[Bug 24345] Remove "default-base-is-moof is set" requirement and clarify what "movie-fragment relative addressing" means

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24345

--- Comment #3 from Aaron Colwell <acolwell@google.com> ---
I'm fine with Jer's proposal, but I believe it also means that we'll have to
require that the data-offset-present flag be set on the first Track Fragment
Run ('trun') box in every 'traf' box that is present in the 'moof'. If I
understand the spec correctly, the 'moof' relative addressing only comes into
play if data-offset-present is set in a 'trun' box. Otherwise if no
'data_offset' fields are present in any 'trun' boxes, the positions are
relative to the beginning of the 'mdat' box that follows the 'moof' and each
'trun' requires parsing of the previous 'trun' even if that 'trun' is in a
previous 'traf'.

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Received on Saturday, 8 February 2014 16:58:20 UTC