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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 <stdint.h>
23 
24 #include "avcodec.h"
25 #include "version.h"
26 
27 /* add and put pixel (decoding)
28  * Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16.
29  * h for op_pixels_func is limited to { width / 2, width },
30  * but never larger than 16 and never smaller than 4. */
31 typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */,
32  uint8_t value, int line_size, int h);
33 
34 typedef struct BlockDSPContext {
35  void (*clear_block)(int16_t *block /* align 16 */);
36  void (*clear_blocks)(int16_t *blocks /* align 16 */);
37 
40 
42 
43 void ff_blockdsp_init_alpha(BlockDSPContext *c, unsigned high_bit_depth);
44 void ff_blockdsp_init_arm(BlockDSPContext *c, unsigned high_bit_depth);
45 void ff_blockdsp_init_ppc(BlockDSPContext *c, unsigned high_bit_depth);
46 #if FF_API_XVMC
47 void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth,
48  AVCodecContext *avctx);
49 #else
50 void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth);
51 #endif /* FF_API_XVMC */
52 
53 #endif /* AVCODEC_BLOCKDSP_H */