@app.route("/start_record", methods=['POST'])
def start_capture():
    global camera
    with camlock:
        if camera:
            return 'already started'
        camera = picamera.PiCamera()
        camera.resolution = (1920, 1080)
        camera.start_preview()
        now = get_timestamp()
        recording_name = 'recording-%i' % (now)
        recording_dir = '%s/%s' % (CONFIG['capture']['directory'], recording_name)
        mkdir(CONFIG['capture']['directory'])
        os.mkdir(recording_dir)
        camera.start_recording('test.h264')
    return 'recording'