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[Bug 25092] New: Need a way to inform script that resolution restrictions are applied

From: <bugzilla@jessica.w3.org>
Date: Tue, 18 Mar 2014 15:48:46 +0000
To: public-html-media@w3.org
Message-ID: <bug-25092-5436@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=25092

            Bug ID: 25092
           Summary: Need a way to inform script that resolution
                    restrictions are applied
           Product: HTML WG
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Encrypted Media Extensions
          Assignee: adrianba@microsoft.com
          Reporter: watsonm@netflix.com
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

CDMs may apply resolution restrictions by downscaling content for various
reasons (level of CDM robustness, instructions in licenses, level of output
protection). If the CDM is downscaling the video, and the video is available in
a lower resolution source, then the application may wish to switch to the lower
resolution source to avoid wasted network traffic / battery usage.

Should we consider an event that informs the application that resolution
restrictions are being applied ?

This would specifically be for the case where playback continues with
downscaling. The case where playback fails altogether due to resolution
restrictions is already handled.

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Received on Tuesday, 18 March 2014 15:48:47 UTC

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