public List <byte> CreateMetaBytes()
{
List <byte> data = new List <byte>();
if (Type.Equals("sequence_number"))
{
data.Add((byte)(Number >> 8));
data.Add((byte)(Number & 0xff));
}
if (Type.Equals("text") || Type.Equals("copyright") || Type.Equals("lyrics") || Type.Equals("marker") || Type.Equals("cue_marker"))
{
if (Text == null)
{
Text = "";
}
data.AddRange(MidiExport.Ascii.GetBytes(Text));
}
if (Type.Equals("track_name") || Type.Equals("instrument_name") || Type.Equals("device_name"))
{
data.AddRange(MidiExport.Ascii.GetBytes(Name));
}
if (Type.Equals("channel_prefix"))
{
data.Add((byte)Channel);
}
if (Type.Equals("midi_port"))
{
data.Add((byte)Port);
}
if (Type.Equals("set_tempo"))
{
//return [tempo >> 16, tempo >> 8 & 0xff, tempo & 0xff]
data.Add((byte)(Tempo >> 16));
data.Add((byte)((Tempo >> 8) & 0xff));
data.Add((byte)(Tempo & 0xff));
}
if (Type.Equals("time_signature"))
{
data.Add((byte)Numerator);
data.Add((byte)Math.Log(Denominator, 2));
data.Add((byte)ClocksPerClick);
data.Add((byte)Notated32NdNotesPerBeat);
}
if (Type.Equals("key_signature"))
{
data.Add((byte)(Key & 0xff));
data.Add(_isMajor ? (byte)0x00 : (byte)0x01);
}
int dataLength = data.Count;
data.InsertRange(0, MidiExport.EncodeVariableInt(dataLength));
data.Insert(0, _code);
data.Insert(0, 0xff);
return(data);
}
public List <byte> CreateBytes()
{
List <byte> data = new List <byte>();
byte runningStatusByte = 0x00;
bool statusByteSet = false;
foreach (MidiMessage message in Messages)
{
if (message.Time < 0)
{
message.Time = 0;
}
data.AddRange(MidiExport.EncodeVariableInt(message.Time));
if (message.Type.Equals("sysex"))
{
statusByteSet = false;
data.Add(0xf0);
data.AddRange(MidiExport.EncodeVariableInt(message.Data.Length + 1));
data.AddRange(message.Data);
data.Add(0xf7);
}
else
{
List <byte> raw = new List <byte>();
raw = message.CreateBytes();
byte temp = raw[0];
if (statusByteSet && !message.IsMeta && raw[0] < 0xf0 && raw[0] == runningStatusByte)
{
raw.RemoveAt(0);
data.AddRange(raw);
}
else
{
data.AddRange(raw);
}
runningStatusByte = temp;
statusByteSet = true;
}
}
return(MidiExport.WriteChunk("MTrk", data));
}
