Python+OpenCV采集本地摄像头的视频

import cv2import cv2.cv def getCam(): window_name='show image' cv2.namedWindow(window_name,cv2.WINDOW_NORMAL) video_cap_obj=cv2.VideoCapture(0) if video_cap_obj==None:  print('video caoture error') if video_cap_obj.open(0)==False:  print('open error') while True:  retval,image=video_cap_obj.read()  cv2.cv.ShowImage(window_name,cv2.cv.fromarray(image))  if cv2.waitKey(10)==27:   break video_cap_obj.release() if __name__=='__main__': getCam()