Adjustable buffer remote access

• US 9,172,740 B1
• Filed: 01/15/2013
• Issued: 10/27/2015
• Est. Priority Date: 01/15/2013
• Status: Active Grant

• Current Assignee: Google LLC (Alphabet Inc.)
• Original Assignee: Google Inc. (Alphabet Inc.)
• Inventors: Jia, Wei, Gu, Qunshan
• Primary Examiner(s): SALL, EL HADJI MALICK
• Application Number:
  US13/741,931
• Time in Patent Office: 1,015 Days
• Field of Search: 709/219, 709/203, 709/200, 709/217
• US Class Current: 1/1
• 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 2370/025 LAN communication management
• CPC Class Codes: G09G 5/393 Arrangements for updating the contents of the bit-mapped memory
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]

Abstract

A method and apparatus for adjustable buffer remote access is provided. Adjustable buffer remote access may include generating, at a client device, a client display buffer request indicating a portion of a display area of an operating environment of a host device, transmitting the client display buffer request to the host device receiving a rendering of a representation of the portion of the display area of the host device, presenting a client display portion of the rendered buffer portion as a window into the display area of the operating environment of the host device, receiving an indication of a client display portion change presenting an updated client display portion based on the rendered buffer portion and the client display portion change, transmitting an updated client display buffer request to the host device, receiving an updated rendered buffer portion, and presenting the updated client display portion.

Claims

1. A method of adjustable buffer remote access, the method comprising:

generating, at a client device, a client display buffer request indicating a portion of a display area of an operating environment of a host device;

transmitting the client display buffer request to the host device;

receiving a rendered buffer portion including a rendering of a representation of the portion of the display area of the operating environment of the host device, wherein the rendered buffer portion includes a client display portion and a margin portion;

presenting the client display portion as a window into the display area of the operating environment of the host device.

2. The method of claim 1, wherein transmitting the client display buffer request includes transmitting via an electronic communication network and receiving the rendered buffer portion includes receiving via the electronic communication network.

3. The method of claim 1, further comprising initiating an adjustable buffer remote access session, wherein initiating the adjustable buffer remote access session includes:

receiving host display information indicating the display area; and

generating the client display buffer request based on the host display information.

4. The method of claim 3, wherein the host display information includes a host width and a host height, and the client display buffer request includes a buffer width, a buffer height, a vertical buffer offset, and a horizontal buffer offset.

5. The method of claim 1, wherein receiving the rendered buffer portion includes receiving a series of frames.

6. The method of claim 1, wherein presenting the client display portion includes outputting a portion of the rendered buffer portion corresponding to the client display portion to a graphical display device of the client device.

7. The method of claim 1, wherein presenting the client display portion includes identifying the client display portion based on a difference between the rendered buffer portion and the margin portion.

8. The method of claim 1, wherein presenting the client display portion includes identifying the margin portion based on a margin size.

9. The method of claim 8, further comprising dynamically adjusting the margin size.

10. The method of claim 1, further comprising:

receiving an indication of a client display portion change from a user input device of the client device via an operating system of the client device;

presenting an updated client display portion based on the rendered buffer portion and the client display portion change, wherein the updated client display portion includes a portion of the margin portion;

generating an updated client display buffer request indicating an updated portion of the display area of the operating environment of the host device based on the client display portion change;

transmitting the updated client display buffer request to the host device;

receiving an updated rendered buffer portion including a rendering of a representation of the updated portion of the display area of the operating environment of the host device, wherein the updated rendered buffer portion includes the updated client display portion and an updated margin portion; and

presenting the updated client display portion.

11. The method of claim 10, wherein the client display portion change indicates a change in position, size, or zoom of the client display portion relative to the representation of the display area of the operating environment of the host device.

12. The method of claim 10, wherein receiving the indication of the client display portion change includes receiving a gesture.

13. The method of claim 10, wherein the client display portion change is smaller than the margin portion.

14. The method of claim 10, wherein the client display portion change is larger than the margin portion.

15. The method of claim 10, wherein presenting the updated client display portion based on the rendered buffer portion and the client display portion change and transmitting the updated client display buffer request to the host device are performed concurrently.

19. The method of claim 10, wherein presenting the updated client display portion based on the rendered buffer portion and the client display portion change and transmitting the updated client display buffer request to the host device are performed concurrently.

16. A method of adjustable buffer remote access, the method comprising:

initiating an adjustable buffer remote access session, wherein initiating the adjustable buffer remote access session includes;

receiving host display information indicating a display area of an operating environment of a host device,

generating, at a client device, a client display buffer request indicating a portion of the display area of the operating environment of the host device, and

transmitting the client display buffer request to the host device via an electronic communication network;

receiving, via the electronic communication network, a rendered buffer portion including a rendering of a representation of the portion of the display area of the operating environment of the host device, wherein the rendered buffer portion includes a client display portion and a margin portion;

identifying the client display portion based on a difference between the rendered buffer portion and the margin portion; and

presenting the client display portion as a window into the display area of the operating environment of the host device by outputting a portion of the rendered buffer portion corresponding to the client display portion to a graphical display device of the client device.

17. The method of claim 16, wherein receiving the rendered buffer portion includes receiving a series of frames.

18. The method of claim 16, further comprising:

receiving an indication of a client display portion change from a user input device of the client device via an operating system of the client device, wherein the client display portion change indicates a change in position, size, or zoom of the client display portion relative to the representation of the display area of the operating environment of the host device;

presenting an updated client display portion based on the rendered buffer portion and the client display portion change, wherein the updated client display portion includes a portion of the margin portion;

generating an updated client display buffer request indicating an updated portion of the display area of the operating environment of the host device based on the client display portion change;

transmitting the updated client display buffer request to the host device;

receiving an updated rendered buffer portion including a rendering of a representation of the updated portion of the display area of the operating environment of the host device, wherein the updated rendered buffer portion includes the updated client display portion and an updated margin portion; and

presenting the updated client display portion.

20. A method of adjustable buffer remote access, the method comprising:

initiating an adjustable buffer remote access session, wherein initiating the adjustable buffer remote access session includes;

receiving host display information indicating a display area of an operating environment of a host device,

generating, at a client device, a client display buffer request indicating a portion of the display area of the operating environment of the host device, and

transmitting the client display buffer request to the host device via an electronic communication network;

receiving, via the electronic communication network, a rendered buffer portion including a rendering of a representation of the portion of the display area of the operating environment of the host device, wherein the rendered buffer portion includes a client display portion and a margin portion;

presenting the client display portion as a window into the display area of the operating environment of the host device by outputting a portion of the rendered buffer portion corresponding to the client display portion to a graphical display device of the client device;

receiving an indication of a client display portion change from a user input device of the client device via an operating system of the client device, wherein the client display portion change indicates a change in position, size, or zoom of the client display portion relative to the representation of the display area of the operating environment of the host device;

presenting an updated client display portion based on the rendered buffer portion and the client display portion change, wherein the updated client display portion includes a portion of the margin portion;

transmitting an updated client display buffer request to the host device indicating an updated portion of the display area of the operating environment of the host device based on the client display portion change;

receiving an updated rendered buffer portion including a rendering of a representation of the updated portion of the display area of the operating environment of the host device, wherein the updated rendered buffer portion includes the updated client display portion and an updated margin portion; and

presenting the updated client display portion.