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ffmpeg/libavcodec/wmaprodata.h
Andreas Rheinhardt 232e88928e avcodec/wmaprodec: Use symbol table more efficiently 
By using a symbol table one can already bake in applying
a LUT on the return value of get_vlc2(). So change the
symbol table for the vec2 and vec4 tables to avoid
using the symbol_to_vec2/4 LUTs.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-09-07 00:07:45 +02:00

459 lines
24 KiB
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/*
* WMA 9/3/PRO compatible decoder
* Copyright (c) 2007 Baptiste Coudurier, Benjamin Larsson, Ulion
* Copyright (c) 2008 - 2009 Sascha Sommer
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @brief tables for wmapro decoding
*/
#ifndef AVCODEC_WMAPRODATA_H
#define AVCODEC_WMAPRODATA_H
#include <stddef.h>
#include <stdint.h>
/**
* @brief frequencies to divide the frequency spectrum into scale factor bands
*/
static const uint16_t critical_freq[] = {
100, 200, 300, 400, 510, 630, 770,
920, 1080, 1270, 1480, 1720, 2000, 2320,
2700, 3150, 3700, 4400, 5300, 6400, 7700,
9500, 12000, 15500, 20675, 28575, 41375, 63875,
};
/**
* @name Huffman tables for DPCM-coded scale factors
* @{
*/
#define HUFF_SCALE_SIZE 121
#define HUFF_SCALE_MAXBITS 19
static const uint8_t scale_table[HUFF_SCALE_SIZE][2] = {
{ 58, 5 }, { 64, 6 }, { 66, 7 }, { 65, 7 }, { 62, 5 },
{ 63, 6 }, { 68, 9 }, { 69, 10 }, { 54, 15 }, { 19, 19 },
{ 20, 19 }, { 21, 19 }, { 22, 19 }, { 23, 19 }, { 24, 19 },
{ 25, 19 }, { 26, 19 }, { 27, 19 }, { 28, 19 }, { 29, 19 },
{ 30, 19 }, { 31, 19 }, { 32, 19 }, { 33, 19 }, { 34, 19 },
{ 17, 19 }, { 36, 19 }, { 37, 19 }, { 38, 19 }, { 39, 19 },
{ 40, 19 }, { 41, 19 }, { 42, 19 }, { 43, 19 }, { 44, 19 },
{ 45, 19 }, { 46, 19 }, { 47, 19 }, { 48, 19 }, { 49, 19 },
{ 50, 19 }, { 51, 19 }, { 52, 19 }, { 15, 19 }, { 16, 19 },
{ 14, 19 }, { 13, 19 }, { 12, 19 }, { 11, 19 }, { 10, 19 },
{ 0, 19 }, { 9, 19 }, { 8, 19 }, { 7, 19 }, { 6, 19 },
{ 5, 19 }, { 4, 19 }, { 55, 13 }, { 70, 13 }, { 3, 19 },
{ 2, 19 }, { 1, 19 }, { 35, 19 }, { 71, 19 }, { 72, 19 },
{ 73, 19 }, { 74, 19 }, { 75, 19 }, { 76, 19 }, { 77, 19 },
{ 78, 19 }, { 79, 19 }, { 80, 19 }, { 81, 19 }, { 82, 19 },
{ 83, 19 }, { 84, 19 }, { 85, 19 }, { 86, 19 }, { 87, 19 },
{ 88, 19 }, { 89, 19 }, { 90, 19 }, { 91, 19 }, { 92, 19 },
{ 93, 19 }, { 94, 19 }, { 95, 19 }, { 96, 19 }, { 97, 19 },
{ 98, 19 }, { 99, 19 }, { 100, 19 }, { 101, 19 }, { 102, 19 },
{ 103, 19 }, { 104, 19 }, { 105, 19 }, { 106, 19 }, { 107, 19 },
{ 108, 19 }, { 109, 19 }, { 110, 19 }, { 111, 19 }, { 112, 19 },
{ 113, 19 }, { 114, 19 }, { 115, 19 }, { 116, 19 }, { 117, 19 },
