The Tor Browser / file comparison
comparison: media/libtremor/lib/lsp_lookup.h
media/libtremor/lib/lsp_lookup.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:fc64187e5407 |
|---|---|
| 1 /******************************************************************** | |
| 2 * * | |
| 3 * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * | |
| 4 * * | |
| 5 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * | |
| 6 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * | |
| 7 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * | |
| 8 * * | |
| 9 * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * | |
| 10 * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * | |
| 11 * * | |
| 12 ******************************************************************** | |
| 13 | |
| 14 function: lookup data | |
| 15 | |
| 16 ********************************************************************/ | |
| 17 | |
| 18 #ifndef _V_LOOKUP_DATA_H_ | |
| 19 #define _V_LOOKUP_DATA_H_ | |
| 20 | |
| 21 #include <ogg/os_types.h> | |
| 22 | |
| 23 #define FROMdB_LOOKUP_SZ 35 | |
| 24 #define FROMdB2_LOOKUP_SZ 32 | |
| 25 #define FROMdB_SHIFT 5 | |
| 26 #define FROMdB2_SHIFT 3 | |
| 27 #define FROMdB2_MASK 31 | |
| 28 | |
| 29 static const ogg_int32_t FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={ | |
| 30 0x003fffff, 0x0028619b, 0x00197a96, 0x0010137a, | |
| 31 0x000a24b0, 0x00066666, 0x000409c3, 0x00028c42, | |
| 32 0x00019b8c, 0x000103ab, 0x0000a3d7, 0x00006760, | |
| 33 0x0000413a, 0x00002928, 0x000019f8, 0x00001062, | |
| 34 0x00000a56, 0x00000686, 0x0000041e, 0x00000299, | |
| 35 0x000001a3, 0x00000109, 0x000000a7, 0x00000069, | |
| 36 0x00000042, 0x0000002a, 0x0000001a, 0x00000011, | |
| 37 0x0000000b, 0x00000007, 0x00000004, 0x00000003, | |
| 38 0x00000002, 0x00000001, 0x00000001}; | |
| 39 | |
| 40 static const ogg_int32_t FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={ | |
| 41 0x000001fc, 0x000001f5, 0x000001ee, 0x000001e7, | |
| 42 0x000001e0, 0x000001d9, 0x000001d2, 0x000001cc, | |
| 43 0x000001c5, 0x000001bf, 0x000001b8, 0x000001b2, | |
| 44 0x000001ac, 0x000001a6, 0x000001a0, 0x0000019a, | |
| 45 0x00000194, 0x0000018e, 0x00000188, 0x00000183, | |
| 46 0x0000017d, 0x00000178, 0x00000172, 0x0000016d, | |
| 47 0x00000168, 0x00000163, 0x0000015e, 0x00000159, | |
| 48 0x00000154, 0x0000014f, 0x0000014a, 0x00000145, | |
| 49 }; | |
| 50 | |
| 51 #define INVSQ_LOOKUP_I_SHIFT 10 | |
| 52 #define INVSQ_LOOKUP_I_MASK 1023 | |
| 53 static const long INVSQ_LOOKUP_I[64+1]={ | |
| 54 92682, 91966, 91267, 90583, | |
| 55 89915, 89261, 88621, 87995, | |
| 56 87381, 86781, 86192, 85616, | |
| 57 85051, 84497, 83953, 83420, | |
| 58 82897, 82384, 81880, 81385, | |
| 59 80899, 80422, 79953, 79492, | |
| 60 79039, 78594, 78156, 77726, | |
| 61 77302, 76885, 76475, 76072, | |
| 62 75674, 75283, 74898, 74519, | |
| 63 74146, 73778, 73415, 73058, | |
| 64 72706, 72359, 72016, 71679, | |
| 65 71347, 71019, 70695, 70376, | |
| 66 70061, 69750, 69444, 69141, | |
| 67 68842, 68548, 68256, 67969, | |
| 68 67685, 67405, 67128, 66855, | |
| 69 66585, 66318, 66054, 65794, | |
| 70 65536, | |
| 71 }; | |
| 72 | |
| 73 static const long INVSQ_LOOKUP_IDel[64]={ | |
| 74 716, 699, 684, 668, | |
| 75 654, 640, 626, 614, | |
| 76 600, 589, 576, 565, | |
| 77 554, 544, 533, 523, | |
| 78 513, 504, 495, 486, | |
| 79 477, 469, 461, 453, | |
| 80 445, 438, 430, 424, | |
| 81 417, 410, 403, 398, | |
| 82 391, 385, 379, 373, | |
| 83 368, 363, 357, 352, | |
| 84 347, 343, 337, 332, | |
| 85 328, 324, 319, 315, | |
| 86 311, 306, 303, 299, | |
| 87 294, 292, 287, 284, | |
| 88 280, 277, 273, 270, | |
| 89 267, 264, 260, 258, | |
| 90 }; | |
| 91 | |
| 92 #define COS_LOOKUP_I_SHIFT 9 | |
| 93 #define COS_LOOKUP_I_MASK 511 | |
| 94 #define COS_LOOKUP_I_SZ 128 | |
| 95 static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={ | |
| 96 16384, 16379, 16364, 16340, | |
| 97 16305, 16261, 16207, 16143, | |
| 98 16069, 15986, 15893, 15791, | |
| 99 15679, 15557, 15426, 15286, | |
| 100 15137, 14978, 14811, 14635, | |
| 101 14449, 14256, 14053, 13842, | |
| 102 13623, 13395, 13160, 12916, | |
| 103 12665, 12406, 12140, 11866, | |
| 104 11585, 11297, 11003, 10702, | |
| 105 10394, 10080, 9760, 9434, | |
| 106 9102, 8765, 8423, 8076, | |
| 107 7723, 7366, 7005, 6639, | |
| 108 6270, 5897, 5520, 5139, | |
| 109 4756, 4370, 3981, 3590, | |
| 110 3196, 2801, 2404, 2006, | |
| 111 1606, 1205, 804, 402, | |
| 112 0, -401, -803, -1204, | |
| 113 -1605, -2005, -2403, -2800, | |
| 114 -3195, -3589, -3980, -4369, | |
| 115 -4755, -5138, -5519, -5896, | |
| 116 -6269, -6638, -7004, -7365, | |
| 117 -7722, -8075, -8422, -8764, | |
| 118 -9101, -9433, -9759, -10079, | |
| 119 -10393, -10701, -11002, -11296, | |
| 120 -11584, -11865, -12139, -12405, | |
| 121 -12664, -12915, -13159, -13394, | |
| 122 -13622, -13841, -14052, -14255, | |
| 123 -14448, -14634, -14810, -14977, | |
| 124 -15136, -15285, -15425, -15556, | |
| 125 -15678, -15790, -15892, -15985, | |
| 126 -16068, -16142, -16206, -16260, | |
| 127 -16304, -16339, -16363, -16378, | |
| 128 -16383, | |
| 129 }; | |
| 130 | |
| 131 #endif | |
| 132 | |
| 133 | |
| 134 | |
| 135 | |
| 136 |
