[asterisk-dev] Using FFmpeg

Philippe Sultan philippe.sultan at gmail.com
Fri Jul 23 09:55:52 CDT 2010


More info on FFmpeg web site :
http://www.ffmpeg.org/legal.html

Among the obligations, #14 states that FFmpeg h

On Fri, Jul 23, 2010 at 4:38 PM, Philippe Sultan
<philippe.sultan at gmail.com> wrote:
> Hi Olle,
>
> From what I've read, the FFMPEG libs can be GPL or LGPL, depending on
> how you configure the FFMPEG installation.
>
> If you choose to install FFMPEG libs than are subject to the GPL, then
> you have to explicitly add the --enable-gpl option to the configure
> script, otherwise the configuration process fails.
>
> In FFMPEG 0.6, libswcale (we use it in FFPlayback) became LGPL. We use
> it along with both libavcodec and libavformat (the basic FFMPEG
> libraries).
>
> And here is the FFMPEG configure command that's needed to run
> FFPlayback and chan_rtmp :
> configure --enable-shared --enable-swscale --disable-mmx
> --disable-optimizations --enable-debug
>
> Philippe
>
> On Fri, Jul 23, 2010 at 3:46 PM, Olle E. Johansson <oej at edvina.net> wrote:
>>
>> 23 jul 2010 kl. 15.28 skrev SVN commits to the Digium repositories:
>>
>>>  decode it with FFMPEG
>>> - encode it to H.263 with FFMPEG
>>
>> Philip,
>> I hate to spoil things, because it sounds like you're having a lot of fun and doing progress. But doing video transcoding with FFmpeg seems to be interesting in regards to licenses and patents. Have anyone in the dev team done a licensing review here?
>>
>> /O
>> --
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>
>
>
> --
> Philippe Sultan
>



-- 
Philippe Sultan



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