[Bug 26924] New: [MSE] Default Track Language

https://www.w3.org/Bugs/Public/show_bug.cgi?id=26924

            Bug ID: 26924
           Summary: [MSE] Default Track Language
           Product: HTML WG
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
          Assignee: adrianba@microsoft.com
          Reporter: cyril.concolato@telecom-paristech.fr
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

The spec says:
"If audio language equals an empty string then run the default track language
algorithm with byteStreamTrackID set to audio byte stream track ID and type set
to "audio" and assign the value returned by the algorithm to audio language."

The default track language information is used only if the language in the
initialization segment is the empty string however BCP-47 allows the value
'und':

"The 'und' (Undetermined) primary language subtag identifies linguistic content
whose language is not determined."

Change the text above to:
"If audio language equals an empty string or the 'und' BCP-47 value, then run
the default track language algorithm with byteStreamTrackID set to audio byte
stream track ID and type set to "audio" and assign the value returned by the
algorithm to audio language."

The same is applicable for video or text tracks.

PS: Don't know what to do with other weird BCP-47 tags: 'mul', 'mis', 'zxx' ...

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Received on Monday, 29 September 2014 09:12:26 UTC