[MEncoder-users] green noise using -vf yadif

[Brian Penick]

Have you tried playing it in mplayer and running -vf cropdetect? Or just run
crop=720:560 before scaling it.  You lose a little bit of video but it might
remove the green line.

On Fri, Jul 25, 2008 at 12:25 PM, Tobias Brockamp <tobiasbrockamp at gmx.de>
wrote:

>
> Am 25.07.2008 um 18:33 schrieb Brian Penick:
>
> > It might be possible that the auto detection for field-dominace is
> > mismatching your fields try setting it to 0 and see what happens.
>
> > The  other
> > thing might be that the chroma sampling from your video camera might
> > lend
> > itself to not resizing well with the RGB conversion that scale
> > performs.
> > Try leaving out scale and keeping the 720:576 ratio.
>
> same problem with "-field-dominance 0 -vf yadif,scale=768:576,harddup"
> and also with only "-field-dominance 0 -vf yadif"
>
> >
> >
> > On Fri, Jul 25, 2008 at 7:13 AM, Tobias Brockamp <tobiasbrockamp at gmx.de
> > >
> > wrote:
> >
> >>
> >> Am 25.07.2008 um 13:47 schrieb RC:
> >>
> >>> On Fri, 25 Jul 2008 12:30:32 +0200
> >>> Tobias Brockamp <tobiasbrockamp at gmx.de> wrote:
> >>>
> >>>> i posted my mencoder command line and there it says:
> >>>>
> >>>> "-vf yadif,scale=768:576,harddup"
> >>>
> >>> Scaling after yadif doesn't change what dimentions yadif is seeing.
> >>>
> >>>> and also the input files (704x576 and 720x576)
> >>>
> >>> Oh well, that was the only guess I could make based on the little
> >>> information provided.  You could always provide a sample, as the
> >>> previous poster didn't.
> >>
> >> i posted a link to my thread in the doom9 forum, there is a
> >> screenshot
> >>
> >> http://forum.doom9.org/showthread.php?t=139703
> >>
> >> and i just have uploaded the input .mpg and the resulting avi file:
> >>
> >> http://rapidshare.de/files/40078452/yadif.zip.html
> >>
> >>
> >>>
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