![]() ![]() Transient activation, return a promise rejectedĪttribute has the value InvalidStateError. If the relevant global object of this does not have Require-Document-Policy: viewport-capture andĭocument-Policy: viewport-capture (TODO: use correct algorithm), Required document policy does not contain If the relevant global object's associated Document's Method is called, the user agent MUST run the following The user agent MUST reject audio-only requests. Stream, or it MAY accept the request by returning both an audio track and a video Request for audio and video by only returning a video track in the resulting Include an audio track in the resulting stream. If the userĪgent knows no audio will be shared for the lifetime of the stream it MUST NOT GetDisplayMedia () with regards to audio+video, the user agent isĪllowed to not return audio even if the audio constraint is present. Include audio from the current viewport in the capture, if available. In the case of audio, the user agent MAY present the end-user with an option to The user agent MUST apply any provided constraints to the produced Prompts the user for permission to live-capture the viewport (current tab). User agent or web extension features like form autofill), or personal preferences (through link purpling), personal details like address or payment info (through ![]() The rendered viewport may expose user information such as browsing history This feature has security implications, and requires a permission prompt. Other origins, content that should remain inaccessible due to the protections offered This preventsĪpplications from using this API to access potentially confidential information from This feature is only available to "cross-origin isolated" documents. Locate it in a picker, by instead clicking a button in their presentation application. Meeting, or a user in a video meeting sharing their presentation without having to This enables use cases such as: recording an ongoing WebRTC video In some cases, tab audio is also captured in the form of an audio That enables the acquisition of the browser viewport (the current tab), in the form This document describes an extension to the Screen Capture API Must disclose the information in accordance withĬonstrainable Properties for Captured Viewport Surfaces Knowledge of a patent which the individual believes contains Made in connection with the deliverables of It is inappropriate to cite this document as other This is a draft document and may be updated, replaced or obsoleted by otherĭocuments at any time. Imply endorsement by W3C and its Members. This document was published by the Web Real-Time Communications Working Group as Publications and the latest revision of this technical report can be found This section describes the status of thisĭocument at the time of its publication. This document defines how a browser viewport can be used as the source ofĪ media stream using getViewportMedia, an extension to the Open with subject line … message topic … ( archives) Participate Mailing list W3C Working Draft 21 June 2022 More details about this document This version: Latest published version: Latest editor's draft: History: Commit history Editors: Elad Alon ( Google)įeedback: GitHub w3c/mediacapture-viewport ![]()
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