[Asterisk-video] FYI :: Fwd: [Iaxclient-devel] Iaxclinet and H264

[Olle E Johansson]

I forward this mail from the iaxclient mailing list for reference.

/O

Vidarebefordrat brev:

> Från: Mihai Balea <mihai at hates.ms>
> Datum: fredag 24 nov 2006 17.08.25 GMT+01:00
> Till: Edouard DUCRAY <edouard at sagesse.biz>
> Kopia: iaxclient-devel at lists.sourceforge.net
> Ämne: Re: [Iaxclient-devel] Iaxclinet and H264
>
> Hi Edouard,
>
> As far as I know, x264 is just an encoder.  You also need a decoder
> if you want to use H.264 video.
>
> There are two issues with using x264 in iaxclient.
> 1. x264 is GPL and iaxclient is LGPL.  This prevents us from
> incorporating the codec in the iaxclient sources. What we could do is
> create a wrapper and then if anybody wants to use x264 can simply
> drop the sources in place and build (and work under the rules of
> GPL).  This is similar to what we do for the VSS H.264 codec.
> 2. There is such a wrapper for ffmpeg.  This is actually a better
> solution because ffmpeg comes with a H.264 decoder and also can work
> with x264.  In addition to that, it supports a bunch of other codecs,
> like H.263/261.  However, this wrapper DOES NOT WORK at this moment.
> We are changing the video codec API these days, and all the codecs
> will need to be updated.  We plan to update the Theora and VSS codecs
> and then, if time allows, the ffmpeg wrapper.  I'll send an
> announcement to the list when the API is stabilized, so if anybody
> who wants to work on the ffmpeg wrapper, please wait until you see  
> that.
>
> Mihai
>
>
> On Nov 23, 2006, at 4:31 PM, Edouard DUCRAY wrote:
>
>> Hi everybody.
>>
>> Nice thanksgiving for american people.
>>
>> I've checkout the mihai branch read the README.1st file and  made  
>> some
>> tests.
>> I've seen that currently it compiles with libtheora (good point)
>> and VSS
>> H264.
>> Do you think it would be hard making it compiling with the french  
>> team
>> implementation of H264 : x264 (http://developers.videolan.org/
>> x264.html) ?
>> (I like its GPL license).
>>
>> Sincerely
>> -- 
>> Edouard DUCRAY
>>
>>
>>
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>
>
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* Olle E Johansson - oej at edvina.net
* Cell phone +46 70 593 68 51, Office +46 8 96 40 20, Sweden