1 /* 2 * data for G.729, G729 Annex D decoders 3 * Copyright (c) 2007 Vladimir Voroshilov 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #ifndef AVCODEC_G729DATA_H 23 #define AVCODEC_G729DATA_H 24 25 #include <stdint.h> 26 27 #define MA_NP 4 ///< Moving Average (MA) prediction order 28 29 #define VQ_1ST_BITS 7 ///< first stage vector of quantizer (size in bits) 30 #define VQ_2ND_BITS 5 ///< second stage vector of quantizer (size in bits) 31 32 #define GC_1ST_IDX_BITS_8K 3 ///< gain codebook (first stage) index, 8k mode (size in bits) 33 #define GC_2ND_IDX_BITS_8K 4 ///< gain codebook (second stage) index, 8k mode (size in bits) 34 35 #define GC_1ST_IDX_BITS_6K4 3 ///< gain codebook (first stage) index, 6.4k mode (size in bits) 36 #define GC_2ND_IDX_BITS_6K4 3 ///< gain codebook (second stage) index, 6.4k mode (size in bits) 37 38 /** 39 * first stage LSP codebook 40 * (10-dimensional, with 128 entries (3.24 of G.729) 41 */ 42 static const int16_t cb_lsp_1st[1<<VQ_1ST_BITS][10] = { /* (2.13) */ 43 { 1486, 2168, 3751, 9074, 12134, 13944, 17983, 19173, 21190, 21820}, 44 { 1730, 2640, 3450, 4870, 6126, 7876, 15644, 17817, 20294, 21902}, 45 { 1568, 2256, 3088, 4874, 11063, 13393, 18307, 19293, 21109, 21741}, 46 { 1733, 2512, 3357, 4708, 6977, 10296, 17024, 17956, 19145, 20350}, 47 { 1744, 2436, 3308, 8731, 10432, 12007, 15614, 16639, 21359, 21913}, 48 { 1786, 2369, 3372, 4521, 6795, 12963, 17674, 18988, 20855, 21640}, 49 { 1631, 2433, 3361, 6328, 10709, 12013, 13277, 13904, 19441, 21088}, 50 { 1489, 2364, 3291, 6250, 9227, 10403, 13843, 15278, 17721, 21451}, 51 { 1869, 2533, 3475, 4365, 9152, 14513, 15908, 17022, 20611, 21411}, 52 { 2070, 3025, 4333, 5854, 7805, 9231, 10597, 16047, 20109, 21834}, 53 { 1910, 2673, 3419, 4261, 11168, 15111, 16577, 17591, 19310, 20265}, 54 { 1141, 1815, 2624, 4623, 6495, 9588, 13968, 16428, 19351, 21286}, 55 { 2192, 3171, 4707, 5808, 10904, 12500, 14162, 15664, 21124, 21789}, 56 { 1286, 1907, 2548, 3453, 9574, 11964, 15978, 17344, 19691, 22495}, 57 { 1921, 2720, 4604, 6684, 11503, 12992, 14350, 15262, 16997, 20791}, 58 { 2052, 2759, 3897, 5246, 6638, 10267, 15834, 16814, 18149, 21675}, 59 { 1798, 2497, 5617, 11449, 13189, 14711, 17050, 18195, 20307, 21182}, 60 { 1009, 1647, 2889, 5709, 9541, 12354, 15231, 18494, 20966, 22033}, 61 { 3016, 3794, 5406, 7469, 12488, 13984, 15328, 16334, 19952, 20791}, 62 { 2203, 3040, 3796, 5442, 11987, 13512, 14931, 16370, 17856, 18803}, 63 { 2912, 4292, 7988, 9572, 11562, 13244, 14556, 16529, 20004, 21073}, 64 { 2861, 3607, 5923, 7034, 9234, 12054, 13729, 18056, 20262, 20974}, 