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Clarify first object in event and media timeline track#124

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suhasHere wants to merge 1 commit intomainfrom
snk-103
Open

Clarify first object in event and media timeline track#124
suhasHere wants to merge 1 commit intomainfrom
snk-103

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Fixes #103

updates in the second and subsequent Objects within each Group. Incremental updates
only contain media timeline records since the last media timeline Object.
of each MOQT Group of a media timeline track. An independent media timeline object
MUST contain all media timeline records accumulated up to that point, allowing a

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Should we force "all records up to that point"? It seems excessive, for very long stream (cricket games) and even worse for 24/7 channels. It would be good to have a kind of "horizon", and so we would let the publisher send only the XX latest records, corresponding to now - horizon. We could add an optional parameter specific to both timelines to express the horizon (either in ms or number of groups). If not, then we would assume infinite horizon.

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good point @gwendalsimon
Also i wonder, the publisher application is the final decision maker. I wonder how would the marker help the subscriber to act on it ?

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Groups and objects of the media timeline track and the event timeline track

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