kAudioSession_AudioRouteChangeKey_PreviousRouteDescription
Describes the previous audio route.
Declaration
let kAudioSession_AudioRouteChangeKey_PreviousRouteDescription: CFString!Discussion
A CFDictionary object that describes the previous audio route. For specifics on the contents of this dictionary, see kAudioSession_AudioRouteKey_Inputs and kAudioSession_AudioRouteKey_Outputs.
See Also
Constants
kAudioSessionInputRoute_BluetoothHFPkAudioSessionInputRoute_BuiltInMickAudioSessionInputRoute_HeadsetMickAudioSessionInputRoute_LineInkAudioSessionInputRoute_USBAudiokAudioSessionOutputRoute_AirPlaykAudioSessionOutputRoute_BluetoothA2DPkAudioSessionOutputRoute_BluetoothHFPkAudioSessionOutputRoute_BuiltInReceiverkAudioSessionOutputRoute_BuiltInSpeakerkAudioSessionOutputRoute_HDMIkAudioSessionOutputRoute_HeadphoneskAudioSessionOutputRoute_LineOutkAudioSessionOutputRoute_USBAudiokAudioSession_AudioRouteChangeKey_CurrentRouteDescription