Implementing channel start and file seek for decoder
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United States of America Patent
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Feb 16, 2016
Grant Date -
May 2, 2013
app pub date -
Dec 24, 2012
filing date -
Jul 17, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A video bit stream with pictures comprising inter-coded content can be decoded upon receiving a channel start or file seek instruction. Pictures for beginning decoding and display of the bit stream can be selected based at least in part on one or more tuning parameters that set a preference between a latency of beginning to display video and possible defects in the displayed video. In some embodiments, to implement decoding upon a channel start or file seek, one or more types of data are generated for one or more pictures. For example, picture order counts are generated for pictures after a channel start or file seek operation. As another example, a decoder generates a frame number value that triggers re-initialization of a reference picture buffer before decoding after a channel start or file seek operation.
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