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Clarify End of track #635

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Clarify End of track #635

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martinduke
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Fixes #505.

@martinduke martinduke requested a review from ianswett December 3, 2024 20:53
draft-ietf-moq-transport.md Outdated Show resolved Hide resolved
@ianswett ianswett changed the title End of track Clarify End of track Dec 10, 2024
@ianswett ianswett added the Object Model Relating to the properties of Tracks, Groups and Object label Dec 10, 2024
Comment on lines 2122 to 2126
* 0x4 := Indicates end of Track. GroupID is one greater than the largest group
produced in this track and the ObjectId is zero. An object with this
status that has a Group ID less than or equal to any other Group ID, or
an Object ID other than zero, is a protocol error, and the receiver
MUST terminate the session. This SHOULD be cached.
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Individual Comment:

The new formulation of END_OF_TRACK always has to be sent in it's own subgroup/stream, because it's in a new group. I think the intention behind END_OF_TRACK_AND_GROUP was to prevent this.

  1. Should we specify subgroup 0 for END_OF_TRACK or just let it be whatever?
  2. Can we add back END_OF_TRACK_AND_GROUP (0x4) with group ID=largest Group and objectID = largest Object +1, and move END_OF_TRACK to (0x5)

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ID of EndOfTrackObjects
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