Kindly ping again. Thanks! On Fri, Jun 25, 2021 at 9:49 AM Xiaohan Wang (王消寒) <xhw...@chromium.org> wrote:
> Kindly ping! I'd like to enable related features in Chromium for > experimentation, and a clear signal here would be really helpful. Thanks! > > On Tue, Jun 15, 2021 at 2:35 PM Xiaohan Wang (王消寒) <xhw...@chromium.org> > wrote: > >> +Jer >> >> Kindly ping! Thanks! >> >> >> >> On Tue, Jun 8, 2021 at 11:36 AM Xiaohan Wang (王消寒) <xhw...@chromium.org> >> wrote: >> >>> This is a request for WebKit's position on the "EME MediaKeySession >>> Closed Reason" proposal: >>> >>> *Links* >>> >>> - W3C EME spec issue/explainer: >>> https://github.com/w3c/encrypted-media/issues/473 >>> - W3C EME spec Pull Request: >>> https://github.com/w3c/encrypted-media/pull/487 >>> - Previous Media Working Group meeting discussion on this topic >>> (with Jer Noble): >>> https://lists.w3.org/Archives/Public/public-media-wg/2020Sep/0004.html >>> >>> Summary >>> >>> A MediaKeySessionClosedReason is proposed to indicate the reason for EME >>> MediaKeySession closure, and the `closed` attribute would return a >>> `Promise<MediaKeySessionClosedReason>` instead of the current >>> `Promise<void>`. >>> >>> Motivation >>> >>> The current EME spec says "the CDM may close a session at any point, >>> such as when the session is no longer needed or when system resources are >>> lost". However, there's no way to specify the exact reason for session >>> closure. In some cases, this is part of normal user flow, e.g. user close >>> laptop lid to put the device into sleep mode, where the player should >>> resume playback. In some other cases, this is due to some unrecoverable >>> fatal error. >>> >>> This proposal updates the `closed` attribute on MediaKeySession to >>> provide a MediaKeySessionClosedReason so that the JavaScript player can >>> handle session closure differently based on the reasons. >>> >>> *Contact email* >>> xhwang at chromium.org >>> >>> Looking forward to your feedback! >>> >>> Best, >>> Xiaohan >>> >>
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