blob: 420ed92f763bb1432f1f7ad0ac5c73e5cc5d191b
| 1 | /* |
| 2 | * Canopus HQ/HQA decoder |
| 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 | * HQ/HQA variant of AAN IDCT |
| 24 | * It differs from the standard AAN IDCT in precision and in the second stage. |
| 25 | */ |
| 26 | |
| 27 | #ifndef AVCODEC_HQ_HQADSP_H |
| 28 | #define AVCODEC_HQ_HQADSP_H |
| 29 | |
| 30 | #include <stdint.h> |
| 31 | |
| 32 | typedef struct HQDSPContext { |
| 33 | void (*idct_put)(uint8_t *dst, int stride, int16_t *block); |
| 34 | } HQDSPContext; |
| 35 | |
| 36 | void ff_hqdsp_init(HQDSPContext *c); |
| 37 | |
| 38 | #endif /* AVCODEC_HQ_HQADSP_H */ |
| 39 |