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1 | /* |
2 | * PNG image format | |
3 | * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu> | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #ifndef AVCODEC_PNGDSP_H | |
23 | #define AVCODEC_PNGDSP_H | |
24 | ||
25 | #include <stdint.h> | |
26 | ||
27 | typedef struct PNGDSPContext { | |
f6fa7814 | 28 | void (*add_bytes_l2)(uint8_t *dst, |
2ba45a60 | 29 | uint8_t *src1 /* align 16 */, |
f6fa7814 | 30 | uint8_t *src2, int w); |
2ba45a60 DM |
31 | |
32 | /* this might write to dst[w] */ | |
33 | void (*add_paeth_prediction)(uint8_t *dst, uint8_t *src, | |
34 | uint8_t *top, int w, int bpp); | |
35 | } PNGDSPContext; | |
36 | ||
37 | void ff_pngdsp_init(PNGDSPContext *dsp); | |
38 | void ff_pngdsp_init_x86(PNGDSPContext *dsp); | |
39 | ||
40 | #endif /* AVCDODEC_PNGDSP_H */ |