1. A method for decoding video data, the method comprising:
decoding a duration between coded picture buffer (CPB) removal time of a first decoding unit (DU) in an access unit (AU) and CPB removal time of a second DU, wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
determining a removal time of the first DU based at least in part on the decoded duration; and
decoding video data of the first DU based at least in part on the removal time.
2. The method of claim 1, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU.
3. The method of claim 2, wherein the second DU is immediately subsequent to the first DU in the AU in decoding order.
4. The method of claim 2, wherein the second DU is a last DU in the AU in decoding order.
5. The method of claim 1, further comprising:
decoding one or more sub-picture level CPB parameters, wherein determining the removal time of the first DU comprises determining the removal time of the first DU based at least in part on the decoded duration and the sub-picture level CPB parameters.
6. The method of claim 5, wherein decoding one or more sub-picture level CPB parameters comprises:
decoding a sub-picture timing supplemental enhancement information (SEI) message that is associated with the first DU.
7. The method of claim 6, wherein the second DU is a last DU in the AU in decoding order, and wherein decoding the sub-picture SEI message comprises:
decoding the duration between a removal time of the last DU and the removal time of the first DU in the sub-picture timing SEI message.
8. The method of claim 5, further comprising:
decoding a sequence level flag to determine presence of the sub-picture level CPB parameters either in picture timing SEI messages or in sub-picture timing SEI messages.
9. The method of claim 1, wherein the AU has a TemporalId equal to 0, the method further comprising:
decoding at least one of a buffering period supplemental enhancement information (SEI) message or a recovery point SEI message associated with the AU.
10. The method of claim 1, further comprising:
deriving at least one of a CPB arrival time and a CPB nominal removal time for the AU at both an access unit level and a sub-picture level regardless of a value of a syntax element that defines whether the first DU is the AU.
11. A video decoding device comprising a video decoder configured to:
decode a duration between coded picture buffer (CPB) removal time of a first decoding unit (DU) in an access unit (AU) and CPB removal time of a second DU, wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
determine a removal time of the first DU based at least in part on the decoded duration; and
decode video data of the first DU based at least in part on the removal time.
12. The video decoding device of claim 11, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU.
13. The video decoding device of claim 12, wherein the second DU is immediately subsequent to the first DU in the AU in decoding order.
14. The video decoding device of claim 12, wherein the second DU is a last DU in the AU in decoding order.
15. The video decoding device of claim 11, wherein the video decoder is further configured to decode one or more sub-picture level CPB parameters, wherein determine the removal time of the first DU comprises determine the removal time of the first DU based at least in part on the decoded duration and the sub-picture level CPB parameters.
16. The video decoding device of claim 15, wherein the video decoder is further configured to decode one or more sub-picture level CPB parameters by decoding a sub-picture timing supplemental enhancement information (SEI) message that is associated with the first DU.
17. The video decoding device of claim 16, wherein the second DU is a last DU in the AU in decoding order, and wherein decode the sub-picture SEI message comprises decode the duration between a removal time of the last DU and the removal time of the first DU in the sub-picture timing SEI message.
18. The video decoding device of claim 15, wherein the video decoder is further configured to decode a sequence level flag to determine presence of the sub-picture level CPB parameters either in picture timing SEI messages or in sub-picture timing SEI messages.
19. The video decoding device of claim 11, wherein the AU has a TemporalId equal to 0, wherein the video decoder is further configured to decode at least one of a buffering period supplemental enhancement information (SEI) message or a recovery point SEI message associated with the AU.
20. The video decoding device of claim 11, wherein the video decoder is further configured to derive at least one of a CPB arrival time and a CPB nominal removal time for the AU at both an access unit level and a sub-picture level regardless of a value of a syntax element that defines whether the first DU is the AU.
21. A computer-readable storage medium having stored thereon instructions that, when executed, cause a processor of a device for decoding video data to:
decode a duration between coded picture buffer (CPB) removal time of a first decoding unit (DU) in an access unit (AU) and CPB removal time of a second DU, wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
determine a removal time of the first DU based at least in part on the decoded duration; and
decode video data of the first DU based at least in part on the removal time.
