本程序可以实现环路视频通话，并且选择使用VP8、OPENH264或X264作为编码器
This project can be used to conduct loopback video call, you can also choose to use OPENH264 or X264 as video codec besides VP8
张晖 Hui Zhang 中国传媒大学/数字电视技术 Communication University of China/ Digital Video Technology