这里不方便展开，大家也别花高价冤枉钱，可以留言直接领详细资料。不管是搭建方法还是网络环境不清楚的都欢迎来问我。An RTCRtpTransceiver is actually a pair of a single RTP sender and 1 RTP receiver which share an SDP mid attribute, which implies they share a similar SDP media m-line (symbolizing a bi