svc encoder analysis and code flow for jsvm decoder

一个关于H.264 SVC解码器的C程序，相比于官方参考软件JSVM的解码器，解码效率大为提高。能够做到实时解码，编解码边播放，相信对相关的研究和开发人员会大有帮助-A new H.264 SVC decoder.The performance was largely improved compared to JSVM, the official reference software. It will be of great help to researchers and developers