[Bug 15620] New: cue text parsing rules on kind="metadata" vtt files

https://www.w3.org/Bugs/Public/show_bug.cgi?id=15620

           Summary: cue text parsing rules on kind="metadata" vtt files
           Product: TextTracks CG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: WebVTT
        AssignedTo: ian@hixie.ch
        ReportedBy: silviapfeiffer1@gmail.com
         QAContact: dave.null@w3.org
                CC: mike@w3.org, public-texttracks@w3.org


The WebVTT specification in its current format requires a WebVTT cue text
parser to generate a tree of WebVTT node objects. In the case of WebVTT files
that contain kind="metadata" data such parsing is not appropriate and the
parser should not be required to build the VTT node tree. We don't currently
offer a means in the WebVTT spec to obtain the original unparsed cue text.

Since WebVTT file should be usable independent of whether they are linked from
a HTML <track> element or associated with a video through some other means, it
would be best to have the @kind information inside the VTT file itself. For
example if somebody wants to use a metadata track with JSON, it's not
appropriate that the parser create a node tree. We want authors to be able to
create cue text for kind="metadata" WebVTT files without having to escape their
custom content.

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Received on Thursday, 19 January 2012 04:34:40 UTC