blob: cecf0fe1e5186db6e5e0a491e53edaecdc25d7bc
| 1 | /* |
| 2 | * Lossless video DSP utils |
| 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 | #ifndef AVCODEC_LOSSLESS_VIDEODSP_H |
| 23 | #define AVCODEC_LOSSLESS_VIDEODSP_H |
| 24 | |
| 25 | #include <stdint.h> |
| 26 | #include <stddef.h> |
| 27 | |
| 28 | #include "avcodec.h" |
| 29 | #include "libavutil/cpu.h" |
| 30 | |
| 31 | typedef struct LLVidDSPContext { |
| 32 | void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */, |
| 33 | ptrdiff_t w); |
| 34 | void (*add_median_pred)(uint8_t *dst, const uint8_t *top, |
| 35 | const uint8_t *diff, ptrdiff_t w, |
| 36 | int *left, int *left_top); |
| 37 | int (*add_left_pred)(uint8_t *dst, const uint8_t *src, |
| 38 | ptrdiff_t w, int left); |
| 39 | |
| 40 | int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src, |
| 41 | unsigned mask, ptrdiff_t w, unsigned left); |
| 42 | } LLVidDSPContext; |
| 43 | |
| 44 | void ff_llviddsp_init(LLVidDSPContext *llviddsp); |
| 45 | void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp); |
| 46 | void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp); |
| 47 | |
| 48 | #endif //AVCODEC_LOSSLESS_VIDEODSP_H |
| 49 |