[mythtv-users] Guide Stutter

Scott & Nicole Harris snharris99 at live.com
Sun Apr 29 14:36:34 UTC 2012


>>>> Has anyone else noticed that with 0.25, the scrolling the guide in Live
>>>> TV
>>>> causes the live preview to stutter with every vertical selection 
>>>> change?
>>>> It
>>>> appears it may have something to do with the way channel icons are
>>>> handled,
>>>> because they all flicker as the redraw in their new positions when this
>>>> happens.
>>
>>
>>> I would guess it has to do with the various fixes for channel changing
>>> in live TV.  I think there are queries going on about whether the
>>> channel is currently tunable, and that is happening in the main event
>>> loop.  If the query/queries take longer than the frame interval, there
>>> is stuttering.
>>>
>>>
>>> Jim
>>
>>
>> Thanks for the insight!  Is there anything that can be done to help it? 
>> One
>> thing I don't understand is how the db can tell us if the channel can be
>> tuned?  Can't the assumption be made that if we have a  channel in our 
>> list
>> it should be tunable?  I am not trying to be snarky, I am trying to gain
>> insight.

>By "tunable", I mean it is checking whether the channel is on a
>currently free/available tuner.  (Note that multiplexes and input
>groups come into play here.)  This information is available only on
>the backend.

>Jim

Ahhh, now that makes perfect sense, thanks!  Now, is there anything that can 
be done to help it?  Either in my configuration or otherwise? 



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