EME persistent-usage-record session

Support a new MediaKeySessionType “persistent-usage-record session”, for which the license and key(s) are not persisted and for which a record of key usage is persisted when the keys available within the session are destroyed.

Motivation

This feature can help content providers to understand how the decryption keys are used for purposes like fraud detection.

Documentation

https://github.com/w3c/encrypted-media/pull/462

Specification

Editor's draft

Status in Chromium

Blink components: Blink>Media

Enabled by default (tracking bug) in:

Chrome for desktop release 86
Chrome for Android release 86
Android WebView release 86

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Firefox: No signal
Edge: Positive
Safari: Shipped/Shipping
Web Developers: Positive

Owner

xhwang@chromium.org

Last updated on 2020-10-28