在python中获取帧到Hikvision摄像机
在python中获取帧到Hikvision摄像机
提问于 2017-06-15 10:23:50
我有下一个Hikvision摄像头i11969.html，我在我的本地网络中配置了它，我和浏览器有连接，我可以看到摄像机工作得很好。我在不同的帖子里搜索过像这样的镜头，但我做不到。在这里，我把我用来尝试的代码和响应。我想要获得一个框架，并将它保存在我的脱销后处理。
import cv2
import requests
import numpy as np
import urllib
import hikvision.api
import requests
import shutil
#Donwload from: https://github.com/fbradyirl/hikvision/archive/master.zip
hik_camera = hikvision.api.CreateDevice('192.168.1.64', username='admin', password=contrasenia)
"""
INFO:hikvision.api:Initialising new hikvision camera client
INFO:hikvision.api:motion_url: http://192.168.1.64/MotionDetection/1
INFO:hikvision.api:ElementTree.register_namespace: http://www.hikvision.com/ver10/XMLSchema
INFO:hikvision.api:Going to probe device to test connection
INFO:hikvision.api:url: http://192.168.1.64/System/deviceInfo
INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): 192.168.1.64
DEBUG:requests.packages.urllib3.connectionpool:"GET /System/deviceInfo HTTP/1.1" 200 696
DEBUG:hikvision.api:response: <Response [200]>
DEBUG:hikvision.api:status_code 200
DEBUG:hikvision.api:element_to_query: .//{http://www.hikvision.com/ver10/XMLSchema}firmwareVersion result: <Element '{http://www.hikvision.com/ver10/XMLSchema}firmwareVersion' at 0x7fb090b76cc8>
INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): 192.168.1.64
DEBUG:requests.packages.urllib3.connectionpool:"GET /MotionDetection/1 HTTP/1.1" 200 407
DEBUG:hikvision.api:Response: <?xml version="1.0" encoding="UTF-8"?>
<MotionDetection version="1.0" xmlns="http://www.hikvision.com/ver10/XMLSchema">
<id>1</id>
<enabled>false</enabled>
<regionType>grid</regionType>
<Grid>
<rowGranularity>18</rowGranularity>
<columnGranularity>22</columnGranularity>
</Grid>
<MotionDetectionRegionList>
<sensitivityLevel>0</sensitivityLevel>
</MotionDetectionRegionList>
</MotionDetection>
INFO:hikvision.api:Current motion detection state? enabled: false
WARNING:hikvision.api:sensitivityLevel is 0.
INFO:hikvision.api:sensitivityLevel now set to 1
INFO:hikvision.api:Connected OK!
INFO:hikvision.api:Camera firmaward version: V5.4.3
INFO:hikvision.api:Motion Detection enabled: False
"""
#The method:
"""
hik_camera.__class__( hik_camera.__setattr__(
hik_camera.__delattr__( hik_camera.__sizeof__(
hik_camera.__dict__ hik_camera.__str__(
hik_camera.__dir__( hik_camera.__subclasshook__(
hik_camera.__doc__ hik_camera.__weakref__
hik_camera.__eq__( hik_camera._base
hik_camera.__format__( hik_camera._host
hik_camera.__ge__( hik_camera._password
hik_camera.__getattribute__( hik_camera._sensitivity_level
hik_camera.__gt__( hik_camera._username
hik_camera.__hash__( hik_camera._xml_namespace
hik_camera.__init__( hik_camera.disable_motion_detection(
hik_camera.__le__( hik_camera.enable_motion_detection(
hik_camera.__lt__( hik_camera.get_about(
hik_camera.__module__ hik_camera.get_version(
hik_camera.__ne__( hik_camera.is_motion_detection_enabled(
hik_camera.__new__( hik_camera.motion_url
hik_camera.__reduce__( hik_camera.put_motion_detection_xml(
hik_camera.__reduce_ex__( hik_camera.xml_motion_detection_off
hik_camera.__repr__( hik_camera.xml_motion_detection_on
"""
hik_camera
#<hikvision.api.CreateDevice object at 0x7fb09183ab38>有了这段代码，我无法获得一个框架。
其他备选方案：
camera = requests.get('http://192.168.1.64', auth=('admin', contrasenia), stream=True)
#INFO:requests.packages.urllib3.connectionpool:Starting new HTTP connection (1): 192.168.1.64
#DEBUG:requests.packages.urllib3.connectionpool:"GET / HTTP/1.1" 200 480
chunk = camera.iter_content(chunk_size=1024)
chunk
#<generator object iter_slices at 0x7fb090b7a150>
bytes += bytes()
#Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
#TypeError: unsupported operand type(s) for +=: 'type' and 'bytes'其他：
stream = urllib.request.urlopen("http://192.168.1.64")
#<http.client.HTTPResponse object at 0x7fb090b82320>其他：
out_cv2 = cv2.VideoCapture('http://192.168.1.64')
#<VideoCapture 0x7fb090b6dc10>
cv2.imshow(out_cv2)
#Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
#TypeError: Required argument 'mat' (pos 2) not found
ret, frame = out_cv2.read()
cv2.imshow('out', frame)
#OpenCV Error: Assertion failed (size.width>0 && size.height>0) in imshow, file /io/opencv/modules/highgui/src/window.cpp, line 304
#Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
#cv2.error: /io/opencv/modules/highgui/src/window.cpp:304: error: (-215) size.width>0 && size.height>0 in function imshow
ret
#False
frame
#其他：
from requests.auth import HTTPBasicAuth
requ = requests.get('http://192.168.1.64', auth=HTTPBasicAuth('admin', contrasenia), stream=True)
out_file = open('img.png', 'wb')
shutil.copyfileobj(requ.raw, out_file)
#The file is empty这段代码来自其他有类似问题的帖子，但我不能用它来获取我的强迫性。我能做什么?
Stack Overflow用户
发布于 2020-06-22 11:30:16
这应该是你要找的。
import cv2
import requests
import numpy as np
from hikvisionapi import Client
cam = Client('http://192.168.1.10', 'admin', 'Astra123')
while True:
print("starting picture capture")
vid = cam.Streaming.channels[102].picture(method ='get', type = 'opaque_data')
bytes = b''
with open('screen.jpg', 'wb') as f:
for chunk in vid.iter_content(chunk_size=1024):
bytes += chunk
a = bytes.find(b'\xff\xd8')
b = bytes.find(b'\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) & 0xFF == ord('q'):
break
if cv2.waitKey(0) == 27:
cv2.destroyAllWindows()
break页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/44565049
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