Contents

AUMIDIOutputCallback

When called by a host application, gets MIDI data from an audio unit.

Declaration

typealias AUMIDIOutputCallback = (UnsafeMutableRawPointer?, UnsafePointer<AudioTimeStamp>, UInt32, UnsafePointer<MIDIPacketList>) -> OSStatus

Parameters

  • userData:

    Custom data.

  • timeStamp:

  • midiOutNum:

  • pktlist:

Discussion

If you named your callback function MyAUMIDIOutputCallback, you would declare it like this:

See Also

Getting Information from the Host