1 /************************************************************************ 2 * Copyright (C) 2002-2009, Xiph.org Foundation 3 * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following disclaimer 14 * in the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the names of the Xiph.org Foundation nor Pinknoise 17 * Productions Ltd nor the names of its contributors may be used to 18 * endorse or promote products derived from this software without 19 * specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 ************************************************************************ 33 34 function: lookup data 35 36 ************************************************************************/ 37 38 #ifndef _V_LOOKUP_DATA_H_ 39 #define _V_LOOKUP_DATA_H_ 40 41 #include "os_types.h" 42 43 #define INVSQ_LOOKUP_I_SHIFT 10 44 #define INVSQ_LOOKUP_I_MASK 1023 45 static const long INVSQ_LOOKUP_I[64+1]={ 46 92682, 91966, 91267, 90583, 47 89915, 89261, 88621, 87995, 48 87381, 86781, 86192, 85616, 49 85051, 84497, 83953, 83420, 50 82897, 82384, 81880, 81385, 51 80899, 80422, 79953, 79492, 52 79039, 78594, 78156, 77726, 53 77302, 76885, 76475, 76072, 54 75674, 75283, 74898, 74519, 55 74146, 73778, 73415, 73058, 56 72706, 72359, 72016, 71679, 57 71347, 71019, 70695, 70376, 58 70061, 69750, 69444, 69141, 59 68842, 68548, 68256, 67969, 60 67685, 67405, 67128, 66855, 61 66585, 66318, 66054, 65794, 62 65536, 63 }; 64 65 static const long INVSQ_LOOKUP_IDel[64]={ 66 716, 699, 684, 668, 67 654, 640, 626, 614, 68 600, 589, 576, 565, 69 554, 544, 533, 523, 70 513, 504, 495, 486, 71 477, 469, 461, 453, 72 445, 438, 430, 424, 73 417, 410, 403, 398, 74 391, 385, 379, 373, 75 368, 363, 357, 352, 76 347, 343, 337, 332, 77 328, 324, 319, 315, 78 311, 306, 303, 299, 79 294, 292, 287, 284, 80 280, 277, 273, 270, 81 267, 264, 260, 258, 82 }; 83 84 #define COS_LOOKUP_I_SHIFT 9 85 #define COS_LOOKUP_I_MASK 511 86 #define COS_LOOKUP_I_SZ 128 87 static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={ 88 16384, 16379, 16364, 16340, 89 16305, 16261, 16207, 16143, 90 16069, 15986, 15893, 15791, 91 15679, 15557, 15426, 15286, 92 15137, 14978, 14811, 14635, 93 14449, 14256, 14053, 13842, 94 13623, 13395, 13160, 12916, 95 12665, 12406, 12140, 11866, 96 11585, 11297, 11003, 10702, 97 10394, 10080, 9760, 9434, 98 9102, 8765, 8423, 8076, 99 7723, 7366, 7005, 6639, 100 6270, 5897, 5520, 5139, 101 4756, 4370, 3981, 3590, 102 3196, 2801, 2404, 2006, 103 1606, 1205, 804, 402, 104 0, -401, -803, -1204, 105 -1605, -2005, -2403, -2800, 106 -3195, -3589, -3980, -4369, 107 -4755, -5138, -5519, -5896, 108 -6269, -6638, -7004, -7365, 109 -7722, -8075, -8422, -8764, 110 -9101, -9433, -9759, -10079, 111 -10393, -10701, -11002, -11296, 112 -11584, -11865, -12139, -12405, 113 -12664, -12915, -13159, -13394, 114 -13622, -13841, -14052, -14255, 115 -14448, -14634, -14810, -14977, 116 -15136, -15285, -15425, -15556, 117 -15678, -15790, -15892, -15985, 118 -16068, -16142, -16206, -16260, 119 -16304, -16339, -16363, -16378, 120 -16383, 121 }; 122 123 #endif 124 125 126 127 128 129
