Wireshark-users: Re: [Wireshark-users] how to convert g729 RTPstream into anyplayableformat?

From: "Kukosa, Tomas" <tomas.kukosa@xxxxxxxxxxx>
Date: Thu, 8 Nov 2007 12:30:13 +0100

Hi,
 
example plugin for G.723.1 and G.729A and G.722 based on the Imtelephone libraries is attached.
 
It contains only Windows makefiles.
Please, could anybody create Linux makefiles and test it under Linux?
Then we could put it somewhere into the svn.
 
BTW for more codecs see audio plugins in the H.323plus (http://www.h323plus.org/source/) or in the OpalVOIP (http://sourceforge.net/projects/opalvoip)
All of them can be used in very similar way in the Wireshark.
 
Regards,
  Tomas

________________________________

Od: wireshark-users-bounces@xxxxxxxxxxxxx za uživatele Gerald Combs
Odesláno: čt 8.11.2007 0:52
Komu: Community support list for Wireshark
Předmět: Re: [Wireshark-users] how to convert g729 RTPstream into anyplayableformat?



Joerg Mayer wrote:
> On Wed, Nov 07, 2007 at 09:52:47PM +0100, PawelCarqowski wrote:
>>  > I believe it should not be license problem if I public just my stub code like an example.
>
> I think so too: As long as you only publish the source ther eshouldn't
> be any problem. Although from looking at the price tag: Who's going to
> use these libs?

According to the Imtelephone site, the free evaluation versions of the libraries
can run for 60 hours, which should be more than enough time to analyze a trace
file. According to http://www.voip-info.org/wiki-Asterisk+G.729+Licensing, as
long as you're using the codec for "study and experimentation" you aren't
subject to patent requirements.

BTW, an open source G.729/G.723.1 implementation is available at
http://www.readytechnology.co.uk/open/ipp-codecs-g729-g723.1/.  Would that be
preferable?

Asterisk handles G.729 support via an external module which can be purchased
from Digium.  Would there be any interest in something similar for Wireshark?

>>  > Should we have such an example on Wiki or directly in the svn source?
>
> I'd like to have a contrib directory in the source where we could
> provide scripts, colorfilters etc. That directory could contain non-gpl
> stuff. And this directory might be a good place to put the code for
> the plugins that require licensed stuff to be useable.

Sounds good to me.
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