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9

P: Nested sequence time remapping bug

Advocate ,
Nov 19, 2017 Nov 19, 2017

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I've submitted this bug several times now.  2 things: how do we know if adobe has acknowledged a bug? do they respond to let you know?

2nd thing, the bug itself:

 

take a nested sequence, insert it onto timeline.  Add another layer in the nested sequence, apply time remmapping.  Sequence will go black before it reaches the end of the sequence. This vid below demonstrates that it is not the normal behavior of a time remmapped clip.  Most of the time when I encounter this bug it is when the original footage is not the same res as the final sequnce.

 

[hyper link removed by author request]

 

[Typo removed from title. — Mod.]

Bug Acknowledged
TOPICS
Performance or Stability

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correct answers 3 Pinned Replies

Community Expert , Nov 20, 2017 Nov 20, 2017

I dont think its a bug but rather by design.

You cannot remap a still as it has no speed.

So I am thinking the same thing is happening here.

If you replace the text with a clip it works as expected

Might just want to put the text superimposed on the nest.

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Adobe Employee , Jun 10, 2024 Jun 10, 2024

Hey @jmvdigital, Hi @getho@Odobe@Águia Films and @Isra Velzen,

Thanks for the message. This bug report requires more information for the team to reproduce the bug. You can also send me a private message with links to files that produce this error. See: How do I write a bug report?

 

The behavior may be "as designed," but we need more info to determine that.

 

I hope we can help you.

 

Take Care,
Kevin

Status Needs More Info

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Adobe Employee , Oct 30, 2024 Oct 30, 2024

Updating Status

Status Acknowledged

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replies 134 Replies 134
134 Comments
Advocate ,
Oct 01, 2019 Oct 01, 2019

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@jstrawn this is as close as I've got to an interaction with adobe on this issue. please can you acknowledge that you've seen my reply below

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Contributor ,
Feb 28, 2020 Feb 28, 2020

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And not fixed in 2020! This is becoming a real issue for me we mostly shoot everything at 1000fps and Nest for VFX reasons.

 

Kevin

 

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New Here ,
Apr 08, 2020 Apr 08, 2020

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Found a workaround. For me it occured when the layer on top of my video footage inside the nested sequence ended. I simply created a still frame on the last frame of the top layer and stretched it's length to the same as the one below. I then set a keyframe to lower the opactiy of the top layer to 0 on it's original endpoint, so it would still be sitting there but invisible.

 

Definitely no bugfix, but a workaround.

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New Here ,
Apr 08, 2020 Apr 08, 2020

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EDIT: Was not able to reproduce the workaround. But it definitely has to do something with the end of the top layer. Sorry!

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Advocate ,
Jul 08, 2020 Jul 08, 2020

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jstrawn 

This is the closest I got to engaging adobe with this and now more pressing issues.  Come on! I've been trying since 2017. You should give me brownie points for perseverance. 

I have put the major time-remapping bugs in one post:

 

https://adobe-video.uservoice.com/forums/911233-premiere-pro/suggestions/40860028-fix-time-remapping...

I am ready and willing to help you.  The most recent bug is being regularly reported on the forum. It is not idiot user error.  The bugs are real, albeit appearing in special (but not that unusual) circumstances.  


 

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New Here ,
May 02, 2021 May 02, 2021

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2021 and still not fixed. fails around 400% on the time remap... 

 

screen goes black on the main sequence, however when clicking into the nested clip you can see there is still plenty of footage that isn't being shown 

 

🙂

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Advocate ,
May 02, 2021 May 02, 2021

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and since ppro2020 there have been bigger time-remapping bugs with interpreted footage. I've learnt to live with this the nested sequence bug, but the interpreted footage one is a show stopper for me. I'm still using ppro2018. I wont upgrade until it's fixed (which in reality means I'm more likely to move to resolve).

 

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New Here ,
May 03, 2021 May 03, 2021

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Found a workaround. For me, it occurred when the layer on top of my video film inside the settled succession finished. I just made a still casing on the last casing of the top layer and extended its length to equivalent to the one beneath. I at this point set a keyframe to bring down the opacity of the top layer to 0 on its unique endpoint, so it would in any case be staying there however imperceptible.

