[mythtv] DVB Radio issues

[Steven Ellis]

David Matthews wrote:
> Steven Ellis wrote:
>   
>> Didn't get any replies on Myth Users and I'm wondering if I should report
>> these as bugs.
>>
>> 1. General performance issues playing DVB-S Radio. When I first tune to a
>> channel I get a lot of stutters and it takes a while for the audio to
>> stabilise. Appears to be an issue with the audio video sync as after a
>> while it looses sync again. What is the frame rate of the fake video
>> stream?
>>
>>     
> It's 25 FPS.
>
> I've seen problems like this in some situations and haven't managed to 
> pin it down.  When this happened on minimyth I managed to solve it by 
> ensuring that mythfrontend ran as an unprivileged user rather than root. 
>   I still don't understand why that worked.
>
> That may not be the problem in your case.  I suspect that this has 
> something to do with the data rate and buffering in the front end.  The 
> bit rate of a normal TV video+audio stream is substantially higher than 
> that of a radio+fake video stream and when I've seen stuttering it 
> usually seems to be accompanied by prebuffering pauses in the log.
>   

Yes I keep seeing the same pre-buffering errors in the log.

-- 
Steven Ellis - Technical Director
OpenMedia Limited
email   - steven at openmedia.co.nz
sales   - sales at openmedia.co.nz
support - support at openmedia.co.nz
website - http://www.openmedia.co.nz