private static MidiFile TestNotes(Pattern pattern, ICollection <NoteInfo> expectedNotesInfos, params Tuple <long, Tempo>[] tempoChanges)
{
var channel = (FourBitNumber)2;
TempoMap tempoMap = null;
using (var tempoMapManager = new TempoMapManager())
{
foreach (var tempoChange in tempoChanges)
{
tempoMapManager.SetTempo(tempoChange.Item1, tempoChange.Item2);
}
tempoMap = tempoMapManager.TempoMap;
}
var midiFile = pattern.ToFile(tempoMap, channel);
var expectedNotes = expectedNotesInfos.Select(i =>
{
var expectedTime = TimeConverter.ConvertFrom(i.Time ?? new MetricTime(), tempoMap);
var expectedLength = LengthConverter.ConvertFrom(i.Length, expectedTime, tempoMap);
return(new Note(i.NoteNumber, expectedLength, expectedTime)
{
Velocity = i.Velocity,
Channel = channel
});
});
Assert.IsTrue(NoteEquality.Equals(expectedNotes, midiFile.GetNotes()));
return(midiFile);
}
public int Compare(object x, object y)
{
var xNote = (Note)x;
var yNote = (Note)y;
return(NoteEquality.AreEqual(xNote, yNote) ? 0 : -1);
}
public void CheckNotesReadingHandler_MultipleTrackChunks_DontSort()
{
var handler = ReadWithNotesReadingHandler(
new MidiFile(
new TrackChunk(
new NoteOnEvent((SevenBitNumber)1, (SevenBitNumber)10),
new NoteOffEvent((SevenBitNumber)1, (SevenBitNumber)5)
{
DeltaTime = 100
},
new NoteOnEvent((SevenBitNumber)40, (SevenBitNumber)56)
{
DeltaTime = 50, Channel = (FourBitNumber)10
},
new NoteOffEvent((SevenBitNumber)40, (SevenBitNumber)0)
{
DeltaTime = 100, Channel = (FourBitNumber)10
}),
new TrackChunk(
new NoteOnEvent()
{
DeltaTime = 45
},
new NoteOffEvent()
{
DeltaTime = 100
},
new TextEvent("test")
{
DeltaTime = 50
},
new ControlChangeEvent((SevenBitNumber)40, (SevenBitNumber)45)
{
DeltaTime = 100
})),
false);
var notes = handler.Notes;
NoteEquality.AreEqual(
notes,
new[]
{
new Note((SevenBitNumber)1, 100, 0)
{
Velocity = (SevenBitNumber)10, OffVelocity = (SevenBitNumber)5
},
new Note((SevenBitNumber)0, 100, 45),
new Note((SevenBitNumber)40, 100, 150)
{
Velocity = (SevenBitNumber)56, Channel = (FourBitNumber)10
}
});
Assert.AreSame(notes, handler.Notes, "Notes collection object is changed on second get.");
}
public void Split_TimeInsideNote()
{
var note = new Note((SevenBitNumber)100, 200, 100);
var time = 120;
var parts = note.Split(time);
Assert.IsTrue(NoteEquality.AreEqual(new Note((SevenBitNumber)100, 20, 100), parts.LeftPart),
"Left part is invalid.");
Assert.IsTrue(NoteEquality.AreEqual(new Note((SevenBitNumber)100, 180, 120), parts.RightPart),
"Right part is invalid.");
}
public void Clone()
{
var note = new Note((SevenBitNumber)100, 500, 123)
{
Channel = (FourBitNumber)10,
Velocity = (SevenBitNumber)45,
OffVelocity = (SevenBitNumber)54
};
Assert.IsTrue(NoteEquality.AreEqual(note, note.Clone()),
"Clone of a note doesn't equal to the original one.");
}
public static MidiFile TestNotes(Pattern pattern, ICollection <NoteInfo> expectedNotesInfos, params Tuple <long, Tempo>[] tempoChanges)
{
TempoMap tempoMap;
using (var tempoMapManager = new TempoMapManager())
{
foreach (var tempoChange in tempoChanges)
{
tempoMapManager.SetTempo(tempoChange.Item1, tempoChange.Item2);
}
tempoMap = tempoMapManager.TempoMap;
}
var midiFile = pattern.ToFile(tempoMap, Channel);
var expectedNotes = expectedNotesInfos.Select(i =>
{
var expectedTime = TimeConverter.ConvertFrom(i.Time ?? new MetricTimeSpan(), tempoMap);
var expectedLength = LengthConverter.ConvertFrom(i.Length, expectedTime, tempoMap);
return(new DryWetMidi.Interaction.Note(i.NoteNumber, expectedLength, expectedTime)
{
Velocity = i.Velocity,
Channel = Channel
});
})
.OrderBy(n => n.Time)
.ToArray();
var actualNotes = midiFile.GetNotes().ToArray();
Assert.AreEqual(expectedNotes.Length, actualNotes.Length, "Notes count is invalid.");
var j = 0;
foreach (var expectedActual in expectedNotes.Zip(actualNotes, (e, a) => new { Expected = e, Actual = a }))
{
var expectedNote = expectedActual.Expected;
var actualNote = expectedActual.Actual;
Assert.IsTrue(NoteEquality.AreEqual(expectedNote, actualNote), $"Note {j} is invalid. Expected: {expectedNote}; actual: {actualNote}.");
j++;
}
return(midiFile);
}
public void Split_TimeAboveEndTime()
{
Func <Note> noteCreator = () => new Note((SevenBitNumber)100, 200, 100);
var note = noteCreator();
var time = 500;
var parts = note.Split(time);
Assert.IsNull(parts.RightPart,
"Right part is not null.");
Assert.AreNotSame(parts.LeftPart,
note,
"Left part refers to the same object as the original note.");
Assert.IsTrue(NoteEquality.AreEqual(noteCreator(), parts.LeftPart),
"Left part doesn't equal to the original note.");
}
private void CheckTrackNotesWithoutOutputDevice(
ICollection <EventToSend> eventsToSend,
ICollection <EventToSend> eventsWillBeSent,
TimeSpan moveFrom,
TimeSpan moveTo,
IEnumerable <int> notesWillBeStarted,
IEnumerable <int> notesWillBeFinished)
{
var playbackContext = new PlaybackContext();
var stopwatch = playbackContext.Stopwatch;
var tempoMap = playbackContext.TempoMap;
var eventsForPlayback = GetEventsForPlayback(eventsToSend, tempoMap);
var notes = eventsForPlayback.GetNotes().ToArray();
var notesStarted = new List <Note>();
var notesFinished = new List <Note>();
using (var playback = new Playback(eventsForPlayback, tempoMap))
{
playback.TrackNotes = true;
playback.NotesPlaybackStarted += (_, e) => notesStarted.AddRange(e.Notes);
playback.NotesPlaybackFinished += (_, e) => notesFinished.AddRange(e.Notes);
stopwatch.Start();
playback.Start();
SpinWait.SpinUntil(() => stopwatch.Elapsed >= moveFrom);
playback.MoveToTime((MetricTimeSpan)moveTo);
Thread.Sleep(TimeSpan.FromTicks(eventsWillBeSent.Sum(e => e.Delay.Ticks)) + SendReceiveUtilities.MaximumEventSendReceiveDelay);
stopwatch.Stop();
var playbackStopped = SpinWait.SpinUntil(() => !playback.IsRunning, SendReceiveUtilities.MaximumEventSendReceiveDelay);
Assert.IsTrue(playbackStopped, "Playback is running after completed.");
}
Assert.IsTrue(NoteEquality.AreEqual(notesStarted, notesWillBeStarted.Select(i => notes[i])), "Invalid notes started.");
Assert.IsTrue(NoteEquality.AreEqual(notesFinished, notesWillBeFinished.Select(i => notes[i])), "Invalid notes finished.");
}
public void SplitByNotes_DifferentChannels()
{
var tempoMap = TempoMap.Default;
var channel1 = (FourBitNumber)10;
var channel2 = (FourBitNumber)4;
var trackChunk1 = new PatternBuilder()
.SetNoteLength(MusicalTimeSpan.Quarter)
.SetOctave(Octave.Get(2))
.Note(NoteName.A)
.Note(NoteName.C)
.Build()
.ToTrackChunk(tempoMap, channel1);
var trackChunk2 = new PatternBuilder()
.SetNoteLength(MusicalTimeSpan.Eighth)
.SetOctave(Octave.Get(3))
.StepForward(MusicalTimeSpan.ThirtySecond)
.Note(NoteName.D)
.Note(NoteName.DSharp)
.Build()
.ToTrackChunk(tempoMap, channel2);
var midiFile = new MidiFile(trackChunk1, trackChunk2);
var notes = midiFile.GetNotes().ToList();
var filesByNotes = midiFile.SplitByNotes().ToList();
Assert.AreEqual(4, filesByNotes.Count, "New files count is invalid.");
Assert.IsTrue(NoteEquality.AreEqual(filesByNotes[0].GetNotes(), new[] { notes[0] }));
Assert.IsTrue(NoteEquality.AreEqual(filesByNotes[1].GetNotes(), new[] { notes[1] }));
Assert.IsTrue(NoteEquality.AreEqual(filesByNotes[2].GetNotes(), new[] { notes[2] }));
Assert.IsTrue(NoteEquality.AreEqual(filesByNotes[3].GetNotes(), new[] { notes[3] }));
}
public void SplitByNotes_SingleChannel()
{
var tempoMap = TempoMap.Default;
