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Encrypted Media Extensions API

The EncryptedMediaExtenstions API provides interfaces for controlling the playback of content which is subject to a digital restrictions management scheme.
API EncryptedMediaExtensions NeedsContent Reference Référence


The MediaKeyMessageEvent.message read-only property returns an ArrayBuffer with a message from the content decryption module. Messages vary by key system.
API EncryptedMediaExtensions Experimental MediaKeyMessageEvent message Property Reference


The MediaKeyMessageEvent.messageType read-only property indicates the type of message. It may be one of license-request, license-renewal, license-renewal, or individualization-request.
API EncryptedMediaExtensions Experimental MediaKeyMessageEvent messageType Property Reference


The MediaKeySystemConfiguration interface EncryptedMediaExtensions API provides configuration information about the media key system.
API EncryptedMediaExtensions MediaKeySystemConfiguration NeedsContent NeedsExample Reference Référence


The MediaKeys interface of EncryptedMediaExtensions API the represents a set of keys that an associated HTMLMediaElement can use for decryption of media data during playback.
API Audio EncryptedMediaExtensions Interface Media MediaKeys NeedsExample Reference Référence Video


The MediaKeys.createSession() method returns a new MediaKeySession object, which represents a context for message exchange with a content decryption module (CDM).
API createSession EncryptedMediaExtensions Experimental Media MediaKeys Method Reference


The MediaKeys.setServerCertificate() method a Promise to a server certificate to be used to encrypt messages to the license server.
API EncryptedMediaExtensions Experimental Media MediaKeys Method Reference setServerCertificate


The MediaKeySession.close() method notifies that the current media session is no longer needed, and that the content decryption module should release any resources associated with this object and close it. Then, it returns a Promise.
API close EncryptedMediaExtensions Experimental MediaKeySession Method NeedsExample Reference


The MediaKeySession.closed read-only property returns a Promise signaling when a MediaKeySession closes. This promise can only be fulfilled and is never rejected. Closing a session means that licenses and keys associated with it are no longer valid for decrypting media data.
API closed EncryptedMediaExtensions Experimental MediaKeySession NeedsExample Property Reference


The MediaKeySession.expiration read-only property returns the time after which the keys in the current session can no longer be used to decrypt media data, or NaN if no such time exists. This value is determined by the CDM and measured in milliseconds since January 1, 1970, UTC. This value may change during a session lifetime, such as when an action triggers the start of a window.
API EncryptedMediaExtensions Experimental expiration MediaKeySession NeedsExample Property Reference