[Bug 22329] New: [MSE] TextTrack attributes settable in conflict with the html spec

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22329

            Bug ID: 22329
           Summary: [MSE] TextTrack attributes settable in conflict with
                    the html spec
    Classification: Unclassified
           Product: HTML WG
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
          Assignee: adrianba@microsoft.com
          Reporter: giles@mozilla.com
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

"partial interface TextTrack {
  attribute DOMString kind;
  attribute DOMString language;
}"

The TextTrack interface in the html spec has readonly attributes of the same
name. I think the idea is to use specific constructors as the only way to pass
these in, or have them created by the parser for in-band text tracks and
<track> elements.

Do we need this interface? If it's muxed with the parent media element's source
stream, the in-band text track support should cover it, and if it's external,
the media.AddTextTrack and TextTrack.addCue methods should be sufficient to
implement dynamic subtitles with minimal complexity.

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Received on Tuesday, 11 June 2013 23:02:56 UTC