Definition
Encrypted Media Extensions defines MediaKeySystemConfiguration
dictionary MediaKeySystemConfiguration {
DOMString label = "";
sequence<DOMString> initDataTypes = [];
sequence<MediaKeySystemMediaCapability> audioCapabilities = [];
sequence<MediaKeySystemMediaCapability> videoCapabilities = [];
MediaKeysRequirement distinctiveIdentifier = "optional";
MediaKeysRequirement persistentState = "optional";
sequence<DOMString> sessionTypes;
};