python+opencv+android手机摄像头

#coding=utf-8
import cv2
import time

if __name__ == '__main__':

cv2.namedWindow("camera",1)
#开启ip摄像头
video="http://admin:admin@192.168.2.149:8081/"
capture =cv2.VideoCapture(video)

num = 0;
while True:
success,img = capture.read()
cv2.imshow("camera",img)

#按键处理，注意，焦点应当在摄像头窗口，不是在终端命令行窗口
key = cv2.waitKey(10)

if key == 27:
#esc键退出
print("esc break...")
break
if key == ord(' '):
#保存一张图像
num = num+1
filename = "frames_%s.jpg" % num
cv2.imwrite(filename,img)

capture.release()
cv2.destroyWindow("camera")

参考：http://blog.csdn.net/wuzuyu365/article/details/52469131