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Define tab capture #60
The nonstandard use of getUserMedia for screen capture included the option of capturing from browser tabs. This has proved popular.
The spec should mention that this is a possibility - while tabs can be seen as a special case of "application window", they are mostly perceived as their own thing.
I thought we closed a similar issue on tab sharing as no changes needed for the specification.
Here are the relevant details:
"Consensus from the April VI was for option 2. which requires no change to the specification. See slides here:
@alvestrand are we opening it up again ?
Current document has in "terminology":
A browser display surface is the rendered form of a single document. This is not strictly limited to HTML [HTML5] documents, though the discussion in this document will address some specific concerns with the capture of HTML.
Suggest adding "The UA may choose to display the current document in a browser window, continuing to cast the current document into the same media stream track when the current document changes. This is commonly called tab capture."