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Crashing in 4k

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Harry Bromley-Davenport
Crashing in 4k
on Jun 17, 2020 at 2:11:56 am
Last Edited By Harry Bromley-Davenport on Jun 17, 2020 at 2:25:48 am

Hail, Happy Editors,

I have a Mac Pro 4,1 upgraded to 5,1.
running High Sierra 10.13.6.
Prem Pro 2019
2 x 3.45 GHz 6 core Intel Xeon
48GB RAM.
Graphics NVIDIA GTX 980 Ti 6144 MB

It will run ONE 4k shot ok on the timeline, but when I add a second 4k shot to the same timeline it crashes. Adobe tech support guy says that this is because I should have 64 GB RAM to run 4k. Is that true?

In any case, my RAM is full at 48GB.

PP runs fine using 1920x1080.

Identical crash result using PP 2018 and 2020

This is bonkers. Can anyone lend a hand. I am suspicious of anything told to me by tech support.

Harry The Idiot.



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greg janza
Re: Crashing in 4k
on Jun 17, 2020 at 2:51:28 pm

Are you using proxies? If not, why not?

https://www.linkedin.com/in/tmprods
http://tallmanproductions.net


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Harry Bromley-Davenport
Re: Crashing in 4k
on Jun 17, 2020 at 5:38:35 pm

Dear Greg,

Thank you so much for your response.

I am NOT currently using proxies. I will use proxies, but I will eventually have to go back to the original 4k to assemble a final master output, which means working in 4k - also there are a number of FX shots which have to be created in 4k.

By the way, I have done all the usual - trashed prefs, reinstalled program, reinstalled system, run Disk Warrior, Disk Utility, prayed etc.

However, in principal, 4k should work ok in my configuration and gear, no?

Again, thank you for your time.

Harry.



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greg janza
Re: Crashing in 4k
on Jun 17, 2020 at 7:17:41 pm

Yes, your system should be able to work with 4k media. However, what format is the 4k media?

If you're working with H264 4k media then it would make sense that your computer slows to a crawl with multiple layers because H264 is very CPU intensive.

https://www.linkedin.com/in/tmprods
http://tallmanproductions.net


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Harry Bromley-Davenport
Re: Crashing in 4k
on Jun 17, 2020 at 7:29:35 pm

Am using media which is ".mov". 4k

Thanks for help.

Harry



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greg janza
Re: Crashing in 4k
on Jun 17, 2020 at 7:34:57 pm

.mov is a wrapper.

Open the file in VLC or Quicktime and get info to see what the codec is.

https://www.linkedin.com/in/tmprods
http://tallmanproductions.net


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Harry Bromley-Davenport
Re: Crashing in 4k
on Jun 17, 2020 at 7:51:35 pm

One is photo JPEG and the other is ProRes 422. Does that help?

Harry.



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Eric Santiago
Re: Crashing in 4k
on Jun 17, 2020 at 8:56:48 pm

I would suggest using proxies even with 4K.
Most do practise this workflow to avoid such issues.
And yes you can switch back to original easily, whatever the size and format.
This works for me with all RED flavors, GH4/GH5, EVA-1, Sony A7S, etc....
There are days when I don't bother to proxy and usually, that's with RED 4K DCI.
But in most cases, whether its Premiere, FCPX, and of course Avid, I always plan to use an editable format.


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Harry Bromley-Davenport
Re: Crashing in 4k
on Jun 17, 2020 at 10:50:12 pm

Thank you for the suggestions. Harry.



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Mark Foerster
Re: Crashing in 4k
on Jun 23, 2020 at 6:37:35 pm

I also would second the proxy route. I cut a whole hour last year with proxies and everything worked perfectly. On output Premiere used the originals and it went real well. The only hitch is when you want to use lumetri for you color out - it's better to see everything in it's true form - but other than that - I like proxies

Mark
Toronto


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