we are working on DirectFB support. It will solve the performance issues
on Via EPIA motherboard.

there is no issue date at the moment.

++

On Sat, 2007-02-17 at 18:25 +0100, [EMAIL PROTECTED] wrote:
> On Sat, 17 Feb 2007 17:45:25 +0100, Sven Neumann <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > I am using a fanless EPIA VIA system in our living room. See
> > http://svenfoo.geekheim.de/index.php/2006-11-20/music-everywhere/ for
> > some more details. I am currently using mpd for audio playback and vlc
> > for video and DVD playback. This setup works nicely but I would prefer a
> > real media center solution.
> >
> > Today I gave elisa a try. The debian packages installed nicely. I had to
> > update libgl1-mesa-dri to the version from debian experimental to fix a
> > bug in the VIA Unichrome DRI driver but finally got elisa up and
> > running.
> >
> 
> Ok that's nice to hear :)
> 
> > First of all, let me state that I am very impressed with the software.
> > It's easy to install and worked almost out of the box. I also like the
> > fact that it is not centred around watching TV. A lot of other projects
> > suffer from this. TV is unimportant for me.
> >
> > Now to the actual subject of my mail. While I got elisa up and running
> > on my hardware, the performance leaves a lot to desire. The UI works
> > reasonably well (not smooth, but OK). Audio playback works, but takes
> > about 70% CPU. My current solution (mpd) does playback of MP3 files with
> > about 15% CPU usage. Performance of the picture viewer is acceptable.
> >
> > Video playback however is absolutely not usable. While vlc and mplayer
> > both manage to play back pretty much any video on this hardware with
> > about 40% CPU usage, elisa video playback eats up all the CPU cycles and
> > still doesn't manage to bring more than one or two frames per second to
> > the screen.
> >
> 
> EPIA based computers are currently not very well supported by
> Pigment, the Elisa rendering/widget engine. The problem is that
> GPUs used by EPIA boxes (most of the time) don't implement OpenGL
> features (like GLSL shaders) used by Pigment. Those features are
> currently critical to get smooth video playback on Elisa.
> 
> Mplayer and VLC work fine for you on the same hardware because
> they use the XV extension. At some point Pigment might make use
> of that as well, there's a opened ticket in our Trac, see
> https://core.fluendo.com/pigment/trac/ticket/63
> 
> > I understand that the project is at an early stage. All I want to know
> > is if there's a chance that it will ever work reasonably well on such
> > low-end hardware. Is there anything I could try to improve performance
> > of video playback?
> >
> 
> Right now I'm afraid there's nothing you can do to improve video performance 
> of video playback. We haven't planned yet XV support in Pigment, you're 
> not the first to need it and you won't probably be the last :)
> 
> Philippe

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