[Freeswitch-users] video transcoding

[Mikael Aleksander Bjerkeland]

Hi,


El mié, 03-06-2009 a las 18:30 +0200, Francois Delawarde escribió:
> Hello,
> 
> I'm interested in being able to do video transcoding mainly for
> bridging 3G mobile and sip networks, and maybe later on some
> conferencing with FS.
> 
> Are video codecs planned to be added to FS even in a far future? Are
> there copyright/patent problems with common video codecs (H.263 /
> H.264) or with libraries (ffmpeg) that would prevent any of that from
> happening?

Yes, there are copyright/patent problems. The x264 library should be
able to do transcoding but its license is not compatible with FS and
some of the x264 developers are not interested in releasing it under a
dual license.

> 
> Meanwhile, would it be feasible to do some video transcoding using
> external software (vlc?) with socket connections from-to FS?
A guy I talked to in #x264 on FreeNode claims to be doing this, but not
in a VoIP scenario. If you don't want to reinvent the wheel you probably
have to create a wrapper for your socket interface to interface with
x264. Please share your progress if you do so.

If all else fails you could have a look at these to bridge the video
call to PRI http://www.mirial.com/products/PSE_3G_Gateway.html
http://www.radvision.com/Products/3GProductsApplications/SCOPIA3GVideoGateway/

And no, I do not know if they work :-)


> 
> Thanks,
> François. 
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