public static void PlayPiano()
{
Sequencer a = new Sequencer();
using (OutputDevice outDevice = new OutputDevice(0))
{
for (int i = 60; i < 100; i++)
{
ChannelMessageBuilder builder = new ChannelMessageBuilder();
builder.Command = ChannelCommand.NoteOn;
builder.MidiChannel = 14;
builder.Data1 = i;
builder.Data2 = i - 20;
builder.Build();
outDevice.Send(builder.Result);
Thread.Sleep(500);
builder.Command = ChannelCommand.NoteOff;
builder.Data2 = 0;
builder.Build();
outDevice.Send(builder.Result);
}
}
}
/// <summary>
/// Set Midi instrument for all channels
/// </summary>
/// <param name="instrument"></param>
public void SetInstrument(MyMidi.Instrument instrument)
{
try
{
foreach (var c in Enum.GetValues(typeof(MyMidi.Channel)))
{
//outputDevice.SendProgramChange((Midi.Channel)c, instrument);
// Change the patch while playing
int nChannel = (int)c;
int p = (int)instrument;
int v = 0;
ChannelMessageBuilder builder = new ChannelMessageBuilder()
{
Command = ChannelCommand.ProgramChange,
MidiChannel = nChannel,
Data1 = p,
Data2 = v,
};
builder.Build();
outDevice.Send(builder.Result);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/*private void HandleLoadCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
* {
* Timer.text = sequence.GetLength().ToString();
* }*/
private void onChannelMessagePlayed(object sender, Midi.ChannelMessageEventArgs arg)
{
//Debug.Log("ChannelMessagePlayed: " + arg.Message.Command.ToString());
if (OutputToDevice)
{
outDevice.Send(arg.Message);
}
}
void sequencer_Stopped(object sender, StoppedEventArgs e)
{
// send "stop" messages to the sound card
foreach (ChannelMessage message in e.Messages)
{
if (!_MIDIOutDevice.IsDisposed)
{
_MIDIOutDevice.Send(message);
}
}
}
/// <summary>
/// Send a NoteOn MIDI message with a given velocity
/// Valid notes: see https://cdn-images-1.medium.com/max/1200/1*CDXHKG0-4QO9Y-DCTAcqPg.png
/// Valid velocity: 0-127
/// </summary>
public void SendNoteOn(int note, int velocity)
{
if (output == null)
{
Debug.Log("sendNoteOn on unopened device");
return;
}
//Debug.Log("MIDI NoteOn " + note + ", velocity: " + velocity);
output.Send(new ChannelMessage(ChannelCommand.NoteOn, 0, note, Mathf.Clamp(velocity, 0, 127)));
}
private void FEventSource_MessageReceived(IMidiMessage message)
{
var shortMessage = message as ShortMessage;
if (shortMessage != null)
{
FOutDevice.SendShort(shortMessage.Message);
return;
}
var sysExMessage = message as SysExMessage;
if (sysExMessage != null)
{
FOutDevice.Send(sysExMessage);
}
}
public static void PlayPartOfTrack()
{
Sequence seq = new Sequence(@"C:\Users\armen_000\Documents\Visual Studio 2013\Projects\Improvisation\Improvisation\bin\Debug\loseyourself.mid");
using (var device = new OutputDevice(0))
{
var track = seq[1];
foreach (var item in track.Iterator())
{
var k = item.MidiMessage as ChannelMessage;
if (k != null)
{
device.Send(k);
Thread.Sleep(item.DeltaTicks);
}
}
}
}
private void Load()
{
Loading = 0;
outDevice = new OutputDevice(0);
sequencer = new Sequencer();
sequence = new Sequence();
sequencer.ChannelMessagePlayed += delegate (object o, ChannelMessageEventArgs args)
{
ChannelCommand cmd = args.Message.Command;
int channel = args.Message.MidiChannel;
int data1 = args.Message.Data1;
int data2 = args.Message.Data2;
if (cmd == ChannelCommand.NoteOff || data2 == 0)
{
if (lastPlayed[channel, data1] != null)
{
Note n = lastPlayed[channel, data1];
n.Playing = false;
}
}
else if (cmd == ChannelCommand.NoteOn)
{
Note n = new Note()
{
Key = data1,
Length = 0,
Playing = true,
Position = 0,
Time = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond,
Channel = channel,
Velocity = data2
};
lock (notes)
notes.Add(n);
if (lastPlayed[channel, data1] != null)
lastPlayed[channel, data1].Playing = false;
lastPlayed[channel, data1] = n;
}
lock (backlog)
{
backlog.Enqueue(new Event(delegate
{
outDevice.Send(args.Message);
if (cmd == ChannelCommand.NoteOff || data2 == 0)
if (Keyboard.KeyPressed[data1] > 0)
Keyboard.KeyPressed[data1]--;
else if (cmd == ChannelCommand.NoteOn)
Keyboard.KeyPressed[data1]++;
else if (cmd == ChannelCommand.Controller)
if (data1 == 0x07)
Keyboard.ChannelVolume[channel] = data2;
else if (cmd == ChannelCommand.PitchWheel)
{
int pitchValue = Get14BitValue(data1, data2);
