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Rendering problem

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bert marissenRendering problem
by on Sep 1, 2009 at 2:28:34 pm


Im having the most annoying problem ever, im done with creating a little trailer. Nothing special just some clips with a color correction nothing more.

If im putting it in the render queque it renders about 30 seconds of the movie and freezes the rest of the movie. Ive tried everything i could think of... I resetted AAE etc, and if i start up again and open my file and just go trough the time line everything works... and after 30 seconds it also freezes there.

How can I solve this?

Thanks for helping!



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Dave LaRondeRe: Rendering problem
by on Sep 1, 2009 at 3:17:49 pm

That's not a whole lot of information for a diagnosis, so I'll play the percentages and give you an answer to a common to problems like yours:

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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david bogieRe: Rendering problem
by on Sep 1, 2009 at 3:21:48 pm

Without looking over your shoulder we can only guess.
Since i have no idea what you're doing or if you know how to do it, it's obvious to me that something is happening at that frame location. So look at your timeline and start turning off layers that might be causing the problem.

Since I don't know if you have dozens of layers with interactive or reiterative effects dependencies, you could probably precompose several layers and prerender them as self contained movies, eliminating tons of processing.


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