static int RunDebug(DebugOptions options)
{
var engine = new DesktopEngine();
var midiAccess = MidiAccessManager.Default;
Console.WriteLine("MIDI Inputs");
Console.WriteLine("-----------");
Console.WriteLine("");
Console.WriteLine($"\tId\tName");
Console.WriteLine($"-----------------------------------");
foreach (var input in midiAccess.Inputs)
{
Console.WriteLine($"\t{input.Id}\t{input.Name}");
}
Console.WriteLine();
Console.WriteLine("MIDI Outputs");
Console.WriteLine("------------");
Console.WriteLine("");
Console.WriteLine($"\tId\tName");
Console.WriteLine($"-----------------------------------");
foreach (var output in midiAccess.Outputs)
{
Console.WriteLine($"\t{output.Id}\t{output.Name}");
}
return(0);
}
static int RunPlay(PlayOptions options)
{
var engine = new DesktopEngine();
engine.Server.Run(engine);
return(0);
}
static int RunPlayDirect(PlayDirectOptions options)
{
var engine = new DesktopEngine();
var midiAccess = MidiAccessManager.Default;
foreach (var input in options.MidiInputs)
{
var foundMidiInput = midiAccess.Inputs.Where(x => x.Name.ToLower().Contains(input.ToLower()) || x.Id.ToLower().Contains(input.ToLower())).FirstOrDefault();
if (foundMidiInput == null)
{
Console.Error.WriteLine($"Did not find any MIDI input partially matching '{input}'.");
return(1);
}
else
{
Console.WriteLine($"Using MIDI input '{foundMidiInput.Name}'.");
}
engine.MidiInputs.Add(midiAccess.OpenInputAsync(foundMidiInput.Id).Result);
}
foreach (var output in options.MidiOutputs)
{
var foundMidiOutput = midiAccess.Outputs.Where(x => x.Name.ToLower().Contains(output.ToLower()) || x.Id.ToLower().Contains(output.ToLower())).FirstOrDefault();
if (foundMidiOutput == null)
{
Console.Error.WriteLine($"Did not find any MIDI output partially matching '{output}'.");
return(1);
}
else
{
Console.WriteLine($"Using MIDI output'{foundMidiOutput.Name}'.");
}
engine.MidiOutputs.Add(midiAccess.OpenOutputAsync(foundMidiOutput.Id).Result);
}
var scoreFilePath = options.FilePath;
FileStream fileStream = null;
ScoreBuilder scoreBuilder = null;
Score score = null;
Dictionary <byte, byte> noteVelocityMap = new Dictionary <byte, byte>();
foreach (var index in Enumerable.Range(0, 128))
{
noteVelocityMap.Add((byte)index, 0);
}
var lastNoteOnVelocities = new Queue <decimal>(3);
if (scoreFilePath != null)
{
if (!File.Exists(options.FilePath))
{
Console.Error.WriteLine($"Could not find sheet music file '{options.FilePath}'.");
return(1);
}
try
{
fileStream = new FileStream(scoreFilePath, FileMode.Open);
}
catch (Exception ex)
{
Console.Error.WriteLine($"Could not open sheet music file path {scoreFilePath}: {ex}");
}
if (fileStream == null)
{
return(2);
}
try
{
scoreBuilder = new ScoreBuilder(fileStream);
score = scoreBuilder.Build();
}
catch (Exception ex)
{
Console.Error.WriteLine($"Could not build sheet music score from file path {scoreFilePath}: {ex}");
}
if (scoreBuilder == null || score == null)
{
return(3);
}
else
{
Console.WriteLine($"Successfully loaded sheet music at {scoreFilePath}.");
}
engine.Interpreter.SetScore(score, scoreFilePath);
}
foreach (var midiInput in engine.MidiInputs)
{
midiInput.MessageReceived += (object sender, MidiReceivedEventArgs e) =>
{
switch (e.Data[0])
{
case MidiEvent.NoteOff:
{
var pitch = e.Data[1];
Console.WriteLine($"Off (actual): {pitch}");
engine.Interpreter.Input(new NoteRelease()
{
Pitch = pitch
});
}
break;
case MidiEvent.NoteOn:
{
var pitch = e.Data[1];
var velocity = e.Data[2];
var isSimulatedNoteOff = velocity == 0;
var isRequestedPitchAlreadyAtZeroVelocity = noteVelocityMap[pitch] == 0;
var isRequestedNoteOffAlreadyNoteOff = isRequestedPitchAlreadyAtZeroVelocity;
var shouldNoteOffBeNoteOn = isSimulatedNoteOff && isRequestedNoteOffAlreadyNoteOff;
if (shouldNoteOffBeNoteOn)
{
var averagePreviousNoteVelocities = (byte)(lastNoteOnVelocities.Average());
Console.WriteLine($"<!!! CAUGHT !!!> On (simulated) {counter1++}: {pitch} at {String.Format("{0:0%}", averagePreviousNoteVelocities / 127.0)}");
noteVelocityMap[pitch] = averagePreviousNoteVelocities;
engine.Interpreter.Input(new NotePress()
{
Pitch = pitch,
Velocity = averagePreviousNoteVelocities
});
}
else
{
/** The Yamaha P-45 sends Note Off messages as Note On
* messages with zero velocity. */
var isNoteOnActuallyNoteOff = velocity == 0;
if (isNoteOnActuallyNoteOff)
{
Console.WriteLine($"Off (simulated) {counter1++}: {pitch} at {String.Format("{0:0%}", velocity / 127.0)} <---> (Last) {String.Format("{0:0%}", (byte)noteVelocityMap[pitch] / 127.0)}");
noteVelocityMap[pitch] = 0;
engine.Interpreter.Input(new NoteRelease()
{
Pitch = pitch
});
}
else
{
lastNoteOnVelocities.Enqueue(velocity);
if (lastNoteOnVelocities.Count > 3)
{
lastNoteOnVelocities.Dequeue();
}
noteVelocityMap[pitch] = velocity;
Console.WriteLine($"On {counter1++}: {pitch} at {String.Format("{0:0%}", velocity / 127.0)}");
engine.Interpreter.Input(new NotePress()
{
Pitch = pitch,
Velocity = velocity
});
}
}
}
break;
case MidiEvent.CC:
{
var pedalKind = e.Data[1];
var position = (byte)(127 - e.Data[2]);
// Console.WriteLine($"Pedal {counter1++}: {String.Format("{0:0%}", position / 127.0)}");
engine.Interpreter.Input(new PedalChange()
{
Pedal = PedalKind.Sustain,
Position = position
});
}
break;
}
};
}
engine.Interpreter.Output += (IPianoEvent e) =>
{
foreach (var output in engine.MidiOutputs)
{
switch (e)
{
case PedalChange pedal:
output.Send(new byte[]
{
MidiEvent.CC,
pedal.Pedal switch
{
PedalKind.UnaCorda => 67,
PedalKind.Sostenuto => 66,
PedalKind.Sustain => 64,
_ => 64
},
(byte)(pedal.Position)
}, 0, 3, 0);
break;