Wireshark · Wireshark-dev: Re: [Wireshark-dev] Need help in Decoding RTP MultiplexstreamsinWireshark

["Anders Broman" <anders.broman@xxxxxxxxxxxx>]

Hi,

The code is already part of trunk. You can try a development build from http://www.wireshark.org/download/automated/

The code will be included in the next major release. No planned release date yet. A development build 1.3.0

is planned to be released shortly.

 

The suport for decoding multiplex streams are very limited as I understand it. No plans exists to further develop the code.

 

Regards

Anders

 

 

---

From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of shruti singh
Sent: den 9 september 2009 11:17
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Need help in Decoding RTP MultiplexstreamsinWireshark

Hi Neil

So when are you planning to provide fix for this bug 3958 for decoding multiplexed streams???

Regards

Shruti

On Fri, Sep 4, 2009 at 9:36 PM, Neil Piercy <Neil.Piercy@xxxxxxxxxxxx> wrote:

Hi Munish,

It was added to the SVN trunk under bug 3958.

Regards,
Neil

=================================================
ip.access ltd                   Tel: 01954 713715
Building 2020,                  Fax: 01954 713799
Cambourne Business Park,
Cambourne,
Cambridge, CB23 6DW, UK
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Visit the website at http://www.ipaccess.com

=================================================

> -----Original Message-----
> From: wireshark-dev-bounces@xxxxxxxxxxxxx

> [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Munish Dayal
> Sent: 03 September 2009 13:38
> To: wireshark-dev@xxxxxxxxxxxxx
> Subject: Re: [Wireshark-dev] Need help in Decoding RTP
> Multiplex streamsinWireshark
>
>
> Hi,
>
> Is this dissector code for "RTP multiplexed streams"
> submitted to Wireshark ?
> What is the bug number ?
>
> Thanks,
> Munish
>
> -----Original Message-----
>
> Message: 5
> Date: Fri, 28 Aug 2009 18:20:28 +0100
> From: "Neil Piercy" <Neil.Piercy@xxxxxxxxxxxx>
> Subject: Re: [Wireshark-dev] Need help in Decoding RTP Multiplex
>         streams inWireshark
> To: "Developer support list for Wireshark"
>         <wireshark-dev@xxxxxxxxxxxxx>
> Message-ID:
>
> <CEDCBB894168244E9C8BD430E1E9F1AB037156A2@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi,
>
> ip.access have developed a basic dissector for this protocol
> which we will happily add to the project - I'll raise a bug
> report and attach the file.
>
> At present it only handles the uncompressed RTP header case,
> but should provide a starting point for further development.
>
> BTW we have called the protocol nb_rtpmux, as the 29.414 spec
> is originally for the Nb interface.
>
> Regards,
> Neil
>
>
> =================================================
> ip.access ltd                   Tel: 01954 713715
> Building 2020,                  Fax: 01954 713799
> Cambourne Business Park,
> Cambourne,
> Cambridge, CB23 6DW, UK
> Company Registered Number    3400157
> Visit the website at http://www.ipaccess.com
> <http://www.ipaccess.com/>
> =================================================
>
>
>
>
>
> ________________________________
>
>         From: wireshark-dev-bounces@xxxxxxxxxxxxx
> [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of shruti singh
>         Sent: 27 August 2009 12:36
>         To: Developer support list for Wireshark
>         Subject: Re: [Wireshark-dev] Need help in Decoding
> RTP Multiplex streams inWireshark
>
>
>         Hi,
>
>         Yes RTP multiplexing is in compliance to 3GPP TS
> 29.414 Release
> 7 specification
>
>         thanks
>         Shruti
>
>
>         On Wed, Aug 26, 2009 at 7:58 PM, Jaap Keuter
> <jaap.keuter@xxxxxxxxx> wrote:
>
>
>                 Hi,
>
>                 Is there an RFC on that? Are there sample
> captures to work with? This always helpsin development.
>
>                 Thanx,
>                 Jaap
>
>                 Now competing at http://www.ec2009.info
>
>                 On 26 aug 2009, at 07:36, shruti singh
> <shruti.is.singh@xxxxxxxxx> wrote:
>
>
>
>                         Hi
>
>                         I need to decode RTP Multiplex
> streams using wireshark. Presently we can decode only Non
> -Multiplexed RTP streams in wireshark.
>
>
>                         A multiplexed voice packet is
> composed by concatenating RTP encapsulated voice packets and
> IP and UDP headers.
>
>                          Below is the Multiplex Packet format
>
>
>
> IP
>
> UDP
>
> Multiplex Header
>
> Compressed RTP Header
>
> RTP Payload
>
> Multiplex Header
>
> Compressed RTP Header
>
> RTP Payload
>
>
>
>                         This Multiplex header is repeated in
> beginning of each RTP packet. So I was thinking of way to
> extract this multiplex header & use it to decode each RTP
> packet following this Multiplex header.
>
>                         I supose we need to make a dissector
> packet-rtpmultiplex.c regestring to a UDP port as a starting point.
>
>
>
>                         Dissect the multiplex header,
> decompress the rtp header and have the RTP dissector dissecting
>                         the resulting "RTP packet" - decompressed
> header+data.
>
>                         Could you help me in dissecting the
> multiplex header and make this work.
>
>
>
>
>                         Also I need to know the steps to
> write our own filters in wireshark
>
>
>
>
>                         It would be great help. Kindly reply
> as soon as possible
>
>
>
>
>                         Regards
>
>                         Shruti
>
>
> >>>>>>>>>>>>>>
>
>
>
>
>
>
>
>
>
>
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