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https://www.w3.org/TR/encrypted-media/#mediakeysystemconfiguration-dictionary

Properties

audioCapabilities?

optional audioCapabilities: MediaKeySystemMediaCapability[] A list of supported audio type and capability pairs. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-audiocapabilities.

distinctiveIdentifier?

optional distinctiveIdentifier: MediaKeysRequirement Defaults to “optional”. Whether use of a Distinctive Identifier(s) is required. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-distinctiveidentifier.

initDataTypes?

optional initDataTypes: string[] A list of supported Initialization Data Type names. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-initdatatypes.

label?

optional label: string An optional label that is preserved in the MediaKeySystemConfiguration returned from the getConfiguration() method of MediaKeySystemAccess. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-label.

persistentState?

optional persistentState: MediaKeysRequirement Whether the ability to persist state is required. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-persistentstate.

sessionTypes?

optional sessionTypes: MediaKeySessionType[] A list of MediaKeySessionTypes that must be supported For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-sessiontypes.

videoCapabilities?

optional videoCapabilities: MediaKeySystemMediaCapability[] A list of supported video type and capability pairs. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-videocapabilities.
Last modified on February 25, 2026