libavfilter/vf_nlmeans.h

   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 AVFILTER_NLMEANS_H
  20 #define AVFILTER_NLMEANS_H
  21
  22 #include <stddef.h>
  23 #include <stdint.h>
  24
  25 typedef struct NLMeansDSPContext {
  26     void (*compute_safe_ssd_integral_image)(uint32_t *dst, ptrdiff_t dst_linesize_32,
  27                                             const uint8_t *s1, ptrdiff_t linesize1,
  28                                             const uint8_t *s2, ptrdiff_t linesize2,
  29                                             int w, int h);
  30     void (*compute_weights_line)(const uint32_t *const iia,
  31                                  const uint32_t *const iib,
  32                                  const uint32_t *const iid,
  33                                  const uint32_t *const iie,
  34                                  const uint8_t *const src,
  35                                  float *total_weight,
  36                                  float *sum,
  37                                  const float *const weight_lut,
  38                                  int max_meaningful_diff,
  39                                  int startx, int endx);
  40 } NLMeansDSPContext;
  41
  42 void ff_nlmeans_init_aarch64(NLMeansDSPContext *dsp);
  43 void ff_nlmeans_init_x86(NLMeansDSPContext *dsp);
  44
  45 #endif /* AVFILTER_NLMEANS_H */