[Bug 22338] New: Arbitrary changing of tracks

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22338

            Bug ID: 22338
           Summary: Arbitrary changing of tracks
    Classification: Unclassified
           Product: WebRTC Working Group
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Capture and Streams
          Assignee: public-media-capture@w3.org
          Reporter: martin.thomson@skype.net
                CC: public-media-capture@w3.org

The spec permits a user or user agent to switch between tracks at any time:

Unless and until a new set of constraints is provided, the user agent MAY
change its choice of track at any point, provided that 1) the new choice does
not violate given user permissions, and 2) it notifies the application code by
raising an event.

The event is undefined, but that's not the concern.  As a user, I don't want
this to happen.  Therefore, as an application developer, I don't want this to
happen.  If this is possible (it sounds like a bad idea to me), there needs to
be a way to prevent it from happening.

sourceId constraints are not sufficient.

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Received on Wednesday, 12 June 2013 16:53:11 UTC