[MPlayer-users] Process X using too much CPU
dirk2 at wor.net
Tue Apr 29 06:33:37 CEST 2003
Jonathan Rogers wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Dirk wrote:
>> [Automatic answer: RTFM (read DOCS, FAQ), also read
>> when playing videos using "mplayer -vo xv" the process X uses about
>> 50% CPU (on an athlon XP 1800+) and the video quality is poor.
>> This did not happen before I upgraded my SuSE 8.0 to 8.2. Before, the
>> total CPU usage was less than 5%. I was using -vo xv because this was
>> the only -vo driver to use so litte CPU and giving such a good video
- no drops
>> no hangs - even when recoring withh mencoder at the same time and
>> the total CPU usage was at 95%.
> The main advantage of Xvideo (xv) is that it allows the hardware to
>do colorspace conversion and scaling (for fullscreen). Probably
>almost all video cards these days do have that capability, but not
>all XFree drivers know about it. I use the NVidia binary driver for
>my Vanta and xv works quite well. If I used the driver that comes
>with XFree for Nvidia cards, the card wouldn't be doing conversions
>in hardware, so I suspect it is a driver issue for you. Was it the
>same video hardware when there was little CPU usage?
I also suspected a driver issue, but I already posted in the mailing
list xfree86 at XFree86.Org and the developer if the sis driver told me
that it worked for him quite good. So I think it isn't a driver
bug. Or shoudn't I?
The video hardware hasn't changed, I have got a SiS 650 chipset with
SiS 301 for TVOut in a "Shuttle SS40" box. I only have a TV connected
to TVOut but no monitor - this box is my "personal video disk
What is the X process doing? The answer could help me to identify the
I have been thinking much about what has changed since it was working
so well. Well, I did a Update from SuSE 8.0 to 8.2... Could be many
I already tried to:
- switche back to my old kernel (2.4.18 compiled by myself)
- switche off acpi (kernel option acpi=off)
- tried my old, working XF86Config
- changed the colour depth from 16 to 24 bit (resolution is 800x600)
Any other hints?
Thank you very much,
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