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[Linphone-developers] Playing RTP stream using VLC

From: Faiz Ali
Subject: [Linphone-developers] Playing RTP stream using VLC
Date: Wed, 25 Jan 2017 02:24:05 -0600

Hi I am running linphone and for some known reason video doesn't playback. As a workaround i tried playing video on vlc using the SDP body of the caller. 

in INVITE SDP body of the caller :

o=roxane10 3454 3734 IN IP4
c=IN IP4
t=0 0
a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
m=audio 46660 RTP/AVPF 96 97 98 0 8 101 99 100
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1
a=rtpmap:97 speex/16000
a=fmtp:97 vbr=on
a=rtpmap:98 speex/8000
a=fmtp:98 vbr=on
a=rtpmap:101 telephone-event/48000
a=rtpmap:99 telephone-event/16000
a=rtpmap:100 telephone-event/8000
a=rtcp-fb:* trr-int 5000
m=video 14668 RTP/AVPF 96
a=rtpmap:96 VP8/90000
a=rtcp-fb:* trr-int 5000
a=rtcp-fb:96 nack pli
a=rtcp-fb:96 nack sli
a=rtcp-fb:96 ack rpsi
a=rtcp-fb:96 ccm fir

So from SDP body, we know video is on port 14668. I tried the following :

cvlc -vvv udp://
cvlc -vvv rtp://

Both of them didn't work. I am a beginner. Can anyone please suggest how to play streams manually ? Alteast some basic idea to begin with please !

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