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ffmpeg-4.2.2/libavutil/tests/md5.c 1.57 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 Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 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
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser 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 <stdint.h>
  #include <stdio.h>
  
  #include "libavutil/md5.h"
  
  static void print_md5(uint8_t *md5)
  {
      int i;
      for (i = 0; i < 16; i++)
          printf("%02x", md5[i]);
      printf("\n");
  }
  
  int main(void)
  {
      uint8_t md5val[16];
      int i;
      volatile uint8_t in[1000]; // volatile to workaround http://llvm.org/bugs/show_bug.cgi?id=20849
      // FIXME remove volatile once it has been fixed and all fate clients are updated
  
      for (i = 0; i < 1000; i++)
          in[i] = i * i;
      av_md5_sum(md5val, in, 1000);
      print_md5(md5val);
      av_md5_sum(md5val, in, 63);
      print_md5(md5val);
      av_md5_sum(md5val, in, 64);
      print_md5(md5val);
      av_md5_sum(md5val, in, 65);
      print_md5(md5val);
      for (i = 0; i < 1000; i++)
          in[i] = i % 127;
      av_md5_sum(md5val, in, 999);
      print_md5(md5val);
  
      return 0;
  }