Pulling method of common webcam

Sometimes we pull the video stream from the webcam of some small factories , The picture of the camera can be seen through the browser , But usually the instruction manual does not indicate the address we obtained , Then you can try this address
rtsp://[ user name ]:[ password ]@[IP]:[ port ]/video1/2 1 Is the main code stream 2 Is a sub code stream

for example rtsp://admin:[email protected]:554/video1 It should be noted that , Ports are usually 554
rtsp://admin:@192.168.1.10:554/video1 If there is no password , It's empty