[mythtv] Trying to pinpoint the source of judder... help requested

[Colin Guthrie]

Viktor Avramov wrote:
> Hi there...
> 
> I have been struggling with a playback judder problem ever since I set up my 
> mythbackend/remote frontend setup 6 months ago and have gone through all the 
> usual suggestions on the wiki and the archives without any luck....
> 
snip...
> 
> The other interesting thing is that it seems to mainly be a problem during 
> playback of recordings and not live tv...

The only thing I can think of off hand is that it could be the same
problem I am getting with regard to my EPIA not using XvMC VLD accell'ed
playback when it should be.

The problem arises from the preview video in the watch recordings
screen, which somehow seems to prevent accell'ed playback due to some
sort of race condition.

Although different h/w you could be getting tripped up by the same issue.

Try turning off preview videos in settings and see if the problem goes away.

You can also try the myth-vid branch (something I need to do also but
not had time to do so far).

Daniel is helping me debug but I need to try the above branch first so
the ball is in my court.

See my musings on this list in a recent thread titled "EPIA M10k - XvMC:
Very high CPU (even when paused!!)"

Col.

-- 

+------------------------+
|     Colin Guthrie      |
+------------------------+
| myth(at)colin.guthr.ie |
| http://colin.guthr.ie/ |
+------------------------+