[FFmpeg-user] Two questions about LGPL

[宋麒]

Thanks for all the information. Can I regard these as official answers ?
If not and I wanna get some more official answers, how can I contact with
the FFmpeg official group?

Carl Zwanzig <cpz at tuunq.com> 于2022年4月7日周四 10:35写道：

> Read the licenses and the ffmpeg legal page.
>
> On 4/6/2022 6:04 PM, Bo Zhou wrote:
> > Since FFmpeg is a complicated software it has some modules under GPL, so
> > it's best for you or the manager of your company to consult with the
> FFmpeg
> > team for a proper legal authorization.
>
> That legal authorization comes from the GPL and LGPL. If you have not
> actually read them, or even the FAQs, do that right now. (For "combined
> works" incorporating a LGPL library, see section 4 in
> https://www.gnu.org/licenses/lgpl-3.0.en.html.)
>
> In the case of ffmpeg, generally _if_ you wish to distribute the parts
> that
> are GPL-licensed, they your work needs to be too, but you can build both
> the
> application programs and the libraries to exclude those parts (the
> configure
> option --disable-gpl).
>
> Read the licenses and the ffmpeg legal page.
>
> Decide what parts of ffmpeg you want to include and see how those parts
> are
> licensed- that will be in the source modules (e.g in
> libavfilter/vf_drawtext.c), or in the configure script you can look for
> the
> "gpl" dependency (e.g. 'boxblur_opencl_filter_deps="opencl gpl"').
>
> z!
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