mirror of https://github.com/mpv-player/mpv
Allow headers to be repeated anywhere
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17548 b3059339-0415-0410-9bf9-f77b7e298cf2
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NUT Open Container Format DRAFT 20060203
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NUT Open Container Format DRAFT 20060207
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@ -680,10 +680,15 @@ stream_header (id=n)
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headers may be repeated, but if they are, then they MUST all be repeated
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headers may be repeated, but if they are, then they MUST all be repeated
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together and repeated headers MUST be identical
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together and repeated headers MUST be identical
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headers MAY only repeat at the closest possible positions after 2^x where x is
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Each set of repeated headers not at the beginning or end of the file SHOULD
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be stored at the earliest possible position after 2^x where x is
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an integer and the file end, so the headers may be repeated at 4102 if that is
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an integer and the file end, so the headers may be repeated at 4102 if that is
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the closest position after 2^12=4096 at which the headers can be placed
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the closest position after 2^12=4096 at which the headers can be placed
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Note: this allows an implementation reading the file to locate backup
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headers in O(log filesize) time as opposed to O(filesize)
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headers MUST be placed at least at the start of the file and immediately before
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headers MUST be placed at least at the start of the file and immediately before
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the index or at the file end if there is no index
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the index or at the file end if there is no index
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headers MUST be repeated at least twice (so they exist three times in a file)
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headers MUST be repeated at least twice (so they exist three times in a file)
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