[mythtv-users] OT: HDTV artifacts/waviness
doug at ties.org
Wed Jun 9 20:24:37 EDT 2004
John Sturgeon wrote:
> Some of the HDTV (1920x1080i) content I have has strange waviness during
> motion. It creates what I guess I could best describe as a 'fat'
> interlaced picture. You can see a screen shot here:
> http://www.sturgeonfamily.com/images/screenshot.php I have tried
> various deinterlacing filters, but none have any effect. I'm guessing
> I'm missing something really basic here.
I'd guess you're using XvMC? The deinterlacing filters don't work at
all for XvMC.
If you're not using XvMC, double-check that the normal deinterlacing
filter doesn't remove it. This effect is exactly what I see if I feed
an interlaced frame to my 1920x540p (or 960x540p) output. I think it's
the hardware scaling algorithms not doing a very good job with the
If you're actually using an interlaced output mode (1080i), you're
beyond my experience.
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