Last active
October 1, 2024 22:41
-
-
Save analogcode/fa097afb59ee57ccd29e59dfb2526977 to your computer and use it in GitHub Desktop.
Handling AudioBus MIDI Input & State Saving
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // ********************************************************** | |
| // MARK: - AudioBus MIDI Input | |
| // ********************************************************** | |
| extension ParentViewController { | |
| func setupAudioBusInput() { | |
| midiInput = ABMIDIReceiverPort(name: "FM Player MIDI In", title: "FM Player MIDI In") { (port, midiPacketListPointer) in | |
| let events = AKMIDIEvent.midiEventsFrom(packetListPointer: midiPacketListPointer) | |
| for event in events { | |
| guard event.channel == self.midiChannelIn || self.omniMode else { return } | |
| if event.status == AKMIDIStatus.noteOn { | |
| if event.internalData[2] == 0 { | |
| self.conductor.stopNote(note: event.noteNumber!, channel: event.channel!) | |
| } else { | |
| self.conductor.playNote(note: event.noteNumber!, velocity: event.internalData[2], channel: event.channel!) | |
| } | |
| } | |
| if event.status == AKMIDIStatus.noteOff { | |
| guard event.channel == self.midiChannelIn || self.omniMode else { return } | |
| self.conductor.stopNote(note: event.noteNumber!, channel: event.channel!) | |
| } | |
| if event.status == AKMIDIStatus.pitchWheel { | |
| guard event.channel == self.midiChannelIn || self.omniMode else { return } | |
| let x = MIDIWord(event.internalData[1]) | |
| let y = MIDIWord(event.internalData[2]) << 7 | |
| self.receivedMIDIPitchWheel(y+x, channel: event.channel!) | |
| } | |
| if event.status == AKMIDIStatus.programChange { | |
| guard event.channel == self.midiChannelIn || self.omniMode else { return } | |
| self.receivedMIDIProgramChange(event.data1, channel: event.channel!) | |
| } | |
| if event.status == AKMIDIStatus.controllerChange { | |
| guard event.channel == self.midiChannelIn || self.omniMode else { return } | |
| self.receivedMIDIController(event.data1, value: event.data2, channel: event.channel!) | |
| } | |
| } | |
| } | |
| Audiobus.client?.controller.addMIDIReceiverPort(midiInput) | |
| Audiobus.client?.controller.stateIODelegate = self | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment