Method and apparatus for detecting frame types
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United States of America Patent
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Nov 15, 2016
Grant Date -
Oct 24, 2013
app pub date -
Jun 17, 2013
filing date -
Dec 17, 2010
priority date (Note) -
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Abstract
Embodiments of the present invention disclose a method and an apparatus for detecting frame types. The method includes: detecting play time of each frame; and if the play time of a current frame is less than the maximum play time of received frames, determining the current frame as a bi-directional predicted frame, B-frame. In the technical solutions provided by the embodiments of the present invention, the frame types are determined according to a coding sequence of various frames and comparison between data amounts of various frames received earlier and later, without decoding a payload. Therefore the impact of a reduction factor is eliminated and the frame types can be detected more accurately.
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