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Multimedia stream compression

  • US 8,259,788 B2
  • Filed: 01/25/2001
  • Issued: 09/04/2012
  • Est. Priority Date: 07/27/1998
  • Status: Active Grant
First Claim
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1. In a server that provides remote client access to one or more computer programs, a method of determining when to generate a compressed video stream representing a display for the one or more computer program s by monitoring changes to the display, the method comprising:

  • executing a computer program at a server, wherein the execution of the computer program generates display objects from a set of display commands, the display objects are at least a portion of a display for said computer program;

    identifying changes of said display which are responsive to at least one type of continuous user interaction command received from a remote client;

    determining whether said changes warrant an update to an image based at least in part on one or more of available bandwidth, available computing power, or type of user connection; and

    upon determining said changes do warrant an update, processing said changes and converting said display commands into a compressed video stream, wherein said changes are inserted into said compressed video stream at an update frame rate corresponding to a priority assigned to other portions of the display that are unchanged and such that changes to said image are inserted into the compressed video stream at a faster rate than compressed data that does not include changes to said image.

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