.这里只做了对QCIF文件的解码； 2.本程序是纯C的，所以PPC上400M只能做到11FPS左右，不过我会用TCPMP/FFMPEG里面的汇编继续优化。-. Here only for decoding QCIF document 2. This procedure is a pure C, so the PPC can do 400M about 11FPS, but I will use TCPMP/FFMPEG inside will continue to optimize th