m15814 Proposal to clarify the scope of the brands "isom" and "iso2"
Yes, you are right. Brands isom, iso2, avc1, and mp71 are effectively defined in 6.3 and Annex E. We should move the definitions in 6.3 into Annex E, with a forward pointer. We should also remove the text “this amended version” as it is (at best) ambiguous.
Editors to include in a new DCOR.
m15815 Comment on the change of the 'ctts' box
It’s true that using signed offsets would break compatibility (hence the change to version number). We should make it clear that you should use signed offsets (version 1) only if absolutely needed, for maximum compatibility, and use unsigned offsets and edit lists if possible. It should also be clear that the new ctts box is only under the scope of a new iso4 (?) brand, so that readers get advance warning.
There should also be text in the annex on using the file format, discussing this question.
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