[mythtv] OSD flicker

Nick Hall mythtv-dev at nickh.net
Tue Jul 27 18:50:18 EDT 2004


Isaac Richards wrote:

>On Monday 26 July 2004 07:04 pm, Nick Hall wrote:
>  
>
>>Hi,
>>
>>When resuming a paused 'live tv' session, the OSD seems to flicker quite
>>a lot if you happen to unpause it at the wrong moment - if the playback
>>is resumed right on a second boundary (or close), the code which
>>recalculates the 'number of seconds behind' count, can cause the OSD to
>>flicker between 'X seconds remaining' and 'X-1 seconds remaining' for a
>>short while.
>>
>>I'm not that familiar with the code, but at tv_play.cpp:1116, there
>>appears to be a loop counter check which appears to determine when to
>>update the OSD - it's currently set to '20' - increasing this to (e.g.)
>>100 seems to make the flicker less severe.  Does changing this
>>potentially impact anything else?
>>
>>I'm running on a EPIA MII 12000/PVR350, latest myth CVS, ivtv ck100i -
>>have checked the lists but couldn't see anything obvious.
>>    
>>
>
>Most likely due to a broken ivtv driver (frame positioning information is 
>wrong during decoding).
>  
>
Thanks for your response - could you elaborate and/or suggest anything 
else I can try to narrow this down a little before I post to the ivtv list?

Cheers,
Nick


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