public bool Close()
{
if (this._device == IntPtr.Zero)
{
return(true);
}
this._closing = true;
bool started = this._started;
this._lastError = Midi.MIDI_InReset(this._device);
if (this._lastError == MIDIError.MIDI_OK)
{
this._started = false;
if (started)
{
this.RaiseMessageReceived(MidiMessageEventType.Stopped, null);
}
}
this._lastError = Midi.MIDI_InClose(this._device);
if (this._lastError == MIDIError.MIDI_OK)
{
this._device = IntPtr.Zero;
}
this._closing = false;
return(this._device == IntPtr.Zero);
}
public bool Send(int shortMessage)
{
if (!this.IsOpened)
{
return(false);
}
this._lastError = Midi.MIDI_OutShortMsg(this._device, shortMessage);
return(this._lastError == MIDIError.MIDI_OK);
}
public bool Disconnect(IntPtr handleFrom)
{
if (this._disposing)
{
return(false);
}
this._lastError = Midi.MIDI_Disconnect(this._device, handleFrom);
return(this._lastError == MIDIError.MIDI_OK);
}
public static MIDI_OUTCAPS GetInfo(int deviceID)
{
MIDI_OUTCAPS midi_OUTCAPS = new MIDI_OUTCAPS();
if (Midi.MIDI_OutGetDevCaps(deviceID, midi_OUTCAPS) == MIDIError.MIDI_OK)
{
return(midi_OUTCAPS);
}
return(null);
}
public static string GetDeviceDescription(int deviceID)
{
MIDI_OUTCAPS midi_OUTCAPS = new MIDI_OUTCAPS();
if (Midi.MIDI_OutGetDevCaps(deviceID, midi_OUTCAPS) == MIDIError.MIDI_OK)
{
return(midi_OUTCAPS.name);
}
return(null);
}
public static MIDIError MIDI_OutOpen(ref IntPtr handle, int deviceID, MIDIOUTPROC proc, IntPtr user)
{
MIDIFlags flags = MIDIFlags.MIDI_CALLBACK_FUNCTION;
if (proc == null)
{
flags = MIDIFlags.MIDI_CALLBACK_NULL;
}
return(Midi.midiOutOpen(ref handle, new IntPtr(deviceID), proc, user, flags));
}
public bool Send(byte status, byte data1, byte data2)
{
if (!this.IsOpened)
{
return(false);
}
MidiShortMessage midiShortMessage = new MidiShortMessage(status, data1, data2, 0, 0L);
this._lastError = Midi.MIDI_OutShortMsg(this._device, midiShortMessage.Message);
return(this._lastError == MIDIError.MIDI_OK);
}
public static MIDIError MIDI_InOpen(ref IntPtr handle, int deviceID, MIDIINPROC proc, IntPtr user, MIDIFlags flags)
{
if (proc == null)
{
flags = MIDIFlags.MIDI_CALLBACK_NULL;
}
else
{
flags |= MIDIFlags.MIDI_CALLBACK_FUNCTION;
}
return(Midi.midiInOpen(ref handle, new IntPtr(deviceID), proc, user, flags));
}
private bool PrepareHeader(bool input, IntPtr handle, IntPtr headerPtr)
{
MIDIError midierror = MIDIError.MIDI_OK;
if (headerPtr != IntPtr.Zero)
{
if (input)
{
midierror = Midi.MIDI_InPrepareHeader(handle, headerPtr);
}
else
{
midierror = Midi.MIDI_OutPrepareHeader(handle, headerPtr);
}
}
if (midierror != MIDIError.MIDI_OK)
{
MIDIHDR midihdr = null;
try
{
midihdr = (MIDIHDR)Marshal.PtrToStructure(headerPtr, typeof(MIDIHDR));
}
catch
{
}
if (midihdr != null)
{
try
{
if (midihdr.data != IntPtr.Zero)
{
Marshal.FreeHGlobal(midihdr.data);
}
}
catch
{
}
midihdr.data = IntPtr.Zero;
try
{
if (headerPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(headerPtr);
