m=video 8000 RTP/AVP 96 a=rtpmap:96 H264 a=framerate:15 a=control:track1 c=IN IP4 127.0.0.1 m=audio 6000 RTP/AVP 97 c=IN IP4 127.0.0.1 a=rtpmap:97 mpeg4-generic/44100/2 a=control:track2
