[Bf-committers] Quicktime License issue....
Arne Schmitz
bf-committers@blender.org
23 Jan 2003 14:00:23 +0100
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Am Donnerstag, 23. Januar 2003 13:16 schrieb Ton Roosendaal:
> So no GPL project uses apple quicktime?
MPlayer uses the Windows Quicktime DLLs. See http://www.mplayerhq.hu for more
details. They don't link against them, but load them via a loader library
based on WINE, as far as I remember.
But I don't think that the MPlayer code is very clean or easily adaptable to
blender. :-) -- Apart from the legal aspect...
But in my opinion linking against closed source libraries is NOT prohibited by
the GPL. Think about all the GPL Motif applications that existed before Motif
became opensource.
Also remember that there are GPL'ed Windows applications that are linked
against MFC and stuff.
See http://www.gnu.org/licenses/gpl-faq.html#WindowsRuntimeAndGPL
The GPL only says that you yourself have to provide the sourcecode for your
application upon request. This does not apply to the libraries you link
against. The GPL also requires you to allow any and every modification to you
program by others and that these modifications must also be accessible with
source code, *if* you make them public.
See http://www.gnu.org/licenses/gpl-faq.html#GPLRequireSourcePostedPublic
However if you link your own program with a GPL program (not LGPL), then you
program also has to be GPL'ed.
See http://www.gnu.org/licenses/gpl-faq.html#LinkingWithGPL
IANAL and these are only my 2¢, but I think that this might clear some things
up.
Cheers,
Arne
- --
Always knows the prospects
Learn to expect -- Nothing -- Nothing
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