[mythtv-users] hdtv modeline question

Jonathan Watmough jonathan.watmough at gmail.com
Fri May 6 20:23:36 UTC 2005


On 5/6/05, Nate Thompson <nightstrm at gmail.com> wrote:
> 
> On 5/6/05, Drew Tomlinson <drew at mykitchentable.net> wrote:
> > On 5/5/2005 3:32 PM Xiaotian Sun wrote:
> >
> > >On 5/5/05, Donavan Stanley <geckofiend at gmail.com> wrote:
> > >
> > >
> > >>On 5/5/05, Xiaotian Sun <sun.xiaotian at gmail.com> wrote:
> > >>
> > >>
> > >>>On 5/5/05, Donavan Stanley <geckofiend at gmail.com> wrote:
> > >>>
> > >>>
> > >>>>On 5/5/05, Xiaotian Sun <sun.xiaotian at gmail.com> wrote:
> > >>>>
> > >>>>
> > >>>>>Hi,
> > >>>>>
> > >>>>>I have a 42" Plasma HDTV (Vizio P42HD), with VGA (D-Sub) and DVI
> > >>>>>inputs. It has a native resolution of 1024x768. For now I've been
> > >>>>>running my display at this resolution via VGA connection. I have 
> got
> > >>>>>any luck with the DVI connection. The text messages at boot time
> > >>>>>displays fine via DVI, but the X Window doesn't.
> > >>>>>
> > >>>>>I also haven't got any luck to come up with a modeline that works
> > >>>>>great for my TV.
> > >>>>>
> > >>>>>
> > >>>>Try this one:
> > >>>>
> > >>>>Modeline "1280x720" 74.25 1280 1316 1452 1644 720 720 723
> > >>>>751 -hsync +vsync
> > >>>>
> > >>>>
> > >>>>
> > >>>It sort of works, but part of the display goes outside screen. But
> > >>>the display quality looks about the same as a 1024x768 at 60Hz.
> > >>>
> > >>>
> > >>That screen LOOKED like it was a widescreen, it may very well be that 
> it's not.
> > >>
> > >>
> > >>
> > >
> > >I know 1024x768 is 4:3 in pixels. But these 42" Plasma displays often
> > >have this native resolution because their pixels are not square. And
> > >it claims support 720p and 1080i. I just couldn't get anything like
> > >that work greatly. I actually can display something via the VGA
> > >connection using some modeline I found online for 1080i. But the
> > >texts, even the mythtv menus, are flicking.
> > >
> > >
> > I'm no expert but in my limited experience with MythTV on a VGA screen,
> > I got flickering text when "bob" was selected as deinterlace setting in
> > MythTV.
> >
> > HTH,
> >
> > Drew
> >
> > --
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> >
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> >
> Isn't flicker normal when using an interlaced mode?



No flicker here with kerndeint and 1080i.

However, it has a tendency to stutter if I have an encoding job going on at 
the same time.

Jonathan


Nate
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