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

[Stefano Sabatini]

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.
-- 
FFmpeg = Foolish Free Muttering Perennial Elitarian Guide
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