You can add video streams to your project with several options:
This method supports only mjpeg streams.
Use Add video stream button :
Check your video stream url starts with http: (this is for mjpeg stream)
For testing you can use your smartphone and IP Webcam app:
Start the video cast in the application and check its settings:
Check your stream in a browser:
The live video stream will be shown right during editing the stream control in the dashboard editor: