[mythtv-users] Myth on the Epia M10000

[Steve Hayles]

Paul,

I use an M10K as a combined FE/BE system using a DVB card.  Slightly
different to your set-up but I can confirm that I am using the
Unichrome Drivers to allow HW MPEG decoding and the onboard sound
outputting at native DVB resolution which is 720x576.

There have been a few tweaks avaialble to improve the quality of the
output (mainly from Terry Barnaby which stop any form of scaling both
in the X drivers and within MythTV itself).  I have 'perfect' (better
than a high end freeview box according to my wife) playback with no
stuttering or prebuffering pauses with about 25% CPU usage.

I use a CVS version from about the middle of November and use native
ALSA output from the EPIA spdif socket.

I am delighted with the setup and SSH'ing to the box I can see that
the system has no been running without crashing for over a month.

It has taken a fair bit of experimenting to get this far, but the
improvments have mainly been within Myth itself which is MUCH more
stable for me now than it was six months ago although most of these
stability improvments have bee associtade with the DVB side of things

If there is anything further that you want to know about the
configuration I use then please ask away

Good luck


On Tue, 11 Jan 2005 14:29:16 -0000, BARKER, Paul
<paul.barker at orange.co.uk> wrote:
> 
> 
> Hello all 
> 
> If you read my posts of last week you'll remember that I've been trying to
> build a frontend on an Epia M10K system to replace my current large frontend
> box that used to be a combined fe/be.
> 
> I'm having big problems trying to get live TV and recordings to run without
> either audio out of sync messages (which results in dropped frames) or
> prebuffering pauses.
> 
> The current fe is an Athlon XP1800 with 512Mb of RAM and my LiveTV recording
> profile is full PAL res at 720X576. (The b/e uses a PVR250)
> 
> On the Epia box if I try to watch live TV or a recording recorded at this
> resolution I get choppy playback. If I drop the resolution to 360x576 things
> are pretty smooth. My CPU isn't pegged and I've turned off swap, switched to
> alsa and upgraded to the latest alsa kernel mods all as suggested in
> different posts on this list. I'm intending to use MythCVS so I can use the
> CLE266 h/w mpeg stuff and have tried various builds of the Unichrome drivers
> and MythCVS with varying results. I've also put another soundcard in and
> disabled the onboard sound. I'm at a point where I seem close to getting
> this to fly but it's taking up rather a large amount of time.
> 
> I guess my basic questions are  
> 
> 1) Is anyone out there running Myth using the Unichrome drivers on an M10K
> and using native PAL resolution without problems ?
> 
> 2) If yes do you use the onboard sound ? 
> 3) Am I in overkill land with the 720 x 576 recording profiles ? (I was
> trying to minimise any filtering or scaling) 
> 
> If I know this *should* work and is possible I'll keep plugging away but I'd
> like to know if I should just stop banging my head on the brick wall and
> switch to a lower resolution ;-)
> 
> Cheers 
> 
> Paul 
> 
> 
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