[mythtv-users] Buffering issue with cmyth on XBMC

[Adrian Romano]

I tried to register for an account at openelec.tv, but it seems their
registration page is messed up, so I was hoping someone on this list has a
similar setup.
I have a MythTV backend running 0.26-fixes with Unbuntu 12.04. All machines
are connected via wired ethernet. Everything from the backend works fine
(with exception of a little motion blur, but that is a separate issue), but
I am having problems when using the XMBC mythTV plugin. I wasn't sure if
there was something I could change in mythtv to alleviate the issues on the
frontend.
I have 2 types of frontends, the first is a windows 8 machine that I just
bought. Everything works well for a while, but the video will randomly
buffer about every 8 minutes or so, and it takes around 20 seconds to
buffer, which is very annoying in the middle of a show. I should also
mention I am playing recordings that haven't been transcoded, so they are
mpeg2 via a Ceton Infinitv.
The other frontend is a Raspberry Pi running openElec. Before I purchased
it I was reading that it might be a little slow, but video playback should
be fine, but I have not experienced this. When the video does play, the
picture looks good, however it buffers constantly. When watching Live TV,
it will pause for like 1 second, then start again. This happens like 15
times per minute, which is unwatchable. I thought this might have something
to do with it being live TV, so I tried a recording, and it doesn't do
exactly the same thing, but it's similar. It will do a full buffer, where
it takes like 10 seconds, every couple of minutes. I tried overclocking the
pi, but it didn't help. I also was SSHd in viewing top while a video was
playing, and the CPU usage was only about 50%, so I don't think
overclocking anymore will help. I can live with the menus and guide being
slow, but not buffering in liveTV and recording playback. I am attempting
to replace my cable boxes, so until I solve this I will still be renting.
Has anyone attempted to do something similar and overcome these issues? If
so, how? Any help is appreciated.

-Adrian
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