[mythtv-users] Playback vid corruption with 1080i (with pics)
john.sturgeon at gmail.com
Thu Jun 23 16:45:40 UTC 2005
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 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.
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