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-rw-r--r--media/libtremor/lib/lsp_lookup.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/media/libtremor/lib/lsp_lookup.h b/media/libtremor/lib/lsp_lookup.h
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+++ b/media/libtremor/lib/lsp_lookup.h
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+/********************************************************************
+ * *
+ * 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 <ogg/os_types.h>
+
+#define FROMdB_LOOKUP_SZ 35
+#define FROMdB2_LOOKUP_SZ 32
+#define FROMdB_SHIFT 5
+#define FROMdB2_SHIFT 3
+#define FROMdB2_MASK 31
+
+static const ogg_int32_t FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
+ 0x003fffff, 0x0028619b, 0x00197a96, 0x0010137a,
+ 0x000a24b0, 0x00066666, 0x000409c3, 0x00028c42,
+ 0x00019b8c, 0x000103ab, 0x0000a3d7, 0x00006760,
+ 0x0000413a, 0x00002928, 0x000019f8, 0x00001062,
+ 0x00000a56, 0x00000686, 0x0000041e, 0x00000299,
+ 0x000001a3, 0x00000109, 0x000000a7, 0x00000069,
+ 0x00000042, 0x0000002a, 0x0000001a, 0x00000011,
+ 0x0000000b, 0x00000007, 0x00000004, 0x00000003,
+ 0x00000002, 0x00000001, 0x00000001};
+
+static const ogg_int32_t FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
+ 0x000001fc, 0x000001f5, 0x000001ee, 0x000001e7,
+ 0x000001e0, 0x000001d9, 0x000001d2, 0x000001cc,
+ 0x000001c5, 0x000001bf, 0x000001b8, 0x000001b2,
+ 0x000001ac, 0x000001a6, 0x000001a0, 0x0000019a,
+ 0x00000194, 0x0000018e, 0x00000188, 0x00000183,
+ 0x0000017d, 0x00000178, 0x00000172, 0x0000016d,
+ 0x00000168, 0x00000163, 0x0000015e, 0x00000159,
+ 0x00000154, 0x0000014f, 0x0000014a, 0x00000145,
+};
+
+#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
+
+
+
+
+