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Methods and systems for encoding and decoding video data to enable random access and splicing

  • US 7,149,247 B2
  • Filed: 01/22/2003
  • Issued: 12/12/2006
  • Est. Priority Date: 01/22/2002
  • Status: Active Grant
First Claim
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1. A method comprising, at a video encoder:

  • encoding first information for a first location in a video sequence of pictures, wherein the first location is a random access point location in the video sequence, wherein pictures at or after the random access point location are to be decoded by a video decoder, the encoded first information facilitating random access of the video sequence by the video decoder; and

    transmitting the encoded first information;

    wherein the encoded first information comprises second information indicating a second location in the video sequence, wherein pictures at or after, but not before, the second location are displayable with an assured level of correctness after random access, the second location being at or after the random access point location.

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