Flickering/Flashing thumbnails on timeline

Participant ,
Jan 22, 2018 Jan 22, 2018

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Hi all,

recently I upgraded to the new iMac Pro and run in to the following problem:

The thumbnails on my timeline randomly flicker/flash during editing and playback. With this bug the system seriously slows down (see video for screencap)

I've seen some previous posts about similar problems but not with the iMac Pro and they're all outdated in my opinion (2014/2015)

Does anyone know how to fix this?

System setup:

iMac Pro 1,1 (running on macOS High Sierra 10.13.2)

3GHz Intel Xeon W (10 core)

64 GB RAM

GPU: Radeon Pro Vega 64 16 GB

Thunderbolt Blackmagic mini monitor --> Flanders Fullscreen playback (sdi)

Premiere Pro version 12.0.0 (build 224)

Things i've tried:

- Reinstall PP

- Switched timeline to second monitor

- All the different (available) video rendering playback (CPU/OpenCL/Metal)

- Open in new shorter timeline

Thanks for help in advance 🙂

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correct answers 1 Correct Answer

Adobe Employee , Feb 18, 2020 Feb 18, 2020
Hi, The latests drivers should solve this issue. Info and download here: https://www.blackmagicdesign.com/support/readme/d389b26e8e54407482a8bddd27bf884a Thanks, Kevin

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Explorer ,
Jan 26, 2018 Jan 26, 2018

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I have exactly the same behavoir. i´m on PC windows 10. Nvidia GTX 1080.

Is annoying. I have to restar Premiere o make the channels of the timeline smaller until the thumbnail dissapear.

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Community Beginner ,
Jan 27, 2018 Jan 27, 2018

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Same problem here.

Windows 10, Nvidia GTX1070

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Adobe Employee ,
Jan 27, 2018 Jan 27, 2018

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Please try updating Premiere Pro, ApexAV.

Thanks,
Kevin

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Participant ,
Feb 08, 2018 Feb 08, 2018

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I did update to the most recent version 12.0.1

The problem still occurs

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New Here ,
Feb 12, 2018 Feb 12, 2018

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same for me.

Windows10 Machine with a Nvidia 980ti

Any suggestions? Software is up-to-date

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Participant ,
Feb 21, 2018 Feb 21, 2018

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updating didn't solve the problem.

Do you have some other options to try?

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Participant ,
Feb 12, 2018 Feb 12, 2018

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Is it possible the problem occurs due the use of different codecs?

I think it has to do something with my 10-bit 4:2:2 GH5 footage. Sequences with this footage only show the glitch.

JaimeGomez78SL-Cutter​ which kind of footage do you guys use on your timelines?

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New Here ,
Feb 12, 2018 Feb 12, 2018

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only Standard XAVC-Codec haven't changed Codec in years.

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Explorer ,
May 17, 2018 May 17, 2018

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This is really frustrating. Still happen to me with every kind of footage: Red, AVCHD, prores etc....

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New Here ,
Mar 21, 2018 Mar 21, 2018

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I have the flickering thumbnails issue on all our machines.

As there are:

An i7 PC with a GTX1070, Windows 10

an iMac 27" Retina 5k

a MacPro (trashcan) 12core

a XEON Workstation with Windows 10

ON EVERY SINGLE MACHINE we have the thumbnail issue. I can't believe Adobe is getting forward to solve this problem since a very long time.

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Explorer ,
Mar 29, 2018 Mar 29, 2018

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I have the same issue in all of my projects. I am on the latest version of Premiere. I am also unable to close or quit a project without Premiere hanging or crashing to the point that I have to force quit Premiere. Not sure if the two issues are related..

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Participant ,
May 17, 2018 May 17, 2018

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Just a thought : Is it possible that it would be disk related ?

Has anyone tryed changing the video and audio preview path to another disk in project settings ?

Same thing for media cache and media cache database in preferences...

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Explorer ,
May 17, 2018 May 17, 2018

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Yes, I've deleted the entire cache, and database, changed their location, update premiere, downgraded premiere (for another issue) and updated again. But I'm still having this issue.

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Participant ,
May 23, 2018 May 23, 2018

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I guess it has to do something with my memory. If the bug occurs I use a simple free app that "cleans" the memory. After this the bug is gone (for as long as it takes - not very long)

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Explorer ,
May 30, 2018 May 30, 2018

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Interesting, what app do you use to clean your memory?

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Participant ,
May 30, 2018 May 30, 2018

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Dr. Cleaner for Mac

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Community Beginner ,
Jul 10, 2018 Jul 10, 2018

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Same problem here on a Windows 10 PC (NVIDIA GTX 1080 Ti).

My workaround is to disable Blackmagic Playback, big drawback is the lack of preview monitoring on a second screen.

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New Here ,
Jul 12, 2018 Jul 12, 2018

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We had the same problem.

As Video IO Card we use Blackmagic Devices.

After we downgraded Blackmagic Desktop Video Software to 10.9.5, the problem was fixed.

Best regard's

Sven.

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Community Beginner ,
Sep 23, 2018 Sep 23, 2018

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Just saw this on BMD download page for Desktop Video:

What's new in Desktop Video 10.11.2

  • Fix issue in Adobe Premiere Pro CC where audio waveform displays would occasionally blink.

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Participant ,
Jan 31, 2019 Jan 31, 2019

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did that (BM 10.11.2) do the job?

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Participant ,
Mar 18, 2019 Mar 18, 2019

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Updated to BM Desktop Video 11.0, problem still occurs

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Adobe Employee ,
Feb 18, 2020 Feb 18, 2020

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Hi,

The latests drivers should solve this issue. Info and download here: https://www.blackmagicdesign.com/support/readme/d389b26e8e54407482a8bddd27bf884a

 

Thanks,
Kevin

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New Here ,
Mar 12, 2021 Mar 12, 2021

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LATEST

This is so frustrating and hurts my eyes.

 

Using Blackmagic Desktop 12.0 on M1 Mac Mini (to give context). Tried clearing the cache, deleting peak files, and rendering audio several times. Updated Premiere without any resolve. 

 

Timeline has waveforms that continue to flick. I almost can't work... Trying to push through it but it's painful. Any other ideas? I guess I can uninstall and reinstall premiere next. 

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