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Arten Koronidas
export length limit?
on Jan 13, 2017 at 1:53:19 pm

Hi! I am in need of rendering a project that should be as long as possible. Ideally....entire days. Beside HD space limitations, is anyone aware of render length limits software-side?
Working on OsX El Crapitan, PP/AE CC 2014 (or FCPX if these wouldn't work).

Thank you!


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Jon Doughtie
Re: export length limit?
on Jan 13, 2017 at 3:23:38 pm

There isn't a limit I am aware of. But. . . days?? I think any rendering limit will be the least of your issues.

System:
Dell Precision T7600 (x2)
Win 7 64-bit
32GB RAM
Adobe CC 2015.02 (as of 6/2016)
256GB SSD system drive
4 internal media drives RAID 5
Typically cutting short form from HD MP4 and P2 MXF.


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Tero Ahlfors
Re: export length limit?
on Jan 13, 2017 at 5:05:53 pm

If I remember correctly the duration limit for one sequence is 24 hours.


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Dave LaRonde
Re: export length limit?
on Jan 13, 2017 at 6:14:35 pm

[Tero Ahlfors] "If I remember correctly the duration limit for one sequence is 24 hours."

That makes sense -- that's the limitation of time code.

A file that plays back for DAYS??? It would be interesting to know why the OP regards that as necessary. Plus I think the OP needs a little reality check.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Peter Garaway
Re: export length limit?
on Jan 13, 2017 at 10:37:56 pm

Tero is correct. There's a 24hr sequence limit. AME is pretty fast but could you imagine the wait time for a 24hr sequence ☺

Peter Garaway
Adobe
Premiere Pro


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Arten Koronidas
Re: export length limit?
on Jan 13, 2017 at 11:22:02 pm

I see. Thanks for the answer. That's what I remember reading actually. I dug up some forum where 24h was mentioned as a limit aswell, and somebody also mentioned an Avisynth script to avoid dealing with the software limitations. Any creative ideas? I honestly have no idea what avisynth does and the thread was from 2002 or so...but hey, you'll never know until you try.


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Jeff Pulera
Re: export length limit?
on Jan 14, 2017 at 4:53:27 pm

"It would be interesting to know why the OP regards that as necessary."

Art piece ;-)


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Dave LaRonde
Re: export length limit?
on Jan 16, 2017 at 4:08:48 pm

[Jeff Pulera] "Art piece ;-)"

Wow. A video file that runs for days.

Well, pump me full of coffee and insert a catheter, I'm off to see the profound revelations within a days-long piece of video.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Jeff Pulera
Re: export length limit?
on Jan 16, 2017 at 4:36:05 pm

Hey Dave - how about a 720-hour film, to be shown once, then be destroyed?

http://www.thelongestfilm.com/

Jeff


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Dave LaRonde
Re: export length limit?
on Jan 16, 2017 at 8:25:48 pm

The web site makes it look like an Ingmar Bergman movie. Even Bergman had the good sense to keep his stuff under 4 hours.

I guess I don't share the psyche of an artist who'd want to make such a long work... and I bet they're glad I don't!

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Jeff Pulera
Re: export length limit?
on Jan 17, 2017 at 8:40:32 pm

Hi Arten,

I've used a free software called MP4 Joiner, which combines 2 or more clips into one large clip. Works fast since it is not re-compressing the video, but rather just reworking some headers and pointers and such to combine the media you already have. So perhaps render in smaller, more manageable chunks and assemble later?

I'd hate to render a 24-hour timeline, then maybe find an error in editing or titling and have to render the whole segment again!

Thanks

Jeff Pulera
Safe Harbor Computers


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Arten Koronidas
Re: export length limit?
on Jan 17, 2017 at 9:42:07 pm

Thanks Jeff. I will do a test soon then with it.


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Walter Soyka
Re: export length limit?
on Jan 16, 2017 at 2:53:19 pm

[Arten Koronidas] "I am in need of rendering a project that should be as long as possible. Ideally....entire days."

I'd suggest that you split these renders up and combine them at playback. Even if the final playback will be days long, there's no reason that it has to be a single media element.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Arten Koronidas
Re: export length limit?
on Jan 17, 2017 at 6:29:59 pm

Dave LaRonda, you sound like a much older, politer version of a keyboard warrior. Thanks for your opinions, I will keep them in mind.

Walter Soyka, I was planning to do the same, but there's a problem concerning the integrity of the piece. You wouldn't cut a painting in two parts to carry it more easily, so I am trying to do it the hard way. Thanks anyway!


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Tero Ahlfors
Re: export length limit?
on Jan 18, 2017 at 8:08:55 am

[Arten Koronidas] "You wouldn't cut a painting in two parts to carry it more easily, so I am trying to do it the hard way."

Artistic integrity is neat and all but even longer movies are cut up to reels. That 720 hour movie isn't in one piece because there isn't a playback system that can deal with a single clip that length.

It would also be sad/hilarious to see a months worth of rendering fail because of a glitch/filled harddrive/power outage/etc.


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Arten Koronidas
Re: export length limit?
on Jan 18, 2017 at 4:32:32 pm

I have a machine set up only for that, so I am trying to minimize the rendering fail risk. Plus it's shot at fairly low-res and there's not much in terms of post. I have plenty of time to do this...if it doesn't work I can always chop it up.


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