On Thu, Aug 21, 2014 at 12:57:08PM +0200, Daniel Oberhoff wrote: > > --- > Daniel Oberhoff > daniel.oberh...@gmail.com > > > > On Aug 21, 2014, at 12:34 PM, Michael Niedermayer <michae...@gmx.at> wrote: > > > Exceeding the count would write out of array, and should not occur with any > > current pixel format > > > > Signed-off-by: Michael Niedermayer <michae...@gmx.at> > > --- > > libavfilter/vf_lenscorrection.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/libavfilter/vf_lenscorrection.c > > b/libavfilter/vf_lenscorrection.c > > index 58184b0..01380fc 100644 > > --- a/libavfilter/vf_lenscorrection.c > > +++ b/libavfilter/vf_lenscorrection.c > > @@ -26,6 +26,7 @@ > > #include <stdlib.h> > > #include <math.h> > > > > +#include "libavutil/avassert.h" > > #include "libavutil/opt.h" > > #include "libavutil/intreadwrite.h" > > #include "libavutil/pixdesc.h" > > @@ -132,6 +133,8 @@ static int config_props(AVFilterLink *outlink) > > outlink->w = rect->width = inlink->w; > > outlink->h = rect->height = inlink->h; > > rect->nb_planes = av_pix_fmt_count_planes(inlink->format); > > + av_assert0(rect->nb_planes <= FF_ARRAY_ELEMS(rect->correction)); > > how many planes can there ever be?
I think the current pixel formats dont have more than 4 but things like CMYKA would have 5, and formats could contain more planes in principle, we dont support such stuff ATM but cameras exist that record infrared in addition to vissible inforation. for example [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No great genius has ever existed without some touch of madness. -- Aristotle
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