22. The computer-readable storage medium of claim 21, wherein the second DU is in the same AU as the first DU and wherein the second DU is one of immediately subsequent to the first DU in decoding order or a last DU in the AU in decoding order.
23. A video decoding device comprising:
means for decoding a duration between coded picture buffer (CPB) removal time of a first decoding unit (DU) in an access unit (AU) and CPB removal time of a second DU, wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
means for determining a removal time of the first DU based at least in part on the decoded duration; and
means for decoding video data of the first DU based at least in part on the removal time.
24. The video decoding device of claim 23, wherein the second DU is in the same AU as the first DU and wherein the second DU is one of immediately subsequent to the first DU in decoding order or a last DU in the AU in decoding order.
25. A method for encoding video data, the method comprising:
determining, for an AU including a first DU, a CPB removal time of a second DU, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU, and wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
determining a duration between CPB removal time of the first DU and the determined CPB removal time of the second DU; and
encoding the determined duration.
26. The method of claim 25, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU.
27. The method of claim 26, wherein the second DU is immediately subsequent to the first DU in the AU in decoding order.
28. The method of claim 26, wherein the second DU is a last DU in the AU in decoding order.
29. The method of claim 25, wherein encoding video data of the first DU based at least in part on the determined duration further comprises encoding the determined duration in one or more sub-picture level CPB parameters.
30. The method of claim 29, wherein encoding one or more sub-picture level CPB parameters comprises:
encoding a sub-picture timing supplemental enhancement information (SEI) message that is associated with the first DU.
31. The method of claim 30, wherein the second DU is a last DU in the AU in decoding order, and wherein encoding the sub-picture SEI message comprises:
encoding the duration between a removal time of the last DU and the removal time of the first DU in the sub-picture timing SEI message.
32. The method of claim 29, further comprising:
encoding a sequence level flag to indicate presence of the sub-picture level CPB parameters either in picture timing SEI messages or in sub-picture timing SEI messages.
33. The method of claim of claim 25, wherein the AU has a TemporalId equal to 0, the method further comprising:
encoding at least one of a buffering period supplemental enhancement information (SEI) message or a recovery point SEI message associated with the AU.
34. The method of claim 25, further comprising:
deriving at least one of a CPB arrival time and a CPB nominal removal time for the AU at both an access unit level and a sub-picture level regardless of a value of a syntax element that defines whether the first DU is the AU.
35. A video encoding device comprising a video encoder configured to:
determine, for an AU including a first DU, a CPB removal time of a second DU, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU, and wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
determine a duration between CPB removal time of the first DU and the determined CPB removal time of the second DU; and
encode video data of the first DU based at least in part on the determined duration.
36. The video encoding device of claim 35, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU.
37. The video encoding device of claim 36, wherein the second DU is immediately subsequent to the first DU in the AU in decoding order.
38. The video encoding device of claim 36, wherein the second DU is a last DU in the AU in decoding order.
39. The video encoding device of claim 35, wherein encode video data of the first DU based at least in part on the determined duration further comprises encode the determined duration in one or more sub-picture level CPB parameters.
40. The video encoding device of claim 39, wherein the video encoder is further configured to encode one or more sub-picture level CPB parameters by decoding a sub-picture timing supplemental enhancement information (SEI) message that is associated with the first DU.
41. The video encoding device of claim 40, wherein the second DU is a last DU in the AU in decoding order, and wherein encode the sub-picture SEI message comprises encode the duration between a removal time of the last DU and the removal time of the first DU in the sub-picture timing SEI message.
42. The video encoding device of claim 39, the video encoder is further configured to encode a sequence level flag to indicate presence of the sub-picture level CPB parameters either in picture timing SEI messages or in sub-picture timing SEI messages.
43. The video encoding device of claim 35, wherein the AU has a TemporalId equal to 0, the video encoder further configured to encode at least one of a buffering period supplemental enhancement information (SEI) message or a recovery point SEI message associated with the AU.
44. The video encoding device of claim 35, the video encoder is further configured to derive at least one of a CPB arrival time and a CPB nominal removal time for the AU at both an access unit level and a sub-picture level regardless of a value of a syntax element that defines whether the first DU is the AU.