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Community Expert ,
May 03, 2021 May 03, 2021

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This forum is to for users to help users. If you feel strongly about a (new)feature or (bug) fix and you want the Adobe developers to take a look, please post it here: https://adobe-video.uservoice.com/forums/911233-premiere-pro

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Advocate ,
May 03, 2021 May 03, 2021

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Dood, do you have any idea how insulting it is to have this post marked with a correct answer?

 

Since 2017 I have posted on uservoice, phoned Adobe, posted here, contacted various Adobe employees directly, tweeted at them. 

 

In fact the only things I haven't tried are semaphore and carrier pigeon.

 

Not only have I never seen any evidence of Adobe responding to feedback about bugs Ive never seen anyone who has.  You have YouTube film makers with hundreds of thousands of followers who try, give up, switch to resolve.  The only reason I'm still here is because I'm a multimedia masochist. 

 

Adobe removed it's bug reporting feature entirely, leaving only uservoice.  If you look me up on it you'll see I have outlined this and the other showstopper bug in great detail.  Conplete with demo videos.

 

To everyone here that has experienced Adobe's lack of responsiveness I say, vent away.

 

 

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LEGEND ,
May 03, 2021 May 03, 2021

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Just because they don't respond to you personally or in public doesn't mean they aren't taking the reports seriously.

UserVoice is our channel to report problems with the software that we think are bugs. This forum is to help each other find workarounds until/if those bugs are fixed.

 

And I agree; if the arrangement I outlined isn't satisfactory to you or anyone else, then vent. But maybe try UserVoice instead of the forum? Your vent here will find a very limited Adobe audience here that could possibly do anything about it.

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Advocate ,
May 04, 2021 May 04, 2021

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Jeff,

If you feel like venting is in some way a waste of your time, by all means, please ignore the venting posts.

If, however, you could use your time and any contacts you may have as an adobe community professional to elevate this bug then that would actually be useful. 

 

People vent here because they have gone above and beyond what is reasonable to draw attention to a bug that stops them using the software.  We have quite good consumer protection laws in Australia, and that is about the only avenue I haven't explored in trying to resolve this and a couple of other issues.  To give a rabidly frustrated user a telling-off for following up on a bug post *from 2017*, that has gone not only unfixed but unacknowledged for 3.5 years frankly feels like bullying.  


 

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LEGEND ,
May 05, 2021 May 05, 2021

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It's unfortunate that you felt like I was giving you a "telling off". I was trying to tell you that you, nor anyone else, should not pin their hopes on a vent here doing any good at all except to make you feel better. In fact, as I re-read my post, I even affirmed the venting option. A post that vents doesn't waste my time; it wastes yours. My comments were intended to help you not do that. 

It may surprise you to learn that I have to use the exact same channels that you do to flag bugs and voice concerns. There is no ACP hotline to Adobe's engineers or QA staff, at least none that I'm aware of. And I've been here a long time. 😀

 

I'm genuinely sorry that Pr is not working acceptably for you. I know how frustrating it is when something you've paid good money for doesn't work like you expect it to.  I'm disappointed that I can't help you with this issue and I hope you find a solution that works for you.

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New Here ,
May 09, 2021 May 09, 2021

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I just wasted 5 minutes of my precious time to log into this site for the first time and tell future readers that this bug isn't fixed as of May 2021. And that the content of Jeff's answer is totally worthless since it expects us to look the other way with this BUG and come up with a workaround for a 4-year-old BUG. Have I said the word BUG yet? BUG.

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New Here ,
May 15, 2021 May 15, 2021

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Just encountered this bug too. Really frustrating! What is the best working workaround? 

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New Here ,
May 15, 2021 May 15, 2021

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Ok DanCoes method works:

 

"I nest the sequence and then increase the speed duration of the nest (to say 200%) . I then create the time remapping and slow down the first part of the clip. Effectively creating the same result. I don't know why this works, but simply ramping the speed up from 100% speed duration doesn't?"

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Community Beginner ,
Feb 10, 2022 Feb 10, 2022

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This absolutely works for me!

After having encountered this problem in the current version (22.1.2), obviously many years after it was first reported, I decided to experiment a bit, but to no avail. What I could figure out is that – in my usecase – the edit points in the nest were responsible.

