CMIOExtensionStreamProperties An object that describes the properties of an extension stream. Declarationclass CMIOExtensionStreamProperties TopicsCreating Stream Propertiesinit(dictionary:)Configuring Sink PropertiessinkBufferQueueSizesinkBuffersRequiredForStartupsinkBufferUnderrunCountsinkEndOfDataConfiguring Source PropertiesactiveFormatIndexframeDurationmaxFrameDurationManaging Property StatepropertiesDictionarysetPropertyState(_:forProperty:) RelationshipsInherits FromNSObjectConforms ToCVarArgCustomDebugStringConvertibleCustomStringConvertibleEquatableHashableNSObjectProtocol See AlsoStreamsCMIOExtensionStreamCMIOExtensionStreamSourceCMIOExtensionClient