infra/nix/os/snippets/obs-studio.nix

{ config, ... }:
let
  # TODO: make configurable
  homeUser = "steveej";
in
{
  boot.extraModulePackages = [ config.boot.kernelPackages.v4l2loopback.out ];

  # Activate kernel modules (choose from built-ins and extra ones)
  boot.kernelModules = [
    # Virtual Camera
    "v4l2loopback"
    # Virtual Microphone, built-in
    "snd-aloop"
  ];

  # exclusive_caps: Skype, Zoom, Teams etc. will only show device when actually streaming
  # card_label: Name of virtual camera, how it'll show up in Skype, Zoom, Teams
  # https://github.com/umlaeute/v4l2loopback
  boot.extraModprobeConfig = ''
    options v4l2loopback devices=1 video_nr=1 card_label="OBSCam" exclusive_caps=1
  '';

  security.polkit.enable = true;

  home-manager.users.${homeUser} = _: { imports = [ ../../home-manager/programs/obs-studio.nix ]; };
}