The MediaKeySystemConfiguration.audioCapabilities read-only property returns an array of supported audio type and capability pairs.

API Audio audio EncryptedMediaExtensions initDataTypes Media MediaKeySystemConfiguration NeedsExample Property Reference

The MediaKeySystemConfiguration.videoCapabilities read-only property returns an array of supported video type and capability pairs.

API EncryptedMediaExtensions initDataTypes Media MediaKeySystemConfiguration NeedsExample Property Reference Video

The MediaKeySystemConfiguration.initDataTypes read-only property returns a list of supported initialization data type names. An initialization data type is a string indicating the format of the initialization data.

API Audio audio EncryptedMediaExtensions initDataTypes Media MediaKeySystemConfiguration NeedsExample Property Reference Video