try:
    import cv2
except ImportError as e:
    import subprocess
    subprocess.call(['python', '-m', 'pip', 'install', 'opencv-python']) # bytt f?rste streng til python3 hvis dette ikke virker
    import cv2

cap = cv2.VideoCapture('bordtennisball.mov')
fps = cap.get(cv2.CAP_PROP_FPS)
print (f'fps: {fps}')

count = 0
while True:
    ret,frame = cap.read()
    if ret:
        cv2.imwrite(f'frame{count}.jpg', frame)
        count = count + 1
    else:
        break
cap.release()
cv2.destroyAllWindows() # destroy all opened windows