65 { 3069, 4311, 5967, 7367, 11482, 12699, 14309, 16233, 18333, 19172}, 66 { 2434, 3661, 4866, 5798, 10383, 11722, 13049, 15668, 18862, 19831}, 67 { 2020, 2605, 3860, 9241, 13275, 14644, 16010, 17099, 19268, 20251}, 68 { 1877, 2809, 3590, 4707, 11056, 12441, 15622, 17168, 18761, 19907}, 69 { 2107, 2873, 3673, 5799, 13579, 14687, 15938, 17077, 18890, 19831}, 70 { 1612, 2284, 2944, 3572, 8219, 13959, 15924, 17239, 18592, 20117}, 71 { 2420, 3156, 6542, 10215, 12061, 13534, 15305, 16452, 18717, 19880}, 72 { 1667, 2612, 3534, 5237, 10513, 11696, 12940, 16798, 18058, 19378}, 73 { 2388, 3017, 4839, 9333, 11413, 12730, 15024, 16248, 17449, 18677}, 74 { 1875, 2786, 4231, 6320, 8694, 10149, 11785, 17013, 18608, 19960}, 75 { 679, 1411, 4654, 8006, 11446, 13249, 15763, 18127, 20361, 21567}, 76 { 1838, 2596, 3578, 4608, 5650, 11274, 14355, 15886, 20579, 21754}, 77 { 1303, 1955, 2395, 3322, 12023, 13764, 15883, 18077, 20180, 21232}, 78 { 1438, 2102, 2663, 3462, 8328, 10362, 13763, 17248, 19732, 22344}, 79 { 860, 1904, 6098, 7775, 9815, 12007, 14821, 16709, 19787, 21132}, 80 { 1673, 2723, 3704, 6125, 7668, 9447, 13683, 14443, 20538, 21731}, 81 { 1246, 1849, 2902, 4508, 7221, 12710, 14835, 16314, 19335, 22720}, 82 { 1525, 2260, 3862, 5659, 7342, 11748, 13370, 14442, 18044, 21334}, 83 { 1196, 1846, 3104, 7063, 10972, 12905, 14814, 17037, 19922, 22636}, 84 { 2147, 3106, 4475, 6511, 8227, 9765, 10984, 12161, 18971, 21300}, 85 { 1585, 2405, 2994, 4036, 11481, 13177, 14519, 15431, 19967, 21275}, 86 { 1778, 2688, 3614, 4680, 9465, 11064, 12473, 16320, 19742, 20800}, 87 { 1862, 2586, 3492, 6719, 11708, 13012, 14364, 16128, 19610, 20425}, 88 { 1395, 2156, 2669, 3386, 10607, 12125, 13614, 16705, 18976, 21367}, 89 { 1444, 2117, 3286, 6233, 9423, 12981, 14998, 15853, 17188, 21857}, 90 { 2004, 2895, 3783, 4897, 6168, 7297, 12609, 16445, 19297, 21465}, 91 { 1495, 2863, 6360, 8100, 11399, 14271, 15902, 17711, 20479, 22061}, 92 { 2484, 3114, 5718, 7097, 8400, 12616, 14073, 14847, 20535, 21396}, 93 { 2424, 3277, 5296, 6284, 11290, 12903, 16022, 17508, 19333, 20283}, 94 { 2565, 3778, 5360, 6989, 8782, 10428, 14390, 15742, 17770, 21734}, 95 { 2727, 3384, 6613, 9254, 10542, 12236, 14651, 15687, 20074, 21102}, 96 { 1916, 2953, 6274, 8088, 9710, 10925, 12392, 16434, 20010, 21183}, 97 { 3384, 4366, 5349, 7667, 11180, 12605, 13921, 15324, 19901, 20754}, 98 { 3075, 4283, 5951, 7619, 9604, 11010, 12384, 14006, 20658, 21497}, 99 { 1751, 2455, 5147, 9966, 11621, 13176, 14739, 16470, 20788, 21756}, 100 { 1442, 2188, 3330, 6813, 8929, 12135, 14476, 15306, 19635, 20544}, 101 { 2294, 