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
28typedef struct LLVidDSPContext {
29    void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */,
30                      ptrdiff_t w);
31    void (*add_median_pred)(uint8_t *dst, const uint8_t *top,
32                            const uint8_t *diff, ptrdiff_t w,
33                            int *left, int *left_top);
34    int (*add_left_pred)(uint8_t *dst, const uint8_t *src,
35                         ptrdiff_t w, int left);
36
37    int  (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src,
38                                unsigned mask, ptrdiff_t w, unsigned left);
39    void (*add_gradient_pred)(uint8_t *src /* align 32 */, const ptrdiff_t stride, const ptrdiff_t width);
40} LLVidDSPContext;
41
42void ff_llviddsp_init(LLVidDSPContext *llviddsp);
43void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp);
44void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp);
45
46#endif //AVCODEC_LOSSLESS_VIDEODSP_H
47