yading@10: /*
yading@10:  * PNG image format
yading@10:  * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_PNGDSP_H
yading@10: #define AVCODEC_PNGDSP_H
yading@10: 
yading@10: #include <stdint.h>
yading@10: 
yading@10: typedef struct PNGDSPContext {
yading@10:     void (*add_bytes_l2)(uint8_t *dst  /* align 16 */,
yading@10:                          uint8_t *src1 /* align 16 */,
yading@10:                          uint8_t *src2 /* align 16 */, int w);
yading@10: 
yading@10:     /* this might write to dst[w] */
yading@10:     void (*add_paeth_prediction)(uint8_t *dst, uint8_t *src,
yading@10:                                  uint8_t *top, int w, int bpp);
yading@10: } PNGDSPContext;
yading@10: 
yading@10: void ff_pngdsp_init(PNGDSPContext *dsp);
yading@10: void ff_pngdsp_init_x86(PNGDSPContext *dsp);
yading@10: 
yading@10: #endif /* AVCDODEC_PNGDSP_H */