# File lib/headless/video/video_recorder.rb, line 24
    def start_capture
      CliUtil.fork_process("#{CliUtil.path_to('ffmpeg')} -y -r #{@frame_rate} -g 600 -s #{@dimensions} -f x11grab -i :#{@display} -vcodec #{@codec} #{@tmp_file_path}", @pid_file_path, @log_file_path)
      at_exit do
        exit_status = $!.status if $!.is_a?(SystemExit)
        stop_and_discard
        exit exit_status if exit_status
      end
    end