#环境:opencv 3.4.0 python 3.5.2#读取视频import cv2cap = cv2.VideoCapture('video.avi')#读取摄像头,0为摄像头索引,当有多个摄像头时...= cap.read()----#完整的读取视频流并播放视频流代码 # -*- coding:utf-8 -*-import cv2cap = cv2.VideoCapture("video.avi"...)while(1):# 读取视频帧 ret, frame = cap.read()# 显示视频帧 cv2.imshow("capture", frame)#等候50ms,播放下一帧,或者按q...键退出if cv2.waitKey(50) &0xFF ==ord('q'): break#释放视频流cap.release()#关闭所有窗口cv2.destroyAllWindows()#创建视频流写入对象...('I', '4', '2', '0'), 20, (640,480))#向视频文件写入一帧videoWriter.write(frame)#详解cv2.VideoWriter_fourcc对象(摘自Learning