Transport packet filter for packet video system

Details Transport packet filter for packet video system Transport packet filter for packet video system

H - Electricity

04

L

H04L 12/56 (2006.01) H04N 7/167 (2006.01)

Patent

CA 2387154

A method and an apparatus for processing a packetized transport stream that determines whether a sequence of transport packets are received in a proper sequence and whether an error is present in a particular transport packet. The method includes the steps of determining a packet identifier for identifying transport packets associated with a selected program and parsing a packetized transport stream to identify and capture the desired sequence of transport packets in response to the packet identifier. The method further includes the steps of detecting a counter portion, determining whether a desired sequence of transport packets has been received in response to the counter portion, detecting a one bit toggle portion, and determining whether an error exists in the associated transport packet in response to the one bit toggle portion. An apparatus for implementing the method is also disclosed.

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