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ffmpeg-4.2.2/tests/checkasm/vf_gblur.c 2.02 KB
aac5773f   hucm   功能基本完成,接口待打磨
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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 General Public License as published by
   * the Free Software Foundation; either version 2 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 General Public License for more details.
   *
   * You should have received a copy of the GNU 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.
   */
  
  #include <string.h>
  #include "checkasm.h"
  #include "libavfilter/gblur.h"
  
  #define WIDTH 256
  #define HEIGHT 256
  #define PIXELS (WIDTH * HEIGHT)
  #define BUF_SIZE (PIXELS * 4)
  
  #define randomize_buffers(buf, size)             \
      do {                                         \
          int j;                                   \
          float *tmp_buf = (float *)buf;           \
          for (j = 0; j < size; j++)               \
              tmp_buf[j] = (float)(rnd() & 0xFF); \
      } while (0)
  
  void checkasm_check_vf_gblur(void)
  {
      float *dst_ref = av_malloc(BUF_SIZE);
      float *dst_new = av_malloc(BUF_SIZE);
      int w = WIDTH;
      int h = HEIGHT;
      int steps = 2;
      float nu = 0.101f;
      float bscale = 1.112f;
      GBlurContext s;
  
      declare_func(void, float *dst, int w, int h, int steps, float nu, float bscale);
  
      randomize_buffers(dst_ref, PIXELS);
      memcpy(dst_new, dst_ref, BUF_SIZE);
  
      ff_gblur_init(&s);
  
      if (check_func(s.horiz_slice, "horiz_slice")) {
          call_ref(dst_ref, w, h, steps, nu, bscale);
          call_new(dst_new, w, h, steps, nu, bscale);
  
          if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
              fail();
          }
          bench_new(dst_new, w, h, 1, nu, bscale);
      }
      report("horiz_slice");
      av_freep(&dst_ref);
      av_freep(&dst_new);
  }