[FFmpeg-user] Query regarding ffmpeg license for free android app

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Jun 26 11:17:06 CEST 2013

Harbans Lal Goyal <HG0063710 <at> TechMahindra.com> writes:

> Then in our functionality in the app, we pass the images 
> to that executable through command line parameters and 
> created a video as a result.

> So we really want to know that under which license we 
> should use it: GPL or LGPL and what we need to do to 
> avoid any legal factors in the future.

If your app is independent from the ffmpeg executable, 
you don't have to provide your apps source code, but 
no matter if you choose LGPL or GPL for the FFmpeg 
executable, you have to provide the exact FFmpeg sources 
that you used.

> We hope that we are using the library for our work

If you are using libraries from the FFmpeg project in 
your app, and you don't want to provide your apps 
source code, you should use the libraries under the 

For more details, please read the license text, it 
is provided as part of the source code.

> and also our app will be free in the market.

Unrelated: Please understand that it makes no 
difference if your app is free or not.

> This message and the information contained herein 
> is proprietary and confidential

This makes no sense when you are sending emails 
to a public mailing list.

Carl Eugen

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