El sáb, 27-12-2003 a las 23:39, Denis Oliver Kropp escribió:
> Quoting Thomas Vander Stichele:
> > a) it starts up 720x576, which is ok for PAL. Could I also make it use
> > 800x600, or is it inherently better to use 720x576 ?
>
> Yes, it's better to use the native TV resolution.
I've never really understood this part, so I'd better do some
researching. In my naive mind, my TV has a physical aspect ratio of
4:3, while 720x576 is 5:4. That means I have non-square pixels, right ?
Does that matter ? I assume at the very least it means that when I
develop the apps on my computer screen I'll have to live with them being
non-correct aspect ratio...
Anyways, does anyone know of good docs explaining why 720x576 is best
for PAL ?
>
> > b) When I run mplayer with dfbmga as the video output, it of course
> > thrashes my XDirectFB, plays fine, and on exit leaves X thrashed. Is
> > there some way to restore the framebuffer somehow so that I get my X
> > session back ?
>
> You should use the multi application core with the fusion module.
I thought so - will try that now. The reason I didn't is because
configure has the search for fusion.h hardcoded to
/usr/include/linux/fusion.h, while most packages I know that need kernel
source or headers allow an override of kernel include location. Would a
patch for that be useful ? If so, I'll make and submit it.
> > c) I can also run mplayer with x11 or sdl, causing it to playback to
> > my X session. This is a lot more jerky, of course. Is there a better
> > way to integrate mplayer and XDirectFB ? Would having the fusion device
> > help in this situation ? I know it means more than one app can access
> > the framebuffer simultaneously, but do they thrash each other or work
> > well side by side ?
>
> All applications share the same DirectFB session.
Right. But what decides which app will run on top of the other ?
Thomas
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