transportStateBlock
A callback to the host for transport state information.
Declaration
var transportStateBlock: AUHostTransportStateBlock? { get set }Discussion
An audio unit accessing this property should cache it in realtime-safe storage before beginning to render.
This version 3 property is bridged to the version 2 HostCallback_GetTransportState and HostCallback_GetTransportState2 callback members in the kAudioUnitProperty_HostCallbacks API.