/// <summary>
/// The input callback for midiOutOpen.
/// </summary>
private void InputCallback(Win32API.HMIDIIN hMidiIn, Win32API.MidiInMessage wMsg,
UIntPtr dwInstance, UIntPtr dwParam1, UIntPtr dwParam2)
{
if (wMsg == Win32API.MidiInMessage.MIM_DATA)
{
var msg = MidiMessage.FromShortMessage((uint)dwParam1);
if (msg != null)
{
Receive(msg);
}
}
}
/// <summary>
/// The input callback for midiOutOpen.
/// </summary>
private void InputCallback(Win32API.HMIDIIN hMidiIn, Win32API.MidiInMessage wMsg,
UIntPtr dwInstance, UIntPtr dwParam1, UIntPtr dwParam2)
{
// Package up the callback data and place onto a queue to be processed on another thread.
// This allows the callback thread to return immediately and avoids the possibility of the callback thread
// performing any unsafe operations, such as raising an event that might ultimately result in calling back
// into the midi device on that same thread (which is not thread safe and will likely cause a deadlock).
MidiInCallbackData cbData = new MidiInCallbackData();
cbData.hMidiIn = hMidiIn;
cbData.wMsg = wMsg;
cbData.dwInstance = dwInstance;
cbData.dwParam1 = dwParam1;
cbData.dwParam2 = dwParam2;
_msgQueue.Add(cbData);
}
/// <summary>
/// The input callback for midiOutOpen.
/// </summary>
private void InputCallback(Win32API.HMIDIIN hMidiIn, Win32API.MidiInMessage wMsg,
UIntPtr dwInstance, UIntPtr dwParam1, UIntPtr dwParam2)
{
isInsideInputHandler = true;
try
{
if (wMsg == Win32API.MidiInMessage.MIM_DATA)
{
Channel channel;
Pitch pitch;
int velocity;
int value;
UInt32 win32Timestamp;
if (ShortMsg.IsNoteOn(dwParam1, dwParam2))
{
if (NoteOn != null)
{
ShortMsg.DecodeNoteOn(dwParam1, dwParam2, out channel, out pitch,
out velocity, out win32Timestamp);
NoteOn(new NoteOnMessage(this, channel, pitch, velocity,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsNoteOff(dwParam1, dwParam2))
{
if (NoteOff != null)
{
ShortMsg.DecodeNoteOff(dwParam1, dwParam2, out channel, out pitch,
out velocity, out win32Timestamp);
NoteOff(new NoteOffMessage(this, channel, pitch, velocity,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsControlChange(dwParam1, dwParam2))
{
if (ControlChange != null)
{
Control control;
ShortMsg.DecodeControlChange(dwParam1, dwParam2, out channel,
out control, out value, out win32Timestamp);
ControlChange(new ControlChangeMessage(this, channel, control, value,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsProgramChange(dwParam1, dwParam2))
{
if (ProgramChange != null)
{
Instrument instrument;
ShortMsg.DecodeProgramChange(dwParam1, dwParam2, out channel,
out instrument, out win32Timestamp);
ProgramChange(new ProgramChangeMessage(this, channel, instrument,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsPitchBend(dwParam1, dwParam2))
{
if (PitchBend != null)
{
ShortMsg.DecodePitchBend(dwParam1, dwParam2, out channel,
out value, out win32Timestamp);
PitchBend(new PitchBendMessage(this, channel, value,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else
{
// Unsupported messages are ignored.
}
}
#region SysEx
else if (wMsg == Win32API.MidiInMessage.MIM_LONGDATA)
{
if (LongMsg.IsSysEx(dwParam1, dwParam2))
{
if (SysEx != null)
{
byte[] data;
uint win32Timestamp;
LongMsg.DecodeSysEx(dwParam1, dwParam2, out data, out win32Timestamp);
if (data.Length != 0)
{
SysEx(new SysExMessage(this, data, clock == null ? win32Timestamp / 1000f : clock.Time));
}
if (isClosing)
{
//buffers no longer needed
DestroyLongMsgBuffer(dwParam1);
}
else
{
//prepare the buffer for the next message
RecycleLongMsgBuffer(dwParam1);
}
}
}
}
// The rest of these are just for long message testing
else if (wMsg == Win32API.MidiInMessage.MIM_MOREDATA)
{
SysEx(new SysExMessage(this, new byte[] { 0x13 }, 13));
}
else if (wMsg == Win32API.MidiInMessage.MIM_OPEN)
{
//SysEx(new SysExMessage(this, new byte[] { 0x01 }, 1));
}
else if (wMsg == Win32API.MidiInMessage.MIM_CLOSE)
{
//SysEx(new SysExMessage(this, new byte[] { 0x02 }, 2));
}
else if (wMsg == Win32API.MidiInMessage.MIM_ERROR)
{
SysEx(new SysExMessage(this, new byte[] { 0x03 }, 3));
}
else if (wMsg == Win32API.MidiInMessage.MIM_LONGERROR)
{
SysEx(new SysExMessage(this, new byte[] { 0x04 }, 4));
}
else
{
SysEx(new SysExMessage(this, new byte[] { 0x05 }, 5));
}
#endregion
}
finally
{
isInsideInputHandler = false;
}
}
/// <summary>
/// The input callback for midiOutOpen.
/// </summary>
private void InputCallback(Win32API.HMIDIIN hMidiIn, Win32API.MidiInMessage wMsg,
UIntPtr dwInstance, UIntPtr dwParam1, UIntPtr dwParam2)
{
isInsideInputHandler = true;
try
{
if (wMsg == Win32API.MidiInMessage.MIM_DATA)
{
Channel channel;
Pitch pitch;
int velocity;
Control control;
int value;
Instrument instrument;
UInt32 win32Timestamp;
if (RawMessage != null)
{
RawMessage((uint)dwParam1, (uint )dwParam2);
}
if (ShortMsg.IsNoteOn(dwParam1, dwParam2))
{
if (NoteOn != null)
{
ShortMsg.DecodeNoteOn(dwParam1, dwParam2, out channel, out pitch,
out velocity, out win32Timestamp);
NoteOn(new NoteOnMessage(this, channel, pitch, velocity,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsNoteOff(dwParam1, dwParam2))
{
if (NoteOff != null)
{
ShortMsg.DecodeNoteOff(dwParam1, dwParam2, out channel, out pitch,
out velocity, out win32Timestamp);
NoteOff(new NoteOffMessage(this, channel, pitch, velocity,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsControlChange(dwParam1, dwParam2))
{
if (ControlChange != null)
{
ShortMsg.DecodeControlChange(dwParam1, dwParam2, out channel,
out control, out value, out win32Timestamp);
ControlChange(new ControlChangeMessage(this, channel, control, value,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsProgramChange(dwParam1, dwParam2))
{
if (ProgramChange != null)
{
ShortMsg.DecodeProgramChange(dwParam1, dwParam2, out channel,
out instrument, out win32Timestamp);
ProgramChange(new ProgramChangeMessage(this, channel, instrument,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else if (ShortMsg.IsPitchBend(dwParam1, dwParam2))
{
if (PitchBend != null)
{
ShortMsg.DecodePitchBend(dwParam1, dwParam2, out channel,
out value, out win32Timestamp);
PitchBend(new PitchBendMessage(this, channel, value,
clock == null ? win32Timestamp / 1000f : clock.Time));
}
}
else
{
// Unsupported messages are ignored.
}
}
}
finally
{
isInsideInputHandler = false;
}
}