{ 118, 19 }, { 119, 19 }, { 120, 19 }, { 18, 18 }, { 53, 16 },
{ 56, 11 }, { 57, 8 }, { 67, 7 }, { 61, 3 }, { 59, 2 },
{ 60, 1 },
};
/** @} */
/**
* @name Huffman, run and level tables for runlevel-coded scale factors
* @{
*/
#define HUFF_SCALE_RL_SIZE 120
#define HUFF_SCALE_RL_MAXBITS 21
static const uint8_t scale_rl_table[HUFF_SCALE_RL_SIZE][2] = {
{ 103, 7 }, { 80, 11 }, { 60, 11 }, { 18, 10 }, { 56, 10 },
{ 21, 12 }, { 90, 12 }, { 58, 11 }, { 27, 11 }, { 69, 12 },
{ 84, 15 }, { 48, 15 }, { 86, 14 }, { 47, 13 }, { 19, 10 },
{ 32, 9 }, { 78, 6 }, { 5, 5 }, { 28, 4 }, { 53, 5 },
{ 9, 7 }, { 31, 8 }, { 38, 8 }, { 10, 7 }, { 88, 11 },
{ 25, 12 }, { 105, 12 }, { 118, 11 }, { 23, 12 }, { 82, 14 },
{ 98, 16 }, { 110, 16 }, { 108, 15 }, { 93, 13 }, { 68, 10 },
{ 72, 12 }, { 97, 12 }, { 81, 12 }, { 42, 12 }, { 64, 8 },
{ 4, 4 }, { 1, 2 }, { 7, 6 }, { 14, 7 }, { 0, 9 },
{ 55, 9 }, { 61, 9 }, { 117, 10 }, { 24, 12 }, { 44, 12 },
{ 67, 12 }, { 70, 16 }, { 99, 18 }, { 96, 21 }, { 95, 21 },
{ 2, 21 }, { 77, 21 }, { 52, 21 }, { 111, 21 }, { 102, 20 },
{ 101, 17 }, { 46, 15 }, { 73, 15 }, { 109, 15 }, { 51, 14 },
{ 92, 14 }, { 30, 7 }, { 11, 7 }, { 66, 7 }, { 15, 8 },
{ 16, 8 }, { 116, 9 }, { 65, 9 }, { 57, 10 }, { 59, 10 },
{ 115, 9 }, { 12, 7 }, { 35, 9 }, { 17, 9 }, { 41, 9 },
{ 20, 11 }, { 91, 11 }, { 26, 12 }, { 75, 15 }, { 45, 15 },
{ 107, 14 }, { 83, 14 }, { 100, 15 }, { 89, 15 }, { 43, 11 },
{ 62, 9 }, { 37, 9 }, { 104, 8 }, { 6, 5 }, { 39, 8 },
{ 40, 9 }, { 34, 9 }, { 79, 7 }, { 8, 6 }, { 63, 6 },
{ 87, 12 }, { 94, 14 }, { 49, 14 }, { 50, 13 }, { 22, 11 },
{ 119, 10 }, { 33, 9 }, { 36, 9 }, { 113, 11 }, { 106, 12 },
{ 112, 13 }, { 71, 15 }, { 85, 15 }, { 74, 14 }, { 76, 10 },
{ 114, 7 }, { 29, 5 }, { 54, 6 }, { 13, 6 }, { 3, 2 },
};
static const uint8_t scale_rl_run[HUFF_SCALE_RL_SIZE] = {
0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 0, 1, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
0, 1, 0, 1, 0, 1,
};
static const uint8_t scale_rl_level[HUFF_SCALE_RL_SIZE] = {
0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 8, 8, 9, 9,
};
/** @} */
/**
* @name Huffman, run and level codes for runlevel-coded coefficients
* @{
*/
#define HUFF_COEF0_SIZE 272
#define HUFF_COEF0_MAXBITS 21
static const uint8_t coef0_lens[HUFF_COEF0_SIZE] = {
2, 9, 14, 14, 13, 12, 13, 14, 15, 15, 12, 10, 10, 10, 13, 14, 15, 15, 12,
11, 13, 14, 14, 13, 15, 15, 14, 12, 12, 8, 10, 10, 15, 15, 14, 13, 14, 14,
13, 15, 20, 20, 19, 21, 21, 20, 19, 17, 17, 18, 18, 15, 15, 13, 12, 14, 15,
15, 14, 15, 15, 12, 11, 6, 7, 8, 9, 13, 13, 13, 14, 14, 11, 10, 7, 8,
