Encrypted Media Extensions API

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.

Specifications

Specification Status Comment
Encrypted Media Extensions Recommendation Initial definition

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
Encrypted_Media_Extensions_API
42
["The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.", "The function does not exist in insecure contexts. This was not enforced until Chrome 58."]
13
38
["Starting in Firefox 55, if neither audioCapabilities nor videoCapabilities is specified in supportedConfigurations, a warning is output to the web console.", "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.", "In the future, if neither audioCapabilities nor videoCapabilities is specified in the supportedConfigurations, a NotSupported exception will be thrown."]
No
29
["The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.", "The function does not exist in insecure contexts. This was not enforced until Opera 45."]
13.1
43
["The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.", "The function does not exist in insecure contexts. This was not enforced until version 58."]
42
["The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.", "The function does not exist in insecure contexts. This was not enforced until Chrome 58."]
38
["Starting in Firefox 55, if neither audioCapabilities nor videoCapabilities is specified in supportedConfigurations, a warning is output to the web console.", "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.", "In the future, if neither audioCapabilities nor videoCapabilities is specified in the supportedConfigurations, a NotSupported exception will be thrown."]
29
["The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.", "The function does not exist in insecure contexts. This was not enforced until Opera 45."]
13.4
4.0
["The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.", "The function does not exist in insecure contexts. This was not enforced until Samsung Internet 7.0."]

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https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API