Wireless display with multiscreen service

• US 9,525,998 B2
• Filed: 09/07/2012
• Issued: 12/20/2016
• Est. Priority Date: 01/06/2012
• Status: Expired due to Fees

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Sheth, Soham V., Raveendran, Vijayalakshmi R., Shaukat, Fawad
• Primary Examiner(s): Bates, Kevin
• Assistant Examiner(s): MCCRAY, CLARENCE D
• Application Number:
  US13/606,839
• Publication Number:
  US 20130238702A1
• Time in Patent Office: 1,565 Days
• Field of Search: 709/204, 709/205, 709/206, 709/219, 709/208
• US Class Current: 1/1
• CPC Class Codes: G06F 3/1423 controlling a plurality of local displays, e.g. CRT and flat panel display
• CPC Class Codes: G06F 3/1454 involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
• CPC Class Codes: G09G 2340/02 Handling of images in compressed format, e.g. JPEG, MPEG
• CPC Class Codes: G09G 2350/00 Solving problems of bandwidth in display systems
• CPC Class Codes: G09G 2370/04 Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
• CPC Class Codes: G09G 2370/10 Use of a protocol of communication by packets in interfaces along the display data pipeline
• CPC Class Codes: G09G 2370/16 Use of wireless transmission of display information
• CPC Class Codes: H04L 67/131 Protocols for games, networked simulations or virtual reality
• CPC Class Codes: H04L 69/24 Negotiation of communication capabilities
• CPC Class Codes: H04W 8/24 Transfer of terminal data

Abstract

Techniques of this disclosure are generally directed to a method of transmitting content of a first wireless computing device to a second wireless computing device. A first wireless computing device may initiate a WI-FI display (WFD) connection, transmit data from the first wireless computing device via the WFD connection to the second wireless computing device, execute a media sharing application that enables the first wireless computing device to share a media item of a playlist with a wireless client computing device, transmit information that describes the media item of the playlist to the wireless client computing device, wherein transmitting the information that describes the media item causes the second wireless computing device to determine if the wireless client computing device is capable of outputting the media item, and transmit the media item to the wireless client computing device.

Claims

1. A method of transmitting content of a first wireless computing device to a second wireless computing device, the method comprising:

initiating, with the first wireless computing device, a WI-FI display (WFD) connection with the second wireless computing device;

transmitting, with the first wireless computing device, data from the first wireless computing device via the WFD connection to the second wireless computing device;

establishing a wireless communication channel between the first wireless computing device and a wireless client computing device;

executing, with the first wireless computing device, a media sharing application that enables the first wireless computing device to share a media item of a playlist with the wireless client computing device across the wireless communication channel;

transmitting, with the first wireless computing device and via the wireless communication channel, information that describes the media item of the playlist to the wireless client computing device, wherein the information that describes the media item includes at least one of;

a bit rate, level, resolution, file type, or file name of the media item and wherein transmitting the information that describes the media item causes the wireless client computing device to determine if the wireless client computing device is capable of outputting the media item; and

transmitting, with the first wireless computing device and via the wireless communication channel, the media item to the wireless client computing device.

2. The method of claim 1, wherein transmitting the data from the first wireless computing device to the second wireless computing device causes the second wireless computing device to mirror a display output device of the first wireless computing device.

3. The method of claim 1, wherein the information that describes the format of the media item comprises at least one of extensible markup language (XML), binary, hypertext markup language (HTML), and comma separated values (CSV).

4. The method of claim 1, further comprising receiving a media playback command from the wireless client computing device.

5. The method of claim 4, wherein the media playback command comprises a Real-Time Streaming Protocol (RTSP) directive.

6. The method of claim 4, wherein transmitting the media item occurs in response to receiving the media playback command from the wireless client computing device.

7. The method of claim 1, further comprising receiving, with the first wireless computing device, user input from the second wireless computing device.

8. The method of claim 1, wherein the data transmission via the WFD connection and the execution of the media sharing application occur simultaneously.

9. The method of claim 1, further comprising:

receiving, with the first wireless computing device and via the wireless communication channel, authentication information from the wireless client computing device;

authenticating, with the first wireless computing device, the wireless client computing device based on the authentication information; and

granting, with the first wireless computing device, access to the playlist to the wireless client computing device in response to authenticating the wireless client computing device.

10. The method of claim 1, wherein transmitting the media item comprises streaming the media item using Real-Time Transport Protocol (RTP).

11. The method of claim 1, wherein the second wireless computing device and the wireless client computing device are different devices, wherein the WFD connection comprises a first WFD connection, the method further comprising:

transmitting, with the first wireless computing device, the media item to the second wireless computing device;

receiving, with the first wireless computing device and from the second wireless computing device, user input related to the media item;

transmitting, with the first wireless computing device, WFD data related to at least one of the playlist and the media item of the playlist via a second WFD connection to the wireless client computing device; and

receiving, with the first wireless computing device, a user input back channel (UIBC) input command from the wireless client computing device via the second WFD connection.

12. The method of claim 11, further comprising:

terminating, with the first wireless computing device, the second WFD connection in response to receiving the UIBC input command from the wireless client computing device.