So, say, if I have a nest of 2000 frames length, were the last cut inside the nest would occur at frame 1000, then a time remap would work smoothly if I wouldn't speed up over 200% (i.e. if the remapped nest within the parent wouldn't fall under an overall length of 1000 frames). It seems that the new lenght of the remapped nest inside the parent sequence is faultily projected onto the nest. So each action within the nest that lies after this projected end will be handed upwards as black screen.

This is so easy to figure out, it's ridiculous. Adobe should be ashamed about not having fixed this for ages, as it seems a simple enough task based on some basic variable mishandling. Changing two lines of code, anyone?

 

Regardless: THANKS FOR YOUR WORKAROUND.

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Community Beginner ,
Feb 10, 2022 Feb 10, 2022

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Sorry, I seem to have misplaced my reply. It should go underneath DanCoe79's suggestion of aplying Speed/Duration first, before working in the opposite direction via Time Remap.

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New Here ,
Mar 23, 2022 Mar 23, 2022

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Changing rendering settings to software-only worked for me.

 

 

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New Here ,
Mar 28, 2022 Mar 28, 2022

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Mikael237...... HAS THE FIRST HELPFUL ANSWER!  So glad I read this thread all the way to the end. 

 

File > Project Settings > Video Rendering and Playback > Mercury Playback Engine Software Only

 

The problem is the default "Mercury Playback Engine GPU Acceleration (Metal ) - (Recommended)" renderer with multiple layers of time remapping breaks for some reason.... A BUG PERHAPS!

 

I remapped 2 different clips so the timing matched in a picture in picture, then nested and attempted to apply new time remapping keyframes to my nested sequence. I got the black screen error. Software only seems to be working!

 

 

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New Here ,
Aug 10, 2022 Aug 10, 2022

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This bug is really causing me a lot of pain right now. The fact that this only happens when using GPU acceleration makes it extremely clear this is a bug. Please fix this, or if it's not possible to fix please just remove time remapping from premeire entirely. 

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New Here ,
Sep 01, 2022 Sep 01, 2022

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Version 22.5.0 (Build 62) still contains this bug. It has been almost 5 years now.

 

And it cost me more than an hour to find the workaround (Software instead of CUDA).

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New Here ,
Dec 23, 2022 Dec 23, 2022

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December 2022, bug still not fixed

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Community Beginner ,
Jan 08, 2023 Jan 08, 2023

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January 2023 - This bug is still an issue. 

Would be great if an Adobe employee on the bug team could share where this bug is in the queue. 

There is certainly a Jira board or Project/Prod manager that's sole purpose is to make sure bugs are getting solved, daily, weekly, and monthly. With daily stand-ups, with the devs. Is this Bug stuck as a blocker and lost in the queue?

This was logged back in 2015 from what I've seen. It's almost been a decade since this bug has been resolved. 

If the Adobe team simply shared the internal bug board it would eliminate a bloated support forum from duplicate posts spanning years. The work is already being done and managed. Just share what is being worked on and where in the roadmap we are. 

If this bug roadmap already exists please link me.  

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Advocate ,
Jan 08, 2023 Jan 08, 2023

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I've had direct contact with adobe about this bug - they failed to acknowledge it as a bug (because they didn't try hard enough!)

I'm so used to it now I have 2 main workarounds:
 If a nested sequence includes a cut/more than one layer and you need to do a speed ramp on it in another timeline you can:

1. render it out. I now have a "bump" folder for every project for such things. Re-import it into premiere.

2. turn off cuda in prefferences, nest the ramped sequence and render that out as above

I've also got used to just avoiding it: for instance for doing property boundaries instead of using paths I used lumetri plus masks to do the same thing.  

The more people complain about this, the more likely it is to be addressed. 
There used to be a lot of uservoice stuff about this bug, but I believe thats been deprecated or removed. I'm not sure at the mo how you even report bugs.  TBH I'm in  aholding pattern until I have the time to start using that Davinci Resolve licence I bought a year ago 

 

Here's the uservoice page:
https://adobe-video.uservoice.com/forums/911233-premiere-pro/suggestions/34384855-bug-report-time-re...

 

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