df96b40299bfff202c8a026181623ab6ffe6161b
[libav.git] / libavcodec / ra288.h
1 /*
2 * RealAudio 2.0 (28.8K)
3 * Copyright (c) 2003 the ffmpeg project
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_RA288_H
23 #define AVCODEC_RA288_H
24
25 static const float amptable[8]={
26 0.515625, 0.90234375, 1.57910156, 2.76342773,
27 -0.515625, -0.90234375, -1.57910156, -2.76342773
28 };
29
30 static const int16_t codetable[128][5]={
31 { 668, -2950, -1254, -1790, -2553}, { -5032, -4577, -1045, 2908, 3318},
32 { -2819, -2677, -948, -2825, -4450}, { -6679, -340, 1482, -1276, 1262},
33 { -562, -6757, 1281, 179, -1274}, { -2512, -7130, -4925, 6913, 2411},
34 { -2478, -156, 4683, -3873, 0}, { -8208, 2140, -478, -2785, 533},
35 { 1889, 2759, 1381, -6955, -5913}, { 5082, -2460, -5778, 1797, 568},
36 { -2208, -3309, -4523, -6236, -7505}, { -2719, 4358, -2988, -1149, 2664},
37 { 1259, 995, 2711, -2464,-10390}, { 1722, -7569, -2742, 2171, -2329},
38 { 1032, 747, -858, -7946,-12843}, { 3106, 4856, -4193, -2541, 1035},
39 { 1862, -960, -6628, 410, 5882}, { -2493, -2628, -4000, -60, 7202},
40 { -2672, 1446, 1536, -3831, 1233}, { -5302, 6912, 1589, -4187, 3665},
41 { -3456, -8170, -7709, 1384, 4698}, { -4699, -6209,-11176, 8104, 16830},
42 { 930, 7004, 1269, -8977, 2567}, { 4649, 11804, 3441, -5657, 1199},
43 { 2542, -183, -8859, -7976, 3230}, { -2872, -2011, -9713, -8385, 12983},
44 { 3086, 2140, -3680, -9643, -2896}, { -7609, 6515, -2283, -2522, 6332},
45 { -3333, -5620, -9130,-11131, 5543}, { -407, -6721,-17466, -2889, 11568},
46 { 3692, 6796, -262,-10846, -1856}, { 7275, 13404, -2989,-10595, 4936},
47 { 244, -2219, 2656, 3776, -5412}, { -4043, -5934, 2131, 863, -2866},
48 { -3302, 1743, -2006, -128, -2052}, { -6361, 3342, -1583, -21, 1142},
49 { -3837, -1831, 6397, 2545, -2848}, { -9332, -6528, 5309, 1986, -2245},
50 { -4490, 748, 1935, -3027, -493}, { -9255, 5366, 3193, -4493, 1784},
51 { 4784, -370, 1866, 1057, -1889}, { 7342, -2690, -2577, 676, -611},
52 { -502, 2235, -1850, -1777, -2049}, { 1011, 3880, -2465, 2209, -152},
53 { 2592, 2829, 5588, 2839, -7306}, { -3049, -4918, 5955, 9201, -4447},
54 { 697, 3908, 5798, -4451, -4644}, { -2121, 5444, -2570, 321, -1202},
55 { 2846, -2086, 3532, 566, -708}, { -4279, 950, 4980, 3749, 452},
56 { -2484, 3502, 1719, -170, 238}, { -3435, 263, 2114, -2005, 2361},
57 { -7338, -1208, 9347, -1216, -4013}, {-13498, -439, 8028, -4232, 361},
58 { -3729, 5433, 2004, -4727, -1259}, { -3986, 7743, 8429, -3691, -987},
59 { 5198, -423, 1150, -1281, 816}, { 7409, 4109, -3949, 2690, 30},
60 { 1246, 3055, -35, -1370, -246}, { -1489, 5635, -678, -2627, 3170},
61 { 4830, -4585, 2008, -1062, 799}, { -129, 717, 4594, 14937, 10706},
62 { 417, 2759, 1850, -5057, -1153}, { -3887, 7361, -5768, 4285, 666},
63 { 1443, -938, 20, -2119, -1697}, { -3712, -3402, -2212, 110, 2136},
64 { -2952, 12, -1568, -3500, -1855}, { -1315, -1731, 1160, -558, 1709},
65 { 88, -4569, 194, -454, -2957}, { -2839, -1666, -273, 2084, -155},
66 { -189, -2376, 1663, -1040, -2449}, { -2842, -1369, 636, -248, -2677},
67 { 1517, 79, -3013, -3669, -973}, { 1913, -2493, -5312, -749, 1271},
68 { -2903, -3324, -3756, -3690, -1829}, { -2913, -1547, -2760, -1406, 1124},
69 { 1844, -1834, 456, 706, -4272}, { 467, -4256, -1909, 1521, 1134},
70 { -127, -994, -637, -1491, -6494}, { 873, -2045, -3828, -2792, -578},
71 { 2311, -1817, 2632, -3052, 1968}, { 641, 1194, 1893, 4107, 6342},
72 { -45, 1198, 2160, -1449, 2203}, { -2004, 1713, 3518, 2652, 4251},
73 { 2936, -3968, 1280, 131, -1476}, { 2827, 8, -1928, 2658, 3513},
74 { 3199, -816, 2687, -1741, -1407}, { 2948, 4029, 394, -253, 1298},
75 { 4286, 51, -4507, -32, -659}, { 3903, 5646, -5588, -2592, 5707},
76 { -606, 1234, -1607, -5187, 664}, { -525, 3620, -2192, -2527, 1707},
77 { 4297, -3251, -2283, 812, -2264}, { 5765, 528, -3287, 1352, 1672},
78 { 2735, 1241, -1103, -3273, -3407}, { 4033, 1648, -2965, -1174, 1444},
79 { 74, 918, 1999, 915, -1026}, { -2496, -1605, 2034, 2950, 229},