45. A computer-readable storage medium having stored thereon instructions that, when executed, cause a processor of a device for encoding video data to:
determine, for an AU including a first DU, a CPB removal time of a second DU, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU, and wherein the first DU comprises a non-video coding layer (VCL) network abstraction layer (NAL) unit with nal_unit_type equal to UNSPEC0, EOS_NUT, EOB_NUT, in the range of RSV_NVCL44 to RSV_NVCL47 or in the range of UNSPEC48 to UNSPEC63;
determine a duration between CPB removal time of the first DU and the determined CPB removal time of the second DU; and
encode video data of the first DU based at least in part on the determined duration.
46. The computer-readable storage medium of claim 45, wherein the second DU is in the same AU as the first DU and wherein the second DU is one of immediately subsequent to the first DU in decoding order or a last DU in the AU in decoding order.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A computer implemented method for allowing remote operation of an instant messaging session, the computer implemented method comprising:
selecting a remote instant messaging client a list of a plurality of remote instant messaging clients;
receiving user input, wherein the user input indicates an instant messaging command to be executed on the selected remote instant messaging client;
sending a request to the selected remote instant messaging client, wherein the request includes the instant messaging command to be executed; and
receiving a status message from the selected remote instant messaging client indicating receipt of the request by the selected remote instant messaging client.
2. The computer implemented method of claim 1, wherein the instant messaging command comprises one of at least log on, log off, alter configuration settings, status, set status, and set status message.
3. The computer implemented method of claim 2, wherein the instant messaging command affects a plurality of a user’s active instant messaging chat sessions.
4. The computer implemented method of claim 2, wherein the instant messaging command affects a single, active instant messaging chat session out of a plurality of a user’s active instant messaging chat sessions.
5. The computer implemented method of claim 1, wherein the instant messaging command includes a single service type from a plurality of service types provided by an instant messaging service provider.
6. The computer implemented method of claim 5, wherein the instant messaging command applies to the plurality of service types provided by the instant messaging service provider.
7. The computer implemented method of claim 1, wherein the list of the plurality of remote instant messaging clients indicates which remote instant messaging clients are controllable from a remote location.
8. The computer implemented method of claim 1, wherein the instant messaging command includes a time element.
9. The computer implemented method of claim 1, wherein the instant messaging command includes a policy rule.
10. The computer implemented method of claim 1, further comprising:
receiving the request by a remote launcher program of the selected remote instant messaging client.
11. The computer implemented method of claim 10, wherein the request is first received by a third party program and the third party program passes the request on to the remote launcher program.
12. The computer implemented method of claim 10, wherein the remote launcher program executes the request.
13. The computer implemented method of claim 10, wherein the remote launcher program sends the status indication.
14. The computer implemented method of claim 10, wherein the remote launcher program is installed as a service.
15. A computer program product comprising a computer usable medium including computer usable program code for allowing remote operation of an instant messaging session, said computer program product comprising:
computer usable program code for selecting a remote instant messaging client from a list of a plurality remote instant messaging clients;
computer usable program code for receiving user input, wherein the user input indicates an instant messaging command to be executed on the selected remote instant messaging client;
computer usable program code for sending a request to the selected remote instant messaging client, wherein the request includes the instant messaging command to be executed; and
computer usable program code for receiving a status message from the selected remote instant messaging client indicating receipt of the request by the selected remote instant messaging client.
16. The computer program product of claim 15, wherein the list of the plurality remote instant messaging clients indicates which remote instant messaging clients are controllable from a remote location.
17. The computer program product of claim 15, wherein the instant messaging command includes a time element.
18. The computer program product of claim 15, wherein the instant messaging command includes a policy rule.
19. The computer program product of claim 15, further comprising:
computer usable program code for receiving the request by a remote launcher program of the selected remote instant messaging client.
20. A data processing system for allowing remote operation of an instant messaging session, said data processing system comprising:
a storage device, wherein the storage device stores computer usable program code; and
a processor, wherein the processor executes the computer usable program code to select a remote instant messaging client from a list of a plurality of remote instant messaging clients; receive user input, wherein the user input indicates an instant messaging command to be executed on the selected remote instant messaging client; send a request to the selected remote instant messaging client, wherein the request includes the instant messaging command to be executed; and receive a status message from the selected remote instant messaging client indicating receipt of the request by the selected remote instant messaging client.