mirror of https://github.com/mpv-player/mpv
better back_ptr_div16 description by (Clemens Ladisch ((( cladisch ( fastmail (( net
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22069 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -736,10 +736,11 @@ Syncpoint tags:
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back_ptr_div16 (v)
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back_ptr_div16 (v)
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back_ptr = back_ptr_div16 * 16 + 15
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back_ptr = back_ptr_div16 * 16 + 15
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back_ptr must point to a position within 16 bytes of a syncpoint
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back_ptr must point to a position up to 15 bytes before a syncpoint
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startcode. This syncpoint MUST be the closest syncpoint such that at
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startcode. Relative to position of current syncpoint. The syncpoint
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least one keyframe with a pts lower or equal to the original syncpoint's
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pointed to MUST be the closest syncpoint such that at least one keyframe
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global_key_pts for all streams lies between it and the current syncpoint.
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with a pts lower or equal to the current syncpoint's global_key_pts for
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all streams lies between it and the current syncpoint.
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A stream where EOR is set is to be ignored for back_ptr.
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A stream where EOR is set is to be ignored for back_ptr.
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