3 * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_PNGDSP_H
23 #define AVCODEC_PNGDSP_H
27 typedef struct PNGDSPContext {
28 void (*add_bytes_l2)(uint8_t *dst,
29 uint8_t *src1 /* align 16 */,
30 uint8_t *src2, int w);
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);
37 void ff_pngdsp_init(PNGDSPContext *dsp);
38 void ff_pngdsp_init_x86(PNGDSPContext *dsp);
40 #endif /* AVCODEC_PNGDSP_H */