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chromium / chromium / third_party / ffmpeg / refs/heads/master / . / libavcodec / g729data.h
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Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]1/*
Vladimir Voroshilov8db3b852008-09-03 06:08:04[diff] [blame]2 * data for G.729, G729 Annex D decoders
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]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 */
42static 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 */
177static 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 */
215static 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 */
229static 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/**
Vladimir Voroshilov0b424632009-06-12 17:32:54[diff] [blame]249 * gain codebook (first stage), 6.4k mode (D.3.9.2 of G.729)
250 */
251static 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 */
266static 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/**
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]279 * 4th order Moving Average (MA) Predictor codebook (3.2.4 of G.729)
Vladimir Voroshilovb29e5a62009-06-23 05:39:33[diff] [blame]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
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]299 */
300static 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
Vladimir Voroshilovb29e5a62009-06-23 05:39:33[diff] [blame]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 */
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]321static 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
Vladimir Voroshilovd1a643e2009-06-24 05:09:20[diff] [blame]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 */
Vladimir Voroshilov388f2252009-06-11 05:30:46[diff] [blame]335static 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
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]340/**
Vladimir Voroshilov0a333782009-06-04 18:55:06[diff] [blame]341 * MA prediction coefficients (3.9.1 of G.729, near Equation 69)
342 */
343static const uint16_t ma_prediction_coeff[4] = { /* (0.13) */
344 5571, 4751, 2785, 1556
345};
346
347/**
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]348 * initial LSP coefficients belongs to virtual frame preceding the
349 * first frame of the stream
350 */
351static const int16_t lsp_init[10]= { /* (0.15) */
352 30000, 26000, 21000, 15000, 8000, 0, -8000,-15000,-21000,-26000
353};
Vladimir Voroshilove610c5f2008-09-03 16:47:58[diff] [blame]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 */
361static 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};
Michael Niedermayer0b61af72011-09-24 17:39:18[diff] [blame]382#endif /* AVCODEC_G729DATA_H */