}
}
catch
{
}
}
}
return(midierror == MIDIError.MIDI_OK);
}
public bool Send(MidiSysExMessage sysexMessage)
{
if (!this.IsOpened || sysexMessage.IsInput || sysexMessage.Device != this.Device || sysexMessage.IsPrepared)
{
return(false);
}
if (sysexMessage.Prepare(this._user))
{
this._lastError = Midi.MIDI_OutLongMsg(this._device, sysexMessage.MessageAsIntPtr);
return(this._lastError == MIDIError.MIDI_OK);
}
return(false);
}
public bool Close()
{
if (this._device == IntPtr.Zero)
{
return(true);
}
Midi.MIDI_OutReset(this._device);
this._lastError = Midi.MIDI_OutClose(this._device);
if (this._lastError == MIDIError.MIDI_OK)
{
this._device = IntPtr.Zero;
}
return(this._device == IntPtr.Zero);
}
private void UnprepareHeader(bool input, IntPtr handle, IntPtr headerPtr)
{
if (headerPtr == IntPtr.Zero)
{
return;
}
MIDIHDR midihdr = null;
try
{
midihdr = (MIDIHDR)Marshal.PtrToStructure(headerPtr, typeof(MIDIHDR));
}
catch
{
}
if (midihdr != null)
{
try
{
if (input)
{
Midi.MIDI_InUnprepareHeader(handle, headerPtr);
}
else
{
Midi.MIDI_OutUnprepareHeader(handle, headerPtr);
}
}
catch
{
}
try
{
if (midihdr.data != IntPtr.Zero)
{
Marshal.FreeHGlobal(midihdr.data);
}
}
catch
{
}
try
{
Marshal.FreeHGlobal(headerPtr);
}
catch
{
}
}
}
public static string MIDI_GetErrorText(bool input, int errCode)
{
StringBuilder stringBuilder = new StringBuilder(128);
if (input)
{
Midi.midiInGetErrorText(errCode, stringBuilder, stringBuilder.Capacity);
}
else
{
Midi.midiOutGetErrorText(errCode, stringBuilder, stringBuilder.Capacity);
}
return(stringBuilder.ToString());
}
public static int[] GetMidiPorts()
{
List <int> list = new List <int>();
int num = Midi.MIDI_InGetNumDevs();
MIDI_INCAPS caps = new MIDI_INCAPS();
for (int i = 0; i < num; i++)
{
if (Midi.MIDI_InGetDevCaps(i, caps) == MIDIError.MIDI_OK)
{
list.Add(i);
}
}
return(list.ToArray());
}
public static int[] GetMidiPorts()
{
List <int> list = new List <int>();
int num = Midi.MIDI_OutGetNumDevs();
MIDI_OUTCAPS midi_OUTCAPS = new MIDI_OUTCAPS();
for (int i = 0; i < num; i++)
{
if (Midi.MIDI_OutGetDevCaps(i, midi_OUTCAPS) == MIDIError.MIDI_OK && midi_OUTCAPS.IsMidiPort)
{
list.Add(i);
}
}
return(list.ToArray());
}
public static string[] GetDeviceDescriptions()
{
List <string> list = new List <string>();
int num = Midi.MIDI_OutGetNumDevs();
MIDI_OUTCAPS midi_OUTCAPS = new MIDI_OUTCAPS();
for (int i = 0; i < num; i++)
{
if (Midi.MIDI_OutGetDevCaps(i, midi_OUTCAPS) == MIDIError.MIDI_OK)
{
list.Add(midi_OUTCAPS.name);
}
}
return(list.ToArray());
}
public bool Open()
{
if (this._disposing)
{
return(false);
}
if (this._device != IntPtr.Zero)
{
return(true);
}
this._lastError = Midi.MIDI_OutOpen(ref this._device, this._deviceID, this._midiOutProc, new IntPtr(this._deviceID));
if (this._lastError != MIDIError.MIDI_OK)
{
this._device = IntPtr.Zero;
}
return(this._device != IntPtr.Zero);
}
public bool Send()
{
