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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 | ||
31 | static const uint8_t ff_adpcm_ima_block_sizes[4] = { 4, 12, 4, 20 }; | |
32 | static const uint8_t ff_adpcm_ima_block_samples[4] = { 16, 32, 8, 32 }; | |
33 | ||
34 | extern const int8_t * const ff_adpcm_index_tables[4]; | |
35 | extern const int8_t ff_adpcm_index_table[16]; | |
36 | extern const int16_t ff_adpcm_step_table[89]; | |
37 | extern const int16_t ff_adpcm_oki_step_table[49]; | |
38 | extern const int16_t ff_adpcm_AdaptationTable[]; | |
39 | extern const uint8_t ff_adpcm_AdaptCoeff1[]; | |
40 | extern const int8_t ff_adpcm_AdaptCoeff2[]; | |
41 | extern const int16_t ff_adpcm_yamaha_indexscale[]; | |
42 | extern const int8_t ff_adpcm_yamaha_difflookup[]; | |
43 | extern const int16_t ff_adpcm_afc_coeffs[2][16]; | |
44 | ||
45 | #endif /* AVCODEC_ADPCM_DATA_H */ |