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ffmpeg-4.2.2/tests/checkasm/huffyuvdsp.c 2.5 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2016 Alexandra Hájková
   *
   * 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 "libavutil/common.h"
  #include "libavutil/intreadwrite.h"
  #include "libavutil/mem.h"
  
  #include "libavcodec/huffyuvdsp.h"
  
  #include "checkasm.h"
  
  #define randomize_buffers(buf, size)     \
      do {                                 \
          int j;                           \
          for (j = 0; j < size; j++)       \
              buf[j] = rnd() & 0xFFFF;       \
      } while (0)
  
  static void check_add_int16(HuffYUVDSPContext c, unsigned mask, int width, const char * name)
  {
      uint16_t *src0 = av_mallocz(width * sizeof(uint16_t));
      uint16_t *src1 = av_mallocz(width * sizeof(uint16_t));
      uint16_t *dst0 = av_mallocz(width * sizeof(uint16_t));
      uint16_t *dst1 = av_mallocz(width * sizeof(uint16_t));
  
      declare_func_emms(AV_CPU_FLAG_MMX, void, uint16_t *dst, uint16_t *src, unsigned mask, int w);
  
      if (!src0 || !src1 || !dst0 || !dst1)
          fail();
  
      randomize_buffers(src0, width);
      memcpy(src1, src0, width * sizeof(uint16_t));
  
      if (check_func(c.add_int16, "%s", name)) {
          call_ref(dst0, src0, mask, width);
          call_new(dst1, src1, mask, width);
          if (memcmp(dst0, dst1, width * sizeof(uint16_t)))
              fail();
          bench_new(dst1, src1, mask, width);
      }
  
      av_free(src0);
      av_free(src1);
      av_free(dst0);
      av_free(dst1);
  }
  
  void checkasm_check_huffyuvdsp(void)
  {
      HuffYUVDSPContext c;
      int width = 16 * av_clip(rnd(), 16, 128);
  
      ff_huffyuvdsp_init(&c, AV_PIX_FMT_YUV422P);
  
      /*! test width not multiple of mmsize */
      check_add_int16(c, 65535, width, "add_int16_rnd_width");
      report("add_int16_rnd_width");
  
      /*! test always with the same size (for perf test) */
      check_add_int16(c, 65535, 16*128, "add_int16_128");
      report("add_int16_128");
  }