import cv2
# 播放本地视频
capture = cv2.VideoCapture('video.mp4')

while(capture.isOpened()):
    ret, frame = capture.read()
    res2 = cv2.resize(frame, None, fx=0.3,fy=0.3, interpolation=cv2.INTER_LINEAR)
    cv2.imshow('frame', res2)
    if cv2.waitKey(30) == ord('q'):
        break