i965 textured video crash

Matthias Hopf mhopf at suse.de
Fri Nov 10 07:14:39 PST 2006

On Nov 10, 06 13:34:15 +0100, Luca Dionisi wrote:
> I noticed a thing that I would say is strange.
> When I play a movie without Xv from any supporting movie player
> (e.g. a gstreamer aware app with x11 no Xv, or mplayer -vo x11)
> the video window does well all 3d effects (rotates with cube, woobles, ...)
> and the playback is good and the cpu is idle.

Can't be 100% idle, as the CPU has to do decoding and color conversion.

> If I use vesa driver, instead, the playback is bad and the cpu gets loaded.

This is mostly due to less efficient memory transfer.

> So I think it is accelerated.

Not really. Only XVideo has support for YUV color space. You can emulate
that with OpenGL, but not with plain X11.


Matthias Hopf <mhopf at suse.de>       __        __   __
Maxfeldstr. 5 / 90409 Nuernberg    (_   | |  (_   |__         mat at mshopf.de
Phone +49-911-74053-715            __)  |_|  __)  |__  labs   www.mshopf.de

More information about the xorg mailing list