if (this._headerPtr == IntPtr.Zero)
{
return(false);
}
MIDIError midierror;
if (this._input)
{
midierror = Midi.MIDI_InAddBuffer(this._device, this._headerPtr);
}
else
{
midierror = Midi.MIDI_OutLongMsg(this._device, this._headerPtr);
}
return(midierror == MIDIError.MIDI_OK);
}
public bool Send(IEnumerable <byte> sysexMessage)
{
if (!this.IsOpened || sysexMessage == null)
{
return(false);
}
MidiSysExMessage midiSysExMessage = new MidiSysExMessage(false, this._device);
if (!midiSysExMessage.CreateBuffer(sysexMessage))
{
return(false);
}
if (midiSysExMessage.Prepare(this._user))
{
this._lastError = Midi.MIDI_OutLongMsg(this._device, midiSysExMessage.MessageAsIntPtr);
return(this._lastError == MIDIError.MIDI_OK);
}
return(false);
}
public bool Stop()
{
if (this._device == IntPtr.Zero)
{
return(true);
}
if (!this._started)
{
return(true);
}
this._closing = true;
this._lastError = Midi.MIDI_InStop(this._device);
if (this._lastError == MIDIError.MIDI_OK)
{
this._started = false;
this.FlushShortMsgStack();
this.RaiseMessageReceived(MidiMessageEventType.Stopped, null);
}
this._closing = false;
return(!this._started);
}
public bool Open()
{
if (this._disposing)
{
return(false);
}
if (this._device != IntPtr.Zero)
{
return(true);
}
this._lastError = Midi.MIDI_InOpen(ref this._device, this._deviceID, this._midiInProc, new IntPtr(this._deviceID), MIDIFlags.MIDI_IO_STATUS);
if (this._lastError != MIDIError.MIDI_OK)
{
this._device = IntPtr.Zero;
}
else
{
this._shortMsgOnStack = null;
}
return(this._device != IntPtr.Zero);
}
public bool Start()
{
if (this._disposing)
{
return(false);
}
if (this._started)
{
return(true);
}
this.AddSysExBuffer();
this.AddSysExBuffer();
this._lastError = Midi.MIDI_InStart(this._device);
if (this._lastError == MIDIError.MIDI_OK)
{
this._started = true;
this.RaiseMessageReceived(MidiMessageEventType.Started, null);
}
else
{
Midi.MIDI_InReset(this._device);
}
return(this._started);
}
public static MIDIError MIDI_InClose(IntPtr handle)
{
return(Midi.midiInClose(handle));
}
public static int GetDeviceCount()
{
return(Midi.MIDI_OutGetNumDevs());
}
public static MIDIError MIDI_InAddBuffer(IntPtr handle, IntPtr headerPtr)
{
return(Midi.midiInAddBuffer(handle, headerPtr, Marshal.SizeOf(typeof(MIDIHDR))));
}
public static MIDIError MIDI_OutUnprepareHeader(IntPtr handle, IntPtr headerPtr)
{
return(Midi.midiOutUnprepareHeader(handle, headerPtr, Marshal.SizeOf(typeof(MIDIHDR))));
}
public static int MIDI_OutMessage(IntPtr handle, MIDIMessage msg, IntPtr param1, IntPtr param2)
{
return(Midi.midiOutMessage(handle, msg, param1, param2));
}
public static int MIDI_InGetNumDevs()
{
return(Midi.midiInGetNumDevs());
}
public static MIDIError MIDI_OutGetDevCaps(int deviceID, MIDI_OUTCAPS caps)
{
return(Midi.midiOutGetDevCaps(new IntPtr(deviceID), caps, Marshal.SizeOf(typeof(MIDI_OUTCAPS))));
}
public static int MIDI_OutGetNumDevs()
{
return(Midi.midiOutGetNumDevs());
}
