[FFmpeg-devel] [PATCH] avfilter/af_amerge: avoid undefined shift (<<64) in outlayout setup

Michael Niedermayer michaelni at gmx.at
Sat Sep 5 15:15:52 CEST 2015


On Thu, Sep 03, 2015 at 04:09:05PM -0700, Ganesh Ajjanagadde wrote:
> On Thu, Sep 3, 2015 at 3:33 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> > From: Michael Niedermayer <michael at niedermayer.cc>
> >
> > Fixes CID1322306
> >
> > Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> > ---
> >  libavfilter/af_amerge.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/libavfilter/af_amerge.c b/libavfilter/af_amerge.c
> > index 9c3cfed..410d613 100644
> > --- a/libavfilter/af_amerge.c
> > +++ b/libavfilter/af_amerge.c
> > @@ -110,8 +110,8 @@ static int query_formats(AVFilterContext *ctx)
> >          for (i = 0; i < nb_ch; i++)
> >              s->route[i] = i;
> >          outlayout = av_get_default_channel_layout(nb_ch);
> > -        if (!outlayout)
> > -            outlayout = ((int64_t)1 << nb_ch) - 1;
> > +        if (!outlayout && nb_ch)
> > +            outlayout = 0xFFFFFFFFFFFFFFFFULL >> (64 - nb_ch);
> >      } else {
> >          int *route[SWR_CH_MAX];
> >          int c, out_ch_number = 0;
> > --
> > 1.7.9.5
> 
> LGTM

applied

thanks

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

The bravest are surely those who have the clearest vision
of what is before them, glory and danger alike, and yet
notwithstanding go out to meet it. -- Thucydides
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20150905/b9df1202/attachment.sig>


More information about the ffmpeg-devel mailing list