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huffyuvencdsp.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_HUFFYUVENCDSP_H
20 #define AVCODEC_HUFFYUVENCDSP_H
21 
22 #include <stdint.h>
23 
24 typedef struct HuffYUVEncDSPContext {
25  void (*diff_bytes)(uint8_t *dst /* align 16 */,
26  const uint8_t *src1 /* align 16 */,
27  const uint8_t *src2 /* align 1 */,
28  int w);
29  /**
30  * Subtract HuffYUV's variant of median prediction.
31  * Note, this might read from src1[-1], src2[-1].
32  */
33  void (*sub_hfyu_median_pred)(uint8_t *dst, const uint8_t *src1,
34  const uint8_t *src2, int w,
35  int *left, int *left_top);
37 
40 
41 #endif /* AVCODEC_HUFFYUVENCDSP_H */