 9735, 9844, 9931, 10036, 10119, 10199, 10260, 10358, |
| 10441, 10514, 10666, 10734, 10872, 10951, 11053, 11125, 11223, 11324, |
| 11516, 11664, 11737, 11816, 11892, 12008, 12120, 12200, 12280, 12392, |
| 12490, 12576, 12685, 12812, 12917, 13003, 13108, 13210, 13300, 13384, |
| 13470, 13579, 13673, 13771, 13879, 13999, 14136, 14201, 14368, 14614, |
| 14759, 14867, 14958, 15030, 15121, 15189, 15280, 15385, 15461, 15555, |
| 15653, 15768, 15884, 15971, 16069, 16145, 16210, 16279, 16380, 16463, |
| 16539, 16615, 16688, 16818, 16919, 17017, 18041, 18338, 18523, 18649, |
| 18790, 18917, 19047, 19167, 19315, 19460, 19601, 19731, 19858, 20068, |
| 20173, 20318, 20466, 20625, 20741, 20911, 21045, 21201, 21396, 21588, |
| 21816, 22022, 22305, 22547, 22786, 23072, 23322, 23600, 23879, 24168, |
| 24433, 24769, 25120, 25511, 25895, 26289, 26792, 27219, 27683, 28077, |
| 28566, 29094, 29546, 29977, 30491, 30991, 31573, 32105, 32594, 33173, |
| 33788, 34497, 35181, 35833, 36488, 37255, 37921, 38645, 39275, 39894, |
| 40505, 41167, 41790, 42431, 43096, 43723, 44385, 45134, 45858, 46607, |
| 47349, 48091, 48768, 49405, 49955, 50555, 51167, 51985, 52611, 53078, |
| 53494, 53965, 54435, 54996, 55601, 56125, 56563, 56838, 57244, 57566, |
| 57967, 58297, 58771, 59093, 59419, 59647, 59886, 60143, 60461, 60693, |
| 60917, 61170, 61416, 61634, 61891, 62122, 62310, 62455, 62632, 62839, |
| 63103, 63436, 63639, 63805, 63906, 64015, 64192, 64355, 64475, 64558, |
| 64663, 64742, 64811, 64865, 64916, 64956, 64981, 65025, 65068, 65115, |
| 65195, 65314, 65419, 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}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf2Hi[68] = { |
| 0, 7, 11, 22, 37, 52, 56, 59, 81, 85, |
| 89, 96, 115, 130, 137, 152, 170, 181, 193, 200, |
| 207, 233, 237, 259, 289, 318, 363, 433, 592, 992, |
| 1607, 3062, 6149, 12206, 25522, 48368, 58223, 61918, 63640, 64584, |
| 64943, 65098, 65206, 65268, 65294, 65335, 65350, 65372, 65387, 65402, |
| 65413, 65420, 65428, 65435, 65439, 65450, 65454, 65468, 65472, 65476, |
| 65483, 65491, 65498, 65505, 65516, 65520, 65528, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf3Hi[2] = { |
| 0, 65535}; |
| |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdf4Hi[35] = { |
| 0, 7, 19, 30, 41, 48, 63, 74, 82, 96, |
| 122, 152, 215, 330, 701, 2611, 10931, 48106, 61177, 64341, |
| 65112, 65238, 65309, 65338, 65364, 65379, 65401, 65427, 65453, 65465, |
| 65476, 65490, 65509, 65528, 65535}; |
| |
| const WebRtc_UWord16 *WebRtcIsac_kQPitchLagCdfPtrHi[4] = {WebRtcIsac_kQPitchLagCdf1Hi, WebRtcIsac_kQPitchLagCdf2Hi, WebRtcIsac_kQPitchLagCdf3Hi, WebRtcIsac_kQPitchLagCdf4Hi}; |
| |
| /* size of first cdf table */ |
| const WebRtc_UWord16 WebRtcIsac_kQPitchLagCdfSizeHi[1] = {512}; |
| |
| /* index limits and ranges */ |
| const WebRtc_Word16 WebRtcIsac_kQindexLowerLimitLagHi[4] = { |
| -552, -34, 0, -16}; |
| |
| const WebRtc_Word16 WebRtcIsac_kQindexUpperLimitLagHi[4] = { |
| -80, 32, 0, 17}; |
| |
| /* initial index for arithmetic decoder */ |
| const WebRtc_UWord16 WebRtcIsac_kQInitIndexLagHi[3] = { |
| 34, 1, 18}; |
| |
| /* mean values of pitch filter lags */ |
| const double WebRtcIsac_kQMeanLag2Hi[67] = { |
| -17.07263295, -16.50000000, -15.83966081, -15.55613708, -14.96948007, -14.50000000, -14.00000000, -13.48377986, -13.00000000, -12.50000000, |
| -11.93199636, -11.44530414, -11.04197641, -10.39910301, -10.15202337, -9.51322461, -8.93357741, -8.46456632, -8.10270672, -7.53751847, |
| -6.98686404, -6.50000000, -6.08463150, -5.46872991, -5.00864717, -4.50163760, -4.01382410, -3.43856708, -2.96898001, -2.46554810, |
| -1.96861004, -1.47106701, -0.97197237, -0.46561654, -0.00531409, 0.45767857, 0.96777907, 1.47507903, 1.97740425, 2.46695420, |
| 3.00695774, 3.47167185, 4.02712538, 4.49280007, 5.01087640, 5.48191963, 6.04916550, 6.51511058, 6.97297819, 7.46565499, |
| 8.01489405, 8.39912001, 8.91819757, 9.50000000, 10.11654065, 10.50000000, 11.03712583, 11.50000000, 12.00000000, 12.38964346, |
| 12.89466127, 13.43657881, 13.96013840, 14.46279912, 15.00000000, 15.39412269, 15.96662441}; |
| |
| const double WebRtcIsac_kQMeanLag3Hi[1] = { |
| 0.00000000}; |
| |
| const double WebRtcIsac_kQMeanLag4Hi[34] = { |
| -7.98331221, -7.47988769, -7.03626557, -6.52708003, -6.06982173, -5.51856292, -5.05827033, -4.45909878, -3.99125864, -3.45308135, |
| -3.02328139, -2.47297273, -1.94341995, -1.44699056, -0.93612243, -0.43012406, 0.01120357, 0.44054812, 0.93199883, 1.45669587, |
| 1.97218322, 2.50187419, 2.98748690, 3.49343202, 4.01660147, 4.50984306, 5.01402683, 5.58936797, 5.91787793, 6.59998900, |
| 6.85034315, 7.53503316, 7.87711194, 8.53631648}; |
| |
| const double WebRtcIsac_kQPitchLagStepsizeHi = 0.500000; |
| |
| /* transform matrix */ |
| const double WebRtcIsac_kTransform[4][4] = { |
| {-0.50000000, -0.50000000, -0.50000000, -0.50000000}, |
| { 0.67082039, 0.22360680, -0.22360680, -0.67082039}, |
| { 0.50000000, -0.50000000, -0.50000000, 0.50000000}, |
| { 0.22360680, -0.67082039, 0.67082039, -0.22360680}}; |
| |
| /* transpose transform matrix */ |
| const double WebRtcIsac_kTransformTranspose[4][4] = { |
| {-0.50000000, 0.67082039, 0.50000000, 0.22360680}, |
| {-0.50000000, 0.22360680, -0.50000000, -0.67082039}, |
| {-0.50000000, -0.22360680, -0.50000000, 0.67082039}, |
| {-0.50000000, -0.67082039, 0.50000000, -0.22360680}}; |
| |
