5.button_call_video.py

import cv2
clicked = False
def onMouse(event, x, y, flags, param):
	global clicked
	if event == cv2.cv.CV_EVENT_LBUTTONUP:
		clicked = True
cameraCapture = cv2.VideoCapture(0)
cv2.namedWindow('MyWindow')
cv2.setMouseCallback('MyWindow', onMouse)
print 'Showing camera feed. Click window or press any key to stop.'
success, frame = cameraCapture.read()
while success and cv2.waitKey(0) == -1 and not clicked:
	cv2.imshow('MyWindow', frame)
	success, frame = cameraCapture.read()
	
cv2.destroyWindow('MyWindow')