On Thu, Sep 20, 2018 at 10:39:37AM +0800, myp...@gmail.com wrote:
> On Wed, Sep 19, 2018 at 7:07 PM Michael Niedermayer
> <mich...@niedermayer.cc> wrote:
> >
> > On Tue, Sep 18, 2018 at 09:37:29PM +0800, Jun Zhao wrote:
> > > Fixes ticket #7441.
> > >
> > > Signed-off-by: Jun Zhao <mypopy...@gmail.com>
> > > ---
> > >  libavfilter/vf_deshake.c |   12 +++++++-----
> > >  1 files changed, 7 insertions(+), 5 deletions(-)
> >
> > this doesnt look correct
> >
> > the blocks that will be used are not going out of array? so the contrast
> > calculated from them also should not
> >
> Do you mean the correct way is changing the pos calculated from:
> pos = (y - i) * stride + (x - j);  to  pos = (y + i) * stride + (x + j)  ?

Iam not the author of vf_deshake, but whatever aligns the checked blocks 
correctly, should be the correct solution

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

Modern terrorism, a quick summary: Need oil, start war with country that
has oil, kill hundread thousand in war. Let country fall into chaos,
be surprised about raise of fundamantalists. Drop more bombs, kill more
people, be surprised about them taking revenge and drop even more bombs
and strip your own citizens of their rights and freedoms. to be continued

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