The Tor Browser: media/libtremor/lib/lsp

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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  ********************************************************************

    14   function: lookup data

    16  ********************************************************************/

    18 #ifndef _V_LOOKUP_DATA_H_

    19 #define _V_LOOKUP_DATA_H_

    21 #include <ogg/os_types.h>

    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

    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};

    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 };

    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 };

    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 };

    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 };

   131 #endif

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