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ffmpeg-4.2.2/tests/checkasm/vf_threshold.c 2.96 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/threshold.h"
  #include "libavutil/intreadwrite.h"
  
  #define WIDTH 256
  #define WIDTH_PADDED 256 + 32
  
  #define randomize_buffers(buf, size)     \
      do {                                 \
         int j;                            \
         uint8_t *tmp_buf = (uint8_t *)buf;\
         for (j = 0; j < size; j++)        \
             tmp_buf[j] = rnd() & 0xFF;    \
      } while (0)
  
  static void check_threshold(int depth){
      LOCAL_ALIGNED_32(uint8_t, in       , [WIDTH_PADDED]);
      LOCAL_ALIGNED_32(uint8_t, threshold, [WIDTH_PADDED]);
      LOCAL_ALIGNED_32(uint8_t, min      , [WIDTH_PADDED]);
      LOCAL_ALIGNED_32(uint8_t, max      , [WIDTH_PADDED]);
      LOCAL_ALIGNED_32(uint8_t, out_ref  , [WIDTH_PADDED]);
      LOCAL_ALIGNED_32(uint8_t, out_new  , [WIDTH_PADDED]);
      ptrdiff_t line_size = WIDTH_PADDED;
      int w = WIDTH;
  
      declare_func(void, const uint8_t *in, const uint8_t *threshold,
                   const uint8_t *min, const uint8_t *max, uint8_t *out,
                   ptrdiff_t ilinesize, ptrdiff_t tlinesize,
                   ptrdiff_t flinesize, ptrdiff_t slinesize,
                   ptrdiff_t olinesize, int w, int h);
  
      ThresholdContext s;
      s.depth = depth;
      ff_threshold_init(&s);
  
      memset(in,     0, WIDTH_PADDED);
      memset(threshold, 0, WIDTH_PADDED);
      memset(min, 0, WIDTH_PADDED);
      memset(max, 0, WIDTH_PADDED);
      memset(out_ref, 0, WIDTH_PADDED);
      memset(out_new, 0, WIDTH_PADDED);
      randomize_buffers(in, WIDTH);
      randomize_buffers(threshold, WIDTH);
      randomize_buffers(min, WIDTH);
      randomize_buffers(max, WIDTH);
  
      if (depth == 16)
          w /= 2;
  
      if (check_func(s.threshold, "threshold%d", depth)) {
          call_ref(in, threshold, min, max, out_ref, line_size, line_size, line_size, line_size, line_size, w, 1);
          call_new(in, threshold, min, max, out_new, line_size, line_size, line_size, line_size, line_size, w, 1);
          if (memcmp(out_ref, out_new, WIDTH))
              fail();
          bench_new(in, threshold, min, max, out_new, line_size, line_size, line_size, line_size, line_size, w, 1);
      }
  }
  
  void checkasm_check_vf_threshold(void)
  {
      check_threshold(8);
      report("threshold8");
  
      check_threshold(16);
      report("threshold16");
  }