def change_stream_method(option=''):
# DEBUG: why do I need the global Camera?
global Camera
# when not specify option, use the request
if option is '':
new_stream_method = request.args.get('stream_method', 'PiCamera')
option = new_stream_method
if option == 'OpenCV':
print('Change the stream method to OpenCV')
# only change the stream method if the current one is not right
if Camera.stream_method == 'PiCamera':
Camera.stop_stream()
from camera_pi_cv import Camera
Camera.stream_method = 'OpenCV'
Camera.start_stream()
time.sleep(0.1)
elif option == 'PiCamera':
print('Change the stream method to Picamera')
# only change the stream method if the current one is not right
if Camera.stream_method == 'OpenCV':
Camera.stop_stream()
from camera_pi import Camera
Camera.stream_method = 'PiCamera'
Camera.start_stream()
time.sleep(0.1)
def index():
"""Video streaming home page."""
Camera.start_stream()
initialise_serial_connection()
return render_template('index.html')
