requestMediaKeySystemAccessAsync
fun requestMediaKeySystemAccessAsync(keySystem: String, supportedConfigurations: ReadonlyArray<MediaKeySystemConfiguration>): Promise<MediaKeySystemAccess>(source)
The requestMediaKeySystemAccess() method of the Navigator interface returns a Promise which delivers a MediaKeySystemAccess object that can be used to access a particular media key system, which can in turn be used to create keys for decrypting a media stream. Available only in secure contexts.