Intent to Ship: audioPreferred capture in getDisplayMedia API

[Chromestatus]

Contact emails

agp...@google.com, gui...@google.com

Explainer

https://github.com/palak8669/mediacapture-screen-share-audio-capture/blob/palak8669-patch-1/audio_selection_explainer.md

Specification

https://w3c.github.io/mediacapture-screen-share/#dom-displaymediastreamoptions-audioselection

Summary

Adds an audioPreference attribute to the DisplayMediaStreamOptions dictionary used in the getDisplayMedia API. This hint allows web applications to signal to the UA that they prefer audio sharing along with video. This helps developers ensure that applications relying on audio capture work seamlessly.

Blink component

Blink>GetDisplayMedia

Web Feature ID

usermedia

Motivation

No information provided

Initial public proposal

No information provided

TAG review

No information provided

TAG review status

Not applicable

Goals for experimentation

None

Risks

Interoperability and Compatibility

No information provided

Gecko: No signal (https://github.com/mozilla/standards-positions/issues/1433) Spec PR was approved by Mozilla https://github.com/w3c/mediacapture-screen-share/pull/332

WebKit: No signal (https://github.com/WebKit/standards-positions/issues/696) Spec PR was approved by WebKit https://github.com/w3c/mediacapture-screen-share/pull/332

Web developers: Positive (https://github.com/w3c/mediacapture-screen-share-extensions/issues/12) Ask for an API to support the targeted use case from developers: https://github.com/w3c/mediacapture-screen-share-extensions/issues/12

Other signals:

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications?

No information provided

Debuggability

No information provided

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?

No
getDisplayMedia API is not supported on Mobile platforms.

Is this feature fully tested by web-platform-tests?

Yes
WPT: https://wpt.fyi/results/screen-capture/getdisplaymedia.https.html other tests: chrome/browser/ui/views/desktop_capture/desktop_media_pane_view_unittest.cc, chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc

Flag name on about://flags

No information provided

Finch feature name

GetDisplayMediaAudioSelection

Rollout plan

Will ship enabled for all users

Requires code in //chrome?

False

Tracking bug

https://issues.chromium.org/issues/535514300

Launch bug

https://launch.corp.google.com/launch/4483832

Estimated milestones

Shipping on desktop	152
DevTrial on desktop	152

Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (e.g. links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (e.g., changing to naming or structure of the API in a non-backward-compatible way).

No information provided

Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/5085785343787008?gate=6159500559122432

This intent message was generated by Chrome Platform Status.

[Alex Russell]

LGTM1

[Chris Harrelson]

LGTM2

--
You received this message because you are subscribed to the Google Groups "blink-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+...@chromium.org.
To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/f965d7d7-3602-450c-a8cc-35f97913f7fen%40chromium.org.

[Vladimir Levin]

LGTM3

To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscribe@chromium.org.