blob: 5475d0d94332499bda951c3051f79cf713ca28d9
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 { |
28 | void (*add_bytes_l2)(uint8_t *dst, |
29 | uint8_t *src1 /* align 16 */, |
30 | uint8_t *src2, int w); |
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 /* AVCODEC_PNGDSP_H */ |
41 |