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MANAGEMENT OF PICTURE REFERENCING IN VIDEO STREAMS FOR PLURAL PLAYBACK MODES

  • US 20110222837A1
  • Filed: 03/11/2010
  • Published: 09/15/2011
  • Est. Priority Date: 03/11/2010
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • receiving at a video stream receive-and-process (VSRP) device a transport stream including a video stream having plural compressed pictures, one or more of the plural compressed pictures associated with one or more respective reference picture lists and one or more reference picture reordering commands (RPRCs), the reference picture lists each comprising an association of reference pictures of a decoded picture buffer (DPB) for a given picture to be decompressed to ascending reference indices of the respective one or more reference picture lists;

    for the given picture to be decompressed, modifying the association of a first reference picture of the DPB from a second reference index to a first reference index responsive to the one or more RPRCs, wherein the association of the second reference index to the first reference picture corresponds to a default reference picture list;

    associating a second reference picture of the DPB to the second reference index responsive to the one or more RPRCs; and

    decompressing the given picture for output during a trick mode operation without decompressing the second reference picture.

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