[vlc-devel] close source plugin for vlc
rdenis at simphalempin.com
Thu Apr 24 21:22:45 CEST 2008
Le Thursday 24 April 2008 22:06:55 Felix Paul Kühne, vous avez écrit :
> the common interpretation of the GPLv2 is, that VLC's modules/plugins
> need to be licensed in a GPL-compatible way in any case. However, you
> could publish your plugin under the LGPL (or BSD-like, etc.) and let
> itself make use of proprietary code. Embedded closed-source directly
> in VLC is not possible.
> The other way around, thus using VLC inside proprietary apps (like the
> ActiveX plugin inside MSIE), is obviously possible.
It is not that simple. An applications that uses VLC through whatever API,
with however many layers of LGPL code wrapping, is a derivative work.
Providing the ActiveX plugin is legal so long as you don't provide MSIE too,
and vice-versa. The GPL only applies to redistribution. As it does not apply
to usage, you are always free to use VLC with a proprietary applications.
If someone distributes both MSIE (or any applications using the ActiveX) _and_
the VLC ActiveX plugin, I believe (s)he would be violating my copyright. I
don't claim that MSIE is a derivative work of VLC - that would be
preposterous. But the combination of MSIE *and* VLC is a derivative work of
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