fopen操作视频yuv文件的一点实践经验

  当我试图打开并读写数据时，我一开始用的是fopen(yuvImageName,"r+");结果发现读出来的视频yuv文件，有很厉害的抖动和颜色的偏移。后来改成如下，即fopen(yuvImageName,"rb");形式就好了，难道一定要二进制存储吗？如果不是二进制，那存储的又是什么？

 

   pSrcImgCopy = pSrcImg.GetImage();  

   /*  orig = cvLoadImage(JPGImageName,CV_LOAD_IMAGE_GRAYSCALE);*/
   cvShowImage("orig video",pSrcImgCopy);

   FILE* yuvOutfile = fopen(yuvImageOutName,"wb");
   if(yuvOutfile == NULL)
    printf("cannot open file\n");
   copy_IplImage_to_yuvImage_color(pSrcImgCopy,output_img);
  
   fwrite(output_img,sizeof(unsigned char),frame_size.width*frame_size.height * 3/2,yuvOutfile);
   copy_yuvImage_to_IplImage_color(output_img,result);
   cvShowImage("outImage",result);

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 sprintf(yuvImageName,"E:/VehicleSequence/VS1_frames/frame%d",i);
  FILE* yuvInfile = fopen(yuvImageName,"rb");
  if(yuvInfile == NULL)
    printf("cannot open file\n");
  fread(input_img,sizeof(unsigned char),frame_size.width*frame_size.height * 3/2,yuvInfile);
  copy_yuvImage_to_IplImage_color(input_img,orig);
  cvShowImage("orig video",orig);
  cvWaitKey(20);
  fclose(yuvInfile);