This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The EncryptedMediaExtenstions 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
HTMLMediaElementcan 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 | Working Draft | Initial definition |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support |
35.0 (prefixed old version; Clear Key and Widevine) 42.0 |
38.0 (38.0) (Primetime (Windows-only) and Clear Key; MP4 only) |
11 (Windows 8.1+ only; prefixed old version; PlayReady) | 31 (Clear Key and Widevine) |
7.0 (prefixed old version of API without matching MSE support; FairPlay Streaming) 8.0 (prefixed and usable with MSE) |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 43.0 | ? | ? | ? | ? | ? | 42.0 |