[FFmpeg-devel] [PATCH] libavfilter-soc: prevents division by zero in scale

[Michael Niedermayer]

On Tue, Jun 09, 2009 at 11:51:21PM +0200, Stefano Sabatini wrote:
> On date Tuesday 2009-06-09 23:33:41 +0200, Michael Niedermayer encoded:
> > On Tue, Jun 09, 2009 at 11:01:42PM +0200, Stefano Sabatini wrote:
> > > Hi, as in subject.
> > > 
> > > Regards.
> > > -- 
> > > FFmpeg = Faboulous and Fostering Multimedia Puristic Elegant Glue
> > 
> > >  vf_scale.c |    1 +
> > >  1 file changed, 1 insertion(+)
> > > 1d3e6890fe6ee1224e2dfc322463d24e73bcb4ee  scale-fix-gcd.patch
> > > Index: libavfilter-soc/ffmpeg/libavfilter/vf_scale.c
> > > ===================================================================
> > > --- libavfilter-soc.orig/ffmpeg/libavfilter/vf_scale.c	2009-06-09 22:57:53.000000000 +0200
> > > +++ libavfilter-soc/ffmpeg/libavfilter/vf_scale.c	2009-06-09 23:01:09.000000000 +0200
> > > @@ -137,6 +137,7 @@
> > >      out->outpic->pixel_aspect.den = picref->pixel_aspect.den * out->w * link->h;
> > >  
> > >      gcd = av_gcd(out->outpic->pixel_aspect.num, out->outpic->pixel_aspect.den);
> > if(gcd>1){
> > >      out->outpic->pixel_aspect.num /= gcd;
> > >      out->outpic->pixel_aspect.den /= gcd;
> > }
> 
> Updated.

ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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