[asterisk-dev] Using FFmpeg

Philippe Sultan philippe.sultan at gmail.com
Fri Jul 23 09:56:44 CDT 2010


... has to be properly spelled (two capitals F and lowercase "mpeg").

:-)

On Fri, Jul 23, 2010 at 4:55 PM, Philippe Sultan
<philippe.sultan at gmail.com> wrote:
> 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
>



-- 
Philippe Sultan



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