[FFmpeg-devel] Static Link library exception to LGPL

Don Moir donmoir at comcast.net
Tue May 22 18:37:12 CEST 2012

----- Original Message ----- 
From: "Carl Eugen Hoyos" <cehoyos at ag.or.at>
To: <ffmpeg-devel at ffmpeg.org>
Sent: Tuesday, May 22, 2012 4:47 AM
Subject: Re: [FFmpeg-devel] Static Link library exception to LGPL

> Krishna <krishnaks <at> iwavesystems.com> writes:
>> We are using ffmpeg library as a closed source in our IOS
>> application for H264 decoding.
> It is not legal to distribute FFmpeg binaries as closed source.
>> Our client does not want out code to make open source and
>> because of nature of IOS packaging this will be static
>> linked library.
> There is no conflict between the LGPL and static linking.
>> Can we get exception to the LGPL license for this static linking?
> Please understand that there are probably several thousand
> copyright holders, so it is simply impossible to license FFmpeg
> differently.
> Simply follow the license compliance checklist on
> http://ffmpeg.org/legal.html skipping point 2, instead offer object
> files of the application together with the FFmpeg source to allow
> relinking.

Should point 2 be changed to mention if you static link, you need to provide 
the lib files for relinking? As it stands, using dlls reads as a 

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