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Peter ParlegrecoU_Mem Tracked Object
by on Oct 12, 2009 at 2:55:50 pm


Hello,

I'm working in After Effects. Does anyone know what "Not enough memory to create U_Mem Tracked Object" mean? This message pops up from time to time. It's really frustrating when happens while I'm rendering, because the rendering stops.

Best,
Peter


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Dave LaRondeRe: U_Mem Tracked Object
by on Oct 12, 2009 at 3:17:39 pm

Since you don't say what kind of footage you're using in AE, I'll go to one of the most common causes for head-scratching in AE. The other is using Open GL when rendering -- which even the guys at Adobe don't use -- but a lot of people don't know about this:


Dave's Stock Answer #1:

If the footage you imported into AE is any kind of the following -- footage in an HDV acquisition codec, MPEG1, MPEG2, mp4, m2t, H.261 or H.264 -- you need to convert it to a different codec.

These kinds of footage use temporal, or interframe compression. They have keyframes at regular intervals, containing complete frame information. However, the frames in between do NOT have complete information. Interframe codecs toss out duplicated information.

In order to maintain peak rendering efficiency, AE needs complete information for each and every frame. But because these kinds of footage contain only partial information, AE freaks out, resulting in a wide variety of problems.


Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Peter ParlegrecoRe: U_Mem Tracked Object
by on Oct 13, 2009 at 3:07:16 am

Thanks Dave. Sorry about that, the footage info would help you. I'm just using Photshop files and a couple of .mov(animation codec) files. The screen ratio is 1920x1080. None of the codecs that you mentioned are being used.

I'm making a piece of animation from the Photoshop files, so there are probably over 700 Photoshop files in the project. The files are between 150 and 300 dpi.

Thanks for helping me.


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Dave LaRondeRe: U_Mem Tracked Object
by on Oct 13, 2009 at 2:53:33 pm

[Peter Parlegreco] "The files are between 150 and 300 dpi."

FYI: the concept of DPI is totally irrelevant in AE. If you import a 4-inch-wide, 150 dpi psd and a 2-inch wide, 300 dpi psd, you will discover that they're exactly the same width in AE, because AE only knows about pixels.

It's tough to say precisely what's wrong... expecially since Todd from Adobe was stumped. But this page in AE's Online Help can serve as a good checklist:

http://help.adobe.com/en_US/AfterEffects/9.0/WS3878526689cb91655866c1103906...


Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Peter ParlegrecoRe: U_Mem Tracked Object
by on Oct 13, 2009 at 6:54:10 pm

Thanks for the help and the link, Dave.
Please let me know if any other solutions come to mind.


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Todd KoprivaRe: U_Mem Tracked Object
by on Oct 12, 2009 at 3:26:38 pm

I've never seen that before. Are you using any third-party plug-ins that might be causing the error?

---------------------------------------------------------------------------------------------------------
Todd Kopriva, Adobe Systems Incorporated
putting the 'T' back in 'RTFM' : After Effects Help on the Web
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If a page of After Effects Help answers your question, please consider rating it. If you have a tip, technique, or link to share---or if there is something that you'd like to see added or improved---please leave a comment.


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Peter ParlegrecoRe: U_Mem Tracked Object
by on Oct 13, 2009 at 2:56:42 am

Thanks Todd. In regards to the plug-ins, no not that I know of. I'm just using Photoshop files and .mov(animation codec) files. The screen ratio is 1920x1080.


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