LGTM1 On Tuesday, July 29, 2025 at 3:16:04 PM UTC+1 Olga Sharonova wrote:
> Hi Dan, > > > *> Will this feature be supported on all six Blink platforms (Windows, > Mac, Linux, ChromeOS, Android, and Android WebView)?* > > No > > My understanding is that this has to be "No" because getDisplayMedia is > not supported on all platforms, but can you confirm it will ship everywhere > that getDisplayMedia is supported? > > > It will be supported on Windows and Mac, and won't be supported on CromeOS > and Linux - due to those platforms not providing the required functionality > at this time. > > > > *> Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > > No > > I get that there will be limitations about how effectively this can be > tested in a WPT, but would it make sense to add some basic checks that the > feature is supported? > suppressLocalAudioPlayback seems kind of similar and I see there are a > couple tests for that at > https://github.com/web-platform-tests/wpt/blob/6ef3efe286a2b4bd5f32e5e529d044be12db1347/screen-capture/getdisplaymedia.https.html#L237 > . > > > Thank you, this is a good point. Added new tests here > https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/web_tests/external/wpt/screen-capture/getdisplaymedia-restrictOwnAudio.https.html > . > > Olga > > > > On Monday, July 21, 2025 at 1:02:22 AM UTC-7 Chromestatus wrote: > > Contact emails brand...@google.com > > Explainer > https://github.com/guidou/mediacapture-screen-share/blob/gh-pages/explainer-restrictOwnAudio.md > > > Specification https://www.w3.org/TR/screen-capture/#dfn-restrictownaudio > > Summary > > restrictOwnAudio is a captured display surfaces constrainable property. > This constrainable property changes the behavior of system audio in a > captured display surface. The restrictOwnAudio constraint will only have an > effect if the captured display surface inherently includes system audio; > otherwise, it will have no impact. By default, when system audio is > captured, it includes all audio played out by the system on audio output > devices. When restrictOwnAudio is enabled, the captured system audio will > be filtered to exclude audio originating from the document that performed > getDisplayMedia. The restrictOwnAudio constraint allows for cleaner screen > recordings for some use cases. Without it, if the capturing web page itself > is playing audio (e.g. a video embedded on the on the recording page), that > audio would be included in the capture. This could lead to an undesirable > echo or interfere with the intended audio sources from other tabs or > applications. The restrictOwnAudio constrainable property is described in > the specification. > https://www.w3.org/TR/screen-capture/#dfn-restrictownaudio > > > Blink component Blink>GetDisplayMedia > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EGetDisplayMedia%22> > > > TAG review https://github.com/w3ctag/design-reviews/issues/1109 > > TAG review status Issues addressed > > Risks > > > Interoperability and Compatibility > > None > > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/1244) This has been > part of the spec for a long time, which has consensus among all major > browser vendors. > > *WebKit*: No signal ( > https://github.com/WebKit/standards-positions/issues/511) This has been > part of the spec for a long time, which has consensus among all major > browser vendors. > > *Web developers*: No signals > > *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? > > None > > > Debuggability > > None > > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)? No > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> > ? No > > Flag name on about://flags N/A > > Finch feature name RestrictOwnAudio > > Rollout plan Will ship enabled for all users > > Requires code in //chrome? False > > Adoption expectation Feature is used by specific partner(s) to provide > functionality within 12 months of launch in Chrome. > > Estimated milestones Shipping on desktop 140 Shipping on Android 140 Shipping > on WebView 140 > > 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). > None > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5128140732760064?gate=5969936572481536 > > Links to previous Intent discussions Intent to Prototype: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6830541c.170a0220.2aa17e.1583.GAE%40google.com > > > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com>. > > -- 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+unsubscr...@chromium.org. 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