Re: G3's, G4's, Altivec, DVD's, iBooks, and TiBooks

[Michel Dänzer <daenzer@debian.org>]

On Thu, 2001-10-25 at 00:19, Michel Lanners wrote: 

> - make the iDCT and motion compensation of the ATI chip available under
>   Linux. Single most usefull improvement.

Unfortunately, it's also the least likely to happen.

I think fully utilizing what we can should allow for at least bearable
playback on any current hardware.


> Also for comparison, a Celeron 600 with an ATI Mach64 (Mobility M1,
> really), using the Gatos Xv-enabled drivers, with MTRR set, plays smooth
> DVD at 30%-40% CPU usage. Keep in mind that CPU provides MMX
> acceleration which is heavily used for DVD playback.

How do you measure the CPU usage? Peter Surda suggests that top doesn't
tell the whole truth. Unfortunately, I seem to have lost his mail
explaining how to get more accurate numbers, but it should be found on
Xpert or l-k.


-- 
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast