[mythtv] 'WriteAudio: buffer underrun' during playback caused bythe scheduler

[Jan Kleinig]

Sorry, the other way round: 'ALSA:default' comes back to live, 
'/dev/dsp' dies...

Jan Kleinig schrieb:
> Got it working now using 'Video timing method: RTC', but I still have 
> the same probs... I found out that using sound device 'ALSA:default' 
> does end with no sound and a lot of 'WriteAudio: buffer underrun' in 
> the log, while using '/dev/dsp' stumbles with the picture and logging 
> the same 'WriteAudio: buffer underrun', but it comes back to live 
> after about 2 seconds...
>
> Any further idea?
>
> Lincoln Dale schrieb:
>>
>> [ingore previous post; i was lookOut'd]
>>
>>  
>>
>> hi Jan,
>>
>>  
>>
>> you're clearly running very close to the wire CPU-wise.  i'd suggest 
>> you look into ways of reducing your CPU utilization.
>>
>>  
>>
>> are you running frontend/backend on the same machine?
>>
>> if so, the fact that you have usleep busywait is a bad bad bad thing 
>> & you should look at getting it to use something else:
>>
>>  
>>
>>  
>>
>> 2006-09-09 17:10:49.399 Using realtime priority.
>> 2006-09-09 17:10:49.430 Video timing method: USleep with busy wait
>>
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>>
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