【python】cv2实现摄像存储……虽然我是用来图书馆暂时离开监控的

'''
    可以把电脑开着放 然后去吃饭哈哈 感觉自己很傻
'''
import cv2
capture = cv2.VideoCapture(0)
# 定义编码方式并创建VideoWriter对象
f = cv2.VideoWriter_fourcc(*'MJPG')
outfile = cv2.VideoWriter('just_now video.avi', f, 30., (640, 480))
while(capture.isOpened()):
    ret, frame = capture.read()
    frame = cv2.flip(frame, 1, dst=None)  # 水平镜像
    if ret:
        outfile.write(frame)
        #cv2.imshow('frame', frame) #神不知 鬼不觉
        if cv2.waitKey(1) == ord('q'):
            break
    else:
        break