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Methods and systems for real-time seeking during real-time playback of a presentation layer protocol data stream

  • US 7,831,728 B2
  • Filed: 11/01/2006
  • Issued: 11/09/2010
  • Est. Priority Date: 01/14/2005
  • Status: Active Grant
First Claim
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1. A method for adaptive generation of state-snapshots enabling real-time seeking during real-time playback of a presentation layer protocol data stream transmitted from an application server (i) executing an application for a client and (ii) streaming the output display generated by the application to the client, the method comprising:

  • (a) displaying, by a foreground protocol engine, a presentation layer protocol data stream comprising a first plurality of packets received by a background protocol engine and a second plurality of packets yet to be received by the background protocol engine during transmission of the presentation layer protocol data stream from a first device to a second device;

    (b) monitoring, by the background protocol engine, an activity of the user during the presentation;

    (c) developing, by the background protocol engine, an activity profile responsive to the monitoring of the activity;

    (d) collecting and storing, by the background protocol engine, data related to the activity of the user;

    (e) modifying, by the background protocol engine, the activity profile responsive to the collected data related to the activity of the user;

    (f) generating, by the background protocol engine, at least one state-snapshot of the background protocol engine, responsive to the activity profile;

    (g) modifying, by the background protocol engine, the at least one state-snapshot, responsive to receiving at least one packet in the second plurality of packets.(h) identifying, by the foreground protocol engine, the at least one state-snapshot; and

    (i) displaying, by the foreground protocol engine, the presentation layer protocol data stream from the at least one state-snapshot while receiving the second plurality of packets by the background protocol engine during transmission of the presentation layer protocol data stream.

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