The chrome.cast.streaming.receiverSession API creates a Cast
receiver session and adds the resulting audio and video tracks to a
MediaStream.

  * available since Chrome 72
  * https://developer.chrome.com/extensions/cast.streaming.receiverSession

The chrome.cast.streaming.rtpStream API allows configuration
of encoding parameters and RTP parameters used in a Cast streaming
session.

Valid stream IDs are positive and non-zero.

  * available since Chrome 72
  * https://developer.chrome.com/extensions/cast.streaming.rtpStream

The chrome.cast.streaming.session API creates a Cast
session using WebMediaStreamTrack as sources. The session is composed
by RTP streams and a network transport.

Calling this API will generate corresponding resources for use with
chrome.cast.streaming.rtpStream and chrome.cast.streaming.udpTransport
APIs.

Valid resource IDs are positive and non-zero.

  * available since Chrome 72
  * https://developer.chrome.com/extensions/cast.streaming.session

The chrome.webrtc.castUdpTransport API represents a UDP
transport for Cast RTP streams. This API is not useful when standalone
since it does not have send and receive methods.
It is used to configure the UDP transport used in Cast session.

Valid transport IDs are positive and non-zero.

  * available since Chrome 72
  * https://developer.chrome.com/extensions/cast.streaming.udpTransport