14, 14, 14, 14, 12, 13, 13, 12, 12, 12, 11, 9, 13, 14, 14, 12, 11, 11, 11,
9, 8, 7, 14, 15, 15, 14, 14, 12, 13, 15, 16, 17, 17, 14, 12, 12, 12, 15,
15, 14, 14, 14, 13, 13, 9, 9, 11, 11, 10, 7, 6, 13, 15, 15, 14, 14, 14,
13, 14, 15, 15, 13, 14, 14, 14, 14, 10, 9, 10, 10, 11, 11, 10, 8, 9, 13,
14, 14, 12, 11, 14, 15, 15, 13, 12, 14, 14, 14, 14, 13, 14, 14, 3, 5, 8,
10, 10, 15, 15, 14, 14, 16, 16, 15, 12, 11, 11, 11, 7, 8, 8, 9, 12, 13,
13, 12, 14, 15, 15, 13, 10, 11, 11, 13, 14, 14, 13, 14, 14, 11, 10, 13, 15,
15, 14, 12, 11, 4, 6, 6, 8, 12, 12, 12, 13, 13, 12, 13, 13, 14, 14, 13,
13, 13, 9, 7, 9, 11, 14, 14, 13, 14, 14, 13, 10, 8, 7, 5, 9, 12, 13,
14, 15, 15, 12, 12, 10, 14, 14, 13, 12, 13, 14, 14, 12, 13, 13, 12, 12, 12,
9, 7, 6, 3, 4, 4,
};
static const uint16_t coef0_syms[HUFF_COEF0_SIZE] = {
2, 25, 111, 94, 69, 58, 87, 93, 136, 135, 59, 37, 34, 36, 82,
182, 120, 138, 195, 45, 168, 216, 178, 86, 140, 219, 186, 162, 239, 18,
156, 35, 127, 236, 109, 85, 180, 253, 88, 147, 268, 264, 256, 266, 270,
262, 260, 248, 246, 252, 258, 137, 189, 230, 64, 179, 146, 208, 101, 118,
238, 163, 46, 9, 153, 0, 26, 247, 169, 76, 202, 131, 194, 38, 13,
19, 132, 106, 191, 97, 65, 198, 77, 62, 66, 164, 48, 27, 81, 183,
102, 60, 47, 49, 159, 227, 20, 14, 112, 263, 144, 217, 104, 63, 79,
209, 269, 250, 254, 203, 241, 196, 61, 220, 148, 124, 185, 100, 80, 78,
193, 28, 50, 235, 41, 1, 10, 171, 226, 150, 103, 114, 115, 170, 105,
211, 149, 249, 108, 188, 107, 255, 231, 155, 42, 40, 55, 160, 39, 21,
29, 215, 234, 184, 228, 51, 116, 142, 145, 172, 165, 181, 130, 113, 117,
89, 128, 204, 3, 7, 154, 157, 43, 141, 265, 133, 225, 271, 244, 221,
74, 54, 56, 52, 15, 222, 22, 30, 83, 199, 173, 73, 123, 210, 143,
175, 44, 53, 237, 174, 139, 134, 110, 218, 129, 161, 213, 177, 267, 151,
125, 67, 223, 5, 11, 192, 23, 214, 243, 166, 200, 176, 68, 224, 187,
257, 261, 232, 96, 251, 31, 16, 32, 57, 207, 121, 91, 126, 119, 99,
158, 24, 212, 8, 33, 70, 92, 205, 240, 242, 75, 197, 233, 259, 190,
98, 71, 201, 122, 206, 72, 90, 95, 84, 167, 245, 229, 17, 12, 4,
152, 6,
};
#define HUFF_COEF1_SIZE 244
#define HUFF_COEF1_MAXBITS 22
static const uint8_t coef1_table[HUFF_COEF1_SIZE][2] = {
{ 2, 2 }, { 3, 3 }, { 102, 3 }, { 4, 4 }, { 148, 6 },
{ 134, 9 }, { 171, 10 }, { 18, 10 }, { 11, 8 }, { 159, 8 },
{ 14, 9 }, { 156, 14 }, { 235, 15 }, { 61, 15 }, { 38, 13 },
{ 153, 13 }, { 48, 14 }, { 49, 14 }, { 23, 11 }, { 203, 13 },
{ 208, 19 }, { 204, 19 }, { 129, 18 }, { 94, 17 }, { 87, 16 },
{ 62, 15 }, { 174, 15 }, { 147, 15 }, { 29, 12 }, { 191, 12 },
{ 64, 15 }, { 65, 15 }, { 146, 14 }, { 164, 13 }, { 142, 5 },
