Inspiring

Answered

Reversing video after precomposing disregards stabilization

Forum|Forum|3 years ago
December 21, 2022
6 replies
3774 views

I'll upload a .jpg image sequence of a hyperlapse, stabilize it using motion trackers, and precompose once done. If I decide it needs more stabilization (using warp stabilizer) or reversed, I'll do so AFTER precomposing the stabilized footage. I've been doing this for several years without fail until the latest update. Now, once I attempt to reverse the video, the time reverse will completely disregard the stabilization I applied. This obviously shouldn't be happening. Likewise with warp stabilizer, it won't start to analyze. It'll be stuck at frame 1 of x at 0%.

Suggestions? My workflow has been completely interrupted because of this and Adobe Support hasn't been able to solve this.

This topic has been closed for replies.

Correct answer QuintinHS

Ok... so AE versions previous to 22.5 would begin analyzing footage just by applying Warp Stabilizer with default settings (in almost all cases). Versions after 22.5 require the "Detailed Analysis" button to be checked when applying a Warp Stabilizer effect to a precomposition that has some form of stabilization done within the precomp. Otherwise, if the Detailed Analysis button isn't checked, it won't stabilize. See attached image for Warp Stabilizer settings I use.

Thanks to everyone who took the time to help with this!

QuintinHSAuthorCorrect answer

Inspiring

Ok... so AE versions previous to 22.5 would begin analyzing footage just by applying Warp Stabilizer with default settings (in almost all cases). Versions after 22.5 require the "Detailed Analysis" button to be checked when applying a Warp Stabilizer effect to a precomposition that has some form of stabilization done within the precomp. Otherwise, if the Detailed Analysis button isn't checked, it won't stabilize. See attached image for Warp Stabilizer settings I use.

Thanks to everyone who took the time to help with this!

Mylenium

Legend

I would disable multiframe rendering and flush the caches. Could be one of those things where the cached pre-comp doesn't get updated correctly in the parent comp. Other than that there's indeed nothing else to see. This is as simple as it gets and should work.

Mylenium

QuintinHSAuthor

Inspiring

Thanks for your suggestions. Unfortunately, this hasn't solved it. I cleared the Disk Cache and cleaned the Database & Cache under the Media & Disk Cache section in Preferences. I also disabled multiframe rendering and this simple precomp reverse thing is still disregarding my stabilization... sadly

QuintinHSAuthor

Inspiring

Render the pre-Comp at Best Settings Lossless or Best Settings High Quality. If you happen to need the Comp Alpha, render the pre-Comp at Best Settings Lossless with Alpha.

Render it to a folder named "Pre-Renders" that's where ever you are storing source footage for this project.

Import that and use it as the Layer that is being reversed.

In other words, bake-in whatever is happening in that pre-Comp when it plays forwards.

Thanks, I'll give this a shot. Is it best to use Media Encoder or the built-in rendering in AE?

Also, when you say "with Alpha", does that deal with the transparency settings?

QuintinHSAuthor

Inspiring

Here's the rundown. In the IMG_{xx}.jpg Comp 1 composition, there is hyperlapse footage that has been stabilized. I precomposed it (into the IMG_{xx}.jpg Comp 1 name) and have it sitting on my main timeline under the composition "CU Hyperlapses". there it sits, perfectly stabilized. the problem, though, comes when I attempt to reverse the video. this disregards the stabilization from the previous composition. Is this a setting? AE never used to give me this problem. this workflow has worked for years...

Mylenium

Legend

Without any system info, screenshots and other details we can't really tell you much. You need to be more specific.

Mylenium

QuintinHSAuthor

Inspiring

Theres not much more you need to know... my computer runs great with 32 gb ram, windows 11, AMD radeon 6700. I'm mostly wondering if anyone else is experiencing this.

here's a link to the crash logs

https://drive.google.com/file/d/11N4Xb6zgaVTgkeb6BGOjOApUG7iuQ2gk/view?usp=sharing

R

Rick Gerard

Community Expert

Do not collapse transformations on the Nested Comp (Pre-comp). If you apply any effects to the nested comp, you have to pre-compose again so that your stabilization is applied to a layer with no effects. You also should not have "Preserve Frame Rate When Nested" turned on in the nested comp's advanced composition settings.

If none of that fixes the problem, follow Warren Heaton's advice. Use the Composition/Pre-render to create a video intermediate that you can process again.

QuintinHSAuthor

Inspiring

I think I understand what you're saying... but that setting you mentioned isn't turned on. Take a look at my screenshots for what I'm talking about.

Basically, In the IMG_{xx}.jpg Comp 1 composition, there is hyperlapse footage that has been stabilized. I precomposed it (into the IMG_{xx}.jpg Comp 1 name) and have it sitting on my main timeline under the composition "CU Hyperlapses". there it sits, perfectly stabilized. the problem, though, comes when I attempt to reverse the video. this disregards the stabilization from the previous composition. Is this a setting? AE never used to give me this problem. this workflow has worked for years...

Warren Heaton

Community Expert

Render a Comp Proxy at Best Settings Lossless or Render at Best Settings Lossless and replace usage.

QuintinHSAuthor

Inspiring

Do proxies help with render speed? If that's the case that's not quite the problem I have. PC is pretty beefy.

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