v=0
o=- 0 0 IN IP4 0.0.0.0
s=zlmediakit_webrtc_session
i=zlmediakit_webrtc_session
t=0 0
c=IN IP4 0.0.0.0
a=msid-semantic: WMS *
a=group:BUNDLE 0 1
m=audio 0 UDP/TLS/RTP/SAVPF 111
a=mid:0
c=IN IP4 0.0.0.0
a=ice-ufrag:PdK3
a=ice-pwd:PdK31zZ1sKhPU2ACzP5av37f
a=fingerprint:sha-256 D1:4F:7B:70:86:99:BE:1E:7E:B8:C7:0F:13:BC:78:C4:6A:F9:2C:F6:F3:5E:42:11:0F:1C:74:18:F6:DD:95:75
a=setup:passive
a=ice-options:trickle
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=recvonly
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
m=video 0 UDP/TLS/RTP/SAVPF 102 121
a=mid:1
c=IN IP4 0.0.0.0
a=ice-ufrag:PdK3
a=ice-pwd:PdK31zZ1sKhPU2ACzP5av37f
a=fingerprint:sha-256 D1:4F:7B:70:86:99:BE:1E:7E:B8:C7:0F:13:BC:78:C4:6A:F9:2C:F6:F3:5E:42:11:0F:1C:74:18:F6:DD:95:75
a=setup:passive
a=ice-options:trickle
a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:13 urn:3gpp:video-orientation
a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=recvonly
a=rtcp-mux
a=rtpmap:102 H264/90000
a=rtcp-fb:102 goog-remb
a=rtcp-fb:102 transport-cc
a=rtcp-fb:102 ccm fir
a=rtcp-fb:102 nack
a=rtcp-fb:102 nack pli
a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=rtpmap:121 rtx/90000
a=fmtp:121 apt=102