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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_LOSSLESS_VIDEOENCDSP_H
#define AVCODEC_LOSSLESS_VIDEOENCDSP_H
#include <stddef.h>
#include <stdint.h>
typedef struct LLVidEncDSPContext {
void (*diff_bytes)(uint8_t *dst /* align 16 */,
const uint8_t *src1 /* align 16 */,
const uint8_t *src2 /* align 1 */,
intptr_t w);
/**
* Subtract HuffYUV's variant of median prediction.
* Note, this might read from src1[-1], src2[-1].
*/
void (*sub_median_pred)(uint8_t *dst, const uint8_t *src1,
const uint8_t *src2, intptr_t w,
int *left, int *left_top);
void (*sub_left_predict)(uint8_t *dst, uint8_t *src,
ptrdiff_t stride, ptrdiff_t width, int height);
} LLVidEncDSPContext;
void ff_llvidencdsp_init(LLVidEncDSPContext *c);
void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c);
#endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */
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