FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
pixblockdsp.h
Go to the documentation of this file.
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_PIXBLOCKDSP_H
20 #define AVCODEC_PIXBLOCKDSP_H
21 
22 #include <stdint.h>
23 
24 #include "config.h"
25 
26 #include "avcodec.h"
27 
28 typedef struct PixblockDSPContext {
29  void (*get_pixels)(int16_t *av_restrict block /* align 16 */,
30  const uint8_t *pixels /* align 8 */,
31  ptrdiff_t stride);
32  void (*diff_pixels)(int16_t *av_restrict block /* align 16 */,
33  const uint8_t *s1 /* align 8 */,
34  const uint8_t *s2 /* align 8 */,
35  ptrdiff_t stride);
36  void (*diff_pixels_unaligned)(int16_t *av_restrict block /* align 16 */,
37  const uint8_t *s1,
38  const uint8_t *s2,
39  ptrdiff_t stride);
40 
42 
45  unsigned high_bit_depth);
47  unsigned high_bit_depth);
49  unsigned high_bit_depth);
51  unsigned high_bit_depth);
53  unsigned high_bit_depth);
54 
55 #endif /* AVCODEC_PIXBLOCKDSP_H */
void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
Definition: pixblockdsp.c:81
static int16_t block[64]
Definition: dct.c:115
uint8_t
void(* diff_pixels)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition: pixblockdsp.h:32
void ff_pixblockdsp_init_alpha(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
#define s2
Definition: regdef.h:39
void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
void(* get_pixels)(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t stride)
Definition: pixblockdsp.h:29
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
#define s1
Definition: regdef.h:38
void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
Definition: pixblockdsp.c:265
static double c[64]
int pixels
Definition: avisynth_c.h:429
void(* diff_pixels_unaligned)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition: pixblockdsp.h:36
#define stride