[mythtv-users] Slow program guide using opengl or qt

Chris Stevens chris at mindblow.co.uk
Wed Oct 7 14:37:24 UTC 2009


Thanks for the reply Dave, but I've found the problem: it was due to the
icon directory (/var/lib/mythtv/.mythtv/channels) being empty. Obvious!

Chris

On Wed, 2009-10-07 at 14:53 +0100, David Knight wrote:
> On Wed, October 7, 2009 11:09 am, Chris Stevens wrote:
> > I have seen various posts about a slow UI, but all to do with peripheral
> > aspects like no acceleration etc.
> >
> > This is Myth 0.22, nVidia accelerated graphics, compiled, and the same
> > problem applies to all interface styles and themes.
> >
> > The interface is generally fast using OpenGL, but (specifically) the
> > program guide takes 5 secs to move up or down a line. Moving right or
> > left takes longer than it should - about a second. The program finder is
> > fine and there is no appreciable CPU usage (3%).
> >
> > Suggestions gratefully received. Is this a bug?
> >
> > Chris
> >
> >
> >
> 
> I've also noticed general slowness in the UI sometimes accompanied by a
> buzz of disk activity when the slowness occurs (no jobs running in
> background). Changing to the Qt painter has made quite a difference on my
> system compared to OpenGL which is sometimes painfully slow. However with
> Qt mythfrontend locks up sometimes when changing channel in the programme
> guide.
> 
> Dave K.
> 
> 
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