public void TestTempo()
{
double tempo = 100;
TempoMetaMessage message = new TempoMetaMessage(tempo, 0);
int microsecondsPerBeat = (int)(60 * 1e6 / tempo);
byte data1 = (byte)(microsecondsPerBeat / 0x10000);
byte data2 = (byte)((microsecondsPerBeat % 0x10000) / 0x100);
byte data3 = (byte)(microsecondsPerBeat % 0x100);
MetaMessage bytes = message.MetaMessage;
MetaMessage expected = new MetaMessage
{
MetaType = 0x51,
Data = new byte[] { data1, data2, data3 },
TimeDelta = 0
};
Assert.Equal(expected, bytes);
}
public IMessage getMessage(MetaEvent metaEvent)
{
switch (metaEvent.MetaEventType)
{
case SetTempo:
TempoEvent tempoEvent = (TempoEvent)metaEvent;
TempoMetaMessage message = TempoMetaMessage(tempoEvent.Tempo, tempoEvent.AbsoluteTime);
return(message);
case TimeSignature:
TimeSignatureEvent timeSignatureEvent = (TimeSignatureEvent)metaEvent;
TimeSignatureMetaMessage message = TimeSignatureMetaMessage(timeSignatureEvent.Numerator, timeSignatureEvent.Numerator, timeSignatureEvent.AbsoluteTime);
return(message);
case KeySignature:
KeySignatureEvent keySignatureEvent = (KeySignatureEvent)metaEvent;
TimeSignatureMetaMessage message = TimeSignatureMetaMessage((sbyte)keySignatureEvent.SharpsFlats, (byte)keySignatureEvent.MajorMinor, timeSignatureEvent.AbsoluteTime);
return(message);
default:
return(null); // TODO remaining MetaMessage types
}
}
