[mythtv-users] Ion2 Optimizations

Tom Lichti tom at redpepperracing.com
Tue Mar 24 15:48:04 UTC 2015


On Tue, Mar 24, 2015 at 9:25 AM, Michael Wisniewski <mikewiz38 at gmail.com>
wrote:

> Myth Users,
>
> I was wondering how many people out there are using Ion 2 boxes with Myth
> frontend, and what kinds of settings you have enabled to make the best
> experience.  It seems like these boxes work well, but there are some things
> you have to do first.  A few random wiki pages make some suggestions, but I
> haven't found anything that says do this this and this in one central
> location.
>
> From my experience, here is what I had to do so far....and I'm sure
> there's more that I'm missing.
>
> - Using Mythbuntu 14.04.2
> - During the install, use the nouveau.  Blacklist it after the install and
> use the nvidia driver from nvidia version 340.76. Couldn't get HDMI audio
> to work with built in drivers, or even the one from the ubuntu repo.  The
> real driver from nvidia got HDMI to work.
> - Enable 'vdpau' in the configuration of mythfrontend.  Resolution is
> anything greater than 0,0.
> - In the vdpau section, enable the de-interlacers.  I have to check what I
> have enabled.
> - Disable the 'upmix to 5.1 audio'.  When this was enabled, there was high
> cpu utilization (about 40% to 50% for mythfrontend).  This caused the EPG's
> audio to break up when paging through, since there was an additional load
> on the frontend.  Disabling the upmix dropped the utilization down to about
> 10% and mostly fixed the audio issues.
>
> I'm wondering what else is out there that I'm missing.  The wiki says
> to vdpauhqscaling, but I haven't tried that yet.  Thanks in advanced...
>

I have two ION frontends, and I don't think I've done anything outside of
what you mentioned. I'd love to know if anyone else has any more tips, but
I'm pretty happy with how mine are working.

Tom
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