[MPlayer-dev-eng] [bug] expand vs. pp vs. lavc :)

[Michael Niedermayer]

Hi

On Sunday 29 December 2002 17:03, Arpi wrote:
> Hi,
>
> Upon an -users mail, i've reproduced a strange bug:
>
> mplayer any-mpeg4.avi -vop expand=-64,pp=0x77
>
> it'll expand teh image width by 64 pixels well. the problem is that pp will
> produce strange horizontal green lines at the corners:
>
> http://debacle.org/~gleam/mplayer-green-lines.jpg
>
> (actually any pp value >=0x10 is ok to reproduce, but they produce a bit
> different pattern).
>
> is it again an expand problem (i don't think so, maybe some side-effects of
> some align-values?) or pp bug or feature? :)
pp bug, fixed, 
btw perhaps, we should mention in the tech docs somewhere that filters should 
try to avoid writing outside the width x height rectangle even if its within 
stride x height

[...]

Michael