本技术文档是本人再学习过程中自己翻译理解后的总结。关于Socket、SIP、RTP、G729、ARM语音编解码、H263、H264视频编解码。包括理解，基本的内容和算法等等。-The technical documentation is a learning process, I no longer understand their own after the translation of the summary. On the Socket, SIP, RTP, G729, ARM voice

FFMPEG源码中解码H264部分的decode_frame函数的调用关系图，详细到每一个被调函数，以及被调函数的被吊函数等。学习FFMPEG解码流程很好的帮助文档。-FFMPEG source code decoding H264 part decode_frame function call graph, each one in detail to the called function, and the called function was hanging functions, etc.