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

[François Revol]

> Michael Niedermayer wrote:
> > On Mon, Apr 07, 2008 at 02:29:29PM +0200, Luca Abeni wrote:
> >> Hi Ramiro,
> >>
> >> 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?
> >> As far as I remember, the main GPLed parts are:
> >> - the SIMD optimisations
> >> - the code used to initialize the tables used for RGB <---> YUV
> >>    conversion (my experience is that it is particularly difficult
> >>    to rewrite this code without looking at the source, or without
> >>    having to modify the LGPLed code that uses the tables).
> > 
> > IMO rewriting the SIMD code because of GPL makes no sense, why 
> > would you
> > want to do that? The code can be used without SIMD, is it so bad 
> > that
> > non free software will be a little slower?

Please stop assuming non-GPL == non-Free.
There are many software out there that are non GPL and Free (including 
FreeBSD and other clones).
That's more than irritating.

Fran?ois.