{ 132, 4 }, { 103, 5 }, { 154, 7 }, { 165, 9 }, { 181, 11 },
{ 109, 12 }, { 30, 12 }, { 86, 16 }, { 92, 16 }, { 239, 15 },
{ 138, 14 }, { 39, 13 }, { 50, 14 }, { 115, 15 }, { 238, 21 },
{ 228, 21 }, { 236, 21 }, { 222, 21 }, { 216, 20 }, { 226, 20 },
{ 196, 18 }, { 192, 17 }, { 120, 16 }, { 221, 14 }, { 51, 14 },
{ 24, 11 }, { 143, 8 }, { 7, 6 }, { 9, 7 }, { 152, 10 },
{ 136, 12 }, { 160, 12 }, { 241, 15 }, { 66, 15 }, { 168, 14 },
{ 219, 14 }, { 113, 14 }, { 193, 12 }, { 19, 10 }, { 173, 10 },
{ 105, 8 }, { 149, 9 }, { 15, 9 }, { 205, 13 }, { 207, 13 },
{ 125, 17 }, { 190, 17 }, { 182, 16 }, { 68, 15 }, { 70, 15 },
{ 67, 15 }, { 137, 13 }, { 31, 12 }, { 223, 14 }, { 116, 15 },
{ 210, 19 }, { 220, 19 }, { 198, 18 }, { 126, 17 }, { 88, 16 },
{ 41, 13 }, { 25, 11 }, { 40, 13 }, { 73, 15 }, { 243, 15 },
{ 53, 14 }, { 195, 12 }, { 183, 11 }, { 225, 14 }, { 52, 14 },
{ 71, 15 }, { 121, 16 }, { 89, 16 }, { 170, 14 }, { 55, 14 },
{ 69, 15 }, { 83, 15 }, { 209, 13 }, { 108, 11 }, { 32, 12 },
{ 54, 14 }, { 122, 16 }, { 184, 16 }, { 176, 15 }, { 42, 13 },
{ 12, 8 }, { 161, 8 }, { 6, 5 }, { 167, 9 }, { 106, 9 },
{ 20, 10 }, { 145, 12 }, { 111, 13 }, { 43, 13 }, { 26, 11 },
{ 175, 10 }, { 107, 10 }, { 34, 12 }, { 33, 12 }, { 197, 12 },
{ 74, 15 }, { 128, 17 }, { 232, 20 }, { 212, 20 }, { 224, 19 },
{ 202, 18 }, { 90, 16 }, { 57, 14 }, { 227, 14 }, { 97, 16 },
{ 93, 16 }, { 140, 15 }, { 185, 11 }, { 27, 11 }, { 16, 9 },
{ 158, 11 }, { 211, 13 }, { 56, 14 }, { 117, 15 }, { 72, 15 },
{ 166, 13 }, { 91, 16 }, { 95, 16 }, { 80, 15 }, { 101, 16 },
{ 194, 17 }, { 127, 17 }, { 82, 15 }, { 21, 10 }, { 144, 10 },
{ 177, 10 }, { 151, 6 }, { 10, 7 }, { 157, 7 }, { 8, 6 },
{ 5, 4 }, { 13, 8 }, { 0, 9 }, { 213, 13 }, { 46, 13 },
{ 199, 12 }, { 35, 12 }, { 162, 12 }, { 135, 10 }, { 169, 9 },
{ 45, 13 }, { 59, 14 }, { 114, 14 }, { 44, 13 }, { 188, 16 },
{ 186, 16 }, { 75, 15 }, { 79, 15 }, { 118, 15 }, { 187, 11 },
{ 112, 13 }, { 139, 14 }, { 178, 15 }, { 81, 15 }, { 110, 12 },
{ 28, 11 }, { 163, 8 }, { 133, 6 }, { 104, 6 }, { 17, 9 },
{ 22, 10 }, { 229, 14 }, { 172, 14 }, { 217, 13 }, { 201, 12 },
{ 36, 12 }, { 218, 20 }, { 242, 22 }, { 240, 22 }, { 234, 21 },
{ 230, 19 }, { 206, 18 }, { 200, 18 }, { 214, 18 }, { 130, 17 },
{ 131, 17 }, { 141, 15 }, { 84, 15 }, { 76, 15 }, { 215, 13 },
{ 58, 14 }, { 231, 14 }, { 233, 14 }, { 180, 15 }, { 77, 15 },
{ 37, 12 }, { 189, 11 }, { 179, 10 }, { 155, 10 }, { 47, 13 },
{ 96, 16 }, { 99, 16 }, { 119, 15 }, { 63, 14 }, { 237, 14 },
{ 78, 15 }, { 85, 15 }, { 60, 14 }, { 98, 16 }, { 100, 16 },
{ 124, 16 }, { 123, 16 }, { 150, 11 }, { 1, 7 },
};
static const uint16_t coef0_run[HUFF_COEF0_SIZE] = {
