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Video RTP stream shown as RTP events in Wireshark
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Manoj  
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 More options Jul 27 2012, 1:27 pm
From: Manoj <manoj2...@gmail.com>
Date: Fri, 27 Jul 2012 10:27:31 -0700 (PDT)
Local: Fri, Jul 27 2012 1:27 pm
Subject: Video RTP stream shown as RTP events in Wireshark
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Hello, With the latest Canary build on Mac, Wireshark thinks that the Video
RTP stream from WebRTC is RTP events. The audio RTP stream shows up as RTP.
Is this expected ? The app that I have consuming the video RTP also
complains that the RTP stream is invalid.

thanks
-Manoj


 
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Justin Uberti  
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 More options Jul 27 2012, 4:56 pm
From: Justin Uberti <jube...@google.com>
Date: Fri, 27 Jul 2012 13:56:03 -0700
Local: Fri, Jul 27 2012 4:56 pm
Subject: Re: [discuss-webrtc] Video RTP stream shown as RTP events in Wireshark
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Yes, we use PT 100 by default for video, and Wireshark by default uses PT
100 to indicate Cisco Named Signaling Events.

You can change either our PT or Wireshark's PT to something else to resolve
this issue.


 
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Srikar  
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 More options Jul 28 2012, 3:33 pm
From: Srikar <sri...@gmail.com>
Date: Sat, 28 Jul 2012 12:33:56 -0700 (PDT)
Local: Sat, Jul 28 2012 3:33 pm
Subject: Re: Video RTP stream shown as RTP events in Wireshark
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Like Justin mentioned, Wireshark uses PT 100/101 as defaults for
RTPEvents(check Wireshark/Edit/Preferences/Protocols/RTPEvent). You can set
these to 0. Then your Wireshark may show it as RTP but may not decode
further as video payload until you get a corresponding plugin.
  And your app which complains invalid-RTP stream, you have to check its
'compatibility' to associate dynamicPT-100 to video RTP and also decode
that RTP.

-Srikar


 
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