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Quicktime movies not playing back properly WITHIN After Effects

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Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 9, 2008 at 11:41:52 am

Hi,

I've put together a showreel for the company i work for which consists of a 3d fly through of a series of screen capture quicktime videos of all the websites we've designed.

The problem is that when i first start up After Effects the screen captures all play out fine during the 3d flythrough, but after a few minutes none of them play out anymore, they freeze but the 3d camera work and everything else continues to work fine.

These screen captures are misbehaving even when they're not in a 3D environment and it's just a standard 2D pan and scan around the quicktime movie. The pan and scan will carry on working but the quicktime freezes.

I've tried reloading all the files.

Please Help! Is it a Quicktime player issue? I'm running Quicktime Pro version 7.5.

Thanks.




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Re: Quicktime movies not playing back properly WITHIN After Effects
by Todd Morgan on Jul 9, 2008 at 1:09:17 pm

What codec are these QT files?



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 9, 2008 at 1:11:09 pm

Animation codec.
I used Snapz pro to produce them.



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Todd Morgan on Jul 9, 2008 at 1:29:39 pm

Sure... but what CODEC did you use?



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 9, 2008 at 1:57:17 pm

Quicktime's Animation codec



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Clint LeMaire on Jul 9, 2008 at 3:40:40 pm

Tabitha,

If I’m understating your situation correctly, I often have a similar problem when using my lap top and playing back large Quick Time animation based files. Have you tried setting them as Proxy files until the final render?

Clint




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Re: Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 9, 2008 at 4:57:25 pm

Hi Clint,

Thanks for the reply,
yes i've tried using proxies but it still makes no difference and sometimes even in the final render the quicktime's freeze whilst the rest of the composition works fine. It's so inconsistent it's driving me mad.

Tabitha





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Re: Quicktime movies not playing back properly WITHIN After Effects
by Dave LaRonde on Jul 9, 2008 at 5:37:14 pm

[Tabitha Moore] "'ve put together a showreel for the company i work for which consists of a 3d fly through of a series of screen capture quicktime videos...
...the screen captures all play out fine during the 3d flythrough, but after a few minutes none of them play out anymore...
...These screen captures are misbehaving even when they're not in a 3D environment ... the quicktime freezes. "


Here's what I think -- I think you might have intended to capture your screens as Animation Codec quicktimes, but they were somehow saved in a different codec, like h.264 or any flavor of mpeg.

Your troubles smell like footage that uses interframe compression. I'd double-check the footage to confirm that it is indeed Animation. If necessary, use Quicktime Pro to save them in the Animation codec.

Other things to check:
• If you haven't done it already, disable Open GL. It's pretty much useless for AE. Don't believe the Adobe Propaganda.
• Likewise, convert any mp3's to aiff or wav files. Again, don't believe the Adobe Propaganda.

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

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Re: Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 10, 2008 at 4:58:52 pm

Thanks, yes i double checked all their properties in Quicktime and it says they were compressed using the animation codec which is what i wanted. Perhaps it's lying.
I also captured two videos with Camtasia and even they keep freezing randomly in different places within the sequence and once rendered out and exported.

Baffling.



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Todd Morgan on Jul 10, 2008 at 5:31:22 pm

Hi Tabitha,

Did you solve your issue? One other thing that comes to mind is how big are your QT source files and how much RAM do you have?




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Re: Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 11, 2008 at 8:57:47 am

Hi,
no it's not solved :-(
The quicktimes i'm using vary in size from 15MB to 391MB and they all seem to misbehave equally as much.

I have 3GB of ram running on a 2.4Ghz dual core imac.
perhaps i need to change something in my After Effects preferences?



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Tabitha Moore on Jul 15, 2008 at 4:39:44 pm

Can anyone help??????



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Todd Morgan on Jul 15, 2008 at 9:03:08 pm

Hi Tabitha,

My only thought is to use QT to export a sequence from each of your QT files (I assume they play back fine in QT outside of AE?) and then replace your QT sources in AE with the file sequences.

GL!



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Matt Frodsham on Jul 28, 2008 at 6:57:22 pm

I've been having the same problem with QT animations, thanks for the tip of using sequences I hadn't thought of that. Simple solution really, I have sequences in the comps that the movs are in and they always play, preview and render fine. Thanks again, that will save me hours or reloading and rerendering tomorrow!



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Re: Quicktime movies not playing back properly WITHIN After Effects
by Luke Haddock on Oct 8, 2008 at 4:57:12 am

I was having the same problem a while ago. Same situation exactly. Snapz Pro to After Effects. Have you tried updating After Effects. I don't really know what solved the problem finally, but I have stop experiencing it. I believe it was fixed in the 8.0.2 update. That's my best guess.



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