00001 /* 00002 * PNG image format 00003 * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu> 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #ifndef AVCODEC_PNGDSP_H 00023 #define AVCODEC_PNGDSP_H 00024 00025 #include <stdint.h> 00026 00027 typedef struct PNGDSPContext { 00028 void (*add_bytes_l2)(uint8_t *dst /* align 16 */, 00029 uint8_t *src1 /* align 16 */, 00030 uint8_t *src2 /* align 16 */, int w); 00031 00032 /* this might write to dst[w] */ 00033 void (*add_paeth_prediction)(uint8_t *dst, uint8_t *src, 00034 uint8_t *top, int w, int bpp); 00035 } PNGDSPContext; 00036 00037 void ff_pngdsp_init(PNGDSPContext *dsp); 00038 void ff_pngdsp_init_x86(PNGDSPContext *dsp); 00039 00040 #endif /* AVCDODEC_PNGDSP_H */
1.5.8