[mythtv] non-Xv display support in CVS.

Chris Pinkham cpinkham at bc2va.org
Tue Mar 4 14:40:33 EST 2003


So Xshm would probably benefit here.  I'll get that coded up and
in CVS soon.  Thanks for the response.

> It's very slow for me.  On my Athlon XP 1700+, playback of recorded video
> pegs the CPU at 100% and the video playback is too slow and choppy to
> watch.  Of course Live TV is even worse.  Durring playback, mythfrontend
> takes anywhere from 60-90% of the CPU time and X takes most of the rest. 
> With the Xv drivers the CPU hovers around 15-20% utilization for
> simultaneous record/play.  Perhaps there are some X optimizations required
> that I'm not aware of.  I'm using the fbdev driver on XFree86 4.2.1 (with
> a Radeon 8500).
> 
> -Doug
> 
> Chris Pinkham said:
> > So how well does it work?  Can you ssh into the box and see what the
> > load is on the machine while this is running.  Is mythfrontend using a
> > huge amount of cpu or is it low.  On my Athlon 700, I think mythfrontend
> > was using less than 10-15% of cpu I think when running the non-Xv code.
> >
> > I'm just trying to see if it's worthwhile to code in support for
> > shared memory anytime soon.
> >
> >> Yes, you were right.  I deleted everything and re-installed and it
> >> works now.  Perhaps the library loader was using the .7 libs.  The
> >> last time I tried using the framebuffer driver (in the .7 release) I
> >> thought I couldn't even start mythtv.  Since it would run this time, I
> >> thought I was using the most up to date libs.  Thanks.
> >
> >> > This error message indicates that you are _not_ running a checkout
> >> with the  non-xv mode fallback.
> >> >
> >> > Isaac
> >
> > Chris
> >
> > *****************************************************************************
> > ** Chris Pinkham                  Linux v2.2.18, Sane v1.0.4, Cajun
> > v3.0-8 ** ** cpinkham at bc2va.org
> > http://www.bc2va.org/chris/ **
> > *****************************************************************************
> > _______________________________________________
> > mythtv-dev mailing list
> > mythtv-dev at snowman.net
> > http://www.snowman.net/mailman/listinfo/mythtv-dev
> 
> 
> 
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev at snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-dev
> 


-- 

Chris

*****************************************************************************
** Chris Pinkham                  Linux v2.2.18, Sane v1.0.4, Cajun v3.0-8 **
** cpinkham at bc2va.org                          http://www.bc2va.org/chris/ **
*****************************************************************************


More information about the mythtv-dev mailing list