80 { -2168, 2037, 15, -1264, -208}, { -3552, 1530, 581, 1491, 962},
81 { -2613, -2338, 3621, -1488, -2185}, { -1747, 81, 5538, 1432, -2257},
82 { -1019, 867, 214, -2284, -1510}, { -1684, 2816, -229, 2551, -1389},
83 { 2707, 504, 479, 2783, -1009}, { 2517, -1487, -1596, 621, 1929},
84 { -148, 2206, -4288, 1292, -1401}, { -527, 1243, -2731, 1909, 1280},
85 { 2149, -1501, 3688, 610, -4591}, { 3306, -3369, 1875, 3636, -1217},
86 { 2574, 2513, 1449, -3074, -4979}, { 814, 1826, -2497, 4234, -4077},
87 { 1664, -220, 3418, 1002, 1115}, { 781, 1658, 3919, 6130, 3140},
88 { 1148, 4065, 1516, 815, 199}, { 1191, 2489, 2561, 2421, 2443},
89 { 770, -5915, 5515, -368, -3199}, { 1190, 1047, 3742, 6927, -2089},
90 { 292, 3099, 4308, -758, -2455}, { 523, 3921, 4044, 1386, 85},
91 { 4367, 1006, -1252, -1466, -1383}, { 3852, 1579, -77, 2064, 868},
92 { 5109, 2919, -202, 359, -509}, { 3650, 3206, 2303, 1693, 1296},
93 { 2905, -3907, 229, -1196, -2332}, { 5977, -3585, 805, 3825, -3138},
94 { 3746, -606, 53, -269, -3301}, { 606, 2018, -1316, 4064, 398}
95 };
96
97 static const float syn_window[111]={
98 0.576690972, 0.580838025, 0.585013986, 0.589219987, 0.59345597, 0.597723007,
99 0.602020264, 0.606384277, 0.610748291, 0.615142822, 0.619598389, 0.624084473,
100 0.628570557, 0.633117676, 0.637695313, 0.642272949, 0.646911621, 0.651580811,
101 0.656280518, 0.66104126, 0.665802002, 0.670593262, 0.675445557, 0.680328369,
102 0.685241699, 0.690185547, 0.695159912, 0.700164795, 0.705230713, 0.710327148,
103 0.715454102, 0.720611572, 0.725830078, 0.731048584, 0.736328125, 0.741638184,
104 0.747009277, 0.752380371, 0.7578125, 0.763305664, 0.768798828, 0.774353027,
105 0.779937744, 0.785583496, 0.791229248, 0.796936035, 0.802703857, 0.808502197,
106 0.814331055, 0.820220947, 0.826141357, 0.832092285, 0.838104248, 0.844146729,
107 0.850250244, 0.856384277, 0.862548828, 0.868774414, 0.875061035, 0.881378174,
108 0.88772583, 0.894134521, 0.900604248, 0.907104492, 0.913635254, 0.920227051,
109 0.926879883, 0.933563232, 0.940307617, 0.94708252, 0.953918457, 0.96081543,
110 0.96774292, 0.974731445, 0.981781006, 0.988861084, 0.994842529, 0.998565674,
111 0.999969482, 0.99911499, 0.996002197, 0.990600586, 0.982910156, 0.973022461,
112 0.960876465, 0.946533203, 0.930053711, 0.911437988, 0.89074707, 0.868041992,
113 0.843322754, 0.816680908, 0.788208008, 0.757904053, 0.725891113, 0.692199707,
114 0.656921387, 0.620178223, 0.582000732, 0.542480469, 0.501739502, 0.459838867,
115 0.416900635, 0.373016357, 0.328277588, 0.282775879, 0.236663818, 0.189971924,
116 0.142852783, 0.0954284668,0.0477600098
117 };
118
119 static const float gain_window[38]={
120 0.505699992, 0.524200022, 0.54339999, 0.563300014, 0.583953857, 0.60534668,
121 0.627502441, 0.650482178, 0.674316406, 0.699005127, 0.724578857, 0.75112915,
122 0.778625488, 0.807128906, 0.836669922, 0.86730957, 0.899078369, 0.932006836,
123 0.961486816, 0.982757568, 0.995635986, 1, 0.995819092, 0.983154297,
124 0.96206665, 0.932769775, 0.895507813, 0.850585938, 0.798400879, 0.739379883,
125 0.674072266, 0.602996826, 0.526763916, 0.446014404, 0.361480713, 0.273834229,
126 0.183868408, 0.0923461914
127 };
128
129 /** synthesis bandwidth broadening table */
130 static const float syn_bw_tab[36]={
131 0.98828125, 0.976699829, 0.965254128, 0.953942537, 0.942763507, 0.931715488,
132 0.920796931, 0.910006344, 0.899342179, 0.888803005, 0.878387332, 0.868093729,
133 0.857920766, 0.847867012, 0.837931097, 0.828111589, 0.818407178, 0.808816493,
134 0.799338162, 0.789970934, 0.780713439, 0.771564424, 0.762522638, 0.753586829,
135 0.744755745, 0.736028135, 0.727402806, 0.718878567, 0.710454226, 0.702128589,
136 0.693900526, 0.685768902, 0.677732527, 0.669790328, 0.66194123, 0.654184103
137 };
138
139 /** gain bandwidth broadening table */
140 static const float gain_bw_tab[10]={
141 0.90625, 0.821289063, 0.74432373, 0.674499512, 0.61126709,
142 0.553955078, 0.50201416, 0.454956055, 0.41229248, 0.373657227
143 };
144
145 #endif /* AVCODEC_RA288_H */