wmadata.h File Reference

#include <stdint.h>
#include "wma.h"

Go to the source code of this file.

Variables
static const uint8_t	exponent_band_22050 [3][25]
static const uint8_t	exponent_band_32000 [3][25]
static const uint8_t	exponent_band_44100 [3][25]
const uint8_t	ff_wma_hgain_hufftab [37][2]
const float	ff_wma_lsp_codebook [NB_LSP_COEFS][16]
static const uint32_t	coef0_huffcodes [666]
static const uint8_t	coef0_huffbits [666]
static const uint32_t	coef1_huffcodes [555]
static const uint8_t	coef1_huffbits [555]
static const uint32_t	coef2_huffcodes [1336]
static const uint8_t	coef2_huffbits [1336]
static const uint32_t	coef3_huffcodes [1072]
static const uint8_t	coef3_huffbits [1072]
static const uint32_t	coef4_huffcodes [476]
static const uint8_t	coef4_huffbits [476]
static const uint32_t	coef5_huffcodes [435]
static const uint8_t	coef5_huffbits [435]
static const uint16_t	levels0 [60]
static const uint16_t	levels1 [40]
static const uint16_t	levels2 [340]
static const uint16_t	levels3 [180]
static const uint16_t	levels4 [70]
static const uint16_t	levels5 [40]
static const CoefVLCTable	coef_vlcs [6]

Detailed Description

Various WMA tables.

Definition in file wmadata.h.

Variable Documentation

exponent_band_22050

const uint8_t exponent_band_22050[3][25]

static

Initial value:

= {
    { 10,  4,  8,  4,  8,  8, 12, 20, 24, 24, 16, },
    { 14,  4,  8,  8,  4, 12, 12, 16, 24, 16, 20, 24, 32, 40, 36, },
    { 23,  4,  4,  4,  8,  4,  4,  8,  8,  8,  8,  8, 12, 12, 16, 16,
      24, 24, 32, 44, 48, 60, 84, 72, },
}

Definition at line 35 of file wmadata.h.

Referenced by ff_wma_init().

exponent_band_32000

const uint8_t exponent_band_32000[3][25]

static

Initial value:

= {
    { 11, 4, 4, 8, 4,  4, 12, 16, 24, 20, 28,  4, },
    { 15, 4, 8, 4, 4,  8,  8, 16, 20, 12, 20, 20, 28, 40, 56, 8, },
    { 16, 8, 4, 8, 8, 12, 16, 20, 24, 40, 32, 32, 44, 56, 80, 112, 16, },
}

Definition at line 42 of file wmadata.h.

Referenced by ff_wma_init().

exponent_band_44100

const uint8_t exponent_band_44100[3][25]

static

Initial value:

= {
    { 12, 4, 4, 4, 4,  4,  8, 8, 8, 12, 16, 20, 36, },
    { 15, 4, 8, 4, 8,  8,  4, 8, 8, 12, 12, 12, 24, 28, 40, 76, },
    { 17, 4, 8, 8, 4, 12, 12, 8, 8, 24, 16, 20, 24, 32, 40, 60, 80, 152, },
}

Definition at line 48 of file wmadata.h.

Referenced by ff_wma_init().

ff_wma_hgain_hufftab

const uint8_t ff_wma_hgain_hufftab[37][2]

Initial value:

= {
    { 25, 10 }, {  2, 10 }, { 27, 10 }, {  0, 10 }, { 31,  9 }, { 30,  9 },
    { 23,  8 }, {  7,  8 }, { 29,  8 }, { 26,  8 }, { 24,  7 }, { 10,  5 },
    { 12,  4 }, { 20,  5 }, { 22,  6 }, {  8,  7 }, { 33, 10 }, { 32, 13 },
    {  5, 13 }, { 34, 13 }, { 35, 13 }, { 36, 13 }, {  3, 13 }, {  1, 12 },
    {  4,  9 }, {  6,  9 }, { 28,  9 }, { 18,  4 }, { 16,  4 }, { 21,  5 },
    {  9,  5 }, { 11,  4 }, { 19,  4 }, { 14,  3 }, { 15,  3 }, { 13,  3 },
    { 17,  3 },
}

Definition at line 54 of file wmadata.h.

