Compensating for latency in a streaming virtual reality environment

1. A method comprising:

determining, by a head-mounted display device (HMDD) having a field of view (FOV), first pose data that identifies an orientation of the HMDD worn by a participant viewing a virtual world via the HMDD;

sending, by the HMDD to a computing device via a network, the first pose data;

receiving, by the HMDD from the computing device, first oversized imagery generated based on the first pose data and a first oversized FOV that is larger than the FOV, wherein the first oversized imagery depicts a first oversized scene in the virtual world that is larger than a first scene encompassed by the FOV of the HMDD and the first oversized FOV is based at least in part on a predetermined head movement quantifier quantifying a rotational velocity of a head movement for the virtual world;

determining, by the HMDD, a real-time orientation of the HMDD;

extracting, from the first oversized imagery, an extracted portion of the first oversized imagery that depicts a portion of the virtual world encompassed by the FOV of the HMDD based on the real-time orientation of the HMDD; and

presenting the extracted portion on a display device of the HMDD.

2. The method of claim 1 further comprising:

presenting, by the HMDD on the display device, a menu identifying a plurality of virtual worlds, including the virtual world;

receiving, by the HMDD, a selection of the virtual world; and

sending, to the computing device, information that identifies the FOV of the HMDD.

3. The method of claim 2 wherein sending the information that identifies the FOV of the HMDD further comprises sending information that identifies a horizontal FOV of the HMDD and a vertical FOV of the HMDD.

4. The method of claim 1 further comprising:

receiving, from the computing device, an internet control message protocol (ICMP) echo request; and

sending, by the HMDD to the computing device, a response to the ICMP echo request.

5. The method of claim 4 further comprising, subsequent to sending the response to the ICMP echo request:

determining, by the HMDD, second pose data that identifies the orientation of the HMDD worn by the participant viewing the virtual world via the HMDD;

sending, by the HMDD to the computing device via the network, the second pose data;

receiving, by the HMDD from the computing device, second oversized imagery generated based on the second pose data and a second oversized FOV that is larger than the FOV and smaller than the first oversized FOV, wherein the second oversized imagery depicts a second oversized scene in the virtual world that is larger than a second scene encompassed by the FOV of the HMDD;

determining, by the HMDD, the real-time orientation of the HMDD;

extracting, from the second oversized imagery, an extracted portion of the second oversized imagery that depicts a portion of the virtual world encompassed by the FOV of the HMDD based on the real-time orientation of the HMDD; and

presenting the extracted portion on the display device of the HMDD.

6. The method of claim 1 wherein the first oversized imagery comprises rendered imagery, and wherein the HMDD lacks a graphics processing unit (GPU) and the extracted portion of the first oversized imagery is extracted without rendering the extracted portion.

7. The method of claim 1 , wherein the first oversized FOV is based at least in part on a round-trip time value quantifying an elapsed time of a signal communicated from the computing device through the network to the HMDD and receipt, by the computing device, of a response from the HMDD to the signal.

8. A head mounted display device (HMDD), comprising:

a memory; and

a processor device coupled to the memory configured to:

determine first pose data that identifies an orientation of the HMDD worn by a participant viewing a virtual world via the HMDD;

send, to a computing device via a network, the first pose data;

receive, from the computing device, first oversized imagery generated based on the first pose data and a first oversized field of view (FOV) that is larger than an FOV of the HMDD, wherein the first oversized imagery depicts a first oversized scene in the virtual world that is larger than a first scene encompassed by the FOV of the HMDD and the first oversized FOV is based at least in part on a predetermined head movement quantifier quantifying a rotational velocity of a head movement for the virtual world;

determine a real-time orientation of the HMDD;

extract, from the first oversized imagery, an extracted portion of the first oversized imagery that depicts a portion of the virtual world encompassed by the FOV of the HMDD based on the real-time orientation of the HMDD; and

present the extracted portion on a display device of the HMDD.

9. The HMDD of claim 8 , wherein the processor device is further configured to:

present, on the display device, a menu identifying a plurality of virtual worlds, including the virtual world;

receive a selection of the virtual world; and

send, to the computing device, information that identifies the FOV of the HMDD.

