Google Hangouts now on Firefox without plugins via WebRTC
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Is anyone else able to get this to work?
WebRTC has been supported for a while in Firefox, and no nightly will make Google serve you with a proper version. It's entirely up to Google.
https://wiki.mozilla.org/Screensharing
https://mozilla.github.io/webrtc-landing/gum_test.html
This is all done with parameters specified to getUserMedia as opposed to Chrome's extension-only "chrome.desktopCapture.chooseDesktopMedia"
As far as I can tell, the reason why screen-sharing is not more widely accessible is because of a security UX issue rather than a technical limitation. Both Firefox and Chrome are can provide you with media stream ID's to use in WebRTC negotiation, they differ mostly in the boundaries required to authorize access.