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Re: drift / sync issue with ProRes playback

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Re: drift / sync issue with ProRes playback
by Miska Draskoczy on May 5, 2008 at 5:03:40 pm

yes everything is rendered and on the same 4-drive raid 5 (can do over 150mb/s). abort on drop frames is ON in prefs (otherwise I can't make a tape master if its going to skip frames) in any case, I'm not getting dropped frame errors, its just falling massively out of sync with no error messages. I'm also at this point not even using media files to do tests, just bars and tone, which should take very little bandwidth to play in ProRes since there is no intraframe movement.

the plot thickens - I did more tests, fiddling with the view->video playback setting:

AJA Kona 1080i29.97 10-bit (1920x1080)
- playing from the timeline (not ETT), external monitor/SDI quickly falls approx 2-3 secs out of sync.
-Using ETT, same thing, quickly goes out of sync by 2-3 secs.

AJA Kona 1080i29.97 8-bit (1920x1080)
- playing from timeline (not ETT), external monitor/SDI DOES stay in sync! (and this isn't even supposed to be the setting for ProRes HQ, right?).
-Using ETT, same thing, quickly goes out of sync, but by a lesser amount, 1-2 secs.

gotta be a setting or driver/config issue somewhere, but can't seem to see what that could be.

-m





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