Keyboard.Pitchwheel[channel] = pitchValue;
}
}, Delay));
}
};
sequencer.SysExMessagePlayed += delegate (object o, SysExMessageEventArgs args)
{
lock (backlog)
backlog.Enqueue(new Event(() => outDevice.Send(args.Message), Delay));
};
sequencer.Chased += delegate (object o, ChasedEventArgs args)
{
foreach (ChannelMessage message in args.Messages)
lock (backlog)
backlog.Enqueue(new Event(() => outDevice.Send(message), Delay));
};
sequencer.Stopped += delegate (object o, StoppedEventArgs args)
{
foreach (ChannelMessage message in args.Messages)
lock (backlog)
backlog.Enqueue(new Event(() => outDevice.Send(message), Delay));
};
sequence.LoadCompleted += delegate (object o, AsyncCompletedEventArgs args)
{
Loading = -1;
sequencer.Sequence = sequence;
sequencer.Start();
};
sequence.LoadProgressChanged += delegate (object sender, ProgressChangedEventArgs args)
{
Loading = args.ProgressPercentage;
};
sequence.LoadAsync(MIDIFile);
}
public void Init()
{
// Make sure we don't initialize twice and create a disaster
if (Initialized)
return;
Initialized = true;
// Create timer for event management
eventTimer = new Timer(10);
eventTimer.Elapsed += delegate
{
lock (NoteManager.Backlog)
{
while (NoteManager.Backlog.Any() && NoteManager.Backlog.First().StartTime <= Stopwatch.ElapsedMilliseconds)
{
Event ev = NoteManager.Backlog.Dequeue();
ev.Method();
}
}
};
Loading = 0;
// Create handles to MIDI devices
outDevice = new OutputDevice(0);
sequencer = new Sequencer();
sequence = new Sequence();
Loading = -1;
// Set custom event handlers for sequencer
sequencer.ChannelMessagePlayed += delegate (object o, ChannelMessageEventArgs args)
{
ChannelCommand cmd = args.Message.Command;
int channel = args.Message.MidiChannel;
int data1 = args.Message.Data1;
int data2 = args.Message.Data2;
if (cmd == ChannelCommand.NoteOff || (cmd == ChannelCommand.NoteOn && data2 == 0))
{
if (NoteManager.LastPlayed[channel, data1] != null)
{
Note n = NoteManager.LastPlayed[channel, data1];
n.Playing = false;
}
}
else if (cmd == ChannelCommand.NoteOn)
{
Note n = new Note
{
Key = data1,
Length = 0,
Playing = true,
Position = 0,
Time = Stopwatch.ElapsedMilliseconds,
Channel = channel,
Velocity = data2
};
lock (NoteManager.Notes)
NoteManager.Notes.Add(n);
if (NoteManager.LastPlayed[channel, data1] != null)
NoteManager.LastPlayed[channel, data1].Playing = false;
NoteManager.LastPlayed[channel, data1] = n;
}
lock (NoteManager.Backlog)
{
NoteManager.Backlog.Enqueue(new Event(delegate
{
outDevice.Send(args.Message);
if (cmd == ChannelCommand.NoteOff || (cmd == ChannelCommand.NoteOn && data2 == 0))
{
if (Keyboard.KeyPressed[data1] > 0)
Keyboard.KeyPressed[data1]--;
}
else if (cmd == ChannelCommand.NoteOn)
{
Keyboard.KeyPressed[data1]++;
}
else if (cmd == ChannelCommand.Controller)
{
if (data1 == 0x07)
Keyboard.ChannelVolume[channel] = data2;
}
else if (cmd == ChannelCommand.PitchWheel)
{
int pitchValue = Get14BitValue(data1, data2);
Keyboard.Pitchwheel[channel] = pitchValue;
}
}, Stopwatch.ElapsedMilliseconds, Delay));
}
};
sequencer.SysExMessagePlayed += delegate (object o, SysExMessageEventArgs args)
{
lock (NoteManager.Backlog)
NoteManager.Backlog.Enqueue(new Event(() => outDevice.Send(args.Message), Stopwatch.ElapsedMilliseconds, Delay));
};
sequencer.Chased += delegate (object o, ChasedEventArgs args)
{
foreach (ChannelMessage message in args.Messages)
lock (NoteManager.Backlog)
NoteManager.Backlog.Enqueue(new Event(() => outDevice.Send(message), Stopwatch.ElapsedMilliseconds, Delay));
};
sequencer.Stopped += delegate (object o, StoppedEventArgs args)
{
foreach (ChannelMessage message in args.Messages)
lock (NoteManager.Backlog)
NoteManager.Backlog.Enqueue(new Event(() => outDevice.Send(message), Stopwatch.ElapsedMilliseconds, Delay));
// Stop everything when the MIDI is done playing
Stop();
};
sequence.LoadCompleted += delegate (object o, AsyncCompletedEventArgs args)
{
Loading = -1;
if (args.Cancelled)
{
MessageBox.Show("The operation was cancelled.", "MIDITrailer - Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
sequencer.Sequence = sequence;
};
sequence.LoadProgressChanged += delegate (object sender, ProgressChangedEventArgs args)
{
Loading = args.ProgressPercentage;
};
}
