Hi,
I am trying to make video call from chrome to linphone. So far the audio is ok,
but the video can not be displayed at both sides. From the wireshark packets I
captured, the chrome sends the VP8 packets to linphone, and linphone also sends
the VP8 packets to chrome. Not sure if this is VP8 encode/decode issue.
Any body can give me idea about this?
The video call is made from chrome to linphone through web server. The web
server combines the webrtc server and SIP message converter together. Chrome is
with version 19.0.1055.1, and linphone is with 3.5.0.
Below is the offer/answer negotiation, I only list the transport and codec for
video, a=crypto and other lines are not listed here,
chrome web server linphone
offer : m=video <port> RTP/SAVP 100
a=rtpmap:100 VP8/90000
<-----------------------
offer ' m=video 1 RTP/AVPF 100
a=rtpmap:100 VP8/0
<-----------------------
answer '
m=video 1 RTP/AVPF 100
a=rtpmap:100 VP8/0
----------------------->
answer
m=video <port> RTP/SAVP 100
a=rtpmap:100 VP8/90000
----------------------->
it would be highly appreciated if any body can give me help.
Best regards,
Jerry
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