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Blue glitch in Program monitor when editing properties of Key

Community Beginner ,
Jul 22, 2023 Jul 22, 2023

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Context

I have a simple project with a single sequence that has two populated video tracks. One clip duplicated onto two tracks.Video clips are both 1080p and 24 frames per second (shot at 240 10x slow-motion on a Fuji X-H2).

cdheale_0-1690055805800.pngexpand image

The top track has two effects which I have added. One RGB Curves and one Color Key in that order.

cdheale_1-1690055953905.pngexpand image

Problem

With the above project, when I do any of the following:

  • advance frames in the Program Monitor (single frame or played with the play button)
  • Edit any properties of the Effects

I get this result:

The Program Monitor glitches and shows a display of blue random boxes.

Before activating

cdheale_2-1690056199698.pngexpand image

After activating 

cdheale_3-1690056249573.pngexpand image

Additional Info

It's probably at least a little difficult to see my issue fully here because the before image is not a typical scene. It is supposed to be a high contrast green and red scene. The blue boxes are the culprit I am trying to eliminate. 

This is what I have tried in attempt to remedy this issue

  • Verified that the system was getting sufficient RAM. 52GB of the total system 64GB
  • I looked for, but could not find, any other controls to maximize/optimize system resources
  • I tried a Luma Key instead of a color key with the same results
  • I tried exporting the project, which does result in the correct/expected results without the blue glitch, but this is not a sufficient workflow for tweaking Key properties

I can post other system specs if that would be helpful. I assumed this would be sufficient resources but I am a novice to video editing so I could be wildly wrong. 

TOPICS
Error or problem , Performance

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correct answers 1 Correct answer

Community Beginner , Jul 23, 2023 Jul 23, 2023

Thank you for responding. Disableing the GPU does not seem to correct the issue.

I have found a woraround though. Changing the playback resolution (from 1/4 to 1/2) in the program monitor fixes the issue for me. 

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LEGEND ,
Jul 22, 2023 Jul 22, 2023

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Have you tried setting the Mercury Acceleration option in Project settings to software only, turning off GPU use?

 

If that fixes this, then it's a GPU issue.

 

What is your GPU and the driver it's using?

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Community Beginner ,
Jul 23, 2023 Jul 23, 2023

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Thank you for responding. Disableing the GPU does not seem to correct the issue.

I have found a woraround though. Changing the playback resolution (from 1/4 to 1/2) in the program monitor fixes the issue for me. 

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