Python + opencv 操作远程IP摄像头

#!/usr/bin/env python

'''
Usage:
------
    ipcam.py
Keys:
-----
    ESC   - exit
'''

# Python 2/3 compatibility
from __future__ import print_function
import sys
PY3 = sys.version_info[0] == 3

if PY3:
    xrange = range

import cv2
import urllib
import numpy as np

print(__doc__)
stream=urllib.urlopen('http://admin:[email protected]:8081/video')
bytes=''
while True:
    bytes+=stream.read(16384)
    a = bytes.find('\xff\xd8')
    b = bytes.find('\xff\xd9')
    if a!=-1 and b!=-1:
        jpg = bytes[a:b+2]
        bytes= bytes[b+2:]
        i = cv2.imdecode(np.fromstring(jpg, dtype=np.uint8), cv2.IMREAD_COLOR)
        cv2.imshow('i',i)
        if cv2.waitKey(1) ==27:
            exit(0)