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adpcm_data.h
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1/*
2 * Copyright (c) 2001-2003 The FFmpeg project
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22 * @file
23 * ADPCM tables
24 */
25
26#ifndef AVCODEC_ADPCM_DATA_H
27#define AVCODEC_ADPCM_DATA_H
28
29#include <stdint.h>
30
31static const uint8_t ff_adpcm_ima_block_sizes[4] = { 4, 12, 4, 20 };
32static const uint8_t ff_adpcm_ima_block_samples[4] = { 16, 32, 8, 32 };
33
34extern const int8_t ff_adpcm_index_table[16];
35extern const int16_t ff_adpcm_step_table[89];
36extern const int16_t ff_adpcm_AdaptationTable[];
37extern const uint8_t ff_adpcm_AdaptCoeff1[];
38extern const int8_t ff_adpcm_AdaptCoeff2[];
39extern const int16_t ff_adpcm_yamaha_indexscale[];
40extern const int8_t ff_adpcm_yamaha_difflookup[];
41
42#endif /* AVCODEC_ADPCM_DATA_H */
const int8_t ff_adpcm_AdaptCoeff2[]
Divided by 4 to fit in 8-bit integers.
Definition adpcm_data.c:65
const int8_t ff_adpcm_index_table[16]
Definition adpcm_data.c:30
const int8_t ff_adpcm_yamaha_difflookup[]
Definition adpcm_data.c:74
const int16_t ff_adpcm_step_table[89]
This is the step table.
Definition adpcm_data.c:39
const uint8_t ff_adpcm_AdaptCoeff1[]
Divided by 4 to fit in 8-bit integers.
Definition adpcm_data.c:60
const int16_t ff_adpcm_yamaha_indexscale[]
Definition adpcm_data.c:69
const int16_t ff_adpcm_AdaptationTable[]
Definition adpcm_data.c:54
static const uint8_t ff_adpcm_ima_block_sizes[4]
Definition adpcm_data.h:31
static const uint8_t ff_adpcm_ima_block_samples[4]
Definition adpcm_data.h:32