Patent ID: 8175097

Claim:
A method implemented at a device, the method comprising: creating a Real-Time Control Protocol (RTCP) message that includes a session description message, the session description message being: a Session Description Protocol (SDP) session description message; and associated with one of a plurality of pieces of media content in a play list of media content being streamed from the device to a client device; and sending the RTCP message to the client device, the RTCP message including: one or more Real-time Transport Protocol (RTP) State blocks, each RTP-State block identifying RTP-specific information about a media stream of the one of the plurality of pieces of media content; a first field containing data identifying the RTCP message as being a type that embeds the session description message; a second field containing data that is the session description message; and a third field containing data identifying a length of the RTCP message that is generated by summing a length of the first field, a length of the second field, a length of the third field, and a length of the one or more RTP-State blocks.