13. The method of claim 1, wherein executing the media sharing application that enables the first wireless computing device to share the media item of the playlist with the wireless client computing device further comprises:

transmitting, with the first wireless computing device, the playlist to the wireless client computing device.

14. The method of claim 1, wherein the second wireless computing device and the wireless client computing device are the same device.

15. A first wireless computing device comprising:

a WI-FI display (WFD) module configured to;

initiate a WI-FI display (WFD) connection with a second wireless computing device; and

transmit data from the first wireless computing device via the WFD connection to the second wireless computing device; and

a media sharing module configured to;

execute a media sharing application that enables the first wireless computing device to share a media item of a playlist with a wireless client computing device across a wireless communication channel;

transmit information that describes the media item of the playlist to the wireless client computing device via the wireless communication channel,

wherein the information that describes the media item includes at least one of;

a bit rate, level, resolution, file type, or file name of the media item, and

wherein the transmission of the information that describes the media item causes the wireless client computing device to determine if the wireless client computing device is capable of outputting the media item and to transmit the media item to the wireless client computing device via the wireless communication channel.

16. The first wireless computing device of claim 15, wherein the transmission of the data from the first wireless computing device to the second wireless computing device causes the second wireless computing device to mirror a display output device of the first wireless computing device.

17. The first wireless computing device of claim 15, wherein the information that describes the format of the media item comprises at least one of extensible markup language (XML), binary, hypertext markup language (HTML), and comma separated values (CSV).

18. The first wireless computing device of claim 15, wherein the media sharing module is further configured to receive a media playback command from the wireless client computing device.

19. The first wireless computing device of claim 18, wherein the media playback command comprises a Real-Time Streaming Protocol (RTSP) directive.

20. The first wireless computing device of claim 18, wherein the media sharing module is configured to transmit the media item in response to receiving the media playback command from the wireless client computing device.

21. The first wireless computing device of claim 15, wherein the WFD module is further configured to receive user input from the second wireless computing device.

22. The first wireless computing device of claim 15, wherein the data transmitted via the WFD connection and the execution of the media sharing application occur simultaneously.

23. The first wireless computing device of claim 15, wherein the media sharing module is further configured to:

receive authentication information from the wireless client computing device via the wireless communication channel;

authenticate the wireless client computing device based on the authentication information; and

grant the wireless client computing device access to the playlist in response to the authentication of the wireless client computing device.

24. The first wireless computing device of claim 15, wherein to transmit the media item, the WFD module is configured to stream the media item using Real-Time Transport Protocol (RTP).

25. The first wireless computing device of claim 15, wherein the second wireless computing device and the wireless client computing device are different devices, wherein the WFD connection comprises a first WFD connection, wherein the WFD module is further configured to:

transmit, with the first wireless computing device, the media item to the second wireless computing device;

receive, with the first wireless computing device, user input related to the media item from the second wireless computing device;

transmit WFD data related to at least one of the playlist and the media item of the playlist via a second WFD connection to the wireless client computing device; and

receive a user input back channel (UIBC) input command from the wireless client computing device via the second WFD connection.

26. The first wireless computing device of claim 25, wherein the WFD module is further configured to:

terminate the second WFD connection in response to receiving the UIBC input command from the wireless client computing device.

27. The first wireless computing device of claim 15, wherein to execute the media sharing application that enables the first wireless computing device to share the media item of the playlist with the wireless client computing device, the media sharing module is further configured to:

transmit the playlist to the wireless client computing device.

28. The first wireless computing device of claim 15, wherein the second wireless computing device and the wireless client computing device are the same device.

29. A first wireless computing device comprising:

means for initiating a WI-FI display (WFD) connection with a second wireless computing device;

means for transmitting data via the WFD connection to the second wireless computing device;

means for establishing a wireless communication channel with a wireless client computing device;

means for executing a media sharing application that enables the first wireless computing device to share a media item of a playlist with the wireless client computing device across the communication channel;

means for transmitting, via the wireless communication channel, information that describes the media item of the playlist to the wireless client computing device, wherein the information that describes the media item includes at least one of;

a bit rate, level, resolution, file type, or file name of the media item, wherein the information causes the wireless client computing device to determine if the wireless client computing device is capable of outputting the media item; and

means for transmitting the media item via the wireless communication channel to the wireless client computing device.

30. A non-transitory, computer-readable storage medium including instructions stored thereon that when executed cause one or more processors to:

initiate a WI-FI display (WFD) connection with a second wireless computing device;

transmit data from the first wireless computing device via the WFD connection to the second wireless computing device;

establish a wireless communication channel between the first wireless computing device and a wireless client computing device;

execute a media sharing application that enables the first wireless computing device to share a media item of a playlist with the wireless client computing device across the wireless communication channel;

transmit information that describes the format of the media item of the playlist to the wireless client computing device via the wireless communication channel, wherein the information that describes the media item includes at least one of;

a bit rate, level, resolution, file type, or file name of the media item, wherein the information, when received by the wireless client computing device, causes the wireless client computing device to determine if the wireless client computing device is capable of outputting the media item; and

transmit the media item to the wireless client computing device via the wireless communication channel.