[Openchrome-users] cpu usage on SP8000

[Xavier Bachelot]

Udo van den Heuvel wrote:
> Hello,
> 
> I am busy setting up a VIA SP8000 as a PVR.
> Today I tested DVD playback with xine and noted that the CPU usage is
> quite high, picture looks OK for now.
> 
> The box is running FC4 and I am using the xorg RPMs from
> http://washington.kelkoo.net/epia/. (thanks for these!)
> The kernel has AGP support, DRI support with VIA driver compiled in. All
> stock 2.6.15.2 kernel.
> In /var/log/Xorg.0.log I see all drivers being initialised OK and AGP
> being used. Xine is set for xvmc and with lsof I see
> /usr/X11R6/lib/libviaXvMCPro.so.1.0 being used.
> 
> Speeds:
> 
> (II) VIA(0): Benchmarking video copy. Less is better.
> (--) VIA(0): Timed   libc YUV420 copy... 3658309. Throughput: 129.8 MiB/s.
> (--) VIA(0): Timed kernel YUV420 copy... 3705228. Throughput: 128.1 MiB/s.
> (--) VIA(0): Timed    SSE YUV420 copy... 2253985. Throughput: 210.6 MiB/s.
> (--) VIA(0): Timed    MMX YUV420 copy... 3967807. Throughput: 119.6 MiB/s.
> (--) VIA(0): Ditch 3DNow! YUV420 copy... Not supported by CPU.
> (--) VIA(0): Timed   MMX2 YUV420 copy... 2285039. Throughput: 207.8 MiB/s.
> 
> I see no errors in the log. Still xine uses 80+% of CPU.
>
indeed this is rather high.

> What could be wrong? (if at all?)
> 
just to be sure, you are also using the xine-lib from the above repo ?
and you are running xine with '-V xxmc' ?

Xavier