2895, 4070, 8035, 12233, 13416, 14762, 17367, 18952, 19688}, 102 { 1937, 2659, 4602, 6697, 9071, 12863, 14197, 15230, 16047, 18877}, 103 { 2071, 2663, 4216, 9445, 10887, 12292, 13949, 14909, 19236, 20341}, 104 { 1740, 2491, 3488, 8138, 9656, 11153, 13206, 14688, 20896, 21907}, 105 { 2199, 2881, 4675, 8527, 10051, 11408, 14435, 15463, 17190, 20597}, 106 { 1943, 2988, 4177, 6039, 7478, 8536, 14181, 15551, 17622, 21579}, 107 { 1825, 3175, 7062, 9818, 12824, 15450, 18330, 19856, 21830, 22412}, 108 { 2464, 3046, 4822, 5977, 7696, 15398, 16730, 17646, 20588, 21320}, 109 { 2550, 3393, 5305, 6920, 10235, 14083, 18143, 19195, 20681, 21336}, 110 { 3003, 3799, 5321, 6437, 7919, 11643, 15810, 16846, 18119, 18980}, 111 { 3455, 4157, 6838, 8199, 9877, 12314, 15905, 16826, 19949, 20892}, 112 { 3052, 3769, 4891, 5810, 6977, 10126, 14788, 15990, 19773, 20904}, 113 { 3671, 4356, 5827, 6997, 8460, 12084, 14154, 14939, 19247, 20423}, 114 { 2716, 3684, 5246, 6686, 8463, 10001, 12394, 14131, 16150, 19776}, 115 { 1945, 2638, 4130, 7995, 14338, 15576, 17057, 18206, 20225, 20997}, 116 { 2304, 2928, 4122, 4824, 5640, 13139, 15825, 16938, 20108, 21054}, 117 { 1800, 2516, 3350, 5219, 13406, 15948, 17618, 18540, 20531, 21252}, 118 { 1436, 2224, 2753, 4546, 9657, 11245, 15177, 16317, 17489, 19135}, 119 { 2319, 2899, 4980, 6936, 8404, 13489, 15554, 16281, 20270, 20911}, 120 { 2187, 2919, 4610, 5875, 7390, 12556, 14033, 16794, 20998, 21769}, 121 { 2235, 2923, 5121, 6259, 8099, 13589, 15340, 16340, 17927, 20159}, 122 { 1765, 2638, 3751, 5730, 7883, 10108, 13633, 15419, 16808, 18574}, 123 { 3460, 5741, 9596, 11742, 14413, 16080, 18173, 19090, 20845, 21601}, 124 { 3735, 4426, 6199, 7363, 9250, 14489, 16035, 17026, 19873, 20876}, 125 { 3521, 4778, 6887, 8680, 12717, 14322, 15950, 18050, 20166, 21145}, 126 { 2141, 2968, 6865, 8051, 10010, 13159, 14813, 15861, 17528, 18655}, 127 { 4148, 6128, 9028, 10871, 12686, 14005, 15976, 17208, 19587, 20595}, 128 { 4403, 5367, 6634, 8371, 10163, 11599, 14963, 16331, 17982, 18768}, 129 { 4091, 5386, 6852, 8770, 11563, 13290, 15728, 16930, 19056, 20102}, 130 { 2746, 3625, 5299, 7504, 10262, 11432, 13172, 15490, 16875, 17514}, 131 { 2248, 3556, 8539, 10590, 12665, 14696, 16515, 17824, 20268, 21247}, 132 { 1279, 1960, 3920, 7793, 10153, 14753, 16646, 18139, 20679, 21466}, 133 { 2440, 3475, 6737, 8654, 12190, 14588, 17119, 17925, 19110, 19979}, 134 { 1879, 2514, 4497, 7572, 10017, 14948, 16141, 16897, 18397, 19376}, 135 { 2804, 3688, 7490, 10086, 11218, 12711, 16307, 17470, 20077, 21126}, 136 { 2023, 2682, 3873, 8268, 10255, 11645, 15187, 