RTSP

RTSP (Real Time Streaming Protocol) is a signaling application protocol that is used to manage multimedia data in real time. One of the most popular applications of RTSP today is video surveillance systems. Data from cameras are stored on a specific server, and RTSP allows you to play them back online or transfer previously recorded data to the necessary devices.

RTSP for most functions is similar to HTTP, but in a more advanced form. With the protocol you can manage the state of the connection and transmit data outside the parameters of the main stream. With RTSP requests are generated both from the server side and from the client side.

Commands

Data management is performed using the following basic commands:

• DESCRIBE – call the description of files contained on the server;
• OPTIONS – call the description of the protocol methods of this server;
• PLAY – command to start content broadcasting;
• PAUSE – temporary stop of the broadcast;
• RECORD – content recording;
• REDIRECT – command to switch to other content;
• ANNOUNCE – update content description;
• TEARDOWN – stopping the stream and clearing resources;