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Innovations in video decoder implementations

  • US 8,265,144 B2
  • Filed: 06/30/2007
  • Issued: 09/11/2012
  • Est. Priority Date: 06/30/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • parsing plural parameters for a first picture of plural pictures from an encoded video bit stream that includes encoded data for the plural pictures in serial coded order;

    initializing the first picture by creating and filling one or more data structures for decoding the first picture;

    before decoding the first picture begins, entering the initialized first picture into a decoded picture buffer for use during multi-threaded decoding and recording one or more picture commands associated with the first picture in a command queue for use during the multi-threaded decoding to simulate management of the decoded picture buffer according to single-threaded decoding of the plural pictures in the serial coded order;

    repeating the parsing and the initializing for a second picture of the plural pictures;

    decoding the first picture, wherein the parsing and the initializing for the second picture finish before the decoding the first picture begins; and

    decoding the second picture.

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