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blockdsp.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_BLOCKDSP_H
20 #define AVCODEC_BLOCKDSP_H
21 
22 #include <stddef.h>
23 #include <stdint.h>
24 
25 #include "avcodec.h"
26 #include "version.h"
27 
28 /* add and put pixel (decoding)
29  * Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16.
30  * h for op_pixels_func is limited to { width / 2, width },
31  * but never larger than 16 and never smaller than 4. */
32 typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */,
33  uint8_t value, ptrdiff_t line_size, int h);
34 
35 typedef struct BlockDSPContext {
36  void (*clear_block)(int16_t *block /* align 32 */);
37  void (*clear_blocks)(int16_t *blocks /* align 32 */);
38 
41 
43 
49 
50 #endif /* AVCODEC_BLOCKDSP_H */
void ff_blockdsp_init_ppc(BlockDSPContext *c)
Definition: blockdsp.c:145
void(* clear_block)(int16_t *block)
Definition: blockdsp.h:36
void(* clear_blocks)(int16_t *blocks)
Definition: blockdsp.h:37
void ff_blockdsp_init_alpha(BlockDSPContext *c)
static int16_t block[64]
Definition: dct.c:115
uint8_t
void(* op_fill_func)(uint8_t *block, uint8_t value, ptrdiff_t line_size, int h)
Definition: blockdsp.h:32
Libavcodec version macros.
void ff_blockdsp_init_x86(BlockDSPContext *c, AVCodecContext *avctx)
Definition: blockdsp_init.c:36
void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
Definition: blockdsp.c:60
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
void ff_blockdsp_init_mips(BlockDSPContext *c)
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
void ff_blockdsp_init_arm(BlockDSPContext *c)
static double c[64]
op_fill_func fill_block_tab[2]
Definition: blockdsp.h:39