[mythtv-users] Much improved 1080i display
lists at glidos.net
Thu Apr 2 15:12:15 UTC 2009
Simeon Walker wrote:
> 2009/4/2 Paul Gardiner <lists at glidos.net <mailto:lists at glidos.net>>
> Jean-Yves Avenard wrote:
> 2009/4/2 Paul Gardiner <lists at glidos.net <mailto:lists at glidos.net>>:
> Below is a post from the thread "New deinterlacer for
> perfect image
> quality when using an interlaced display, mode that matches the
> source" I just thought I'd repost it under a different title
> the original title gave the impression that use of the
> was only for interlaced displays. This should give improved
> quality on any TV with good 1080i support.
> I haven't had much luck with it.
> Video card is a nVidia 9400M (integrated IGP)
> TV is a Sony LCD native 1920x1080.
> Set the output to be 1080i @ 50Hz
> Created a video profile to use the Interlaced 2X de-interlacer
> Started watching a 576i video
> And I can't see the Sony doing any deinterlacing whatsoever ... It's
> like none were applied
> I think that's as I would expect. I don't have an HD TV or any HD
> sources to test with, but I believe Tom has his system set up to
> use several display modes, matching them to the source. So you'd
> need to make it use the 1080i mode only for 1080i content, and
> you'd need a 576i mode more 576i content. That's assuming you
> can send 576i via the input of the TV that you've chosen to use.
> My guess would be that HDMI and DVI inputs can accept 576i, but
> I've never tried it.
> I think quite a few HDTV's won't accept SD interlaced over the DVI/HDMI.
> My Samsung certainly won't.
Then it would probably be best to use a 720p display mode and the yadif
deinterlacer (or one of the vdpau ones) for 576i. But still 1080i
content should benefit from using a 1080i mode and the fieldorder
Another option would be to use S-Video or Scart for SD. My suspicion
is that the improved deinterlacing within the TV will outweigh the
difference between S-Video and HDMI for SD content (an untested
theory, I have to admit).
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