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Wireshark-users: Re: [Wireshark-users] Does Wireshark support MP4 payload decoding?

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From: "Javier Gálvez Guerrero" <javier.galvez.guerrero@xxxxxxxxx>
Date: Tue, 3 Jun 2008 14:01:41 +0200

Hi,

2008/6/3 Anders Broman <anders.broman@xxxxxxxxxxxx>:

Hi,

What protocol is used to set up the stream? is SDP used?

Yes, the video on demand procedure is started with a RTSP packet exchange with a SDP file with the corresponding parameters. It is properly decoded with Wireshark.

What Mime type is it MP4V-ES other?

As said before, I have tried with elementary and program streams. In the last case, I have mpeg4-generic MIME type for audio and MP4V-ES for video.

What do you want decoded?

I would like to catch information regarding which frames are being streamed (I, P or B).

Anyway, have you succeed in decoding this kind of information from the UDP/RTP/MP4 packet stream?

Regards

Anders

Thanks for your answer,
Javi

From: wireshark-users-bounces@xxxxxxxxxxxxx [mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of Javier Gálvez Guerrero
Sent: den 3 juni 2008 11:37
To: wireshark-users@xxxxxxxxxxxxx
Subject: [Wireshark-users] Does Wireshark support MP4 payload decoding?

Hi all,

I have searched for this issue in the archive but the question was not answered yet, so here I am.

I would like to know if Wireshark does support MP4 packets decoding. I am using version 1.0.0 in an Ubuntu Linux 2.6.24-17. I am also using VideoLAN VLC on the VOD server side and on the player client side. I have tried with originally mp4 encoded videos, on-the-fly decoded ones from MPEG-1 and with elementary video streams. They work perfectly (I can stream and watch the videos) but when I try to decode the UDP/RTP packets with Wireshark the payload is marked as unknown. With MPEG-1 it works properly as soon as I have tested.

So, has anyone succeed in decoding the RTP payload for a MP4 stream (if not with VLC, with which streaming software?)?

Thank you all,
Javi

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Follow-Ups:
- Re: [Wireshark-users] Does Wireshark support MP4 payload decoding?
  - From: Anders Broman

References:
- [Wireshark-users] Does Wireshark support MP4 payload decoding?
  - From: Javier Gálvez Guerrero
- Re: [Wireshark-users] Does Wireshark support MP4 payload decoding?
  - From: Anders Broman

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