[mythtv-users] Constant Video stalls/lockups - looking for suggestions

Bruce Nordstrand brucen at ksl.com.au
Mon Apr 28 00:45:19 UTC 2008



Raphael wrote:
> Bruce Nordstrand wrote:
>   
>> Hi all
>>
>> I am having a bit of trouble with video playback - both TV (PAL SD) and 
>> videos of various types (avi, mpg etc). I am running MythBuntu with .021 
>> on a 1Ghz Pentium III / 512Mb ram / FX5200. I was running 7.10 and 
>> upgraded last night to Hardy to see if the problem would go away.
>>
>> Playing *anything* will result in the video freezing for up to 30 secs 
>> and this happens randomly and sometimes more than once. Videos are on a 
>> network share via NFS and do the same whatever I use as the player 
>> Internal, Xine, MPlayer. It doesn't matter if there is anything 
>> recording or not - this machine is a combined frontend/backend. This 
>> makes it real hard to watch things like Buffy and Dr Who!!! :)
>>
>> Here's the kicker.... I installed (compiled) XBoxMediacenter for Linux 
>> on this machine just to take a look. Somehow, it plays anything and 
>> everything perfectly - no jumping, no freezes - just clean video playback.
>>
>> My question is: What should I be looking into to get MythFrontEnd 
>> playing just like XBoxMediacenter?  I must say that prior to installing 
>> MythBuntu I had standard Ubuntu with a custom compiled Myth and did not 
>> have these problems. I tried out Mythbuntu for the ease of it all after 
>> going down a different track so to speak. I know it can't be the machine 
>> because of XBMC playing fine so it has to be some settings somewhere.
>>
>>     
>
> You didn't mention it, but have you tried playing files stored locally 
> on the machine to rule out the possibility of a network problem 
> mythbuntu might have but not regular ubuntu?
> Raphael
>   
Hi Raphael

Yes, I copied a few Buffy episodes to the local hard drive but there was 
no change in Myths performance. XBMC however played them 100% perfect at 
35.6% CPU, just as it does with reading the files off NFS.

Cheers
Bruce


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