17102, 18965, 19788}, 137 { 2823, 3605, 5815, 8595, 10085, 11469, 16568, 17462, 18754, 19876}, 138 { 2851, 3681, 5280, 7648, 9173, 10338, 14961, 16148, 17559, 18474}, 139 { 1348, 2645, 5826, 8785, 10620, 12831, 16255, 18319, 21133, 22586}, 140 { 2141, 3036, 4293, 6082, 7593, 10629, 17158, 18033, 21466, 22084}, 141 { 1608, 2375, 3384, 6878, 9970, 11227, 16928, 17650, 20185, 21120}, 142 { 2774, 3616, 5014, 6557, 7788, 8959, 17068, 18302, 19537, 20542}, 143 { 1934, 4813, 6204, 7212, 8979, 11665, 15989, 17811, 20426, 21703}, 144 { 2288, 3507, 5037, 6841, 8278, 9638, 15066, 16481, 21653, 22214}, 145 { 2951, 3771, 4878, 7578, 9016, 10298, 14490, 15242, 20223, 20990}, 146 { 3256, 4791, 6601, 7521, 8644, 9707, 13398, 16078, 19102, 20249}, 147 { 1827, 2614, 3486, 6039, 12149, 13823, 16191, 17282, 21423, 22041}, 148 { 1000, 1704, 3002, 6335, 8471, 10500, 14878, 16979, 20026, 22427}, 149 { 1646, 2286, 3109, 7245, 11493, 12791, 16824, 17667, 18981, 20222}, 150 { 1708, 2501, 3315, 6737, 8729, 9924, 16089, 17097, 18374, 19917}, 151 { 2623, 3510, 4478, 5645, 9862, 11115, 15219, 18067, 19583, 20382}, 152 { 2518, 3434, 4728, 6388, 8082, 9285, 13162, 18383, 19819, 20552}, 153 { 1726, 2383, 4090, 6303, 7805, 12845, 14612, 17608, 19269, 20181}, 154 { 2860, 3735, 4838, 6044, 7254, 8402, 14031, 16381, 18037, 19410}, 155 { 4247, 5993, 7952, 9792, 12342, 14653, 17527, 18774, 20831, 21699}, 156 { 3502, 4051, 5680, 6805, 8146, 11945, 16649, 17444, 20390, 21564}, 157 { 3151, 4893, 5899, 7198, 11418, 13073, 15124, 17673, 20520, 21861}, 158 { 3960, 4848, 5926, 7259, 8811, 10529, 15661, 16560, 18196, 20183}, 159 { 4499, 6604, 8036, 9251, 10804, 12627, 15880, 17512, 20020, 21046}, 160 { 4251, 5541, 6654, 8318, 9900, 11686, 15100, 17093, 20572, 21687}, 161 { 3769, 5327, 7865, 9360, 10684, 11818, 13660, 15366, 18733, 19882}, 162 { 3083, 3969, 6248, 8121, 9798, 10994, 12393, 13686, 17888, 19105}, 163 { 2731, 4670, 7063, 9201, 11346, 13735, 16875, 18797, 20787, 22360}, 164 { 1187, 2227, 4737, 7214, 9622, 12633, 15404, 17968, 20262, 23533}, 165 { 1911, 2477, 3915, 10098, 11616, 12955, 16223, 17138, 19270, 20729}, 166 { 1764, 2519, 3887, 6944, 9150, 12590, 16258, 16984, 17924, 18435}, 167 { 1400, 3674, 7131, 8718, 10688, 12508, 15708, 17711, 19720, 21068}, 168 { 2322, 3073, 4287, 8108, 9407, 10628, 15862, 16693, 19714, 21474}, 169 { 2630, 3339, 4758, 8360, 10274, 11333, 12880, 17374, 19221, 19936}, 170 { 1721, 2577, 5553, 7195, 8651, 10686, 15069, 16953, 18703, 19929} 171 }; 172 173 /** 174 * second stage LSP codebook, high and low parts 175 (both 5-dimensional, with 32 entries (3.2.4 of G.729) 176 */ 177 static const int16_t cb_lsp_2nd[1<<VQ_2ND_BITS][10] = { /* (2.13) */ 178 { -435, -815, -742, 1033, -518, 582, -1201, 829, 86, 385}, 179 { -833, -891, 463, -8, -1251, 1450, 72, -231, 864, 661}, 180 {-1021, 231, -306, 321, -220, -163, -526, -754, -1633, 267}, 181 { 57, -198, -339, -33, -1468, 573, 796, -169, -631, 816}, 182 { 171, -350, 294, 1660, 453, 519, 291, 159, -640, -1296}, 183 { -701, -842, -58, 950, 892, 1549, 715, 527, -714, -193}, 184 { 584, 31, -289, 356, -333, -457, 612, -283, -1381, -741}, 185 { -109, -808, 231, 77, -87, -344, 1341, 1087, -654, -569}, 186 { -859, 1236, 550, 854, 714, -543, -1752, -195, -98, -276}, 187 { -877, -954, -1248, -299, 212, -235, -728, 949, 1517, 895}, 188 { -77, 344, -620, 763, 413, 502, -362, -960, -483, 1386}, 189 { -314, -307, -256, -1260, -429, 450, -466, -108, 1010, 2223}, 190 { 711, 693, 521, 650, 1305, -28, -378, 744, -1005, 240}, 191 { -112, -271, -500, 946, 1733, 271, -15, 909, -259, 1688}, 192 { 575, -10, -468, -199, 1101, -1011, 581, -53, -747, 878}, 193 { 145, -285, -1280, -398, 36, -498, -1377, 18, -444, 1483}, 194 {-1133, -835, 1350, 1284, -95, 1015, -222, 443, 372, -354}, 195 {-1459, -1237, 416, -213, 466, 669, 659, 1640, 932, 534}, 196 { -15, 66, 468, 1019, -748, 1385, -182, -907, -721, -262}, 197 { -338, 148, 1445, 75, -760, 569, 1247, 337, 416, -121}, 198 { 389, 239, 1568, 981, 113, 369, -1003, -507, -587, -904}, 199 { -312, -98, 949, 31, 1104, 72, -141, 1465, 63, -785}, 200 { 1127, 584, 835, 277, -1159, 208, 301, -882, 117, -404}, 201 { 539, -114, 856, -493, 223, -912, 623, -76, 276, -440}, 202 { 2197, 2337, 1268, 670, 304, -267, -525, 140, 882, -139}, 203 {-1596, 550, 801, -456, -56, -697, 865, 1060, 413, 446}, 204 { 1154, 593, -77, 1237, -31, 581, -1037, -895, 669, 297}, 205 { 397, 558, 203, -797, -919, 3, 692, -292, 1050, 782}, 206 { 334, 1475, 632, -80, 48, -1061, -484, 362, -597, -852}, 207 { -545, -330, -429, -680, 1133, -1182, -744, 1340, 262, 63}, 208 { 1320, 827, -398, -576, 341, -774, -483, -1247, -70, 98}, 209 { -163, 674, -11, -886, 531, -1125, -265, -242, 724, 934} 210 }; 211 212 /** 213 * gain codebook (first stage), 8k mode (3.9.2 of G.729) 214 */ 215 static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] = { /*(0.14) (2.13) */ 216 { 3242 , 9949 }, 217 { 1551 , 2425 }, 218 { 2678 , 27162 }, 219 { 1921 , 9291 }, 220 { 1831 , 5022 }, 221 { 1 , 1516 }, 222 { 356 , 14756 }, 223 { 57 , 5404 }, 224 }; 225 226 /** 227 * gain codebook (second stage), 8k mode (3.9.2 of G.729) 228 */ 229 static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] = { /*(1.14) (1.13) */ 