0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81,
82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123,
124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 0, 1,
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 0, 1, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1,
2, 3, 4, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0,
};
static const float coef0_level[HUFF_COEF0_SIZE] = {
0, 0, 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, 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, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5,
5, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11,
11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18,
18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25,
25, 26, 26, 27, 27, 28,
};
static const uint16_t coef1_run[HUFF_COEF1_SIZE] = {
0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,
88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 0, 1, 2, 3, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1,
2, 3, 4, 5, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 0, 0,
};
static const float coef1_level[HUFF_COEF1_SIZE] = {
0, 0, 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, 1, 1, 1, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4,
4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, 10,
10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19,
19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37,
37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 46,
46, 47, 47, 48, 48, 49, 49, 50, 51, 52,
};
/** @} */
/**
* @name Huffman and vector lookup tables for vector-coded coefficients
* @{
*/
#define HUFF_VEC4_SIZE 127
#define HUFF_VEC4_MAXBITS 14
static const uint8_t vec4_lens[HUFF_VEC4_SIZE] = {
1, 6, 8, 10, 10, 10, 10, 8, 8, 10, 10, 9, 8, 8, 9, 12, 12, 11,
12, 12, 11, 9, 9, 8, 8, 9, 9, 8, 8, 9, 9, 12, 12, 12, 14, 14,
13, 11, 11, 9, 8, 9, 9, 11, 11, 10, 9, 8, 6, 6, 6, 6, 6, 6,
11, 11, 10, 11, 11, 10, 10, 11, 11, 9, 7, 6, 7, 7, 6, 6, 6, 5,
7, 11, 11, 10, 9, 8, 6, 9, 9, 10, 10, 9, 8, 8, 6, 6, 6, 8,
8, 9, 12, 12, 11, 10, 8, 8, 8, 10, 10, 10, 10, 9, 9, 8, 10, 11,
11, 9, 8, 8, 8, 9, 9, 10, 11, 12, 12, 9, 9, 9, 8, 8, 7, 7,
7,
};
/* The entry in the following table with symbol zero indicates
* that four further entries are coded explicitly; all other
* entries encode four numbers in the 0..15 range via
* the four nibbles of (symbol - 1). */
static const uint16_t vec4_syms[HUFF_VEC4_SIZE] = {
0, 4370, 275, 8195, 4146, 12545, 8225, 290, 4625, 515,
20, 8706, 8210, 4355, 4131, 16385, 5121, 8961, 321, 1041,
51, 4641, 546, 4610, 530, 513, 8451, 4385, 4130, 33,
