| 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 */ |