{ pkgs, ... }:
{

    services.udev.extraRules = ''
        ACTION=="add", \
        SUBSYSTEM=="usb", \
        ATTR{idVendor}=="04a9", \
        ATTR{idProduct}=="31ea", \
    '';
#        RUN+="systemctl restart webcam"

    systemd.services.webcam = {
        enable = true;
        script = ''
            ${pkgs.gphoto2}/bin/gphoto2 --stdout --capture-movie |
            ${pkgs.ffmpeg}/bin/ffmpeg \
                -i - \
                -vcodec rawvideo \
                -pix_fmt yuv420p \
                -f v4l2 \
                /dev/video0
        '';
        #wantedBy = [ "multi-user.target" ];
    };
}