1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libtremor/lib/lsp_lookup.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,136 @@
1.4 +/********************************************************************
1.5 + * *
1.6 + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
1.7 + * *
1.8 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
1.9 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
1.10 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
1.11 + * *
1.12 + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
1.13 + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
1.14 + * *
1.15 + ********************************************************************
1.16 +
1.17 + function: lookup data
1.18 +
1.19 + ********************************************************************/
1.20 +
1.21 +#ifndef _V_LOOKUP_DATA_H_
1.22 +#define _V_LOOKUP_DATA_H_
1.23 +
1.24 +#include <ogg/os_types.h>
1.25 +
1.26 +#define FROMdB_LOOKUP_SZ 35
1.27 +#define FROMdB2_LOOKUP_SZ 32
1.28 +#define FROMdB_SHIFT 5
1.29 +#define FROMdB2_SHIFT 3
1.30 +#define FROMdB2_MASK 31
1.31 +
1.32 +static const ogg_int32_t FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
1.33 + 0x003fffff, 0x0028619b, 0x00197a96, 0x0010137a,
1.34 + 0x000a24b0, 0x00066666, 0x000409c3, 0x00028c42,
1.35 + 0x00019b8c, 0x000103ab, 0x0000a3d7, 0x00006760,
1.36 + 0x0000413a, 0x00002928, 0x000019f8, 0x00001062,
1.37 + 0x00000a56, 0x00000686, 0x0000041e, 0x00000299,
1.38 + 0x000001a3, 0x00000109, 0x000000a7, 0x00000069,
1.39 + 0x00000042, 0x0000002a, 0x0000001a, 0x00000011,
1.40 + 0x0000000b, 0x00000007, 0x00000004, 0x00000003,
1.41 + 0x00000002, 0x00000001, 0x00000001};
1.42 +
1.43 +static const ogg_int32_t FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
1.44 + 0x000001fc, 0x000001f5, 0x000001ee, 0x000001e7,
1.45 + 0x000001e0, 0x000001d9, 0x000001d2, 0x000001cc,
1.46 + 0x000001c5, 0x000001bf, 0x000001b8, 0x000001b2,
1.47 + 0x000001ac, 0x000001a6, 0x000001a0, 0x0000019a,
1.48 + 0x00000194, 0x0000018e, 0x00000188, 0x00000183,
1.49 + 0x0000017d, 0x00000178, 0x00000172, 0x0000016d,
1.50 + 0x00000168, 0x00000163, 0x0000015e, 0x00000159,
1.51 + 0x00000154, 0x0000014f, 0x0000014a, 0x00000145,
1.52 +};
1.53 +
1.54 +#define INVSQ_LOOKUP_I_SHIFT 10
1.55 +#define INVSQ_LOOKUP_I_MASK 1023
1.56 +static const long INVSQ_LOOKUP_I[64+1]={
1.57 + 92682, 91966, 91267, 90583,
1.58 + 89915, 89261, 88621, 87995,
1.59 + 87381, 86781, 86192, 85616,
1.60 + 85051, 84497, 83953, 83420,
1.61 + 82897, 82384, 81880, 81385,
1.62 + 80899, 80422, 79953, 79492,
1.63 + 79039, 78594, 78156, 77726,
1.64 + 77302, 76885, 76475, 76072,
1.65 + 75674, 75283, 74898, 74519,
1.66 + 74146, 73778, 73415, 73058,
1.67 + 72706, 72359, 72016, 71679,
1.68 + 71347, 71019, 70695, 70376,
1.69 + 70061, 69750, 69444, 69141,
1.70 + 68842, 68548, 68256, 67969,
1.71 + 67685, 67405, 67128, 66855,
1.72 + 66585, 66318, 66054, 65794,
1.73 + 65536,
1.74 +};
1.75 +
1.76 +static const long INVSQ_LOOKUP_IDel[64]={
1.77 + 716, 699, 684, 668,
1.78 + 654, 640, 626, 614,
1.79 + 600, 589, 576, 565,
1.80 + 554, 544, 533, 523,
1.81 + 513, 504, 495, 486,
1.82 + 477, 469, 461, 453,
1.83 + 445, 438, 430, 424,
1.84 + 417, 410, 403, 398,
1.85 + 391, 385, 379, 373,
1.86 + 368, 363, 357, 352,
1.87 + 347, 343, 337, 332,
1.88 + 328, 324, 319, 315,
1.89 + 311, 306, 303, 299,
1.90 + 294, 292, 287, 284,
1.91 + 280, 277, 273, 270,
1.92 + 267, 264, 260, 258,
1.93 +};
1.94 +
1.95 +#define COS_LOOKUP_I_SHIFT 9
1.96 +#define COS_LOOKUP_I_MASK 511
1.97 +#define COS_LOOKUP_I_SZ 128
1.98 +static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
1.99 + 16384, 16379, 16364, 16340,
1.100 + 16305, 16261, 16207, 16143,
1.101 + 16069, 15986, 15893, 15791,
1.102 + 15679, 15557, 15426, 15286,
1.103 + 15137, 14978, 14811, 14635,
1.104 + 14449, 14256, 14053, 13842,
1.105 + 13623, 13395, 13160, 12916,
1.106 + 12665, 12406, 12140, 11866,
1.107 + 11585, 11297, 11003, 10702,
1.108 + 10394, 10080, 9760, 9434,
1.109 + 9102, 8765, 8423, 8076,
1.110 + 7723, 7366, 7005, 6639,
1.111 + 6270, 5897, 5520, 5139,
1.112 + 4756, 4370, 3981, 3590,
1.113 + 3196, 2801, 2404, 2006,
1.114 + 1606, 1205, 804, 402,
1.115 + 0, -401, -803, -1204,
1.116 + -1605, -2005, -2403, -2800,
1.117 + -3195, -3589, -3980, -4369,
1.118 + -4755, -5138, -5519, -5896,
1.119 + -6269, -6638, -7004, -7365,
1.120 + -7722, -8075, -8422, -8764,
1.121 + -9101, -9433, -9759, -10079,
1.122 + -10393, -10701, -11002, -11296,
1.123 + -11584, -11865, -12139, -12405,
1.124 + -12664, -12915, -13159, -13394,
1.125 + -13622, -13841, -14052, -14255,
1.126 + -14448, -14634, -14810, -14977,
1.127 + -15136, -15285, -15425, -15556,
1.128 + -15678, -15790, -15892, -15985,
1.129 + -16068, -16142, -16206, -16260,
1.130 + -16304, -16339, -16363, -16378,
1.131 + -16383,
1.132 +};
1.133 +
1.134 +#endif
1.135 +
1.136 +
1.137 +
1.138 +
1.139 +