var midiFile = new PatternBuilder()
.SetNoteLength(MusicalTimeSpan.Quarter)
.SetOctave(Octave.Get(2))
.Note(NoteName.A)
.ProgramChange((SevenBitNumber)20)
.Note(NoteName.C)
.Build()
.ToFile(tempoMap);
var filesByNotes = midiFile.SplitByNotes().ToList();
Assert.AreEqual(2, filesByNotes.Count, "New files count is invalid.");
var notes = midiFile.GetNotes().ToList();
Assert.IsTrue(NoteEquality.AreEqual(filesByNotes[0].GetNotes(), new[] { notes[0] }));
Assert.IsTrue(NoteEquality.AreEqual(filesByNotes[1].GetNotes(), new[] { notes[1] }));
var timedEvents = midiFile.GetTimedEvents().Where(e => !(e.Event is NoteEvent)).ToList();
Assert.IsTrue(TimedEventEquality.AreEqual(filesByNotes[0].GetTimedEvents()
.Where(e => !(e.Event is NoteEvent)),
timedEvents,
false));
Assert.IsTrue(TimedEventEquality.AreEqual(filesByNotes[1].GetTimedEvents()
.Where(e => !(e.Event is NoteEvent)),
timedEvents,
false));
}
private void CheckNoteCallback(
ICollection <EventToSend> eventsToSend,
ICollection <ReceivedEvent> expectedReceivedEvents,
TimeSpan changeCallbackAfter,
NoteCallback noteCallback,
NoteCallback secondNoteCallback,
ICollection <Note> expectedNotesStarted,
ICollection <Note> expectedNotesFinished)
{
var playbackContext = new PlaybackContext();
var receivedEvents = playbackContext.ReceivedEvents;
var sentEvents = playbackContext.SentEvents;
var stopwatch = playbackContext.Stopwatch;
var tempoMap = playbackContext.TempoMap;
var eventsForPlayback = GetEventsForPlayback(eventsToSend, tempoMap);
var notesStarted = new List <Note>();
var notesFinished = new List <Note>();
using (var outputDevice = OutputDevice.GetByName(SendReceiveUtilities.DeviceToTestOnName))
{
SendReceiveUtilities.WarmUpDevice(outputDevice);
outputDevice.EventSent += (_, e) => sentEvents.Add(new SentEvent(e.Event, stopwatch.Elapsed));
using (var playback = new Playback(eventsForPlayback, tempoMap, outputDevice))
{
playback.NotesPlaybackStarted += (_, e) => notesStarted.AddRange(e.Notes);
playback.NotesPlaybackFinished += (_, e) => notesFinished.AddRange(e.Notes);
playback.NoteCallback = noteCallback;
using (var inputDevice = InputDevice.GetByName(SendReceiveUtilities.DeviceToTestOnName))
{
inputDevice.EventReceived += (_, e) =>
{
lock (playbackContext.ReceivedEventsLockObject)
{
receivedEvents.Add(new ReceivedEvent(e.Event, stopwatch.Elapsed));
}
};
inputDevice.StartEventsListening();
stopwatch.Start();
playback.Start();
SpinWait.SpinUntil(() => stopwatch.Elapsed >= changeCallbackAfter);
playback.NoteCallback = secondNoteCallback;
var timeout = TimeSpan.FromTicks(eventsToSend.Sum(e => e.Delay.Ticks)) + SendReceiveUtilities.MaximumEventSendReceiveDelay;
var playbackStopped = SpinWait.SpinUntil(() => !playback.IsRunning, timeout);
Assert.IsTrue(playbackStopped, "Playback is running after completed.");
}
}
}
CompareReceivedEvents(receivedEvents, expectedReceivedEvents.ToList());
Assert.IsTrue(NoteEquality.AreEqual(notesStarted, expectedNotesStarted), "Invalid notes started.");
Assert.IsTrue(NoteEquality.AreEqual(notesFinished, expectedNotesFinished), "Invalid notes finished.");
}
private void CheckTrackNotesWithOutputDevice(
ICollection <EventToSend> eventsToSend,
ICollection <EventToSend> eventsWillBeSent,
TimeSpan moveFrom,
TimeSpan moveTo,
IEnumerable <int> notesWillBeStarted,
IEnumerable <int> notesWillBeFinished)
{
var playbackContext = new PlaybackContext();
var receivedEvents = playbackContext.ReceivedEvents;
var sentEvents = playbackContext.SentEvents;
var stopwatch = playbackContext.Stopwatch;
var tempoMap = playbackContext.TempoMap;
var eventsForPlayback = GetEventsForPlayback(eventsToSend, tempoMap);
var notes = eventsForPlayback.GetNotes().ToArray();
