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[Bug 20689] New: Specify how CDM should indicate successful completion with no message for server

From: <bugzilla@jessica.w3.org>
Date: Wed, 16 Jan 2013 23:26:33 +0000
To: public-html-media@w3.org
Message-ID: <bug-20689-5436@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20689

            Bug ID: 20689
           Summary: Specify how CDM should indicate successful completion
                    with no message for server
    Classification: Unclassified
           Product: HTML WG
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Encrypted Media Extensions
          Assignee: adrianba@microsoft.com
          Reporter: ddorwin@google.com
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

Some key systems may wish to indicate "the CDM did what the app asked but has
nothing to send to the server". This may also be an indication that a
MediaKeySession has been initialized and is ready for use.

The keyadded event currently serves this purpose in a specific case. We could
generalize it (option #3 in bug 20688).

Otherwise, we may want to define a way to indicate "the CDM did what the app
asked but has nothing to send to the server". If not keyadded (or its
successor), keymessage along with an "empty" message attribute makes sense.

We would then need to decide whether "empty" is an empty array or null. The
former seems less likely to cause problems with apps that don't consider this
case.

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Received on Wednesday, 16 January 2013 23:26:34 GMT

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