Referenced by wma_decode_init().

ff_wma_lsp_codebook

const float ff_wma_lsp_codebook[NB_LSP_COEFS][16]

Initial value:

= {
    {  1.98732877,  1.97944528,  1.97179088,  1.96260549,  1.95038374,  1.93336114,  1.90719232,  1.86191415, },
    {  1.97260000,  1.96083160,  1.94982586,  1.93806164,  1.92516608,  1.91010199,  1.89232331,  1.87149812,
       1.84564818,  1.81358067,  1.77620070,  1.73265264,  1.67907855,  1.60959081,  1.50829650,  1.33120330, },
    {  1.90109110,  1.86482426,  1.83419671,  1.80168452,  1.76650116,  1.72816320,  1.68502700,  1.63738256,
       1.58501580,  1.51795181,  1.43679906,  1.33950585,  1.24176208,  1.12260729,  0.96749668,  0.74048265, },
    {  1.76943864,  1.67822463,  1.59946365,  1.53560582,  1.47470796,  1.41210167,  1.34509536,  1.27339507,
       1.19303814,  1.09765169,  0.98818722,  0.87239446,  0.74369172,  0.59768184,  0.43168630,  0.17977021, },
    {  1.43428349,  1.32038354,  1.21074086,  1.10577988,  1.00561746,  0.90335924,  0.80437489,  0.70709671,
       0.60427395,  0.49814048,  0.38509539,  0.27106800,  0.14407416,  0.00219910, -0.16725141, -0.36936085, },
    {  0.99895687,  0.84188166,  0.70753739,  0.57906595,  0.47055563,  0.36966965,  0.26826648,  0.17163380,
       0.07208392, -0.03062936, -1.40037388, -0.25128968, -0.37213937, -0.51075646, -0.64887512, -0.80308031, },
    {  0.26515280,  0.06313551, -0.08872080, -0.21103548, -0.31069678, -0.39680323, -0.47223474, -0.54167135,
      -0.61444740, -0.68943343, -0.76580211, -0.85170082, -0.95289061, -1.06514703, -1.20510707, -1.37617746, },
    { -0.53940301, -0.73770929, -0.88424876, -1.01117930, -1.13389091, -1.26830073, -1.42041987, -1.62033919,
      -1.10158808, -1.16512566, -1.23337128, -1.30414401, -1.37663312, -1.46853845, -1.57625798, -1.66893638, },
    { -0.38601997, -0.56009350, -0.66978483, -0.76028471, -0.83846064, -0.90868087, -0.97408881, -1.03694962, },
    { -1.56144989, -1.65944032, -1.72689685, -1.77857740, -1.82203011, -1.86220079, -1.90283983, -1.94820479, },
}

Definition at line 64 of file wmadata.h.

Referenced by decode_exp_lsp().

coef0_huffcodes

const uint32_t coef0_huffcodes[666]

static

Definition at line 84 of file wmadata.h.

coef0_huffbits

const uint8_t coef0_huffbits[666]

static

Definition at line 171 of file wmadata.h.

coef1_huffcodes

const uint32_t coef1_huffcodes[555]

static

Definition at line 258 of file wmadata.h.

coef1_huffbits

const uint8_t coef1_huffbits[555]

static

Definition at line 331 of file wmadata.h.

coef2_huffcodes

const uint32_t coef2_huffcodes[1336]

static

Definition at line 404 of file wmadata.h.

coef2_huffbits

const uint8_t coef2_huffbits[1336]

static

Definition at line 574 of file wmadata.h.

coef3_huffcodes

const uint32_t coef3_huffcodes[1072]

static

Definition at line 744 of file wmadata.h.

coef3_huffbits

const uint8_t coef3_huffbits[1072]

static

Definition at line 881 of file wmadata.h.

coef4_huffcodes

const uint32_t coef4_huffcodes[476]

static

Definition at line 1018 of file wmadata.h.

coef4_huffbits

const uint8_t coef4_huffbits[476]

static

Definition at line 1081 of file wmadata.h.

coef5_huffcodes

const uint32_t coef5_huffcodes[435]

static

Definition at line 1144 of file wmadata.h.

