Jellyfin Hardware Acceleration

[jgwehr]

Official: https://jellyfin.org/docs/general/administration/hardware-acceleration.html#va-api-hardware-acceleration-on-debianubuntu

Helpful links:

• https://www.reddit.com/r/jellyfin/comments/n9d5v5/please_update_jellyfinffmpeg_to_4321_to_use_intel/
• https://www.reddit.com/r/jellyfin/comments/neor56/install_jellyfinffmpeg_4321_for/