VERSION 2.0
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* Needs to make an annodex BOS page.
	* Need timebase and UTC from CMML stream.
* Needs to make an anxdata page (same serial as annodex) for each stream
	* Need to know how many following headers.
	* Need to know granule rate.
	* Additional header fields - where from ?
* Needs to ensure a CMML Stream ?
* Needs to put an annodex BOS after the anxdata BOS's
* Then mux pages as normal, but take the BOS flag off of the codec headers.