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  1. /*
  2.  * Copyright (c) 2015 Ronald S. Bultje <rsbultje@gmail.com>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifndef LIBAVFILTER_SSIM_H
  22. #define LIBAVFILTER_SSIM_H
  23.  
  24. #include <stddef.h>
  25. #include <stdint.h>
  26.  
  27. typedef struct SSIMDSPContext {
  28.     void (*ssim_4x4_line)(const uint8_t *buf, ptrdiff_t buf_stride,
  29.                           const uint8_t *ref, ptrdiff_t ref_stride,
  30.                           int (*sums)[4], int w);
  31.     float (*ssim_end_line)(const int (*sum0)[4], const int (*sum1)[4], int w);
  32. } SSIMDSPContext;
  33.  
  34. void ff_ssim_init_x86(SSIMDSPContext *dsp);
  35.  
  36. #endif /* LIBAVFILTER_SSIM_H */
  37.