[mythtv-users] Linux MPEG Decoder Driver on EPIA-M

Carlos Acedo hirs at linux-labs.net
Mon Jun 16 20:41:45 EDT 2003


Well, don't know if it uses the hw MPEG-2 decoder, but the CPU usage 
with xine playing DVDs is 30%, in Windows with PowerDVD is 70%

rwk at americom.com wrote:

>Hello,
>
>I have recently purchased a VIA EPIA-M board for running MythTV.  I have
>just gotten it up and running today.
>
>The EPIA-M board contains a hardware mpeg decoder.  However, when I fire
>up MythTV, running a top shows that 70% or so of the CPU is being used
>by the mythtv process.
>
>I was expecting there to be very little CPU usage because I was
>expecting the on-board mpeg decoder to be doing all the work.
>
>Here is what I did to get the mpeg decoder working:
>
>I obtained a file called: VIA_CLE266_40024-slim_02182003.zip from the
>viaarena website and installed it.  It contains the file: via_drv.o
>which it installs in /usr/X11R6/lib/modules/drivers.  I also changed the
>"Device" section of XF86Config to refer to: Driver "via" as well as the
>appropriate "Monitor" section ModeLines etc...
>
>I was under the impression that this is all that was necessary to get
>the hardware mpeg decoder working.  I am assuming that it is not working
>because of the high mythtv CPU usage (it is a Nehemiah M10000 and I
>would think the CPU usage would be negligible even on lower speed
>processors).
>
>. Has anyone gotten the EPIA-M mpeg decoder to work under X on Linux?
>  If so, can you suggest what I may have overlooked?
>
>. Am I correct in assuming that mythtv should not be using much CPU if
>  the hardware mpeg decoder is working?
>
>. How can I know if the mpeg decoder is being used?
>
>Thanks,
>Dick
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