diff options
Diffstat (limited to 'lib/rbcodec/codecs/libtremor/lsp_lookup.h')
-rw-r--r-- | lib/rbcodec/codecs/libtremor/lsp_lookup.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libtremor/lsp_lookup.h b/lib/rbcodec/codecs/libtremor/lsp_lookup.h new file mode 100644 index 0000000000..d996677ca1 --- /dev/null +++ b/lib/rbcodec/codecs/libtremor/lsp_lookup.h | |||
@@ -0,0 +1,132 @@ | |||
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 "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 | |||