230 { 5142 , 592 }, 231 { 17299 , 1861 }, 232 { 6160 , 2395 }, 233 { 16112 , 3392 }, 234 { 826 , 2005 }, 235 { 18973 , 5935 }, 236 { 1994 , 0 }, 237 { 15434 , 237 }, 238 { 10573 , 2966 }, 239 { 15132 , 4914 }, 240 { 11569 , 1196 }, 241 { 14194 , 1630 }, 242 { 8091 , 4861 }, 243 { 15161 , 14276 }, 244 { 9120 , 525 }, 245 { 13260 , 3256 }, 246 }; 247 248 /** 249 * gain codebook (first stage), 6.4k mode (D.3.9.2 of G.729) 250 */ 251 static const int16_t cb_gain_1st_6k4[1<<GC_1ST_IDX_BITS_6K4][2] = 252 { /*(0.14) (1.14)*/ 253 { 5849, 0 }, 254 { 3171, 9280 }, 255 { 3617, 6747 }, 256 { 4987, 22294 }, 257 { 2929, 1078 }, 258 { 6068, 6093 }, 259 { 9425, 2731 }, 260 { 3915, 12872 }, 261 }; 262 263 /** 264 * gain codebook (second stage), 6.4k mode (D.3.9.2 of G.729) 265 */ 266 static const int16_t cb_gain_2nd_6k4[1<<GC_2ND_IDX_BITS_6K4][2] = 267 { /*(1.14) (1.14)*/ 268 { 0, 4175 }, 269 {10828, 27602 }, 270 {16423, 15724 }, 271 { 4478, 7324 }, 272 { 3988, 0 }, 273 {10291, 11385 }, 274 {11956, 10735 }, 275 { 7876, 7821 }, 276 }; 277 278 /** 279 * 4th order Moving Average (MA) Predictor codebook (3.2.4 of G.729) 280 * 281 * float cb_ma_predictor_float[2][MA_NP][10] = { 282 * { 283 * {0.2570, 0.2780, 0.2800, 0.2736, 0.2757, 0.2764, 0.2675, 0.2678, 0.2779, 0.2647}, 284 * {0.2142, 0.2194, 0.2331, 0.2230, 0.2272, 0.2252, 0.2148, 0.2123, 0.2115, 0.2096}, 285 * {0.1670, 0.1523, 0.1567, 0.1580, 0.1601, 0.1569, 0.1589, 0.1555, 0.1474, 0.1571}, 286 * {0.1238, 0.0925, 0.0798, 0.0923, 0.0890, 0.0828, 0.1010, 0.0988, 0.0872, 0.1060}, 287 * }, 288 * { 289 * {0.2360, 0.2405, 0.2499, 0.2495, 0.2517, 0.2591, 0.2636, 0.2625, 0.2551, 0.2310}, 290 * {0.1285, 0.0925, 0.0779, 0.1060, 0.1183, 0.1176, 0.1277, 0.1268, 0.1193, 0.1211}, 291 * {0.0981, 0.0589, 0.0401, 0.0654, 0.0761, 0.0728, 0.0841, 0.0826, 0.0776, 0.0891}, 292 * {0.0923, 0.0486, 0.0287, 0.0498, 0.0526, 0.0482, 0.0621, 0.0636, 0.0584, 0.0794}, 293 * }, 294 * }; 295 * 15 296 * cb_ma_predictor[j][k][i] = floor( 2 * cb_ma_predictor_float[j][k][i] ) 297 * 298 * j=0..1, i=0..9, k=0..MA_NP-1 299 */ 300 static const int16_t cb_ma_predictor[2][MA_NP][10] = { /* (0.15) */ 301 { 302 { 8421, 9109, 9175, 8965, 9034, 9057, 8765, 8775, 9106, 8673}, 303 { 7018, 7189, 7638, 7307, 7444, 7379, 7038, 6956, 6930, 6868}, 304 { 5472, 4990, 5134, 5177, 5246, 5141, 5206, 5095, 4830, 5147}, 305 { 4056, 3031, 2614, 3024, 2916, 2713, 3309, 3237, 2857, 3473} 306 }, 307 { 308 { 7733, 7880, 8188, 8175, 8247, 8490, 8637, 8601, 8359, 7569}, 309 { 4210, 3031, 2552, 3473, 3876, 3853, 4184, 4154, 3909, 3968}, 310 { 3214, 1930, 1313, 2143, 2493, 2385, 2755, 2706, 2542, 2919}, 311 { 3024, 1592, 940, 1631, 1723, 1579, 2034, 2084, 1913, 2601} 312 } 313 }; 314 315 /** 316 * 15 3 317 * cb_ma_predictor_sum[j][i] = floor( 2 * (1.0 - sum ( cb_ma_predictor_float[j][k][i] ) ) ) 318 * k=0 319 * j=0..1, i=0..9 320 */ 321 static const int16_t cb_ma_predictor_sum[2][10] = { /* (0.15) */ 322 { 7798, 8447, 8205, 8293, 8126, 8477, 8447, 8703, 9043, 8604}, 323 {14585, 18333, 19772, 17344, 16426, 16459, 15155, 15220, 16043, 15708} 324 }; 325 326 /** 327 * 12 328 * 2 329 * cb_ma_predictor_sum_inv[j][i] = floor(---------------------------------------------) 330 * 3 331 * 1.0 - sum ( cb_ma_predictor_float[j][k][i] ) 332 * k=0 333 * j=0..1, i=0..9 334 */ 335 static const int16_t cb_ma_predictor_sum_inv[2][10] = { /* (3.12) */ 336 {17210, 15888, 16357, 16183, 16516, 15833, 15888, 15421, 14840, 15597}, 337 { 9202, 7320, 6788, 7738, 8170, 8154, 8856, 8818, 8366, 8544} 338 }; 339 340 /** 341 * MA prediction coefficients (3.9.1 of G.729, near Equation 69) 342 */ 343 static const uint16_t ma_prediction_coeff[4] = { /* (0.13) */ 344 5571, 4751, 2785, 1556 345 }; 346 347 /** 348 * initial LSP coefficients belongs to virtual frame preceding the 349 * first frame of the stream 350 */ 351 static const int16_t lsp_init[10]= { /* (0.15) */ 352 30000, 26000, 21000, 15000, 8000, 0, -8000,-15000,-21000,-26000 353 }; 354 355 /** 356 * additional "phase" post-processing filter impulse response (D.6.2 of G.729) 357 * 358 * Table contains three impulse responses, correspond to 359 * different amounts of spreading. 360 */ 361 static const int16_t phase_filter[3][40] = 362 { 363 { // maximum spreading (for noise-like segments) 364 14690, 11518, 1268, -2762, -5672, 7514, -36, -2808, -3041, 4823, 365 2952, -8425, 3785, 1455, 2179, -8638, 8051, -2104, -1455, 777, 366 1108, -2386, 2254, -364, -675, -2104, 6046, -5682, 1072, 3123, 367 -5059, 5312, -2330, -3729, 6924, -3890, 675, -1776, 29, 10145, 368 }, 369 { // medium spreading 370 30274, 3831, -4037, 2972, -1049, -1003, 2477, -3044, 2815, -2232, 371 1753, -1612, 1714, -1776, 1543, -1009, 429, -170, 472, -1265, 372 2176, -2707, 2523, -1622, 344, 826, -1530, 1724, -1658, 1701, 373 -2064, 2644, -3061, 2897, -1979, 557, 780, -1370, 842, 655, 374 }, 375 { // no spreading (for voiced speech) 376 32767, 0, 0, 0, 0, 0, 0, 0, 0, 0, 377 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 378 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 379 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 380 } 381 }; 382 #endif /* AVCODEC_G729DATA_H */ 383