The log you shared does have any video playback activity. Can you watch a video with the problem you described and share the updated log? Also, what kind of playback device you playing the video on?
Jellyfin 10.10.7 (Docker)
Ubuntu 24.04.2 LTS w/HWE
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
4x WD Red Pro 6TB CMR in RAIDZ1