Terminal devices, infrastructure equipment and methods
View Patent ↗A terminal device comprising: transceiver circuitry configured to communicate with infrastructure equipment; and processing circuitry configured to control the transceiver circuitry to: receive, from the infrastructure equipment, a media content stream via a media interface; and receive a remote control instruction via the media interface.
1. A terminal device configured to operate in a wireless communication system, the terminal device comprising:
a media session handler configured to interface with an application of the terminal device; and
a media streamer configured to interface with the application of the terminal device, wherein
the media session handler is configured with a first uplink interface to transmit data to a media application function of an infrastructure equipment of the wireless communication system, wherein an API is exposed by the media application function to the media session handler, wherein the media session handler is configured to transmit data to the media application function executed by an infrastructure equipment via the first uplink interface,
the media session handler is configured with a first downlink interface to receive data from the media application function of the infrastructure equipment,
the media streamer is configured with a second uplink interface to transmit data to a media application server of the infrastructure equipment, and
the media streamer is configured with a second downlink interface to receive data from the media application server of the infrastructure equipment,
wherein uplink media streaming is performed via the first uplink interface,
wherein the media streamer is configured to encapsulate media data for transmission via the second uplink interface.
2. The terminal device of claim 1 , wherein
the media session handler is configured to establish, control and support a media session within the terminal device.
3. The terminal device of claim 1 , wherein
the media streamer is configured to stream media content on the terminal device.
4. The terminal device of claim 1 , wherein
the media session handler is configured to receive data from the media application function executed by the infrastructure equipment via the first downlink interface.
5. The terminal device of claim 1 , wherein
the media streamer is configured to transmit data to the media application server executed by the infrastructure equipment via the second uplink interface.
6. The terminal device of claim 1 , wherein
the media streamer is configured to receive data from the media application server executed by the infrastructure equipment via the second downlink interface.
7. The terminal device of claim 1 , further comprising:
a media session handling application program interface (API) configured to receive data transmitted from the application to the media session handler.
8. The terminal device of claim 1 , further comprising:
a media streamer application program interface (API) configured to receive data transmitted from the application to the media streamer.
9. The terminal device of claim 1 , further comprising:
a media session handling application program interface (API) configured to receive data transmitted from the media streamer to the media session handler.
10. The terminal device of claim 1 , further comprising:
a media streamer application program interface (API) configured to receive data transmitted from the media session handler to the media streamer.
11. The terminal device of claim 1 , wherein
the media session handler and media streamer-player are configured with distinct interfaces between each other for receiving information.
12. The terminal device of claim 11 , further comprising:
circuitry configured to control transmission over the distinct interfaces dependent upon whether an uplink or downlink communication is made with the infrastructure equipment between the media session handler and/or media stream handler.
13. The terminal device of claim 1 , wherein
the media streamer includes a media presentation and rendering subfunction configured to present media received from the infrastructure equipment via the second downlink interface.
14. The terminal device of claim 1 , wherein
the media streamer includes a media decoder subfunction configured to decode media received from the infrastructure equipment via the second downlink interface.
15. The terminal device of claim 1 , wherein
the media streamer includes a media decryption subfunction configured to decrypt media received from the infrastructure equipment via the second downlink interface.
16. The terminal device of claim 1 , wherein
the media streamer includes digital rights management (DRM) subfunction configured to provide a content protection mechanism using unique key management and key delivery system, policy enforcement and entitlement check.
17. The terminal device of claim 1 , wherein
the media streamer includes a media access client subfunction configured to access dynamic adaptive streaming over HTTP (DASH) formatted media segments received from the infrastructure equipment via the second downlink interface.
18. The terminal device of claim 1 , wherein
the media streamer is configured to perform media streaming, via the second downlink interface, in a push mode in which the infrastructure equipment initiates and controls transmission of the media stream to the terminal device, and
a format of the media stream is Real-Time Transport Protocol/User Datagram Protocol (RTP/UDP).
19. The terminal device of claim 1 , wherein
the media streamer is configured to perform media streaming, via the second uplink interface, in a pull mode in which the infrastructure equipment initiates and controls transmission of the media stream to the terminal device, and
a format of the media stream is Real-Time Transport Protocol/User Datagram Protocol (RTP/UDP).
20. A terminal device configured to operate in a wireless communication system, the terminal device comprising:
circuitry configured to
execute a media session handler function configured to interface with an application of the terminal device; and
execute a media streamer function configured to interface with the application of the terminal device, wherein
the media session handler function is configured with a first uplink interface to transmit data to a media application function of an infrastructure equipment of the wireless communication system, wherein an API is exposed by the media application function to the media session handler, wherein the media session handler is configured to transmit data to the media application function executed by an infrastructure equipment via the first uplink interface,
the media session handler function is configured with a first downlink interface to receive data from the media application function of the infrastructure equipment,
the media streamer function is configured with a second uplink interface to transmit data to a media application server of the infrastructure equipment, and
the media streamer function is configured with a second downlink interface to receive data from the media application server of the infrastructure equipment,
wherein uplink media streaming is performed via the first uplink interface,
wherein the media streamer is configured to encapsulate media data for transmission via the second uplink interface.
21. A non-transitory computer-readable medium including computer program instructions, which when executed by circuitry of a terminal device configured to operate in a wireless communication system, causes the terminal device to:
execute a media session handler configured to interface with an application of the terminal device; and
execute a media streamer configured to interface with the application of the terminal device, wherein
the media session handler is configured with a first uplink interface to transmit data to a media application function of an infrastructure equipment of the wireless communication system, wherein an API is exposed by the media application function to the media session handler, wherein the media session handler is configured to transmit data to the media application function executed by an infrastructure equipment via the first uplink interface,
the media session handler is configured with a first downlink interface to receive data from the media application function of the infrastructure equipment,
the media streamer is configured with a second uplink interface to transmit data to a media application server of the infrastructure equipment, and
the media streamer is configured with a second downlink interface to receive data from the media application server of the infrastructure equipment,
wherein uplink media streaming is performed via the first uplink interface,
wherein the media streamer is configured to encapsulate media data for transmission via the second uplink interface.
22. A method performed by a terminal device configured to operate in a wireless communication system, the method comprising:
executing a media session handler configured to interface with an application of the terminal device; and
executing a media streamer configured to interface with the application of the terminal device, wherein
the media session handler is configured with a first uplink interface to transmit data to a media application function of an infrastructure equipment of the wireless communication system, wherein the media session handler is configured to transmit data to the media application function executed by an infrastructure equipment via the first uplink interface,
the media session handler is configured with a first downlink interface to receive data from the media application function of the infrastructure equipment, wherein an API is exposed by the media application function to the media session handler,
the media streamer is configured with a second uplink interface to transmit data to a media application server of the infrastructure equipment, and
the media streamer is configured with a second downlink interface to receive data from the media application server of the infrastructure equipment,
wherein uplink media streaming is performed via the first uplink interface,
wherein the media streamer is configured to encapsulate media data for transmission via the second uplink interface.
23. The terminal device of claim 1 , wherein the first uplink interface provides the media session handler with uplink media session control information including media session authentication.
24. The terminal device of claim 23 , wherein the media session authentication is provided via the API exposed by the media application function to the media session handler to authenticate a media session of the terminal device.
25. The terminal device of claim 1 , wherein uplink media streaming is performed via the first uplink interface, in a pull mode, wherein the infrastructure equipment initiates and controls the media stream uplink from the terminal device.