[asterisk-dev] Opus and VP8

Lorenzo Miniero lminiero at gmail.com
Mon May 27 09:09:08 CDT 2013


Dear all,

I've just published the patch on github:

https://github.com/meetecho/asterisk-opus

The README should be quite self explainatory, but if you need any
additional info feel free to ask me.
Any feedback will be more than welcome!

Lorenzo


2013/5/26 Olle E. Johansson <oej at edvina.net>

>
> 26 maj 2013 kl. 12:08 skrev Hans Witvliet <asterisk at a-domani.nl>:
>
> > Seems my mesage didn't reach the list...
> > (could me my end of the list that's failing)
> This is not about software logic, it's about legal issues and we can't
> take that discussion here, it's for
> Digium to make by themselves and we just have to respect their decision,
> whatever we think
> about it.
>
> We can create a community distribution based on GPL and we in the
> community can
> encourage as many as possible to use it - but it's their decision about
> the type of legal
> risc they consider it to be.
>
> Hopefully the issues that stop Digium from supporting it today will
> diminish so that
> Opus and VP8 can be included in the "official" distribution at some point
> - and then
> everything should be ready for some fast action.
>
> Digium has done everything they can for Asterisk - and more.
> This time it's the community that has to prove that we can handle the
> situation ;-)
>
> /O
>
> > Hans
> >
> > -----Original Message-----
> > From: Hans Witvliet <asterisk at a-domani.nl>
> > To: asterisk-dev at lists.digium.com
> > Subject: Re: [asterisk-dev] Opus and VP8
> > Date: Sat, 25 May 2013 12:19:13 +0200
> >
> > -----Original Message-----
> > From: Olle E. Johansson <oej at edvina.net>
> > Reply-to: Asterisk Developers Mailing List
> > <asterisk-dev at lists.digium.com>
> > To: Asterisk Developers Mailing List <asterisk-dev at lists.digium.com>
> > Cc: Olle E. Johansson <oej at edvina.net>
> > Subject: Re: [asterisk-dev] Opus and VP8
> > Date: Fri, 24 May 2013 13:26:29 +0200
> >
> >
> > 24 maj 2013 kl. 12:51 skrev Lorenzo Miniero <lminiero at gmail.com>:
> >
> >> PS: a few months ago I also talked, on the #asterisk-dev IRC, about
> >> the support I added for both Opus (transcoding) and VP8 (passthrough)
> >> in Asterisk, codecs that are currently the default ones used in
> >> WebRTC. I checked whether there was an interest in a patch for them,
> >> but at the time there were some concerns about the copyright status of
> >> Opus that prevented it to be considered for integration in Asterisk.
> >> Has this situation changed in the meanwhile? I can open a separate
> >> thread for this if needed.
> >>
> > Lorenzo,
> >
> >
> > Good seeing you here!
> >
> >
> > Due to legal issues I don't think Digium can accept a contribution of
> > Opus and VP8 in the svn repositories today.
> >
> >
> > I would encourage you, if you have these patches, to publish them on a
> > web site like github or sourceforge so w all can help you test it. I
> > really would like for these to be available for the community in an easy
> > form.
> >
> >
> > Some things can be done in Asterisk though and that's the code points
> > for pass through media. I don't think that would cause any legal
> > issues.
> >
> >
> > Hi Olle,
> >
> > I understand that companies like Digium are very carefully with regards
> > to legal aspects, but how come that another USA-based company can
> > use/ship vp8 freely (linphone). The European based company that
> > builds/distribute Jitsi also ships it in their latest version:
> >
> > Linphone:
> > Audio with the following codecs: speex (narrow band and wideband), G711
> > (ulaw,alaw), GSM, G722. Through additionals plugins, it also supports
> > AMR-NB, SILK, G729 and iLBC.
> > Video with codecs: VP8 (WebM), H263, H263-1998, MPEG4, theora and H264
> > (thanks to a plugin based on x264), with resolutions from QCIF(176x144)
> > to SVGA(800x600) provided that network
> >
> > Jitsi:
> > "Among the most prominent new features you will find quality multi-party
> > video conferences for XMPP, audio device hot-plugging, support for
> > Outlook presence and calls, an overhauled user interface and support for
> > the Opus and VP8 audio/video codec. You can download the new version at
> > the following location: https://download.jitsi.org/"
> >
> >
> >
> >
>
>
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