private void readMessages(BinaryReaderBE binaryReader)
{
long curLength = (long)binaryReader.BaseStream.Position + length;
while (binaryReader.BaseStream.Position < curLength)
{
messages.Add(new VLV(binaryReader));
//TODO implement running status
byte status = binaryReader.ReadByte();
switch ((Keys)(status & 0xF0))
{
case Keys.NoteOff: messages.Add(new NoteOff(binaryReader, status & 0x0F)); break;
case Keys.NoteOn: messages.Add(new NoteOn(binaryReader, status & 0x0F)); break;
case Keys.AfterTouch: messages.Add(new AfterTouch(binaryReader, status & 0x0F)); break;
case Keys.Controller: messages.Add(new Controller(binaryReader, status & 0x0F)); break;
case Keys.Patch: messages.Add(new Patch(binaryReader, status & 0x0F)); break;
case Keys.Pressure: messages.Add(new Pressure(binaryReader, status & 0x0F)); break;
case Keys.PitchBend: messages.Add(new PitchBend(binaryReader, status & 0x0F)); break;
case Keys.Meta: messages.Add(new Meta(binaryReader)); break;
default: throw new NotImplementedException("Unknown message: " + status);
}
}
}
internal Track(BinaryReaderBE binaryReader)
{
messages = new List <Message>();
curMessage = 0;
checkMtrk(binaryReader.ReadBytes(4));
length = binaryReader.ReadInt32();
readMessages(binaryReader);
}
private void load(BinaryReaderBE binaryReader)
{
tracks = new List <Track>();
checkMthd(binaryReader.ReadBytes(4));
if (binaryReader.ReadInt32() != 6)
{
throw new FormatException("Wrong header size");
}
type = binaryReader.ReadInt16();
short trackCount = binaryReader.ReadInt16();
PPQ = binaryReader.ReadInt16();
for (int i = 0; i < trackCount; i++)
{
tracks.Add(new Track(binaryReader));
}
}
internal Midi(BinaryReaderBE binaryReader)
{
load(binaryReader);
}