8211, 5, 66, 4161, 1281, 81, 6, 801, 8196, 8481,
8449, 4611, 531, 561, 769, 12290, 8226, 19, 4097, 2,
4369, 274, 4354, 4114, 12291, 16641, 12305, 49, 12321, 260,
4100, 516, 21, 12546, 8466, 4353, 4371, 4626, 257, 18,
17, 1, 4386, 8241, 771, 4865, 8705, 8194, 4098, 12561,
276, 50, 785, 4116, 8209, 4099, 273, 4113, 258, 259,
4609, 35, 1026, 1025, 16401, 305, 34, 529, 289, 770,
12289, 4, 4145, 4356, 12306, 8193, 12801, 261, 16386, 4881,
3, 514, 4129, 545, 306, 36, 4101, 65, 20481, 786,
4401, 4866, 8721, 291, 8450, 8465, 4115,
};
#define HUFF_VEC2_SIZE 137
#define HUFF_VEC2_MAXBITS 12
/* The entry in the following table with symbol zero indicates
* that two further entries are coded explicitly; all other
* entries encode two numbers in the 0..15 range via
* (symbol - 1) & 0xF and (symbol - 1) >> 4. */
static const uint8_t vec2_table[HUFF_VEC2_SIZE][2] = {
{ 19, 5 }, { 165, 10 }, { 211, 11 }, { 46, 11 }, { 75, 10 },
{ 177, 11 }, { 12, 11 }, { 86, 8 }, { 83, 7 }, { 38, 7 },
{ 133, 9 }, { 178, 10 }, { 28, 10 }, { 104, 9 }, { 73, 9 },
{ 35, 5 }, { 52, 6 }, { 113, 9 }, { 8, 9 }, { 101, 8 },
{ 69, 7 }, { 0, 3 }, { 71, 8 }, { 119, 9 }, { 91, 10 },
{ 179, 10 }, { 114, 8 }, { 166, 10 }, { 10, 10 }, { 44, 10 },
{ 145, 10 }, { 66, 6 }, { 21, 6 }, { 24, 8 }, { 146, 9 },
{ 26, 9 }, { 65, 7 }, { 5, 7 }, { 226, 11 }, { 225, 12 },
{ 15, 12 }, { 180, 10 }, { 147, 9 }, { 115, 8 }, { 40, 8 },
{ 89, 9 }, { 134, 9 }, { 84, 7 }, { 54, 7 }, { 42, 9 },
{ 60, 10 }, { 31, 11 }, { 193, 11 }, { 181, 10 }, { 76, 10 },
{ 148, 9 }, { 37, 6 }, { 67, 6 }, { 33, 6 }, { 3, 6 },
{ 17, 6 }, { 2, 6 }, { 102, 8 }, { 87, 8 }, { 116, 8 },
{ 56, 8 }, { 50, 5 }, { 20, 5 }, { 120, 9 }, { 58, 9 },
{ 29, 10 }, { 194, 10 }, { 135, 9 }, { 97, 8 }, { 7, 8 },
{ 105, 9 }, { 13, 11 }, { 241, 12 }, { 16, 12 }, { 45, 10 },
{ 149, 9 }, { 74, 9 }, { 98, 7 }, { 23, 7 }, { 85, 7 },
{ 70, 7 }, { 195, 10 }, { 161, 10 }, { 129, 9 }, { 72, 8 },
{ 51, 5 }, { 36, 5 }, { 117, 8 }, { 61, 10 }, { 11, 10 },
{ 162, 9 }, { 1, 7 }, { 4, 6 }, { 49, 6 }, { 68, 6 },
{ 9, 9 }, { 27, 9 }, { 130, 8 }, { 39, 7 }, { 53, 6 },
{ 99, 7 }, { 25, 8 }, { 150, 9 }, { 90, 9 }, { 103, 8 },
{ 163, 9 }, { 196, 10 }, { 210, 10 }, { 136, 9 }, { 121, 9 },
{ 41, 8 }, { 131, 8 }, { 43, 9 }, { 164, 9 }, { 118, 8 },
{ 88, 8 }, { 81, 7 }, { 6, 7 }, { 55, 7 }, { 59, 9 },
{ 30, 10 }, { 209, 11 }, { 14, 11 }, { 151, 9 }, { 106, 9 },
{ 82, 6 }, { 22, 6 }, { 100, 7 }, { 132, 8 }, { 57, 8 },
{ 18, 4 }, { 34, 4 },
};
#define HUFF_VEC1_SIZE 101
#define HUFF_VEC1_MAXBITS 11
static const uint8_t vec1_table[HUFF_VEC1_SIZE][2] = {
