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What Am I Not Understanding
I’m compositing in AE using 720p24 Apple ProRes 422 (HQ) footage. As I’m working in my timeline everything looks great. I add it to my render queue with Render Settings at Best and Output Module set to Apple ProRes 422 (HQ). When I look at the finished render the first few frames look as if the gamma has been raised, but then it suddenly pops back to normal. The number of frames at the heads that have been changed in my comps seems to be arbitrary. I’m faced with a deadline and don’t have a lot of time for troubleshooting. My work-around has been to increase the duration of my comps by 2 seconds, then slide all tracks to the tail. The final result is a render that has 2 seconds of black at the head with no jump in levels.
Does anyone have insight to this issue?
Scott Skaja
edit/design/animation
http://www.scottskaja.com -
3 Replies
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Dunno I haven’t worked with prores in AFX, but I do know there’s plenty of gamma problems abound in general especially related to QT in AFX. I’d try rendering to a different output just to see what happens. Or opening your ProRes render in QT and stripping the gamma data to see if that helps. I haven’t done it in a while and forget what the option is for that, but also if you google quicktime gamma stripper there are little programs out there to do it. Though in any case I’ve never had the “flicker” or temporary gamma problems, if I do it’s at least consistently wrong 🙂
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i had this problem a while back and only by posting on here did i receive an answer. it actually opened up a pretty lengthy debate of trial and error. what we all found out is that after effects has a bug. to fix this make sure you turn off the option “Render Multiple Frames Simultaneously” in preferences under multiprocessing. This should fix it. Plus i haven’t really found that it renders too much quicker with that turned on anyway. hope this works for you like it did for me.
-jm -
Thanks Jason. I did a quick test and that seemed to fix it. Did you ever hear as to why and what were happening in regards to this issue?
Scott Skaja
edit/design/animation
http://www.scottskaja.com
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