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Signalling Buffer Characteristics for Splicing Operations of Video Streams

  • US 20100293571A1
  • Filed: 05/12/2010
  • Published: 11/18/2010
  • Est. Priority Date: 05/12/2009
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • providing a transport stream to a splicing device, the transport stream comprising a head stream concatenated to a tail stream, the head stream and the tail stream each comprising a compressed video sequence from a separate video source; and

    providing in an adaptation field of a transport stream packet corresponding to the head stream an out-point that corresponds to a provided splice point, the splice point provided based on presentation time stamp (PTS) value, the out-point signaled by a descriptor in a program map table (PMT), the transport packet further comprising assistive information comprising one or more compressed picture buffer (CPB) properties and one or more decoded picture buffer (CPB) properties that are used in the concatenation of the head stream and the tail stream.

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