[mythtv-users] Playback vid corruption with 1080i (with pics)

[john sturgeon]

On 6/23/05, john sturgeon <john.sturgeon at gmail.com> wrote:
> On 6/23/05, Doug Larrick <doug at ties.org> wrote:
> > Glen Dragon wrote:
> > > I'm still seeing the problem that I reported a week or so ago.  I took
> > > some pictures to show the effect. Hopefully someone knows something.
> > > Interestingly enough it is also causing the same effect on the OSD.
> > > Pics:     http://www.jetcom.org/gallery/dragon-myth
> > > (There is some bluring due to difficulties in taking the picture, as I
> > > didn't have the tripod around. It really does look like that tho)
> > >
> > > I've tried different nvidia drivers (7664, 7167, 6629) no difference.
> > > I'm not sure what else to try.
> >
> > Deinterlacing is clearly not working in these pictures.  The stripes are
> > so wide because something (probably your video card) is scaling the
> > pictures to a resolution less than 1080 lines high.  Double-check you
> > have deinterlacing enabled, and check the output from 'mythfrontend
> > --verbose playback'.  Also note that bob deinterlacing is disabled if
> > you're playing at a speed other than 1x.
> >
> > -Doug
> >
> >
> 
> Doug is right on.  That is classic when resizing non-deinterlaced
> content.  You can also see this problem if your filter chain is in the
> wrong order, and you resize *before* deinterlacing.  You should always
> de-interlace prior to resizing.
> 
> --
> John <><
> 

by the way.. I'm aware that non-deinterlaced is a double negative,
but.. assuming that it would be deinterlaced I stuck with the term..
;)

-- 
John <><