1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* Lossless video DSP utils
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_LOSSLESS_VIDEODSP_H
#define AVCODEC_LOSSLESS_VIDEODSP_H
#include <stdint.h>
#include <stddef.h>
typedef struct LLVidDSPContext {
void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */,
ptrdiff_t w);
void (*add_median_pred)(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, ptrdiff_t w,
int *left, int *left_top);
int (*add_left_pred)(uint8_t *dst, const uint8_t *src,
ptrdiff_t w, int left);
int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src,
unsigned mask, ptrdiff_t w, unsigned left);
void (*add_gradient_pred)(uint8_t *src /* align 32 */, const ptrdiff_t stride, const ptrdiff_t width);
} LLVidDSPContext;
void ff_llviddsp_init(LLVidDSPContext *llviddsp);
void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp);
void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp);
#endif //AVCODEC_LOSSLESS_VIDEODSP_H
|
