Read IP CAM Video Stream using Python

 Most of IP CAM like Dahua support RTSP protocol, Connect your IP cam to the network and get the camera IP.

Prerequisites:
1- Camera Feed must be H.264 and can't be H.265
2- Camera Feed Bit Rate should be 4096 or lower

SAMPLE IP CAM Admin Panel

Expected RTSP URL will be like this 

Dahua Main Stream:
rtsp://admin:password@192.168.1.102:554/cam/realmonitor?channel=1&subtype=0

Dahua Sub Stream:
rtsp://admin:password@192.168.1.102:554/cam/realmonitor?channel=1&subtype=1

Then you can access it using VLC or Python script like this

How to install open CV?

there are four OpenCV packages that are pip-installable on the PyPI repository:

opencv-python: This repository contains just the main modules of the OpenCV library. If you’re a PyImageSearch reader, you do not want to install this package.

opencv-contrib-python: The opencv-contrib-python repository contains both the main modules along with the contrib modules. This is the library we recommend you install, as it includes all OpenCV functionality.

opencv-python-headless: Same as opencv-python but no GUI functionality. Useful for headless systems.

opencv-contrib-python-headless: Same as opencv-contrib-python but no GUI functionality. Useful for headless systems.

You DO NOT want to install both opencv-python and opencv-contrib-python. Pick ONE of them.

pip install opencv-contrib-python will install the next package 

 opencv_contrib_python-4.6.0.66-cp36-abi3-win_amd64.whl