{ pkgs, ... }:
{
  # 1. enable vaapi on OS-level
  nixpkgs.config.packageOverrides = pkgs: {
    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
  };

  hardware = {
    graphics = {
      enable = true;

      extraPackages = with pkgs; [
        intel-media-driver
        intel-vaapi-driver # previously vaapiIntel
        vaapiVdpau
        libvdpau-va-gl
        intel-compute-runtime # OpenCL filter support (hardware tonemapping and subtitle burn-in)
        vpl-gpu-rt # QSV on 11th gen or newer
      ];
    };
  };

  services.jellyfin = {
    enable = true;
    openFirewall = true;
  };

  environment.systemPackages = [
    pkgs.jellyfin
    pkgs.jellyfin-web
    pkgs.jellyfin-ffmpeg
  ];
}