import cv2
videopath = 'C:/workspace/le-yolo/res/2.mp4'
video = cv2.VideoCapture(videopath)
num = 0
if video.isOpened():
    ret, frame = video.read()
else:
    ret = False
timeF = 8
filepath = 'C:/workspace/le-yolo/data/images/train/t2_'
while ret:
    ret, frame = video.read()
    if num % timeF == 0:
        cv2.imwrite(filepath + str(num) + '.jpg', frame)
    num = num + 1
    cv2.waitKey(1)
video.release()