pcap截包文件结构分析，将RTP视频数据提取出，可以分析码率，帧率，和丢包率-pcap file structure analysis cut-off

这也是一个语音通信的项目,语音那一块是封装过的,不过有源码,可以修改-This is a voice communications, voice, and that is one-off package, but there is source code, you can modify