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Method and apparatus for generating and processing packet in MPEG-2 transport stream

  • US 8,718,131 B2
  • Filed: 04/21/2008
  • Issued: 05/06/2014
  • Est. Priority Date: 04/25/2007
  • Status: Active Grant
First Claim
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1. A method of processing a packet, the method comprising:

  • receiving a packet including main data, a first identifier representing a type of the main data, at least one elementary stream, packet information that indicates a number of other packets having same identifiers as the first identifier after the packet in a transport stream, and a second identifier that identifies the at least one elementary stream;

    extracting the first identifier, the packet information, and the second identifier from the packet;

    determining whether the first identifier corresponds to a predetermined identifier; and

    controlling a decoder to extract the main data from the packet and the at least one elementary stream identified by the second identifier in response to determining that the first identifier corresponds to the predetermined identifier, and to discard the packet and discard the number of other packets in the transport stream in response to determining that the first identifier does not correspond to the predetermined identifier.

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