+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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