1 2 3 4 5 6 7 8
v=0 o=- 4294967296 2 IN IP4 127.0.0.1 s= c=IN IP4 198.51.100.7 t=0 0 m=video 56436 RTP/SAVPF 120 b=CT:1000 a=rtpmap:120 VP8/90000