# h/t: https://askubuntu.com/questions/165727/is-it-possible-for-two-processes-to-access-the-webcam-at-the-same-time
# h/t: https://www.reddit.com/r/NixOS/comments/p8bqvu/how_to_install_v4l2looback_kernel_module/

{ config, ... }: {
  boot.extraModulePackages = with config.boot.kernelPackages;
    [ v4l2loopback.out ];
  boot.kernelModules = [ "v4l2loopback" ];
  boot.extraModprobeConfig = ''
    options v4l2loopback video_nr=8,9 exclusive_caps=1,1 card_label="Live Camera,Recording Camera"
  '';
}