{ 7, 5 }, { 32, 8 }, { 59, 10 }, { 60, 10 }, { 83, 11 },
{ 82, 11 }, { 62, 10 }, { 33, 8 }, { 45, 9 }, { 61, 10 },
{ 84, 11 }, { 85, 11 }, { 1, 6 }, { 13, 5 }, { 19, 6 },
{ 25, 7 }, { 34, 8 }, { 46, 9 }, { 47, 9 }, { 14, 5 },
{ 6, 5 }, { 64, 10 }, { 87, 11 }, { 86, 11 }, { 63, 10 },
{ 88, 11 }, { 90, 11 }, { 35, 8 }, { 26, 7 }, { 0, 7 },
{ 48, 9 }, { 65, 10 }, { 66, 10 }, { 36, 8 }, { 15, 5 },
{ 20, 6 }, { 91, 11 }, { 89, 11 }, { 67, 10 }, { 49, 9 },
{ 50, 9 }, { 69, 10 }, { 92, 11 }, { 93, 11 }, { 27, 7 },
{ 5, 5 }, { 37, 8 }, { 68, 10 }, { 71, 10 }, { 51, 9 },
{ 52, 9 }, { 70, 10 }, { 94, 11 }, { 96, 11 }, { 38, 8 },
{ 21, 6 }, { 16, 5 }, { 4, 5 }, { 28, 7 }, { 53, 9 },
{ 95, 11 }, { 97, 11 }, { 73, 10 }, { 39, 8 }, { 29, 7 },
{ 72, 10 }, { 98, 11 }, { 99, 11 }, { 54, 9 }, { 40, 8 },
{ 22, 6 }, { 30, 7 }, { 55, 9 }, { 74, 10 }, { 76, 10 },
{ 56, 9 }, { 75, 10 }, { 77, 10 }, { 17, 5 }, { 3, 5 },
{ 23, 6 }, { 41, 8 }, { 57, 9 }, { 78, 10 }, { 79, 10 },
{ 31, 7 }, { 10, 4 }, { 9, 4 }, { 100, 5 }, { 2, 5 },
{ 11, 4 }, { 8, 4 }, { 18, 5 }, { 42, 8 }, { 58, 9 },
{ 80, 10 }, { 81, 10 }, { 43, 8 }, { 44, 8 }, { 24, 6 },
{ 12, 4 },
};
/** @} */
/**
* @brief decorrelation matrix for multichannel streams
**/
static const float default_decorrelation_matrices[] = {
1.000000, 0.707031, -0.707031, 0.707031, 0.707031, 0.578125, 0.707031,
0.410156, 0.578125, -0.707031, 0.410156, 0.578125, 0.000000, -0.816406,
0.500000, 0.652344, 0.500000, 0.269531, 0.500000, 0.269531, -0.500000,
-0.652344, 0.500000, -0.269531, -0.500000, 0.652344, 0.500000, -0.652344,
0.500000, -0.269531, 0.445312, 0.601562, 0.511719, 0.371094, 0.195312,
0.445312, 0.371094, -0.195312, -0.601562, -0.511719, 0.445312, 0.000000,
-0.632812, 0.000000, 0.632812, 0.445312, -0.371094, -0.195312, 0.601562,
-0.511719, 0.445312, -0.601562, 0.511719, -0.371094, 0.195312, 0.410156,
0.558594, 0.500000, 0.410156, 0.289062, 0.148438, 0.410156, 0.410156,
0.000000, -0.410156, -0.578125, -0.410156, 0.410156, 0.148438, -0.500000,
-0.410156, 0.289062, 0.558594, 0.410156, -0.148438, -0.500000, 0.410156,
0.289062, -0.558594, 0.410156, -0.410156, 0.000000, 0.410156, -0.578125,
0.410156, 0.410156, -0.558594, 0.500000, -0.410156, 0.289062, -0.148438,
};
/**
* @brief default decorrelation matrix offsets
*/
static const float * const default_decorrelation[] = {
NULL,
&default_decorrelation_matrices[0],
&default_decorrelation_matrices[1],
&default_decorrelation_matrices[5],
&default_decorrelation_matrices[14],
&default_decorrelation_matrices[30],
&default_decorrelation_matrices[55]
};
#endif /* AVCODEC_WMAPRODATA_H */
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