unitymidi.h

This is a sample of unity3D. For PlugIns, this source demonstrates a method.

#pragma once

#include <string>
#include <list>
#include <CoreMidi/CoreMidi.h>

struct MidiMessage
{
	char command;
	char data0;
	char data1;
	MIDIEndpointRef  endpoint;
};

extern "C"
{

// Starts receiving on all midi ports
// Returns true if successful
int StartReceiving ();

// Stops receiving on all midi ports
void StopReceiving ();

// Fetches the next queued midimessage for the device
// Returns 0 if no message could be extracted, meaning that no midi messages are left to process.
int PopMidiMessage (MidiMessage* message);

// Returns the name of the device from the midi endpoint.
// The Midi endpoint is stored in the midi message so that the C# side can ask for the device name,
// the midi message is coming from.
const char* GetMidiDeviceName (MIDIEndpointRef endPoint);

}


//**** Private interface ****//

// ReceiveMidiMessage is the callback function we register with CoreMidi.
// The callback simply stores all incoming messages in a buffer.
// The C# side then pops all midi messages in the buffer.
// This function is called in another thread so we should use mutexes when accessing the message buffer
void ReceiveMidiMessage (const MIDIPacketList *pktlist, void *refCon, void *connRefCon);

void LockMutex ();
void UnlockMutex ();