private static string DescribeKeySignature(byte[] bytes)
{
int n = MidiMetaEvent.GetDataLength(MidiMetaEvent.KeySignatureType);
if (bytes.Length < n)
{
return(null);
}
MidiKeySignature k = MidiMetaEvent.DataToKeySignature(bytes);
return((k == MidiKeySignature.NA) ? null :
k.ToString().Replace("Flat", "b").Replace("Sharp", "#").Replace("Major", " major").Replace("Minor", " minor"));
}
/// <summary>Adds an entry to the key signature map, or updates the entry if it already exists.</summary>
/// <param name="metaEvent">A MidiMetaEvent object representing a key signature.</param>
public void SetKeySignature(MidiMetaEvent metaEvent)
{
if (metaEvent.TotalTime < 0)
{
return;
}
MidiKeySignature keySignature = MidiMetaEvent.DataToKeySignature(metaEvent.Data);
if (keySignature == MidiKeySignature.NA)
{
return;
}
this.KeySignatureMap[metaEvent.TotalTime] = keySignature;
}
