title: how loading a high quality video in python-opencv and play as normally?
body: <pre><code>import numpy as np
  import cv2
  
  cap = cv2.VideoCapture('1440pHD.mp4')
  while(cap.isOpened()):
  
      ret, frame = cap.read()
      cv2.imshow('frame',frame)
      if cv2.waitKey(1) &amp; 0xFF == ord('q'):
          break
  
  cap.release()
  cv2.destroyAllWindows()
  </code></pre>