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SiLi
Inspiring
Sep 27, 2021 10:57 PM UTC
Answered

After Effects Preview Lag

Hi

 

I have an annoying problem.

When letting go of the playhead, my mouse cursor stutters/lags for a short period and then returns to moving smoothly.

I can quickly drag and release the playhead a few times and it lags almost every time and I've noticed my screen is slightly flickering at the same time.

 

1. This only happens in AE.

2. When I turn off both of my GPU's in the NVIDIA CUDA Settings for AE, the problem disappears (I want to use my GPU's tho)

3. I have tested both GPU's individually (removed each from case) - doesn't make a difference

4. When I record my screen with OBS, in the recording the mouse moves just fine.

5. It even happens when nothing is in the composition at all ... empty comp, just moving the playhead

 

5950X // RTX A6000 + RTX 2080 Ti

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SiLiCorrect answer
Inspiring
Sep 28, 2021 6:48 PM UTC

FIXED!

Ok so for anyone else getting mouse stutters after releasing the After Effects Playhead... you're probably using a monitor with G-Sync. I turned off G-Sync and the problem is gone 🙂

Turning only AE to "fixed refresh" in the nvidia panel doesn't do it for me, I just get insane screen flicker instead of the slight cursor stutter.

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12 replies

SiLiAuthorCorrect answer
Inspiring
Sep 28, 2021 6:48 PM UTC

FIXED!

Ok so for anyone else getting mouse stutters after releasing the After Effects Playhead... you're probably using a monitor with G-Sync. I turned off G-Sync and the problem is gone 🙂

Turning only AE to "fixed refresh" in the nvidia panel doesn't do it for me, I just get insane screen flicker instead of the slight cursor stutter.

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    Justin Taylor-Hyper Brew
    Community Expert
    Justin Taylor-Hyper BrewCommunity Expert
    Community Expert
    Sep 29, 2021 5:31 PM UTC

    Interesting, glad it was an easy fix!

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      SiLiAuthor
      Inspiring
      Sep 28, 2021 6:23 PM UTC

      Edit: Why would it only be happening after letting go of the playhead?

      I attached a short video, demonstrating the problem.

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      Stefan_Gallego
      Stefan_Gallego
      Inspiring
      Sep 28, 2021 7:43 AM UTC

      You could try the switch "Hardware accelerate composition, layer and footage panel" under preferences/display.

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      Using AE since 2004
        SiLiAuthor
        Inspiring
        Sep 28, 2021 6:26 PM UTC

        I have tried that already. Doesn't help in my case.

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        Justin Taylor-Hyper Brew
        Community Expert
        Justin Taylor-Hyper BrewCommunity Expert
        Community Expert
        Sep 28, 2021 1:27 AM UTC

        I'd try upgrading your GPU drivers.

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        Stefan_Gallego
        Stefan_Gallego
        Inspiring
        Sep 28, 2021 7:39 AM UTC

        To "studio driver" in particular.

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        Using AE since 2004
        SiLiAuthor
        Inspiring
        Sep 28, 2021 6:13 PM UTC

        It's a bit difficult when mixing a Quadro and GeForce GPU in the same system, but I'm always updating to the latest studio driver.

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