Instance Property

outputDataSources

An array of available output data sources for the current audio route.

Declaration

var outputDataSources: [AVAudioSessionDataSourceDescription]? { get }

Discussion

An array of AVAudioSessionDataSourceDescription objects representing available output sources, or nil if switching between multiple output sources is not currently possible. This feature is supported only on certain USB accessories.

You can observe changes to the value of this property by using Key-value observing.

See Also

Working with Audio Routes

var currentRoute: AVAudioSessionRouteDescription

An object describing the current audio input and output route.

var isInputAvailable: Bool

A Boolean value indicating whether an audio input path is available.

var availableInputs: [AVAudioSessionPortDescription]?

An array of input ports available for routing.

var preferredInput: AVAudioSessionPortDescription?

The preferred input port for audio routing.

func setPreferredInput(AVAudioSessionPortDescription?)

Sets the preferred input port for audio routing.

var inputDataSources: [AVAudioSessionDataSourceDescription]?

An array of available data sources for the audio session’s current input port.

var inputDataSource: AVAudioSessionDataSourceDescription?

The currently selected input data source.

func setInputDataSource(AVAudioSessionDataSourceDescription?)

Selects a data source for the audio session’s current input port.

var outputDataSource: AVAudioSessionDataSourceDescription?

The currently selected output data source.

func setOutputDataSource(AVAudioSessionDataSourceDescription?)

Sets the output data source for an audio session.

func overrideOutputAudioPort(AVAudioSession.PortOverride)

Temporarily changes the current audio route.