非常好的源码，用于比较两个YUV文件从第几帧开始的第几个宏块的数据有哪些差别，在视频编解码器验证及CODING的时候是非常好用的工具。-very good source. YUV used to compare two documents from the first few frames beginning of the first few pieces of data-what difference Video codecs CODING certification and the time