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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);
  36. } HuffYUVEncDSPContext;
  37.  
  38. void ff_huffyuvencdsp_init(HuffYUVEncDSPContext *c);
  39. void ff_huffyuvencdsp_init_x86(HuffYUVEncDSPContext *c);
  40.  
  41. #endif /* AVCODEC_HUFFYUVENCDSP_H */
  42.