Hi guys,
I have problem with video channel DTLS starting. I'm implementing a WebRTC
client for mediaserver and I have to split currently multistreamed audio-video
stream into two one : audio and video (rtcpmux is untouched). Remote SDP is
completely artificially constructed from the signalling data, and Local SDP has
some tunes.
I deleted "BUNDLE sdparta0 sdparta1" from local SDP and played with the
fingerprint, moving its copies it to m-sections or staying at the head, but
this would not help me to see DTLS handshake in wireshark start for the video
channel. Audio one successfully completes and can be audible at the other peer
side (via the server).
ICE is OK for both audio and video channels, but the only packets for the video
port from Firefox side are STUN packets.
ICE Stats
Local Candidate Remote Candidate
ICE State Priority Nominated
Selected
192.168.125.51:56078/udp(host) 192.168.125.117:8000/udp(host) succeeded
9115005270299247000 true true
192.168.125.51:56080/udp(host) 192.168.125.117:9000/udp(host) succeeded
9115005270299247000 true true
Local SDP
---------
v=0
o=mozilla...THIS_IS_SDPARTA-42.0 4294967295 1 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
8F:44:84:04:74:85:1D:E8:10:74:5C:D9:3D:35:63:01:2A:EB:BF:94:49:49:FD:67:B7:7A:D0:6E:20:93:4B:45
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 56078 RTP/SAVPF 9
c=IN IP4 192.168.125.51
a=candidate:0 1 UDP 2122252543 192.168.125.51 56078 typ host
a=sendrecv
a=end-of-candidates
a=ice-pwd:dce998b58d2045f7e370f2f7b9e8d4ff
a=ice-ufrag:2c503432
a=mid:undefined-1177187807
a=msid:{5cdaf144-1d2f-4ea2-883f-579c5859fc64}
{8a515ed8-87bc-406e-81a5-bfc4162840ae}
a=rtcp-mux
a=rtpmap:9 G722/8000/1
a=setup:active
a=ssrc:723042249 cname:{06706f69-5b7d-4585-9ab5-25338f32449a}
m=video 56080 RTP/SAVPF 100
c=IN IP4 192.168.125.51
a=candidate:0 1 UDP 2122252543 192.168.125.51 56080 typ host
a=sendrecv
a=end-of-candidates
a=fmtp:100 max-fs=12288;max-fr=60
a=ice-pwd:dce998b58d2045f7e370f2f7b9e8d4ff
a=ice-ufrag:2c503432
a=mid:undefined-3424134592
a=msid:{5cdaf144-1d2f-4ea2-883f-579c5859fc64}
{ab860495-ac29-4a6e-b8f4-58f1633b42b8}
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-fb:100 ccm fir
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=setup:active
a=ssrc:1341182914 cname:{06706f69-5b7d-4585-9ab5-25338f32449a}
Remote SDP
----------
v=0
o=- 4294967295 2 IN IP4 192.67.4.14
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
2D:32:0E:E7:15:91:91:4B:10:B6:51:79:72:A3:75:F3:63:A3:35:1A:E0:54:17:D8:B8:72:1F:0D:09:B6:65:A9
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 1 RTP/SAVPF 117 116 9 8 0
c=IN IP4 192.168.125.117
a=sendrecv
a=fmtp:117
bitrate=56000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=fmtp:116
bitrate=48000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=ice-pwd:e32b5fd4dce7135872ed48229ef51959
a=ice-ufrag:b07b410c
a=mid:undefined-1177187807
a=msid:[email protected] MSTID-AUDIO-1177187807
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-mux
a=rtpmap:117 G722/16000/1
a=rtpmap:116 G722/16000/1
a=rtpmap:9 G722/8000/1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=setup:actpass
a=ssrc:1177187807 cname:NFfS647bAkZ8WTei
m=video 1 RTP/SAVPF 100 46
c=IN IP4 192.168.125.117
a=sendrecv
a=ice-pwd:e32b5fd4dce7135872ed48229ef51959
a=ice-ufrag:b07b410c
a=mid:undefined-3424134592
a=msid:[email protected] MSTID-VIDEO-3424134592
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=rtpmap:46 VP8-SVC/90000
a=setup:actpass
a=ssrc:3424134592 cname:NFfS647bAkZ8WTei
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