Method and apparatus for providing user input back channel in audio/video system

摘要

A method and apparatus for providing a user input back channel (UIBC) in an audio/video (AV) source device and an AV sink device communicating according to a wireless fidelity (Wi-Fi) display (WFD) standard is provided. The method includes: setting up an AV control session and an AV data session between the AV source devices according to the WFD standards; enabling the UIBC from the AV sink device to the AV source device by using the AV control session; and transmitting a user input from the AV sink device to the AV source device through the UIBC.

主权项

1. A method of communicating between an audio/video (AV) source device and an AV sink device, the method comprising:
setting up, by the AV sink device, an AV control session and an AV data session with the AV source device; establishing a user input back channel (UIBC) using the AV control session, wherein the AV control session is established directly between the AV sink device and the AV source device using a peer to peer standard; receiving a user input by the AV sink device; and transmitting information regarding the user input to the AV source device through the UIBC, wherein the establishing of the UIBC comprises transmitting to the AV sink device, a request to enable the UIBC, and enabling the UIBC, in response to the request.