nix-configuration/modules/apps/recording.nix

{ config, lib, ... }:

let
  cfg = config.host.apps.recording;
in
with lib;
{
  options = {
    host.apps.recording.enable = mkEnableOption (mdDoc "Enables video editing tools");
  };

  config = mkIf cfg.enable {
    host.ui.flatpak.enable = true;

    services.flatpak = {
      packages = [
        "com.obsproject.Studio"
        "com.obsproject.Studio.Plugin.DroidCam"
        "org.kde.kdenlive"
      ];
    };

    # Add a virtual camera to use with Droidcam
    boot = {
      extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback.out ];
      kernelModules = [ "v4l2loopback" ];
      # Note on v4l2loopback kernel module parameters:
      # 	exclusive_caps: Skype, Zoom, Teams etc. will only show device when actually streaming. This MUST be set to 1 for Chrome to detect virtual cameras.
      # 	card_label: Name of virtual camera, how it'll show up in Skype, Zoom, Teams
      # 	https://github.com/umlaeute/v4l2loopback
      extraModprobeConfig = ''
        options v4l2loopback exclusive_caps=1 card_label="Virtual Camera"
      '';
    };
  };
}