| 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 /* align 16 */, |
| 29 | uint8_t *src1 /* align 16 */, |
| 30 | uint8_t *src2 /* align 16 */, 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 /* AVCDODEC_PNGDSP_H */ |