[mythtv] DirectFV Matrox TV-Out

Anssi Hannula anssi.hannula at mbnet.fi
Tue Jan 10 21:05:32 UTC 2006

Wied Pakusa wrote:
> Hello.
> I hope you can help me, because i'm almost getting mad about the mythtv 
> installation :-)
> My hardware:
> -> Hauppauge PVR 250
> -> Matrox G450 DH


> XDirectFB runs with a nice quality on my TV-Out.
> I want to use XDirectFB (mythtv not compiled against qte but with 
> --enable-directfb) because qte doesn't use directfb but only the 
> linux-fb device - the quality is not so nice like directfb.
> But that's not import - my problem still remaining is:
> When i start the playback of TV or a movie it isn't displayed on my TV 
> but on Head1 (Monitor) ->
> example: mythfrontend runs on XDirectFB on Head 2 (TV-OUT) - then 
> starting Live-TV -> TV-Out black -> Live-TV plays on my monitor.
> So thats my question -> How can i make mythfrontend to show the picture 
> on Head 2? I hadn't found any information about that.
> I really hope you can help me, because i have the feeling i'm nearly 
> before a nice mythtv-center using my existing hardware.

The directfb support for mythtv doesn't by default use the tv-out of
matrox cards.

I however managed to get a picture to TV (I have G400) with mythtv gui
through XDirectFB and video through mythtv's directfb support with the
attached patch (which is a hack), but the interlacing was lost and
movements weren't smooth.

I didn't quite like the GUI of mythtv either, so I gave up and installed
VDR instead.

Anssi Hannula

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