public MetaEvent(BinaryReader reader)
{
EventType = Event.Type.Meta;
EventTypeByte = reader.ReadByte();
Type = (MetaEventType)EventTypeByte;
var length = new VLQ(reader);
Length = length.Value;
LengthBytes = length.Bytes.ToArray();
DataBytes = reader.ReadBytes(Convert.ToInt32(Length));
}
public EventData(BinaryReader reader)
{
_deltaTime = reader.ReadVLQ();
var type = reader.ReadByte();
if (type == 0xFF)
{
Event = new MetaEvent(reader);
}
else if (Enum.IsDefined(typeof(SysexEvent.SysexEventType), type))
{
reader.BaseStream.Position -= 1;
Event = new SysexEvent(reader);
}
else if (Enum.IsDefined(typeof(MidiEvent.MidiEventType), (byte)(type & 0xF0)))
{
reader.BaseStream.Position -= 1;
Event = new MidiEvent(reader);
}
else if (type < 0x80)
{
if (lastEvent != null && lastEvent.GetType() == typeof(MidiEvent))
{
reader.BaseStream.Position -= 1;
Event = MidiEvent.Extend((MidiEvent)lastEvent, reader);
}
else
{
throw new ArgumentException($"{type} is not a valid Event Type and there was no previous running MidiEvent. Last event was of type {lastEvent?.GetType()}");
}
}
else
{
throw new ArgumentOutOfRangeException($"{type} is not a valid Event Type");
}
lastEvent = Event;
}