LGTM2.
On Thu, Mar 27, 2025 at 12:37 AM Chris Harrelson <chris...@chromium.org> wrote: > LGTM1 > > On Tue, Mar 25, 2025 at 1:57 PM Chromestatus < > ad...@cr-status.appspotmail.com> wrote: > >> Contact emails gabrielbr...@microsoft.com, stev...@microsoft.com >> >> Explainer >> https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/AudioContextInterruptedState/explainer.md >> >> Specification >> https://webaudio.github.io/web-audio-api/#dom-audiocontextstate-interrupted >> >> Summary >> >> The current Web Audio API lacks a mechanism for the User Agent (UA) to >> interrupt playback for scenarios such as exclusive audio access (VoIP) or >> when a laptop lid is closed. To address this, we propose adding an >> "interrupted" state to AudioContextState. This new state would allow the UA >> to pause playback in these scenarios and enable web applications to respond >> appropriately. >> >> >> Blink component Blink>WebAudio >> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebAudio%22> >> >> TAG review https://github.com/w3ctag/design-reviews/issues/1069 >> >> TAG review status Pending >> >> Risks >> >> >> Interoperability and Compatibility >> >> When AudioContext.resume() is called for an AudioContext in the "closed" >> state, the returned promise is rejected. With this proposal, the same >> behavior will also happen when AudioContext.resume() is called while the >> AudioContext "interrupted". In this case, a web page that is not aware of >> the existence of the "interrupted" state might imply that the AudioContext >> has been closed. In this situation, application shouldn't rely solely on >> the returned promise resolution outcome and also check the AudioContext >> state. >> >> >> *Gecko*: Positive ( >> https://github.com/mozilla/standards-positions/issues/1083) Mozilla >> helped review and merge this feature into the Web Audio specification >> >> *WebKit*: Positive ( >> https://github.com/WebKit/standards-positions/issues/410) Safari is >> supportive and already has a prototype implemented to support the Audio >> Session API. >> >> *Web developers*: Positive (https://github.com/whatwg/html/issues/10208) >> Even though this feature has not been explicitly asked by web developers, >> it is required to make other in-development browser APIs to work properly >> with Web Audio - e.g. media-playback-while-not-visible permission policy >> and the Audio Session API. >> >> *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? >> >> >> >> Debuggability >> >> None >> >> >> Will this feature be supported on all six Blink platforms (Windows, Mac, >> Linux, ChromeOS, Android, and Android WebView)? Yes >> >> Is this feature fully tested by web-platform-tests >> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >> ? No >> >> This feature cannot be tested by itself because it cannot be used >> directly by web applications. An AudioContext should only transition to the >> "interrupted" state at the user agent's discretion - i.e. there is no >> public web API to interrupt the AudioContext. However, other Web APIs' >> specifications will depend on the "interrupted" state and can have web >> tests that expect the AudioContext to be interrupted in some situations: >> For example: - https://www.w3.org/TR/audio-session/ - >> https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/IframeMediaPause/iframe_media_pausing.md >> >> >> Flag name on about://flags None >> >> Finch feature name AudioContextInterruptedState >> >> Requires code in //chrome? False >> >> Tracking bug https://issues.chromium.org/issues/374805121 >> >> Estimated milestones >> Shipping on desktop 136 >> Shipping on Android 136 >> Shipping on WebView 136 >> >> 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). >> This feature has been added to the Web Audio spec: >> https://webaudio.github.io/web-audio-api/#dom-audiocontextstate-interrupted >> >> Link to entry on the Chrome Platform Status >> https://chromestatus.com/feature/5172068166139904?gate=5204675557851136 >> >> Links to previous Intent discussions Intent to Prototype: >> https://groups.google.com/a/chromium.org/g/blink-dev/c/GgSvU1BZZRU >> >> >> 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. >> To view this discussion visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67e318b0.170a0220.e1a1e.0863.GAE%40google.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67e318b0.170a0220.e1a1e.0863.GAE%40google.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw-LK%3DSkLwrqz%2BU2d6X0WFX0-eusrMr-WwtD9O4QjLedMw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw-LK%3DSkLwrqz%2BU2d6X0WFX0-eusrMr-WwtD9O4QjLedMw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- TAMURA Kent Software Engineer, Google -- 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. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGH7WqF73Z%3DmCvY4%3DvDbUjR_6GHmR4TYUKZdVw9EWRxhLXbG7A%40mail.gmail.com.
