public void SplitByGrid_DontSplitNotes_DontPreserveTimes()
{
var timedEvents = new[]
{
new TimedEvent(new SetTempoEvent(100000), 0),
new TimedEvent(new InstrumentNameEvent("Test instrument"), 10),
new TimedEvent(new SetTempoEvent(200000), 90),
new TimedEvent(new NoteOnEvent((SevenBitNumber)50, (SevenBitNumber)100), 90),
new TimedEvent(new NoteOnEvent((SevenBitNumber)20, (SevenBitNumber)100), 150),
new TimedEvent(new NoteOffEvent((SevenBitNumber)50, (SevenBitNumber)100), 190),
new TimedEvent(new NoteOffEvent((SevenBitNumber)20, (SevenBitNumber)100), 200),
new TimedEvent(new TextEvent("Test"), 200)
};
var midiFile = timedEvents.ToFile();
var grid = new SteppedGrid((MidiTimeSpan)100);
var settings = new SplittingMidiFileByGridSettings
{
SplitNotes = false,
PreserveTimes = false
};
var newFiles = midiFile.SplitByGrid(grid, settings).ToList();
Assert.AreEqual(3, newFiles.Count, "New files count is invalid.");
CompareTimedEvents(
newFiles[0].GetTimedEvents(),
new[]
{
new TimedEvent(new SetTempoEvent(100000), 0),
new TimedEvent(new InstrumentNameEvent("Test instrument"), 10),
new TimedEvent(new SetTempoEvent(200000), 90),
new TimedEvent(new NoteOnEvent((SevenBitNumber)50, (SevenBitNumber)100), 90)
},
"First file contains invalid events.");
CompareTimedEvents(
newFiles[1].GetTimedEvents(),
new[]
{
new TimedEvent(new SetTempoEvent(200000), 0),
new TimedEvent(new InstrumentNameEvent("Test instrument"), 0),
new TimedEvent(new NoteOnEvent((SevenBitNumber)20, (SevenBitNumber)100), 50),
new TimedEvent(new NoteOffEvent((SevenBitNumber)50, (SevenBitNumber)100), 90),
new TimedEvent(new NoteOffEvent((SevenBitNumber)20, (SevenBitNumber)100), 100),
},
"Second file contains invalid events.");
CompareTimedEvents(
newFiles[2].GetTimedEvents(),
new[]
{
new TimedEvent(new SetTempoEvent(200000), 0),
new TimedEvent(new InstrumentNameEvent("Test instrument"), 0),
new TimedEvent(new TextEvent("Test"), 0)
},
"Third file contains invalid events.");
}
public void SplitByGrid_RemoveEmptyFiles(bool removeEmptyFiles)
{
var timedEvents = new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)50, (SevenBitNumber)100), 90),
new TimedEvent(new NoteOffEvent((SevenBitNumber)50, (SevenBitNumber)70), 95),
new TimedEvent(new NoteOnEvent((SevenBitNumber)20, (SevenBitNumber)100), 300),
new TimedEvent(new NoteOffEvent((SevenBitNumber)20, (SevenBitNumber)100), 400)
};
var midiFile = timedEvents.ToFile();
var grid = new SteppedGrid((MidiTimeSpan)100);
var settings = new SplittingMidiFileByGridSettings
{
SplitNotes = false,
PreserveTimes = false,
RemoveEmptyFiles = removeEmptyFiles
};
var newFiles = midiFile.SplitByGrid(grid, settings).ToList();
Assert.AreEqual(removeEmptyFiles ? 2 : 4, newFiles.Count, "New files count is invalid.");
CompareTimedEvents(
newFiles[0].GetTimedEvents(),
new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)50, (SevenBitNumber)100), 90),
new TimedEvent(new NoteOffEvent((SevenBitNumber)50, (SevenBitNumber)70), 95),
},
"First file contains invalid events.");
if (!removeEmptyFiles)
{
CompareTimedEvents(
newFiles[1].GetTimedEvents(),
Enumerable.Empty <TimedEvent>(),
"Second file contains invalid events.");
CompareTimedEvents(
newFiles[2].GetTimedEvents(),
Enumerable.Empty <TimedEvent>(),
"Third file contains invalid events.");
}
CompareTimedEvents(
newFiles[removeEmptyFiles ? 1 : 3].GetTimedEvents(),
new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)20, (SevenBitNumber)100), 0),
new TimedEvent(new NoteOffEvent((SevenBitNumber)20, (SevenBitNumber)100), 100)
},
"Last file contains invalid events.");
}
public void SplitByGrid_PreserveTrackChunks(bool preserveTrackChunks)
{
var timedEvents1 = new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)50, (SevenBitNumber)100), 90),
new TimedEvent(new NoteOffEvent((SevenBitNumber)50, (SevenBitNumber)70), 95),
new TimedEvent(new NoteOnEvent((SevenBitNumber)20, (SevenBitNumber)100), 100),
new TimedEvent(new NoteOffEvent((SevenBitNumber)20, (SevenBitNumber)100), 200)
};
var timedEvents2 = new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)21, (SevenBitNumber)100), 100),
new TimedEvent(new NoteOffEvent((SevenBitNumber)21, (SevenBitNumber)100), 200)
};
var midiFile = new MidiFile(
timedEvents1.ToTrackChunk(),
timedEvents2.ToTrackChunk());
var grid = new SteppedGrid((MidiTimeSpan)100);
var settings = new SplittingMidiFileByGridSettings
{
SplitNotes = false,
PreserveTimes = false,
PreserveTrackChunks = preserveTrackChunks
};
var newFiles = midiFile.SplitByGrid(grid, settings).ToList();
Assert.AreEqual(2, newFiles.Count, "New files count is invalid.");
Assert.AreEqual(preserveTrackChunks ? 2 : 1, newFiles[0].GetTrackChunks().Count(), "Track chunks count of the first file is invalid.");
CompareTimedEvents(
newFiles[0].GetTrackChunks().First().GetTimedEvents(),
new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)50, (SevenBitNumber)100), 90),
new TimedEvent(new NoteOffEvent((SevenBitNumber)50, (SevenBitNumber)70), 95),
},
"First track chunk of first file contains invalid events.");
if (preserveTrackChunks)
{
CompareTimedEvents(
newFiles[0].GetTrackChunks().Last().GetTimedEvents(),
Enumerable.Empty <TimedEvent>(),
"Second track chunk of first file contains invalid events.");
}
Assert.AreEqual(2, newFiles[1].GetTrackChunks().Count(), "Track chunks count of the second file is invalid.");
CompareTimedEvents(
newFiles[1].GetTrackChunks().First().GetTimedEvents(),
new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)20, (SevenBitNumber)100), 0),
new TimedEvent(new NoteOffEvent((SevenBitNumber)20, (SevenBitNumber)100), 100)
},
"First track chunk of second file contains invalid events.");
CompareTimedEvents(
newFiles[1].GetTrackChunks().Last().GetTimedEvents(),
new[]
{
new TimedEvent(new NoteOnEvent((SevenBitNumber)21, (SevenBitNumber)100), 0),
new TimedEvent(new NoteOffEvent((SevenBitNumber)21, (SevenBitNumber)100), 100)
},
"Second track chunk of second file contains invalid events.");
}
