Byron --
Running through the testcase they put up for us, I get this for the SDP
that does not work:
Local SDP
v=0
o=mozilla...THIS_IS_SDPARTA-44.0 1351892368469534143 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
01:BA:26:1A:61:1A:64:45:08:D4:48:5F:F7:D7:7E:FF:EB:0A:B0:16:27:E7:80:D9:0F:96:D6:FE:65:60:E4:84
a=group:BUNDLE sdparta_0 sdparta_1
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 61733 UDP/TLS/RTP/SAVPF 109 9 0 8
c=IN IP4 99.152.145.110
a=candidate:0 1 UDP 2122252543 172.17.0.2 61733 typ host
a=candidate:2 1 UDP 2122187007 192.168.2.1 55828 typ host
a=candidate:0 2 UDP 2122252542 172.17.0.2 61942 typ host
a=candidate:2 2 UDP 2122187006 192.168.2.1 50044 typ host
a=candidate:1 1 UDP 1686052863 99.152.145.110 61733 typ srflx raddr
172.17.0.2 rport 61733
a=candidate:1 2 UDP 1686052862 99.152.145.110 61942 typ srflx raddr
172.17.0.2 rport 61942
a=sendrecv
a=end-of-candidates
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=ice-pwd:2633a47c2d3522a7d36a442df338b276
a=ice-ufrag:49068820
a=mid:sdparta_0
a=msid:{01466a0a-f1cc-bb41-8308-ad4611f90774}
{88c4d5c1-8d8e-4747-8dce-3fb5eec337e3}
a=rtcp:61942 IN IP4 99.152.145.110
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:9 G722/8000/1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=setup:actpass
a=ssrc:3002933469 cname:{a7df74f5-d65f-b243-a1e8-7996e388e70c}
m=video 54139 UDP/TLS/RTP/SAVPF 120 126 97
c=IN IP4 99.152.145.110
a=candidate:0 1 UDP 2122252543 172.17.0.2 54139 typ host
a=candidate:2 1 UDP 2122187007 192.168.2.1 61350 typ host
a=candidate:0 2 UDP 2122252542 172.17.0.2 52337 typ host
a=candidate:2 2 UDP 2122187006 192.168.2.1 65496 typ host
a=candidate:1 1 UDP 1686052863 99.152.145.110 54139 typ srflx raddr
172.17.0.2 rport 54139
a=candidate:1 2 UDP 1686052862 99.152.145.110 52337 typ srflx raddr
172.17.0.2 rport 52337
a=sendrecv
a=end-of-candidates
a=fmtp:126
profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1
a=fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1
a=fmtp:120 max-fs=12288;max-fr=60
a=ice-pwd:2633a47c2d3522a7d36a442df338b276
a=ice-ufrag:49068820
a=mid:sdparta_1
a=msid:{01466a0a-f1cc-bb41-8308-ad4611f90774}
{c6d9add3-9057-ca4a-9c25-15a4b10a9885}
a=rtcp:52337 IN IP4 99.152.145.110
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:126 nack
a=rtcp-fb:126 nack pli
a=rtcp-fb:126 ccm fir
a=rtcp-fb:97 nack
a=rtcp-fb:97 nack pli
a=rtcp-fb:97 ccm fir
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:126 H264/90000
a=rtpmap:97 H264/90000
a=setup:actpass
a=ssrc:2343910383 cname:{a7df74f5-d65f-b243-a1e8-7996e388e70c}
Remote SDP
v=0
o=tandberg 0 1 IN IP4 194.94.69.142
s=-
t=0 0
a=sendrecv
a=group:BUNDLE sdparta_0 sdparta_1
a=msid-semantic:WMS janus
m=audio 1 RTP/SAVPF 9 8 0
c=IN IP4 194.94.69.142
b=AS:64000
a=candidate:1 1 udp 2013266431 194.94.69.142 51547 typ host
a=sendrecv
a=fingerprint:sha-256
D2:B9:31:8F:DF:24:D8:0E:ED:D2:EF:25:9E:AF:6F:B8:34:AE:53:9C:E6:F3:8F:F2:64:15:FA:E8:7F:53:2D:38
a=ice-options:trickle
a=ice-pwd:6UlnDoxLo/Z+f/WRRNsxtw
a=ice-ufrag:r1+W
a=mid:sdparta_0
a=rtcp-mux
a=rtpmap:9 G722/8000/1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=setup:active
a=ssrc:1928289623 cname:janusaudio
a=ssrc:1928289623 msid:janus janusa0
a=ssrc:1928289623 mslabel:janus
a=ssrc:1928289623 label:janusa0
m=video 1 RTP/SAVPF 97 126
c=IN IP4 194.94.69.142
b=AS:4000000
a=candidate:1 1 udp 2013266431 194.94.69.142 51547 typ host
a=sendrecv
a=fingerprint:sha-256
D2:B9:31:8F:DF:24:D8:0E:ED:D2:EF:25:9E:AF:6F:B8:34:AE:53:9C:E6:F3:8F:F2:64:15:FA:E8:7F:53:2D:38
a=fmtp:97
profile-level-id=420016;level-asymmetry-allowed=0;max-mbps=108000;max-fs=3840;max-dpb=5408
a=fmtp:126
profile-level-id=420016;level-asymmetry-allowed=0;packetization-mode=1;max-mbps=108000;max-fs=3840;max-dpb=5408
a=ice-options:trickle
a=ice-pwd:6UlnDoxLo/Z+f/WRRNsxtw
a=ice-ufrag:r1+W
a=label:11
a=mid:sdparta_1
a=rtcp-mux
a=rtpmap:97 H264/90000
a=rtpmap:126 H264/90000
a=setup:active
a=ssrc:659197214 cname:janusvideo
a=ssrc:659197214 msid:janus janusv0
a=ssrc:659197214 mslabel:janus
a=ssrc:659197214 label:janusv0
On 1/27/16 14:58, Byron Campen wrote:
Can you send the full SDP?
Best regards,
Byron Campen
On 1/27/16 12:53 PM, Christian wrote:
Hi,
We are trying to analyze a problem with a RTCPeerConnection between
Firefox 44.0 and a Cisco 8520 MCU (connected via the Janus WebRTC
Gateway (https://github.com/meetecho/janus-gateway)). Unfortunately,
we've got stuck. :(
Problem description: The remote SDP gets accepted by Firefox, but no
video is playing.
local SDP:
[...]
a=fmtp:126
profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1
a=fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1
[...]
remote SDP:
[...]
a=fmtp:97
profile-level-id=420016;level-asymmetry-allowed=0;max-mbps=108000;max-fs=3840;max-dpb=5408
a=fmtp:126
profile-level-id=420016;level-asymmetry-allowed=0;packetization-mode=1;max-mbps=108000;max-fs=3840;max-dpb=5408
[...]
Although the remote SDP gets accepted by RTCSessionDescription(),
there is no remote video playing in Firefox. We could not find any
error hint.
We have prepared a test case:
1. open https://janus.bfs.de/
2. select "Cisco MCU"
3. select "Connect"
In contrast to that a RTCPeerConnection between Firefox and an
OpenMCU-ru installation works flawlessly (same gateway, same
JavaScript code):
1. open https://janus.bfs.de/
2. select "Open MCU"
3. select "Connect"
We have worked hard on this problem for several days now, but we
could not figure out what is going wrong. We would really appreciate
your advice, how to track down and fix this problem.
Many thanks in advance and best regards,
Christian
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--
Adam Roach
Principal Platform Engineer
Office of the CTO
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