[FFmpeg-devel] [RFC] How to fix DR+lavfi+vflip crash

Stefano Sabatini stefano.sabatini-lala
Mon Dec 27 23:39:53 CET 2010


On date Monday 2010-12-27 20:14:00 +0100, Michael Niedermayer encoded:
> On Mon, Dec 27, 2010 at 07:07:53PM +0100, Stefano Sabatini wrote:
> > On date Monday 2010-12-27 18:14:26 +0100, Stefano Sabatini encoded:
> > > On date Monday 2010-12-27 16:13:14 +0100, Michael Niedermayer encoded:
> > [...]
> > > > applied (without typo)
> > > 
> > > Unfortunately can't work with pad, I was too quick to push the button.
> > 
> > Check attached, works for me, but since I've been confused tons of
> > times by this problem I prefer to get another look by someone else.
> 
> pad crashes in put_pixels16_sse2() for me on its own and ironically not with
> vflip but there are vissual artifacts on the left side

put_pixels16_sse2() is assuming some kind of 16-bit alignment for the
value in pixels, it doesn't crash when the y pad value is a multiple
of 16.

> Ill look into this once you fixed pad working without vflip and if its then
> still not working with vflip

Uh what's this a sort of bargain? The problems look completely
unrelated.

> PS: ffplay ~/videos/matrixbench_mpeg2.mpg -vf pad=1000:576:100
> if you cant reproduce i can look into this more
-- 
FFmpeg = Fiendish Fanciful Mysterious Prodigious Enhanced Gadget



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