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RAM preview oddity
Using AE CS3 with a dual 2.66 intel mac, when trying to shift-RAM preview, I sometimes get a dialog box stating:
After Effects error: RAM Preview needs 2 or more frames to playback.
If I try to do a full RAM Preview, it’ll just do the first frame and play that over and over.
I’m at the first frame of the timeline. This only happens once in a while. Typically rebooting the app fixes it, but it’ll happen again a few days later.
Any ideas?
Thanks.
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8 Replies
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Yeah, this is definitely a bug. I’ve had it come up twice now.
The first time I was able to “reset” this by opening the time controls window and clicking on the Ram Preview button…the 0 button then started functioning normally.
The second time this didn’t work…so I went thru a variety of other preferences/settings and selected Enable Open GL…this worked.
Strange
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Pretty sure this is a RAM issue. When I get this I do 1 of 2 things:
1) Edit > Purge > All (or Image Cache)
2) Shut down and restart AE.
These usually solve the problem.
Aharon Rabinowitz
Email: arabinowitz (AT) yahoo (DOT) com
All Bets Are Off Productions, Inc.
Creative Cow After Effect Podcast
Internet Killed the Video Star: A Guide to Creating Video for the Web -
Not using Leopard. Still 10.4.11.
No Mpeg or HDV.
Using OpenGL. I’ll try playing with that, thanks. I agree it’s efficacy seems questionable at best.
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Thanks, I’ll try it next time it rears it ugly head.
Mitch Temkin
Video & Grfx Production
864 Almond Drive
Watsonville, CA 95076
831-722-9767 [office]
831-241-2344 [cell]
juxtaposer@charter.net -
It’s happening to me, on my PC, Dual 3.2 Xeon machine. I was working on a tough shot last weekend and my RAM Preview just stopped working. Period.
I’ve done all the tricks and I’m stuck in Tw0-frame-only-land. Purge, recreate the project, open other projects, reboot, restart, purge all and reboot, etc.
I’m finally just rendering the project to see how well I’m doing.
It happened once before and I can’t remember what fixed it.
Perhaps those of us who are having this problem have something in common.
I am working in HiDef, both from P2 and from Cineform.
Last weekend I installed Gridiron Nucleo. I’ve been having this trouble since I installed this program. I’ll try uninstalling it later. I removed it before because I was having some kind of trouble more than a year ago.
I look forward to a solution.
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This problem has come up for me again today and I havne’t found anyway to alleviate it…purge, reboot, settings, etc.
If anyone finds a solution…please post!
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Hey! I fixed my problem. My RAM preview was broken and wouldn’t work at all. I uninstalled Nucleo, but at the same time I did this because it is more likely caused by a corrupt Mediacore Cache.
Try these two things and let me know what happens:
1: Purge cache, exit After Effects.
2: Go to you CACHE Folder on the hard drive and DELETE it.
3: Create a new Chache folder. (I named mine “Cache Fix”)
4: Open After Effects and go to Edit/Preferences/Memory and Cache. Choose a new folder (your new cache folder).
5: Exit After Effects. Your fix should be complete.
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Hi Mike,
Thanks for posting this!
I was able to bring my RAM Preview back up by adjusting some of the preview settings and a couple reboots in between but your solution sounds like it addresses the root of the problem.
Thanks again
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