[mythtv] DirectFB/QTE on /dev/fb1 with ivtv / PVR-350

Martin Rehfeld klickmich at gmx.de
Sat Feb 7 10:11:09 EST 2004

O.k.! Thanx for clarifying that.

I just tested mythfrontend with the newly compiled QTE (no-rtti removed
from mkspecs/qws) and it works. I tried building without drirectfb
alltogether but that lead to dependency problems so I left it in.

Three problems remain:

- The font used to display the GUI is not the same as with QT/X (looks
more like Times) and there are problems displaying some "Umlauts".

- As was mentioned in another post before, some screens do not draw
correctly (for example the main menu shines through in mythgallery).
Wayne: Is this rather a problem of QT/E or has MythTv to do some things
in a "cleaner" way to work with both QT flovours?

- And a minor one: How do I get rid of that useless mouse cursor which
is sitting right in the middle of my TV screen ;-)

If anyone has already solved these I would be pleased to get some


> -----Original Message-----
> From: mythtv-dev-bounces at mythtv.org 
> [mailto:mythtv-dev-bounces at mythtv.org] On Behalf Of Wayne Hogue
> Sent: Friday, February 06, 2004 8:58 PM
> To: Development of mythtv
> Subject: Re: [mythtv] DirectFB/QTE on /dev/fb1 with ivtv / PVR-350
> Joseph A. Caputo wrote:
> >On Friday 06 February 2004 02:37, Martin Rehfeld wrote:
> >  
> >
> >>... Just to follow up on my own post, in case SB is interested.
> >>
> >>The relevant settings for choosing the output framebuffer 
> are not in 
> >>directfb but in QT-Embedded. One can either set the environment 
> >>variable "QWS_DISPLAY=:/dev/fb1" or use the command line switch 
> >>"-display
> >>
> >>:/dev/fb1".
> >>
> >>What is directfb acutally used for - I though it was the low level 
> >>output driver below QT/E - am I missing something?
> >>    
> >>
> >
> >Hmmm, not sure, but I think DirectFB is for the hardware-accelerated
> >video output (since we don't have Xv if we're not running 
> X).  Qt/E is 
> >just for the basic UI display.  Somebody care to confirm?
> >
> >  
> >
> Absolutly correct.
> QT/E removes the need for X in the GUI.  DirectFB removes the 
> need for X 
> in video display.
> With a 350 setup, you would just need QT/E as the 350 is 
> taking care of 
> the video display.
> -Wayne
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