[mythtv-users] Help with xorg.conf
adeffs at gmail.com
Thu Dec 22 14:46:46 EST 2005
On Thursday 22 December 2005 13:49, Allan Wilson wrote:
> I do have a VGA input on my TV but it will not take up the full screen if
> you use it. Refering to what you where talking about Michael should I get a
> cable to convert the VGA to something else? If so what input should I shoot
> for? I do like the idea of using the VGA output anyhow b/c every computer
> already comes with this. Even if I use the VGA out won't I still have to
> tell it the specs for my Display with a modeline since it is not standard?
Have you fed the tv a 1920x1080 signal over the VGA? I assume if you send it
something like 1024x768 it acts like a laptop monitor and doesn't scale the
image, just centers it. See what it does when you feed it a 1920x1080 through
> Steve, I have seen where some people are using different resolutions for
> different content but how do you control this? Also if you are using Myth
> in on a widescreen display what do you use for the theme. Thanks for the
> help I think I am starting to understand a little better.
its in the Setup/Utilities menu somewhere. It requires X randr.
> On 12/22/05, Steve Adeff <adeffs at gmail.com> wrote:
> > On Thursday 22 December 2005 12:20, Michael T. Dean wrote:
> > > Allan Wilson wrote:
> > > > Thanks Michael, that was just a flub I meant 1080p.
> > >
> > > Yeah. I was just mentioning the name of the standard so you and Steve
> > > were on the same page when I said that your TV /is/ a 1080p--as you
> > > claimed.
> > >
> > > > I know I shouldn't use the svideo out but it's what I've got now and
> > > > I am going to be adding a new box that will use a better connection.
> > > > Right now I mainly want to get my desktop and myth full screen on my
> > > > 16:9 screen. I haven't played with linux at all on a 16:9 screen can
> > > > someone give me some pointers I am suffering from to much info I
> > > > think. Like how do I find my HorizSync or my VertRefresh. What
> > > > modeline are you using and what lead you to using it? Thanks for the
> > help
> > > Just connect a VGA cable. Any video card should have one, and you'll
> > > get much better picture quality as a bonus (even at 640x480, the PQ
> > > will be better than a PVR-350's S-Video out--but you might as well go
> > > to a higher resolution). Since your TV (and all other 1080p TV's I've
> > > seen) doesn't support 1080p60 via DVI, you'll want to use VGA in your
> > > final 1080p configuration, anyway, so you might as well start moving
> > > that way.
> > >
> > > IMHO, you're just wasting time trying to get widescreen support with
> > > S-Video/Composite (which are designed for 4:3 NTSC--especially in the
> > > NVIDIA drivers). Since your final setup will be using VGA, you might
> > > as well go there now--even if you don't do 1080p--because it's easier
> > > to configure.
> > >
> > > However, if you really want to use S-Video, you can make it work by
> > > selecting the appropriate "scaling" mode on your TV (i.e. send a 4:3
> > > signal and make your TV stretch it).
> > >
> > > Mike
> > 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.
> > As of now, I don't think MythTV has an IVTC algorithm for playing back HD
> > sources though, so it will be interesting to see how the standard
> > deinterlace
> > algorithms handle HD stream output of 1080i material into 1080p.
> > 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
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