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

[John Burton]

> 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?

The hardware mpeg decoder on these boards is not supported at all underl
linux at the moment.