Wireshark-users: Re: [Wireshark-users] How to decode H264 ?

From: "Anders Broman" <a.broman@xxxxxxxxx>
Date: Mon, 21 Jan 2008 21:27:05 +0100

Hi,

If the stream is set up with SIP H323(H.245) MEGACO/H.248 or RTSP and those packets are in the trace Wireshark will be able to

Determine the payload type and UDP ports used and decode RTP and payload.

Regards

Anderes

 


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Get setup info in the trace? I do not understand it, can you please tell me how ?

Thanks

 

2008/1/22, Anders Broman <a.broman@xxxxxxxxx>:

Hi,

That's currently not possible but if you do get the setup info in the trace I think it would decode.

Regards

Anders

 


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Hi Anders, thank you very much. I have got it for H264.

 

Another problem,  for H263+, it's using the dynamic payload type too, but I do not found it in Edit->prefrences->protocols.

 

How to decode the H263+ ?

Thanks

 

2008/1/22, Anders Broman < anders.broman@xxxxxxxxxxxx>:

Hi,
H264 "decoding" (only minimal decoding is made), is only available from WS 0.99.7 and
bugfixes has gon in since the release.(development builds available)

If you haven't got the setup information in your trace there is the option to do
Edit->prefrences->protocols->h264 and set the Payload type 125 in your case. You still have to
do decode as RTP every time you open the trace.

Regards
Anders

________________________________

From: wireshark-users-bounces@xxxxxxxxxxxxx on behalf of list mail
Sent: Mon 1/21/2008 4:20 PM
To: wireshark-users@xxxxxxxxxxxxx
Subject: [Wireshark-users] How to decode H264 ?


Hi all, I'm new to Wireshark, it's a great software. Currently I using it to analyse the H264 RTP video stream.
When I captured the H264 RTP video stream, and try to decodec it - use the menu" Decodec As..." and choosed "RTP" to decode it,

but it just show me: "PT=Unknown (125), SSRC=0xD2D9EB2, Seq=35012, Time=4266020486, Mark ",

So there have anybody can help me how to decodec it as H264 ?

Thank you in advance.


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