[FFmpeg-user] License FFmpeg under GPL v3

James Darnley james.darnley at gmail.com
Tue Mar 29 15:06:44 CEST 2016

On 2016-03-29 15:00, Aaron Boxer wrote:
>>> No, the GPL v2 does not state that you can distribute software
>>> under the terms of of GPL version 2 or "any later version".
>> Thanks, Carl.  Here is what I see in the FFmpeg LICENSE file:
>> Some optional parts of FFmpeg are licensed under the GNU General Public
>> License version 2 or later (GPL v2+). See the file COPYING.GPLv2 for
>> details. None of these parts are used by default, you have to explicitly
>> pass --enable-gpl to configure to activate them. In this case, FFmpeg's
>> license changes to GPL v2+.
>> So, it does look like v3 is acceptable.
> Also, there is this further text:
> Should you, for whatever reason, prefer to use version 3 of the (L)GPL,
> then the configure parameter --enable-version3 will activate this licensing
> option for you. Read the file COPYING.LGPLv3 or, if you have enabled GPL
> parts, COPYING.GPLv3 to learn the exact legal terms that apply in this case.
> The bracket around L implies that both GPL 3 and LGPL 3 are acceptable
> licenses.

I don't know what Carl is on but you can use GPLv3 with --enable-gpl and
--enable-version3 as you are on the cusp of discovering

Configure reports GPLv3, ffmpeg -L reports GPLv3.  What else is there?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 603 bytes
Desc: OpenPGP digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-user/attachments/20160329/04a06109/attachment.sig>

More information about the ffmpeg-user mailing list