[mythtv-users] Help with xorg.conf

Allan Wilson allanwilson at gmail.com
Thu Dec 22 22:29:06 EST 2005

This probably wont help Gary but I think you can adjust the Myth screen
position in mythsetup. Maybe that will help some.

Micheal can you pass me your 1920x1080 modeline so I can give it a try .
Everything that I am trying is telling me out of bounds for my screen.
Thanks for helping out.


On 12/23/05, Gary Manning <gmanning45 at hotmail.com> wrote:
> From:  Steve Adeff <adeffs at gmail.com>
> >If your TV is 1080p then its best native mode will be 1080p. Unless your
> TV
> >has a Faroudja scaler, and possibly even if it does, you'll want to run
> >your
> >video card output at 1920x1080 and have MythTV, etc, output at this
> >resolution.
> >
> >Some caveats:
> >Some TV's have native modes for SD at 480p which if any of your SD
> signals
> >are
> >noisy you might want to have Myth output at these lower native
> resolutions
> >since scaling can make the picture look really bad.
> >
> >For things like DVD's, digital cable sources (even if run through a PVR
> >card's
> >S-Video), and of course HD material, go ahead and have Myth/MPlayer/Xine
> >scale them to 1920x1080. The software scaling will be as good if not
> better
> >than the internal scaler on your TV, and since these sources will be
> >realitvely free of signal noise(with the PVR material being the worst,
> even
> >when its clean) scaling to 1080p will definitely be the way to go.
> >
> >When playing back DVD's with MPlayer or Xine, give a try using their IVTC
> >filter. The one to use with MPlayer is "-vf pullup,softskip", I'll gander
> >Xine has a similar one, though I haven't played around with Xine in a
> >while.
> >This should, in realtime do the best inverse-telecine for outputting to a
> >progressive display. Worth a try.
> >
> >--
> >Steve
> I am struggling with my display config as well.  I am running an AMD
> XP2600
> (mythtv from atrpms), Dvico Fusion 5 Gold (cable, QAM
> and
> analog), Nvidia 6200 (7676 drivers), component out (1280x720p) to Sony LCD
> HDTV.  Fusion-tuned HD material is good, but SD looks terrible compared to
> that produced by the TV's tuner, or my old Series 1 Tivo.  Now maybe a
> different SD tuner would help (I am thinking about a PVR-500), but for now
> this is what I have to work with.
> In addition to the poor SD quality, I am unable to run with XvMC disabled.
> I have read of others with similar hardware having success wthout it, and
> I
> would also like to do the same if possible to smooth out channel changes
> and
> OSD.  I tried a variety of different settings for deinterlacing etc. but
> nothing was watchable without XvMC due to severe studdering.
> The last issue (so far) is that some (but not all) of the config screens
> are
> being cut off at the bottom by varying amounts, in some cases the entire
> row
> of 'back', 'next' etc. buttons are completely off screen.  Every screen
> size
> setting I have found is set for 1280x720, and my KDE desktop is displayed
> properly.
> My TV has good deinterlacing/scaling abilities.  Is there a way to tell
> Myth/Nvidia to output the video unchanged?  If so, and it makes sense to
> do
> it, that might improve the SD picture and performance issues.  If this is
> not possible, what other options do I have?  Different versions of myth or
> the nvidia drivers?  Config changes?  Other than the obvious ones in
> setup,
> I am lost on where to look/what to change.
> The bottom line is that I have most of it working, but as a Linux/Mythtv
> newbie, I think I have come as far as I can with Google and howto's.
> Gary
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