Reproduction steps:
1. Open the attached project ("video player bug report 2.zip")
2. Build and Run the project
3. Slide through the play progress bar
Expected result: Frames are played through smoothly
Actual result: Framerate occasionally drops
Reproducible with: 2020.3.37f1, 2021.3.6f1, 2022.1.10f1, 2022.2.0b1, 2023.1.0a4
Reproducible on: Windows 11, macOS
Notes:
- the issue is more severe on macOS
- the regression seems to have happened around 2019.1a01 - 2019.1a10
- playback in the Editor is better than in the Player
- On macOS it regresses on 2019.1.0a11, on Windows, it repros everywhere