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