[mythtv-users] HDTV MythTV parts list

[Jarod Wilson]

On Friday 16 September 2005 10:36, Jack Perveiler wrote:
> --- Jarod Wilson <jarod at wilsonet.com> wrote:
> > On Sep 15, 2005, at 07:43, Jack Perveiler wrote:
> > > --- Jarod Wilson <jarod at wilsonet.com> wrote:
> > >
> > > <snip>
> > >
> > >> Was gonna say... I'm pushing my 1080p LCD via DVI from a 6200, no
> > >> problems
> > >> whatsoever with either 1080i or 720p playback (and no sw deint
> > >> filters at
> > >> all, yay!). Sync to VBlank was definitely key here too, forgot to
> > >> turn that
> > >> on at first and was slightly befuddled for a bit.
> > >
> > > Jarod,
> > >
> > > You've mentioned a couple of times now you aren't using any sw
> > > deint filters.
> > > 1080p is a progressive output, though... how are you getting away
> > > with this?
> > > How do you avoid the deinterlaced motion nastiness with 480i and
> > > 1080i content?
> > >  I'm pushing my 720p DLP and without deint filters motion looks
> > > terrible on
> > > interlaced content.  What's your secret? :)
> >
> > My TV does everything for me automagically in hardware. :-)
> >
> > Deinterlacing a 1080i signal for display at 1080p is easier than
> > doing it for a 720p display, since you don't have to scale the video
> > at all. I dunno the specifics of exactly what's happening under the
> > hood on my TV, but I get absolutely zero interlace artifacts on 1080i
> > content. I do see some minor interlace artifacts on 480i stuff, but
> > only upon very close inspection (nose near the screen), and even
> > then, they aren't bad. My ASSumption is that the TV just has a really
> > good deinterlace filter in it. Maybe I should read my TV's manual one
> > of these days to figure out exactly what's going on... ;-)
>
> Ah.  So it sounds like you're using a 1080 interlaced modeline then, and
> you're letting the tv doing the deinterlacing.

Nope, sorry for the confusion, just re-read what I wrote. I wasn't quite 
clear, but...

> For a minute I thought you 
> were saying that you were sending 1080 progressive but with no sw
> deinterlacer to take you from 1080i to 1080p and it still looked good.

...that's exactly what I'm doing.

> My cable box DVR has the ability to set it's output to "pass-thru", meaning
> that 720p programs are output as 720p, 1080i is output as 1080i, etc and
> the TV handles the rest.  I don't suppose anyone knows if there's a way to
> make myth behave similarly?  Modern TVs are getting pretty good and doing
> their own deinterlacing/scaling (I know mine, a Samsung HLR-5667, does) and
> it would be nice to have myth not have to worry about the deinterlacing.

xrandr like Mike said. :-)

-- 
Jarod Wilson
jarod at wilsonet.com
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