Standard C++ and berkeley standard socket storehouse are used to finish the encapsulation of RTP/RTCP agreement and UDP socket. This subsystem does not depend on the concrete platform so it has good portability.

• 对于RTP/RTCP协议的封装和UDPSocket使用标准C++和Berkeley标准Socket库完成,不依赖于具体的平台,具有良好的可移植性。