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From slides presented in Washington DC: captureStream[UntilEnded] ❖ For a media element (<video>, <audio>), be able to create a media stream from its contents! ❖ Great for web audio! ❖ … also a potential source of WebRTC streams! ❖ captureStream generates media from the source! ❖ captureStreamUntilEnded stops when the stream ends! ❖ Switching sources causes this to end
This seems to have been filed under the wrong component.
This is not a blocker on the Media Capture spec. The proper place to do this is in the HTML5 specification.
Already in Washington DC (I think) we concluded this would be a separate document. There is now a repo created in github: https://github.com/w3c/mediacapture-fromelement (still empty) and the initial Editor's appointed are Martin Thomson and Shijun Sun. I now close this bug as "wontfix" as a) a fix is underway and b) it does not read on the "Media Capture and Streams" document.
Hmm, where should issues for that go then? Rather than closing it, isn't there another component we can use?