import numpy as np
import cv2

cap = cv2.VideoCapture(0)
fourcc=cv2.VideoWriter_fourcc(*"mp4v")
out = cv2.VideoWriter('output.mp4',fourcc, 30.0, (640,480))
while (cap.isOpened()): 
	ret,frame = cap.read()
	if ret==True:
		out.write(frame)
		cv2.imshow('frame',frame)
		if cv2.waitKey(1) & 0xFF == ord('q'):
			break
	else:
		break
cap.release()
out.release()
cv2.destroyAllWindows()		