coef5_huffbits

const uint8_t coef5_huffbits[435]

static

Definition at line 1202 of file wmadata.h.

levels0

const uint16_t levels0[60]

static

Initial value:

= {
    317, 92, 62, 60, 19, 17, 10, 7,
      6,  5,  5,  3,  3,  3,  2, 2,
      2,  2,  2,  2,  2,  1,  2, 2,
      1,  1,  1,  1,  1,  1,  1, 1,
      1,  1,  1,  1,  1,  1,  1, 1,
      1,  1,  1,  1,  1,  1,  1, 1,
      1,  1,  1,  1,  1,  1,  1, 1,
      1,  1,  1,  1,
}

Definition at line 1260 of file wmadata.h.

levels1

const uint16_t levels1[40]

static

Initial value:

= {
    311, 91, 61, 28, 10, 6, 5, 2,
      2,  2,  2,  2,  2, 2, 2, 1,
      1,  1,  1,  1,  1, 1, 1, 1,
      1,  1,  1,  1,  1, 1, 1, 1,
      1,  1,  1,  1,  1, 1, 1, 1,
}

Definition at line 1271 of file wmadata.h.

levels2

const uint16_t levels2[340]

static

Definition at line 1279 of file wmadata.h.

levels3

const uint16_t levels3[180]

static

Initial value:

= {
    351, 122, 76, 61, 41, 42, 24, 30,
     22,  19, 11,  9, 10,  8,  5,  5,
      4,   5,  5,  3,  3,  3,  3,  3,
      3,   3,  2,  2,  3,  2,  2,  2,
      3,   3,  2,  2,  2,  3,  2,  2,
      2,   2,  2,  2,  2,  2,  2,  2,
      2,   2,  2,  2,  2,  2,  1,  1,
      2,   2,  1,  2,  1,  2,  2,  2,
      2,   2,  2,  1,  2,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  2,
      2,   1,  2,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,  1,  1,  1,  1,
      1,   1,  1,  1,
}

Definition at line 1325 of file wmadata.h.

levels4

const uint16_t levels4[70]

static

Initial value:

= {
    113, 68, 49, 42, 40, 32, 27, 15,
     10,  5,  3,  3,  3,  3,  2,  2,
      2,  2,  2,  1,  1,  1,  1,  1,
      1,  1,  1,  1,  1,  1,  1,  1,
      1,  1,  1,  1,  1,  1,  1,  1,
      1,  1,  1,  1,  1,  1,  1,  1,
      1,  1,  1,  1,  1,  1,  1,  1,
      1,  1,  1,  1,  1,  1,  1,  1,
      1,  1,  1,  1,  1,  1,
}

Definition at line 1351 of file wmadata.h.

levels5

const uint16_t levels5[40]

static

Initial value:

= {
    214, 72, 42, 40, 18, 4, 4, 2,
      2,  2,  2,  2,  1, 1, 2, 1,
      1,  1,  1,  1,  1, 1, 1, 1,
      1,  1,  1,  1,  1, 1, 1, 1,
      1,  1,  1,  1,  1, 1, 1, 1,
}

Definition at line 1363 of file wmadata.h.

coef_vlcs

const CoefVLCTable coef_vlcs[6]

static

Initial value:

= {
    { sizeof(coef0_huffbits), sizeof(levels0) / 2, coef0_huffcodes, coef0_huffbits, levels0, },
    { sizeof(coef1_huffbits), sizeof(levels1) / 2, coef1_huffcodes, coef1_huffbits, levels1, },
    { sizeof(coef2_huffbits), sizeof(levels2) / 2, coef2_huffcodes, coef2_huffbits, levels2, },
    { sizeof(coef3_huffbits), sizeof(levels3) / 2, coef3_huffcodes, coef3_huffbits, levels3, },
    { sizeof(coef4_huffbits), sizeof(levels4) / 2, coef4_huffcodes, coef4_huffbits, levels4, },
    { sizeof(coef5_huffbits), sizeof(levels5) / 2, coef5_huffcodes, coef5_huffbits, levels5, },
}

Definition at line 1371 of file wmadata.h.

Referenced by encode_block().