Not enough RAM to edit 4k

Question

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?

R Neil Haugen · Accepted Answer

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

Warren Heaton · Answer

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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