[Bug 20901] contiguous splice/append without knowing media segment internal timestamps

https://www.w3.org/Bugs/Public/show_bug.cgi?id=20901

Adrian Bateman [MSFT] <adrianba@microsoft.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |adrianba@microsoft.com
         Resolution|FIXED                       |---

--- Comment #2 from Adrian Bateman [MSFT] <adrianba@microsoft.com> ---
I'm reopening this bug based on the discussion on the call:
http://www.w3.org/2013/04/09-html-media-minutes.html#item04

The result of the change to fix this bug is that out-of-order appends are
prohibited without calling abort(). We've observed that this results in needing
to commonly call abort before each fragment is appended, which is unnecessary
for some formats.

It seems like a solution to the discontinuity issue ought to be needed only
when using a format that has this characteristic. Prototyping support for this
feature broke all our tests for ISO BMFF.

We don't have a concrete proposal for how to solve this but wonder if something
can be added to the appendXXX() methods so that applications using formats that
need to deal with discontinuity can indicate whether the append is a
continuation. For formats that contain timestamp data, this should not be
needed.

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Received on Tuesday, 23 April 2013 17:59:54 UTC