Method and apparatus for supporting time shift playback in adaptive HTTP streaming transmission solution
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United States of America Patent
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Mar 25, 2014
Grant Date -
Jun 20, 2013
app pub date -
Feb 15, 2013
filing date -
Aug 17, 2010
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Abstract
A method and an apparatus for supporting time shift playback in an adaptive HTTP streaming transmission solution are disclosed. The method includes: sending a live MPD request message to a media server; receiving a response message that includes MPD for a current time period, where the MPD further includes media presentation information for another time period; determining that a moment of a media segment to be requested currently exceeds a time range corresponding to the MPD; acquiring the corresponding MPD according to the media presentation information corresponding to the media segment, and requesting, according to the acquired corresponding MPD, the media segment. In this manner, a client supports time shift playback of a larger time range, and at the same time, the size of the MPD is capable of remaining in an acceptable range.
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