,把代码的主线已经分析了出来,对代码中几个最难理解的地方(最难理解的地方就是帧的类型的判定,参考帧是如何管理的,一个16*16的块是采用到底需不需要分割,分割的话分成什么大小的,子块又采用何种预测方式,这些实际上就是整个编码的主线.)-, Put the main line of code has already been analyzed by the code in some places the hardest to understand (the hardest to understan

采用循环首次适应算法进行内存块的分配和回收，同时显示内存块分配和回收后空闲内存分区链的情况。-First-fit algorithm using cyclic block of memory allocation and recovery, also showed the recovered memory block allocation and free memory partition chain of circumstances.