10. The HMDD of claim 9 , wherein, to send the information that identifies the FOV of the HMDD, the processor device is further configured to send information that identifies a horizontal FOV of the HMDD and a vertical FOV of the HMDD.

11. The HMDD of claim 8 , wherein the processor device is further configured to:

receive, from the computing device, an internet control message protocol (ICMP) echo request; and

send, to the computing device, a response to the ICMP echo request.

12. The HMDD of claim 11 wherein, subsequent to sending the response to the ICMP echo request, the processor device is further configured to:

determine, second pose data that identifies the orientation of the HMDD worn by the participant viewing the virtual world via the HMDD;

send, to the computing device via the network, the second pose data;

receive, from the computing device, second oversized imagery generated based on the second pose data and a second oversized FOV that is larger than the FOV and smaller than the first oversized FOV, wherein the second oversized imagery depicts a second oversized scene in the virtual world that is larger than a second scene encompassed by the FOV of the HMDD;

determine the real-time orientation of the HMDD;

extract, from the second oversized imagery, an extracted portion of the second oversized imagery that depicts a portion of the virtual world encompassed by the FOV of the HMDD based on the real-time orientation of the HMDD; and

present the extracted portion on the display device of the HMDD.

13. The HMDD of claim 8 , wherein the first oversized imagery comprises rendered imagery, and wherein the HMDD lacks a graphics processing unit (GPU) and the extracted portion of the first oversized imagery is extracted without rendering the extracted portion.

14. A non-transitory computer-readable storage medium that includes executable instructions configured to cause a processor device to:

determine first pose data that identifies an orientation of a head-mounted display device (HMDD) having a field of view (FOV) worn by a participant viewing a virtual world via the HMDD;

send, to a computing device via a network, the first pose data;

receive, from the computing device, first oversized imagery generated based on the first pose data and a first oversized field of view (FOV) that is larger than an FOV of the HMDD, wherein the first oversized imagery depicts a first oversized scene in the virtual world that is larger than a first scene encompassed by the FOV of the HMDD and the first oversized FOV is based at least in part on a predetermined head movement quantifier quantifying a rotational velocity of a head movement for the virtual world;

determine a real-time orientation of the HMDD;

extract, from the first oversized imagery, an extracted portion of the first oversized imagery that depicts a portion of the virtual world encompassed by the FOV of the HMDD based on the real-time orientation of the HMDD; and

present the extracted portion on a display device of the HMDD.

15. The non-transitory computer-readable storage medium of claim 14 , wherein the instructions further cause the processor device to:

present, on the display device, a menu identifying a plurality of virtual worlds, including the virtual world;

receive a selection of the virtual world; and

send, to the computing device, information that identifies the FOV of the HMDD.

16. The non-transitory computer-readable storage medium of claim 15 , wherein, to send the information that identifies the FOV of the HMDD, the instructions further cause the processor device to send information that identifies a horizontal FOV of the HMDD and a vertical FOV of the HMDD.

17. The non-transitory computer-readable storage medium of claim 14 , wherein the instructions further cause the processor device to:

receive, from the computing device, an internet control message protocol (ICMP) echo request; and

send, to the computing device, a response to the ICMP echo request.

18. The non-transitory computer-readable storage medium of claim 17 wherein, subsequent to sending the response to the ICMP echo request, the instructions further cause the processor device to:

determine, second pose data that identifies the orientation of the HMDD worn by the participant viewing the virtual world via the HMDD;

send, to the computing device via the network, the second pose data;

receive, from the computing device, second oversized imagery generated based on the second pose data and a second oversized FOV that is larger than the FOV and smaller than the first oversized FOV, wherein the second oversized imagery depicts a second oversized scene in the virtual world that is larger than a second scene encompassed by the FOV of the HMDD;

determine the real-time orientation of the HMDD;

extract, from the second oversized imagery, an extracted portion of the second oversized imagery that depicts a portion of the virtual world encompassed by the FOV of the HMDD based on the real-time orientation of the HMDD; and

present the extracted portion on the display device of the HMDD.

19. The non-transitory computer-readable storage medium of claim 14 , wherein the first oversized imagery comprises rendered imagery, and wherein the HMDD lacks a graphics processing unit (GPU) and the extracted portion of the first oversized imagery is extracted without rendering the extracted portion.