2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVCODEC_LOSSLESS_VIDEOENCDSP_H
20 #define AVCODEC_LOSSLESS_VIDEOENCDSP_H
26 typedef struct LLVidEncDSPContext {
27 void (*diff_bytes)(uint8_t *dst /* align 16 */,
28 const uint8_t *src1 /* align 16 */,
29 const uint8_t *src2 /* align 1 */,
32 * Subtract HuffYUV's variant of median prediction.
33 * Note, this might read from src1[-1], src2[-1].
35 void (*sub_median_pred)(uint8_t *dst, const uint8_t *src1,
36 const uint8_t *src2, intptr_t w,
37 int *left, int *left_top);
39 void (*sub_left_predict)(uint8_t *dst, uint8_t *src,
40 ptrdiff_t stride, ptrdiff_t width, int height);
43 void ff_llvidencdsp_init(LLVidEncDSPContext *c);
44 void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c);
46 #endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */