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From Luciano Resende <luckbr1...@gmail.com>
Subject Re: [libav-user] License of libavcodec and libavformat
Date Mon, 27 Jul 2009 05:09:02 GMT
On Sun, Jul 26, 2009 at 7:59 PM, Arthur Chen<zijian.ping@gmail.com> wrote:
> ---------- Forwarded message ----------
> From: d3fault <d3faultdotxbe@gmail.com>
> Date: 2009/7/27
> Subject: Re: [libav-user] License of libavcodec and libavformat
> To: Libav* user questions and discussions <libav-user@mplayerhq.hu>
>
>
>  On Sun, Jul 26, 2009 at 7:12 PM, Arthur Chen <zijian.ping@gmail.com> wrote:
>
>> Hi all,
>>    I am using the libavcodec and libavformat to develop an e-learning
>> project. The project request all library which we used in it be under
> LGPL.
>> I know that FFmpeg is licensed under the LGPL version 2.1 or later.
>> However,
>> FFmpeg incorporates several optional modules that are covered by the GPL
>> version 2 or later, notably libpostproc and libswscale.
>>    But I don't know the License of libavcodec and libavformat....
>>
>> regards,
>> Arthur
>
>
> libavcodec and libavformat are both LGPL, but if the library you use with
> your app was compiled to use libpostproc and/or libswscale (most likely it
> was unless you compiled it yourself), then you can't redistribute those
> binaries unless you comply to the terms of the GPL and release your source
> code too. If you don't need libswscale or libpostproc, you should look into
> compiling your own libraries in LGPL mode. It's something along the lines of
> --enable-lgpl and --disable-gpl as arguments for your ./configure
>
> ./configure --help should get you started
>
>

In this case, who would release the LGPL build of the required ffmpeg
libraries ?

-- 
Luciano Resende
Apache Tuscany, Apache PhotArk
http://people.apache.org/~lresende
http://lresende.blogspot.com/

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