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Craig Wall
Corrupt renders
on Dec 15, 2010 at 11:31:35 pm

I've had two occasions in the past week where I'm getting render problems:
-In the first case AE reported a problem with some footage...which had never caused problems before.
-In the second case I'm getting quicktime files that are incomplete and show the tell-tell signs of corruption (smeared lines, shearing, etc)

In neither case was I having any problem with previewing the comps.

I'm just using the Animation codec and uncompressed audio.

Any suggestions would be invaluable.

Life is full of funny particles.


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Dave LaRonde
Re: Corrupt renders
on Dec 16, 2010 at 12:05:50 am

Based on the information you've given, two possibilities come to mind:

• you're running a version of AE earlier than AE10, and you've encountered some off-the-wall long-gop footage
• you're rendering using Open GL, which should be turned off

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


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Craig Wall
Re: Corrupt renders
on Dec 16, 2010 at 12:08:47 am

Dave,

I am using CS5....no long-gop footage... But Since I deleted my prefs...AE might have reverted to Open GL being on again. I knew it could cause crashes...I didn't know OpenGL came into play during renders.

I've known about the OpenGL problems for several versions...is it still such a bugaboo?

Life is full of funny particles.


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Michael Szalapski
Re: Corrupt renders
on Dec 16, 2010 at 5:35:14 pm

OpenGL still [expletives preemptively deleted] in AE.
And yes; you can render with it, but nobody (that I know) does because of the aforementioned [expletives also preemptively deleted]. So you definitely want to turn that off.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.


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Michael Szalapski
Re: Corrupt renders
on Dec 16, 2010 at 5:37:01 pm

Sorry; meant to enclose this link on Rendering with OpenGL.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.


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Craig Wall
Re: Corrupt renders
on Dec 16, 2010 at 11:45:43 pm

Dave, Michael....well I checked and I had indeed already turned off OpenGL in my prefs. I too have known about that for several years (but was curious about an update).

But in this case the corrupt renders were not caused by Open GL

Strangely enough when I rendered the movie out in chunks I was able to work around the problem. We will see if it returns.

Thanks for your help!

Life is full of funny particles.


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Dave LaRonde
Re: Corrupt renders
on Dec 17, 2010 at 5:42:41 am

[Craig Wall] "Strangely enough when I rendered the movie out in chunks I was able to work around the problem. "

You shouldn't have to do that. The only thing that comes immediately to mind is that you're on an old Windows box with hard drives still formatted as Fat 32, which had a file size limit of 4 GB.

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


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Craig Wall
Re: Corrupt renders
on Dec 17, 2010 at 6:00:10 am

No I've got a pretty robust Mac system:
CS5 running 64 bit on a Nehalem Mac 2009 Mac Pro with 24 gig RAM and latest updates, OS, etc.

Life is full of funny particles.


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Michael Szalapski
Re: Corrupt renders
on Dec 17, 2010 at 2:27:26 pm

Have you fed any gremlins after midnight?

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.


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Craig Wall
Re: Corrupt renders
on Dec 17, 2010 at 9:49:20 pm

Must be Gremlins!

Life is full of funny particles.


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Giuliana Dieni
Re: Corrupt renders
on Mar 14, 2014 at 10:53:21 am

Hi friends of the particles gremlins,

I solved it by rendering the comp first in my working area, then saving the RAM preview in composition settings. Hope that helps! ;)

--
Giuliana Dieni Video Editor and Motion Graphics Designer -
Amsterdam,The Netherlands


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