var notesStarted = new List <Note>();
var notesFinished = new List <Note>();
using (var outputDevice = OutputDevice.GetByName(SendReceiveUtilities.DeviceToTestOnName))
{
SendReceiveUtilities.WarmUpDevice(outputDevice);
outputDevice.EventSent += (_, e) => sentEvents.Add(new SentEvent(e.Event, stopwatch.Elapsed));
using (var playback = new Playback(eventsForPlayback, tempoMap, outputDevice))
{
playback.TrackNotes = true;
playback.NotesPlaybackStarted += (_, e) => notesStarted.AddRange(e.Notes);
playback.NotesPlaybackFinished += (_, e) => notesFinished.AddRange(e.Notes);
using (var inputDevice = InputDevice.GetByName(SendReceiveUtilities.DeviceToTestOnName))
{
inputDevice.EventReceived += (_, e) =>
{
lock (playbackContext.ReceivedEventsLockObject)
{
receivedEvents.Add(new ReceivedEvent(e.Event, stopwatch.Elapsed));
}
};
inputDevice.StartEventsListening();
stopwatch.Start();
playback.Start();
SpinWait.SpinUntil(() => stopwatch.Elapsed >= moveFrom);
playback.MoveToTime((MetricTimeSpan)moveTo);
var timeout = TimeSpan.FromTicks(eventsWillBeSent.Sum(e => e.Delay.Ticks)) + SendReceiveUtilities.MaximumEventSendReceiveDelay;
var areEventsReceived = SpinWait.SpinUntil(() => receivedEvents.Count == eventsWillBeSent.Count, timeout);
Assert.IsTrue(areEventsReceived, $"Events are not received for timeout {timeout}.");
stopwatch.Stop();
var playbackStopped = SpinWait.SpinUntil(() => !playback.IsRunning, SendReceiveUtilities.MaximumEventSendReceiveDelay);
Assert.IsTrue(playbackStopped, "Playback is running after completed.");
}
}
}
CompareSentReceivedEvents(sentEvents, receivedEvents, eventsWillBeSent.ToList());
Assert.IsTrue(NoteEquality.AreEqual(notesStarted, notesWillBeStarted.Select(i => notes[i])), "Invalid notes started.");
Assert.IsTrue(NoteEquality.AreEqual(notesFinished, notesWillBeFinished.Select(i => notes[i])), "Invalid notes finished.");
}
public void CheckNotesReadingHandler_SingleTrackChunk(bool sortNotes)
{
var handler = ReadWithNotesReadingHandler(
new MidiFile(
new TrackChunk(
new SetTempoEvent(1234),
new NoteOnEvent((SevenBitNumber)1, (SevenBitNumber)100)
{
DeltaTime = 10, Channel = (FourBitNumber)1
},
new NoteOnEvent((SevenBitNumber)2, (SevenBitNumber)70)
{
DeltaTime = 10, Channel = (FourBitNumber)1
},
new PitchBendEvent(123)
{
DeltaTime = 10
},
new MarkerEvent("Marker")
{
DeltaTime = 10
},
new NoteOnEvent((SevenBitNumber)3, (SevenBitNumber)1)
{
Channel = (FourBitNumber)1
},
new MarkerEvent("Marker 2")
{
DeltaTime = 10
},
new TextEvent("Text")
{
DeltaTime = 10
},
new TextEvent("Text 2")
{
DeltaTime = 10
},
new NoteOnEvent((SevenBitNumber)2, (SevenBitNumber)1)
{
Channel = (FourBitNumber)10
},
new CuePointEvent("Point")
{
DeltaTime = 10
},
new NoteOffEvent((SevenBitNumber)3, (SevenBitNumber)1)
{
Channel = (FourBitNumber)1
},
new NoteOffEvent((SevenBitNumber)1, (SevenBitNumber)0)
{
DeltaTime = 10, Channel = (FourBitNumber)1
},
new NoteOffEvent((SevenBitNumber)2, (SevenBitNumber)0)
{
Channel = (FourBitNumber)10
},
new NoteOffEvent((SevenBitNumber)2, (SevenBitNumber)0)
{
DeltaTime = 10, Channel = (FourBitNumber)1
})),
sortNotes);
var notes = handler.Notes;
NoteEquality.AreEqual(
notes,
new[]
{
new Note((SevenBitNumber)1, 80, 10)
{
Channel = (FourBitNumber)1, Velocity = (SevenBitNumber)100
},
new Note((SevenBitNumber)2, 80, 20)
{
Channel = (FourBitNumber)1, Velocity = (SevenBitNumber)70
},
new Note((SevenBitNumber)3, 40, 40)
{
Channel = (FourBitNumber)1, Velocity = (SevenBitNumber)1, OffVelocity = (SevenBitNumber)1
},
new Note((SevenBitNumber)2, 20, 70)
{
Channel = (FourBitNumber)10, Velocity = (SevenBitNumber)1
}
});
Assert.AreSame(notes, handler.Notes, "Notes collection object is changed on second get.");
}
