[mythtv-users] Tricks for calibrating X on PVR-350 output

[Joe Votour]

Andrew,

Your values are close to mine, but they will vary for
everybody, as different TVs will get different
overscan features.  I did the same thing for adjusting
my display.

Myself, I found that using ratpoison for a window
manager works quite well, better than using KDE.  It
frees up some memory (not really so important on a
machine with 512MB of RAM, I guess), and also, you
don't have to run mythfrontend in a window.  As an
added bonus, the GUI offset values work in ratpoison
(but not in KDE).

My values (on a Panasonic 32" TV):
GUI X Width: 480
GUI Y Height: 456
GUI X Offset: 16
GUI Y Offset: 16

Vertical overscan: 2
Horizontal overscan: 4

My .xsession (for ratpoison):
/usr/bin/mythfrontend -l
/var/log/mythtv/mythfrontend.log &
exec ratpoison

-- Joe

--- Andrew Plumb <aplumb at gmail.com> wrote:

> Hi Everyone,
> 
> I thought I'd share how I finally got my MythTV UI
> scaled properly on
> the output of my PVR-350, running KDE in FC2:
> 
> 0.  Fire up kcontrol
> 0.1  Go to Desktop->Panels->Hiding
> 0.2  Set "Hide Mode" to "Allow other windows to
> cover the panel"
> 
> 1.  In mythfrontend, go to Utilities/Setup -> Setup
> -> Appearance:
> 1.1  Go Next to the second screen, "Screen settings"
> 1.2  Check off the "Run the frontend in a window"
> box
> 1.3  Make sure "Use GUI size for TV playback is NOT
> checked
> 1.4  Restart the mythfrontend (since mine is set up
> for autologin I
> just Ctrl+Alt+Backspace)
> 1.5  Return to the screen in 1.1
> 1.6  Play with the GUI width, height, X offset and Y
> offset until you
> can just barely see the lower resizing corners and
> edge of the upper
> window box.
> 1.7  (optional) Enlarge the width and height by one
> step (adds 8 to each count)
> 1.8  (optional) Decrease the X and Y offsets by 4 to
> re-centre.
> 1.9  My settings (for my NTSC TV) are the following:
>    GUI width (px):  616
>    GUI height (px):  456
>    GUI X offset:  46
>    GUI Y offset:  4
> 
> 2.  In mythfrontend, go to Utilities/Setup -> Setup
> -> TV Settings -> Playback
> 2.1  On the 5th screen, "Hardware Decoding
> Settings", make sure "Use
> the PVR-350's TV out/ MPEG decoder" is checked.
> 2.2  On the 8th screen, "Overscan", set "Vertical
> over/underscan
> percentage" and "Horizontal over/underscan
> percentage" to a value of
> 8.  This will resize the overlay when you're
> watching TV or playing
> back video.
> 
> Hope this helps!
> 
> Andrew.
> 
> -- 
> 
> If you don't know what to do, do something.
> > _______________________________________________
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> mythtv-users at mythtv.org
>
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> 



		
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