[mythtv-users] Time for new hardware. CPU HIGH loads

[Bruce Taber]

Mark Hutchinson wrote:
> Eric Smith wrote:
>   
>> On Sun, Feb 24, 2008 at 8:14 AM, daniel åkerud 
>> <daniel.akerud at gmail.com <mailto:daniel.akerud at gmail.com>> wrote:
>>
>>
>>     I use Mythbuntu weekly builds and have noticed this as well. I
>>     used Yadif 2x before and there was no problem at all. Now I can't
>>     even use it on SD-content. Something tells me this has nothing to
>>     do with any optimizations you try to turn on.
>>
>>
>>
>> I updated to trunk on Sunday and noticed similar issues.  I have a 
>> guess that the performance issue is due to the recently added audio 
>> upmix code.  The default settings for it seem to require quite a bit 
>> of CPU time.  Changing the upmix setting to passive brought my cpu 
>> load back down to reasonable (although maybe still slightly higher) 
>> levels.  There is currently an open ticket to change the default 
>> setting to passive, perhaps for this reason?
>>
>> http://svn.mythtv.org/trac/ticket/4775
>> ------------------------------------------------------------------------
>>
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>>   
>>     
> Could this be the cause of the "dropped audio" and choppy audio/video 
> that I and others have seen in SVN for the last month?
> Thoughts?  Has anyone else had to change this to passive to fix things?
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>   
Is this possibly related to x86_64 in any way? I've been having a 
difficult time on 2.6.23.15-137.fc8 x86_64 getting the settings to make 
the audio work correctly. The system "seems" to be setup as most of the 
other applications such as xmms, rhythmbox, mplayer, and xine all 
function properly. I just can't seem to make mythtv control the audio at 
the moment.

I also had the audio drop outs and overruns with one of the compiles in 
my effort to figure out the problems.