| /******************************************************************** |
| * * |
| * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * |
| * * |
| * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
| * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
| * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
| * * |
| * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * |
| * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * |
| * * |
| ******************************************************************** |
| |
| function: lookup data |
| |
| ********************************************************************/ |
| |
| #ifndef _V_LOOKUP_DATA_H_ |
| #define _V_LOOKUP_DATA_H_ |
| |
| #include "os_types.h" |
| |
| #define INVSQ_LOOKUP_I_SHIFT 10 |
| #define INVSQ_LOOKUP_I_MASK 1023 |
| static const long INVSQ_LOOKUP_I[64+1]={ |
| 92682, 91966, 91267, 90583, |
| 89915, 89261, 88621, 87995, |
| 87381, 86781, 86192, 85616, |
| 85051, 84497, 83953, 83420, |
| 82897, 82384, 81880, 81385, |
| 80899, 80422, 79953, 79492, |
| 79039, 78594, 78156, 77726, |
| 77302, 76885, 76475, 76072, |
| 75674, 75283, 74898, 74519, |
| 74146, 73778, 73415, 73058, |
| 72706, 72359, 72016, 71679, |
| 71347, 71019, 70695, 70376, |
| 70061, 69750, 69444, 69141, |
| 68842, 68548, 68256, 67969, |
| 67685, 67405, 67128, 66855, |
| 66585, 66318, 66054, 65794, |
| 65536, |
| }; |
| |
| static const long INVSQ_LOOKUP_IDel[64]={ |
| 716, 699, 684, 668, |
| 654, 640, 626, 614, |
| 600, 589, 576, 565, |
| 554, 544, 533, 523, |
| 513, 504, 495, 486, |
| 477, 469, 461, 453, |
| 445, 438, 430, 424, |
| 417, 410, 403, 398, |
| 391, 385, 379, 373, |
| 368, 363, 357, 352, |
| 347, 343, 337, 332, |
| 328, 324, 319, 315, |
| 311, 306, 303, 299, |
| 294, 292, 287, 284, |
| 280, 277, 273, 270, |
| 267, 264, 260, 258, |
| }; |
| |
| #define COS_LOOKUP_I_SHIFT 9 |
| #define COS_LOOKUP_I_MASK 511 |
| #define COS_LOOKUP_I_SZ 128 |
| static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={ |
| 16384, 16379, 16364, 16340, |
| 16305, 16261, 16207, 16143, |
| 16069, 15986, 15893, 15791, |
| 15679, 15557, 15426, 15286, |
| 15137, 14978, 14811, 14635, |
| 14449, 14256, 14053, 13842, |
| 13623, 13395, 13160, 12916, |
| 12665, 12406, 12140, 11866, |
| 11585, 11297, 11003, 10702, |
| 10394, 10080, 9760, 9434, |
| 9102, 8765, 8423, 8076, |
| 7723, 7366, 7005, 6639, |
| 6270, 5897, 5520, 5139, |
| 4756, 4370, 3981, 3590, |
| 3196, 2801, 2404, 2006, |
| 1606, 1205, 804, 402, |
| 0, -401, -803, -1204, |
| -1605, -2005, -2403, -2800, |
| -3195, -3589, -3980, -4369, |
| -4755, -5138, -5519, -5896, |
| -6269, -6638, -7004, -7365, |
| -7722, -8075, -8422, -8764, |
| -9101, -9433, -9759, -10079, |
| -10393, -10701, -11002, -11296, |
| -11584, -11865, -12139, -12405, |
| -12664, -12915, -13159, -13394, |
| -13622, -13841, -14052, -14255, |
| -14448, -14634, -14810, -14977, |
| -15136, -15285, -15425, -15556, |
| -15678, -15790, -15892, -15985, |
| -16068, -16142, -16206, -16260, |
| -16304, -16339, -16363, -16378, |
| -16383, |
| }; |
| |
| #endif |
| |
| |
| |
| |
| |
