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lossless_videodsp.h
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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 
28 #include "avcodec.h"
29 #include "libavutil/cpu.h"
30 
31 typedef struct LLVidDSPContext {
32  void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */,
33  ptrdiff_t w);
34  void (*add_median_pred)(uint8_t *dst, const uint8_t *top,
35  const uint8_t *diff, ptrdiff_t w,
36  int *left, int *left_top);
37  int (*add_left_pred)(uint8_t *dst, const uint8_t *src,
38  ptrdiff_t w, int left);
39 
40  int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src,
41  unsigned mask, ptrdiff_t w, unsigned left);
42  void (*add_gradient_pred)(uint8_t *src /* align 32 */, const ptrdiff_t stride, const ptrdiff_t width);
44 
45 void ff_llviddsp_init(LLVidDSPContext *llviddsp);
48 
49 #endif //AVCODEC_LOSSLESS_VIDEODSP_H
int(* add_left_pred_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned left)
void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp)
void ff_llviddsp_init(LLVidDSPContext *llviddsp)
#define src
Definition: vp8dsp.c:254
void(* add_bytes)(uint8_t *dst, uint8_t *src, ptrdiff_t w)
uint8_t
static const uint16_t mask[17]
Definition: lzw.c:38
uint16_t width
Definition: gdv.c:47
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp)
Libavcodec external API header.
void(* add_gradient_pred)(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width)
int
static av_always_inline int diff(const uint32_t a, const uint32_t b)
int(* add_left_pred)(uint8_t *dst, const uint8_t *src, ptrdiff_t w, int left)
#define stride
void(* add_median_pred)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, ptrdiff_t w, int *left, int *left_top)