michael@0: /********************************************************************
michael@0:  *                                                                  *
michael@0:  * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE.   *
michael@0:  *                                                                  *
michael@0:  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
michael@0:  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
michael@0:  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
michael@0:  *                                                                  *
michael@0:  * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002    *
michael@0:  * BY THE Xiph.Org FOUNDATION http://www.xiph.org/                  *
michael@0:  *                                                                  *
michael@0:  ********************************************************************
michael@0: 
michael@0:   function: lookup data
michael@0: 
michael@0:  ********************************************************************/
michael@0: 
michael@0: #ifndef _V_LOOKUP_DATA_H_
michael@0: #define _V_LOOKUP_DATA_H_
michael@0: 
michael@0: #include <ogg/os_types.h>
michael@0: 
michael@0: #define FROMdB_LOOKUP_SZ 35
michael@0: #define FROMdB2_LOOKUP_SZ 32
michael@0: #define FROMdB_SHIFT 5
michael@0: #define FROMdB2_SHIFT 3
michael@0: #define FROMdB2_MASK 31
michael@0: 
michael@0: static const ogg_int32_t FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
michael@0:   0x003fffff, 0x0028619b, 0x00197a96, 0x0010137a,
michael@0:   0x000a24b0, 0x00066666, 0x000409c3, 0x00028c42,
michael@0:   0x00019b8c, 0x000103ab, 0x0000a3d7, 0x00006760,
michael@0:   0x0000413a, 0x00002928, 0x000019f8, 0x00001062,
michael@0:   0x00000a56, 0x00000686, 0x0000041e, 0x00000299,
michael@0:   0x000001a3, 0x00000109, 0x000000a7, 0x00000069,
michael@0:   0x00000042, 0x0000002a, 0x0000001a, 0x00000011,
michael@0:   0x0000000b, 0x00000007, 0x00000004, 0x00000003,
michael@0:   0x00000002, 0x00000001, 0x00000001};
michael@0: 
michael@0: static const ogg_int32_t FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
michael@0:   0x000001fc, 0x000001f5, 0x000001ee, 0x000001e7,
michael@0:   0x000001e0, 0x000001d9, 0x000001d2, 0x000001cc,
michael@0:   0x000001c5, 0x000001bf, 0x000001b8, 0x000001b2,
michael@0:   0x000001ac, 0x000001a6, 0x000001a0, 0x0000019a,
michael@0:   0x00000194, 0x0000018e, 0x00000188, 0x00000183,
michael@0:   0x0000017d, 0x00000178, 0x00000172, 0x0000016d,
michael@0:   0x00000168, 0x00000163, 0x0000015e, 0x00000159,
michael@0:   0x00000154, 0x0000014f, 0x0000014a, 0x00000145,
michael@0: };
michael@0: 
michael@0: #define INVSQ_LOOKUP_I_SHIFT 10
michael@0: #define INVSQ_LOOKUP_I_MASK 1023
michael@0: static const long INVSQ_LOOKUP_I[64+1]={
michael@0: 	   92682,   91966,   91267,   90583,
michael@0: 	   89915,   89261,   88621,   87995,
michael@0: 	   87381,   86781,   86192,   85616,
michael@0: 	   85051,   84497,   83953,   83420,
michael@0: 	   82897,   82384,   81880,   81385,
michael@0: 	   80899,   80422,   79953,   79492,
michael@0: 	   79039,   78594,   78156,   77726,
michael@0: 	   77302,   76885,   76475,   76072,
michael@0: 	   75674,   75283,   74898,   74519,
michael@0: 	   74146,   73778,   73415,   73058,
michael@0: 	   72706,   72359,   72016,   71679,
michael@0: 	   71347,   71019,   70695,   70376,
michael@0: 	   70061,   69750,   69444,   69141,
michael@0: 	   68842,   68548,   68256,   67969,
michael@0: 	   67685,   67405,   67128,   66855,
michael@0: 	   66585,   66318,   66054,   65794,
michael@0: 	   65536,
michael@0: };
michael@0: 
michael@0: static const long INVSQ_LOOKUP_IDel[64]={
michael@0:              716,     699,     684,     668,
michael@0:              654,     640,     626,     614,
michael@0:              600,     589,     576,     565,
michael@0:              554,     544,     533,     523,
michael@0:              513,     504,     495,     486,
michael@0:              477,     469,     461,     453,
michael@0:              445,     438,     430,     424,
michael@0:              417,     410,     403,     398,
michael@0:              391,     385,     379,     373,
michael@0:              368,     363,     357,     352,
michael@0:              347,     343,     337,     332,
michael@0:              328,     324,     319,     315,
michael@0:              311,     306,     303,     299,
michael@0:              294,     292,     287,     284,
michael@0:              280,     277,     273,     270,
michael@0:              267,     264,     260,     258,
michael@0: };
michael@0: 
michael@0: #define COS_LOOKUP_I_SHIFT 9
michael@0: #define COS_LOOKUP_I_MASK 511
michael@0: #define COS_LOOKUP_I_SZ 128
michael@0: static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
michael@0: 	   16384,   16379,   16364,   16340,
michael@0: 	   16305,   16261,   16207,   16143,
michael@0: 	   16069,   15986,   15893,   15791,
michael@0: 	   15679,   15557,   15426,   15286,
michael@0: 	   15137,   14978,   14811,   14635,
michael@0: 	   14449,   14256,   14053,   13842,
michael@0: 	   13623,   13395,   13160,   12916,
michael@0: 	   12665,   12406,   12140,   11866,
michael@0: 	   11585,   11297,   11003,   10702,
michael@0: 	   10394,   10080,    9760,    9434,
michael@0: 	    9102,    8765,    8423,    8076,
michael@0: 	    7723,    7366,    7005,    6639,
michael@0: 	    6270,    5897,    5520,    5139,
michael@0: 	    4756,    4370,    3981,    3590,
michael@0: 	    3196,    2801,    2404,    2006,
michael@0: 	    1606,    1205,     804,     402,
michael@0: 	       0,    -401,    -803,   -1204,
michael@0: 	   -1605,   -2005,   -2403,   -2800,
michael@0: 	   -3195,   -3589,   -3980,   -4369,
michael@0: 	   -4755,   -5138,   -5519,   -5896,
michael@0: 	   -6269,   -6638,   -7004,   -7365,
michael@0: 	   -7722,   -8075,   -8422,   -8764,
michael@0: 	   -9101,   -9433,   -9759,  -10079,
michael@0: 	  -10393,  -10701,  -11002,  -11296,
michael@0: 	  -11584,  -11865,  -12139,  -12405,
michael@0: 	  -12664,  -12915,  -13159,  -13394,
michael@0: 	  -13622,  -13841,  -14052,  -14255,
michael@0: 	  -14448,  -14634,  -14810,  -14977,
michael@0: 	  -15136,  -15285,  -15425,  -15556,
michael@0: 	  -15678,  -15790,  -15892,  -15985,
michael@0: 	  -16068,  -16142,  -16206,  -16260,
michael@0: 	  -16304,  -16339,  -16363,  -16378,
michael@0: 	  -16383,
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: 
michael@0: 
michael@0: 
michael@0: