If it’s bad encoded, why does it work on LibreELEC 7.0? Was it “bad encoded” proof?
You can check it yourself, what is the problem with it?
Same issue, frame skipping:
bbb_sunflower_2160p_30fps_normal.mp4
https://download.blender.org/demo/movies/BBB/
As well:
HD-Club-4K-Chimei-Inn-60MBit.mp4
https://4ksamples.com/4k-chimei-inn-60mbps/