Web/API/Encrypted Media Extensions API

This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.

The Encrypted Media Extensions API provides interfaces for controlling the playback of content which is subject to a digital restrictions management scheme.

Interfaces

MediaKeyMessageEvent

Contains the content and related data when the content decryption module (CDM) generates a message for the session.

MediaKeys

Represents a set of keys that an associated HTMLMediaElement can use for decryption of media data during playback.

MediaKeySession

Represents a context for message exchange with a content decryption module (CDM).

MediaKeyStatusMap

Is a read-only map of media key statuses by key IDs. 

MediaKeySystemAccess

Provides access to a Key System for decryption and/or a content protection provider.

MediaKeySystemConfiguration

Provides configuration information about the media key system.

Specifications

Specification	Status	Comment
Encrypted Media Extensions	Recommendation	Initial definition

Browser compatibility

Navigator.requestMediaKeySystemAccess()

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
requestMediaKeySystemAccess	Chrome Full support 42 Notes' Full support 42 Notes' Notes' The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string. Notes' The function does not exist in insecure contexts. This was not enforced until Chrome 58.	Edge Full support 13	Firefox Full support 38 Notes' Full support 38 Notes' Notes' Starting in Firefox 55, if neither audioCapabilities nor videoCapabilities is specified in supportedConfigurations, a warning is output to the web console. Notes' In addition, starting in Firefox 55, if in supportedConfigurations, either audioCapabilities's or videoCapabilities's contentType value doesn't specify a "codecs" substring to define allowed codecs within the media wrapper, a warning is output to the web console. See note below table for example and correction. Notes' In the future, if neither audioCapabilities nor videoCapabilities is specified in the supportedConfigurations, a NotSupported exception will be thrown.	IE No support No	Opera Full support 29 Notes' Full support 29 Notes' Notes' The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string. Notes' The function does not exist in insecure contexts. This was not enforced until Opera 45.	Safari Full support 13.1	WebView Android Full support 43 Notes' Full support 43 Notes' Notes' The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string. Notes' The function does not exist in insecure contexts. This was not enforced until version 58.	Chrome Android Full support 42 Notes' Full support 42 Notes' Notes' The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string. Notes' The function does not exist in insecure contexts. This was not enforced until Chrome 58.	Firefox Android Full support 38 Notes' Full support 38 Notes' Notes' Starting in Firefox 55, if neither audioCapabilities nor videoCapabilities is specified in supportedConfigurations, a warning is output to the web console. Notes' In addition, starting in Firefox 55, if in supportedConfigurations, either audioCapabilities's or videoCapabilities's contentType value doesn't specify a "codecs" substring to define allowed codecs within the media wrapper, a warning is output to the web console. See note below table for example and correction. Notes' In the future, if neither audioCapabilities nor videoCapabilities is specified in the supportedConfigurations, a NotSupported exception will be thrown.	Opera Android Full support 29 Notes' Full support 29 Notes' Notes' The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string. Notes' The function does not exist in insecure contexts. This was not enforced until Opera 45.	Safari iOS Full support 13.4	Samsung Internet Android Full support 4.0 Notes' Full support 4.0 Notes' Notes' The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string. Notes' The function does not exist in insecure contexts. This was not enforced until Samsung Internet 7.0.

Legend

Full support  

Full support

No support  

No support

See implementation notes.'

See implementation notes.

Encrypted Media Extensions API by Mozilla Contributors is licensed under CC-BY-SA 2.5.