Video pipeline with direct linkage between decoding and post processing
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United States of America Patent
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May 24, 2016
Grant Date -
May 29, 2014
app pub date -
Nov 28, 2012
filing date -
Nov 28, 2012
priority date (Note) -
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Abstract
In general, in one aspect, a decode order for a group of picture (GOP) frame structure for a video stream is modified to include regenerated P frames. The modified decode order includes a regenerated P frame of a P frame decoded prior to a sequence of B frames after last B frame in the sequence of B frames and before next I or P frame. The frames are decoded in modified decode order by a decode engine. The decoded frames are post processed in a display order (only includes regenerated P frames and does not include initial P frames defined in the decode order) by a post processing engine. The post processing engine may ignore the initial P frames or the decode engine may not forward the initial P frames to the post processing engine. The post processed frames may be prepared for presentation by a display engine.
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