[mythtv-users] What is temporal spatial deinterlacing, and how do I get it?

[Paul Gardiner]

Jean-Yves Avenard wrote:
> Hi
> 
> 2009/1/29 Paul Gardiner <lists at glidos.net>:
>> Is there an option, at least for 480i, 576i, 720p and 1080i content to
>> get MythTV to use an X mode that matches the content? Some TVs have
>> really high quality deinterlacing and scaling hardware. Sony's Bravia
>> seems to do a really great job of handling SD content. Some TVs don't
>> do so well of course, but I'm just thinking of the case where one has
>> a TV that does.
> 
> Go into the Setup, Appearance and check Separate video mode for GUI
> and TV playback.
> you can then set a particular refresh rate depending on the resolution
> of the video.

That's a nice feature. I have only SD content at the moment, but I
might try using it to match mode to the 720x576 and 704x576 programs,
so as to always avoid scaling.

> Unfortunately, this is based on a resolution only and you can't set a
> difference say between 1080i and 1080p
> 
> However, you may be disappointed with the end result.
> I have a Sony Bravia 46" XBR ; and as this TV does such a magnificent
> job at deinterlacing , I thought I should disable the mythtv
> deinterlacer, set the refresh rate at say 576i on the TV and let the
> Sony does the deinterlacing job...
> 
> For one reason or another, it didn't and it looked awful, like no
> deinterlacing happened at all..
> Seems that Sony deinterlacer and motion engine (as they call it) is
> only active when using the build-in tuner. But yes I agree: the Sony
> does a great job.

I've seen someone's Sony work well from their DVR. Could the problem
you saw be down to nVidia's problem with outputting interlaced modes?
Or has that been solved?

> So far, the only good deinterlacer I've found are the ones provided by VDPAU

Would you say that the VDPAU deinterlacer works as well as Sony's, or
not quite?