Require that one of 'audioCapabilities' and 'videoCapabilities' be specified in the configuration passed to navigator.requestMediaKeySystemAccess(), and require that the contentType strings used as part of the entries to 'audioCapabilities' and 'videoCapabilities' include the desired codec as part of the MIME type. This item covers two bugs though only one is listed under the status section:,


Editor's draft

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 58
  • Chrome for Android release 58
  • Chrome for iOS release 58

Consensus & Standardization

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

  • No signal
  • Shipped/Shipping
  • No signal
  • No signals


Search tags

EME, encrypted media,

Last updated on 2021-05-05