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ffmpeg-4.2.2/tests/checkasm/blockdsp.c 2.41 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2015 Henrik Gramner
   *
   * 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 "libavcodec/blockdsp.h"
  
  #include "libavutil/common.h"
  #include "libavutil/internal.h"
  #include "libavutil/intreadwrite.h"
  
  #define randomize_buffers(size)             \
      do {                                    \
          int i;                              \
          for (i = 0; i < size; i++) {        \
              uint16_t r = rnd();             \
              AV_WN16A(buf0 + i, r);          \
              AV_WN16A(buf1 + i, r);          \
          }                                   \
      } while (0)
  
  #define check_clear(func, size)                                     \
  do {                                                                \
      if (check_func(h.func, "blockdsp." #func)) {                    \
          declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *block);   \
          randomize_buffers(size);                                    \
          call_ref(buf0);                                             \
          call_new(buf1);                                             \
          if (memcmp(buf0, buf1, sizeof(*buf0) * size))               \
              fail();                                                 \
          bench_new(buf0);                                            \
      }                                                               \
  } while (0)
  
  void checkasm_check_blockdsp(void)
  {
      LOCAL_ALIGNED_32(uint16_t, buf0, [6 * 8 * 8]);
      LOCAL_ALIGNED_32(uint16_t, buf1, [6 * 8 * 8]);
  
      AVCodecContext avctx = { 0 };
      BlockDSPContext h;
  
      ff_blockdsp_init(&h, &avctx);
  
      check_clear(clear_block,  8 * 8);
      check_clear(clear_blocks, 8 * 8 * 6);
  
      report("blockdsp");
  }