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AE -> FCP Stutter
This is similar to a post Dave answered in March, but I don’t think the answer is the same.
I’m rendering out footage from FCP as Apple ProRes 422 HQ quicktimes, importing them into AE, applying FX work, then rendering back out as ProRess 422 HQ quicktimes again. Once imported and placed in a FCP timeline (all quicktimes and sequences are 23.98), the playback and exported quicktimes are stuttery and repeat/skip frames.
If I load my imported AE export into the viewer and export it form FCP using current settings, and then import and use the resulting quicktime, everything’s dandy. However, a) it’s a pain, and b) i’m now using effects with alpha channels so a rerender from Final Cut isn’t an option anymore.
Anyone know the cause/solution?
Thanks as always,
Ben
p.s. as mentioned in other posts, 23.98 = 23.976. I only chose presets and never manually entered “23.98”
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3 Replies
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Hi Ben,
Are you going from one OS to another by chance? I’ve had problems going from Mac FCP’s flavor of prores to a PC AE’s flavor of prores.
Can you just not use the re-renders from fcp due to the time it takes to render? If time’s not the biggest issue, I’d really recommend just using the ‘animation’ preset. I had the same frame skip issue before using no compression, and then went to animation, took some rendering but then was great.
Also, could it have anything to do with your playback? Like processor or rt settings?
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I’d always recommend using lossless when doing effects… Even though prores is pretty good, it’s still got some visible compression that’ll make your effects stand out.
If you’re using a lossless codec, you’re also going to avoid all these problems. I find i get all sorts of nonsense when re-compressing with H-246, so prorez might have the same types of issues.
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My workflow from FCP to AE is just to use the native codec and in my case that’s just DV. If necessary, I use Animation out of FCP but rarely. Half of my stuff goes back to FCP from AE in DV but the other half comes back as Animation.
For your playback stuttering to be caused by your workflow, the stuttering has to be baked into the final move and be absolutely repeatable. If the skipped frames move each time you play it, it’s your player or disk throughput, not any of the renders.
You’re saying you’re editing in ProRes or you’re deliberately converting on the export to ProRes?
bogiesan
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