FFmpeg  4.0
lossless_videoencdsp.h
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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 <stdint.h>
23 
24 #include "avcodec.h"
25 
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 */,
30  intptr_t w);
31  /**
32  * Subtract HuffYUV's variant of median prediction.
33  * Note, this might read from src1[-1], src2[-1].
34  */
36  const uint8_t *src2, intptr_t w,
37  int *left, int *left_top);
38 
40  ptrdiff_t stride, ptrdiff_t width, int height);
42 
45 
46 #endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */
void ff_llvidencdsp_init(LLVidEncDSPContext *c)
#define src
Definition: vp8dsp.c:254
int stride
Definition: mace.c:144
uint8_t
void(* diff_bytes)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, intptr_t w)
void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c)
#define height
void(* sub_median_pred)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, intptr_t w, int *left, int *left_top)
Subtract HuffYUV&#39;s variant of median prediction.
uint16_t width
Definition: gdv.c:47
uint8_t w
Definition: llviddspenc.c:38
#define src1
Definition: h264pred.c:139
Libavcodec external API header.
typedef void(RENAME(mix_any_func_type))
static double c[64]
void(* sub_left_predict)(uint8_t *dst, uint8_t *src, ptrdiff_t stride, ptrdiff_t width, int height)