[FFmpeg-devel] Cleanup libswscale and reimplement GPL code under LGPL

Michael Niedermayer michaelni
Tue Apr 8 02:45:27 CEST 2008

On Mon, Apr 07, 2008 at 11:28:49PM +0200, Diego Biurrun wrote:
> On Mon, Apr 07, 2008 at 11:44:26AM +0000, Ramiro Polla wrote:
> > 
> > I've looked at the license headers and a few svn annotates from GPL
> > files. What parts of the code is left in GPL?
> cs_test.c
> swscale_example.c
> Michael, would you relicense these test programs of yours?  Nobody else
> seems to have made copyrightable changes to these files.

What would be the point? These arent linked or used by libav*, its the
same as with fdctref.

> swscale.c
> swscale_template.c
> rgb2rgb.c
> rgb2rgb_template.c
> These files are GPL, but carry the following exception:
>  * the C code (not assembly, mmx, ...) of this file can be used
>  * under the LGPL license too
> The cleanest solution would likely be to split these files into ASM and
> C parts.  Then the ASM parts can be compiled conditional to CONFIG_GPL.

The asm code should be split out yes.

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
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