1/*
2 * This file is part of FFmpeg.
3 *
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.
8 *
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.
13 *
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
17 */
18
19#ifndef AVCODEC_LOSSLESS_VIDEOENCDSP_H
20#define AVCODEC_LOSSLESS_VIDEOENCDSP_H
21
22#include <stddef.h>
23#include <stdint.h>
24
25typedef struct LLVidEncDSPContext {
26    void (*diff_bytes)(uint8_t *dst /* align 16 */,
27                       const uint8_t *src1 /* align 16 */,
28                       const uint8_t *src2 /* align 1 */,
29                       intptr_t w);
30    /**
31     * Subtract HuffYUV's variant of median prediction.
32     * Note, this might read from src1[-1], src2[-1].
33     */
34    void (*sub_median_pred)(uint8_t *dst, const uint8_t *src1,
35                            const uint8_t *src2, intptr_t w,
36                            int *left, int *left_top);
37
38    void (*sub_left_predict)(uint8_t *dst, uint8_t *src,
39                          ptrdiff_t stride, ptrdiff_t width, int height);
40} LLVidEncDSPContext;
41
42void ff_llvidencdsp_init(LLVidEncDSPContext *c);
43void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c);
44
45#endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */
46