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Not enough RAM to edit 4k

Explorer ,
Dec 21, 2017 Dec 21, 2017

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Hey y'all. I just bought a new laptop for video editing because it has a touch bar and is minimalistic volume-wise. However, I've come across an issue while creating a video for a client...when I try to add morph cut, the video overloads and lags, sometimes even closes out. An adobe tech told me I don't have enough ram to edit 4k video (I have 16 gb) and although the problems don't occur till I add this transition, I know more problems will present in the future and I'm seeing elsewhere that I should have allowed at least 32. RAM cannot be added to my device, so is there any hope or fix for this? external ram, anything?

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correct answers 1 Correct answer

LEGEND , Dec 21, 2017 Dec 21, 2017

4k H.264 media from DSLR's, drones, mirror-less & GoPro cameras is incredibly CPU/cores/threads/RAM intensive. For that you need preferably more than 4 cores, at least 32Gb of RAM, preferably 64.

Or ... you can use the ingest options to make Cineform proxies on import and use the proxies for most playback purposes ... and edit including playback just fine.

Neil

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Community Expert ,
Dec 21, 2017 Dec 21, 2017

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Heyy, what graphic card spec are you using?

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Explorer ,
Dec 23, 2017 Dec 23, 2017

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hi!

Radeon Pro 450 2048 MB

Intel HD Graphics 530 1536 MB

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LEGEND ,
Dec 21, 2017 Dec 21, 2017

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4k H.264 media from DSLR's, drones, mirror-less & GoPro cameras is incredibly CPU/cores/threads/RAM intensive. For that you need preferably more than 4 cores, at least 32Gb of RAM, preferably 64.

Or ... you can use the ingest options to make Cineform proxies on import and use the proxies for most playback purposes ... and edit including playback just fine.

Neil

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Explorer ,
Dec 23, 2017 Dec 23, 2017

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Right so I definitely don't have enough. I am already using proxies, and for the most part it works...but then when I try to add morphcut for some reason, it just totally overloads and lags to the extreme. Do you know of any external RAM options that actually work?

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LEGEND ,
Dec 23, 2017 Dec 23, 2017

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Many of the people that use morph cut render & replace the clip so the computer doesn't have to work so hard. Same for Warp.

Neil

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Explorer ,
Dec 25, 2017 Dec 25, 2017

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Thanks for that suggestion

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LEGEND ,
Dec 25, 2017 Dec 25, 2017

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Especially if you want to throw in a bunch or transitions, some audio work, some graphics & color ... do things so your rig doesn't have to work any harder than necessary ... just makes it all easier.

Neil

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Community Expert ,
Dec 25, 2017 Dec 25, 2017

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You're on Mac, right?  Try transcoding your 4K camera originals to Apple ProRes422 (HQ) (unless you're tight on disk space, then use Apple ProRes422 (LT).  Then create Apple ProRes 422 (Proxy) proxy files, enabling the Proxy workflow in PR.

If you're still having issues using Morph Cut, one option would be to downcovert your 4K camera originals to 1080 Apple ProRes.

I'm not sure RAM is the issue here.  I'll try to do a Morph Cut on my 15-inch MacBook Pro (and older 2013 model) with 4K footage and report back with what happens.

If Premeire Pro just won't do it on your machine, you could aslo try Revision Effects RE: Flex morph effect in After Effects.  Prior to Morph Cut, this is the approach you would have had to have taken.  There's a trial version of the effect available for download and you'd want to watch all fo the tutorial videos (I think that there are 12 and it'll take about two hours to go through them) to master how the morph effects is controlled in AE.  Although, this is definatlely plan B as the third party effect is somewhat pricy and the process takes some time to setup, track, adjust and then render (however, you can get exceptional results).

-Warren

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Explorer ,
Dec 29, 2017 Dec 29, 2017

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Yes, I'm on a Mac. I'm using GoPro cineform when choosing workflow... someone from adobe suggested this. what is the difference? Thanks!

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Explorer ,
Dec 29, 2017 Dec 29, 2017

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Also, it is strange that it wouldn't be the ram...I spent literally days in remote support with adobe trying to figure out the problem with probably 7 different agents and they finally arrived at that conclusion. They said I needed 32 gigs of ram...So my husband has been looking at new laptops and I'm considering sending this one back. He's looking at gaming laptops.

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Community Expert ,
Dec 31, 2017 Dec 31, 2017

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Quick update:

I tested this out on my 11-inch MacBook Air (Early 2015, 8GB RAM, 2.2GHz i7, Intel HD Graphics 6000 1.5GB integrated graphics) with 2160p30 footage shot on my iPhone.  The macOS is 10.12.6 Sierra and Premiere Pro is CC2017 (11.1.2).

Using the camera original (an H264 clip) in a Sequence created by dragging and dropping the clip onto the New Item icon and then exporting to H264 Match Source - High Bitrate resulted in the "Analyzing in background" banner being rendered into the exported clip and no Morph Cut transition.

Transcoding the camera original clip to Apple ProRes422 (LT) and replacing the camera original in the Sequence via Replace with Clip > From Bin and then exporting at "Match Sequence Settings" and at the QuickTime Apple ProRes422 (LT) preset both resulting in the Morph Cut rendering as expected.

The issue could still be RAM related, but transcoding to Apple ProRes422 (LT) or better should resolve it. 

It's certainly worth noting that editing 3840x2160p30 H264 footage is extremely laggy on this system while editing 3840x2160p30 AppleProRes422 (LT) footage is fairly laggy.  1280x720p30 Apple ProRes422 (Proxy) files are fairly responsive.

If you haven't already replaced your MacBook Pro, you could try Apple ProRes422 (LT) or better as well.  It's probably worth noting that you have to download and install the Apple ProRes presets from the Adobe Media Encoder Add-on page (it doesn't install via Creative Cloud Desktop).

I suspect that this issue has less to do with RAM and more to do with video formats that are compressed between the frames (as GoPro native and iPhone native clips are).

I'll try to test this out on my Mac Pro a.s.a.p. to report back if more RAM helps (it certainly might).

For what it's worth, I've benchmarked my 11-inch MacBook Air against my 2010 27-inch iMac i5 and my Late 2013 Mac Pro.  The "AE Test" that's available on Vimeo takes 22 minutes to render on the MacBook Air, 18 minute to render on the 2010 iMac and just under 8 minutes to render on the Mac Pro.

-Warren

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Explorer ,
Jul 17, 2024 Jul 17, 2024

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I am using 128GB Ram,  and it's not enough for 4k editing sometimes,  and it you want to use Dynamic Link it increases the chances of crash. 

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LEGEND ,
Jul 17, 2024 Jul 17, 2024

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Morph is as bad as Warp for demanding massive hardware resources. Rather temperamental effects, both of them. Wisdom uses them sparingly, and processes them to immediately render & replace to "new" media file.

 

I wish it were otherwise but I'm a totally practical person.

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