internal Iterator(FastList <T> ll)
{
_ilist = ll;
Reset();
}
public void ParseNextEvent(bool readOnly = false)
{
try
{
if (!readDelta)
{
trackTime += ReadVariableLen();
}
readDelta = false;
byte command = reader.Read();
if (command < 0x80)
{
reader.Pushback = command;
command = prevCommand;
}
prevCommand = command;
byte comm = (byte)(command & 0b11110000);
if (comm == 0b10010000)
{
byte channel = (byte)(command & 0b00001111);
byte note = reader.Read();
byte vel = reader.Read();
if (vel == 0)
{
if (!readOnly)
{
try
{
var q = UnendedNotes[note << 4 | channel];
var iter = q.Iterate();
Note n;
while (iter.MoveNext(out n))
{
n.end = trackTime;
n.hasEnded = true;
}
q.Unlink();
}
catch { }
}
}
else
{
Note n = new Note();
n.start = trackTime;
n.note = note;
n.track = this;
n.channel = channel;
n.vel = vel;
if (!readOnly)
{
if (UnendedNotes == null)
{
UnendedNotes = new FastList <Note> [256 * 16];
for (int i = 0; i < 256 * 16; i++)
{
UnendedNotes[i] = new FastList <Note>();
}
}
UnendedNotes[note << 4 | channel].Add(n);
globalDisplayNotes.Add(n);
}
}
}
else if (comm == 0b10000000)
{
int channel = command & 0b00001111;
byte note = reader.Read();
byte vel = reader.Read();
if (!readOnly)
{
try
{
var q = UnendedNotes[note << 4 | channel];
var iter = q.Iterate();
Note n;
while (iter.MoveNext(out n))
{
n.end = trackTime;
n.hasEnded = true;
}
q.Unlink();
}
catch { }
}
}
else if (comm == 0b10100000)
{
int channel = command & 0b00001111;
byte note = reader.Read();
byte vel = reader.Read();
}
else if (comm == 0b10100000)
{
int channel = command & 0b00001111;
byte number = reader.Read();
byte value = reader.Read();
}
else if (comm == 0b11000000)
{
int channel = command & 0b00001111;
byte program = reader.Read();
}
else if (comm == 0b11010000)
{
int channel = command & 0b00001111;
byte pressure = reader.Read();
}
else if (comm == 0b11100000)
{
int channel = command & 0b00001111;
byte l = reader.Read();
byte m = reader.Read();
}
else if (comm == 0b10110000)
{
int channel = command & 0b00001111;
byte cc = reader.Read();
byte vv = reader.Read();
}
else if (command == 0b11110000)
{
while (reader.Read() != 0b11110111)
{
;
}
}
else if (command == 0b11110100 || command == 0b11110001 || command == 0b11110101 || command == 0b11111001 || command == 0b11111101)
{
//printf("Undefined\n");
}
else if (command == 0b11110010)
{
int channel = command & 0b00001111;
byte ll = reader.Read();
byte mm = reader.Read();
}
else if (command == 0b11110011)
{
byte ss = reader.Read();
}
else if (command == 0b11110110)
{
}
else if (command == 0b11110111)
{
}
else if (command == 0b11111000)
{
}
else if (command == 0b11111010)
{
}
else if (command == 0b11111100)
{
}
else if (command == 0b11111110)
{
}
else if (command == 0xFF)
{
command = reader.Read();
if (command == 0x00)
{
if (reader.Read() != 2)
{
throw new Exception("Corrupt Track");
}
}
else if (command == 0x01)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x02)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x03)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x04)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x05)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x06)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x07)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x08)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x09)
{
int size = (int)ReadVariableLen();
char[] text = new char[size];
for (int i = 0; i < size; i++)
{
text[i] = (char)reader.Read();
}
string str = new string(text);
}
else if (command == 0x0A)
{
int size = (int)ReadVariableLen();
byte[] data = new byte[size];
for (int i = 0; i < size; i++)
{
data[i] = reader.Read();
}
if (data.Length == 8 || data.Length == 12)
{
if (data[0] == 0x00 &&
data[1] == 0x0F)
{
Color4 col1 = new Color4(data[4], data[5], data[6], data[7]);
Color4 col2;
if (data.Length == 12)
{
col2 = new Color4(data[8], data[9], data[10], data[11]);
}
else
{
col2 = col1;
}
if (data[2] < 0x10 || data[2] == 0x7F)
{
var c = new ColorChange()
{
pos = trackTime, col1 = col1, col2 = col2, channel = data[2], track = this
};
globalColorEvents.Add(c);
}
}
}
}
else if (command == 0x20)
{
command = reader.Read();
if (command != 1)
{
throw new Exception("Corrupt Track");
}
channelPrefix = reader.Read();
}
else if (command == 0x21)
{
command = reader.Read();
if (command != 1)
{
throw new Exception("Corrupt Track");
}
reader.Skip(1);
//TODO: MIDI port
}
else if (command == 0x2F)
{
command = reader.Read();
if (command != 0)
{
throw new Exception("Corrupt Track");
}
EndTrack();
}
else if (command == 0x51)
{
command = reader.Read();
if (command != 3)
{
throw new Exception("Corrupt Track");
}
int btempo = 0;
for (int i = 0; i != 3; i++)
{
btempo = (int)((btempo << 8) | reader.Read());
}
Tempo t = new Tempo();
t.pos = trackTime;
t.tempo = btempo;
//if (trackID <= 1)
{
if (!readOnly)
{
lock (globalTempoEvents)
{
globalTempoEvents.Add(t);
}
}
}
}
else if (command == 0x54)
{
command = reader.Read();
if (command != 5)
{
throw new Exception("Corrupt Track");
}
reader.Skip(4);
}
else if (command == 0x58)
{
command = reader.Read();
if (command != 4)
{
throw new Exception("Corrupt Track");
}
reader.Skip(4);
}
else if (command == 0x59)
{
command = reader.Read();
if (command != 2)
{
throw new Exception("Corrupt Track");
}
reader.Skip(2);
//TODO: Key Signature
}
else if (command == 0x7F)
{
int size = (int)ReadVariableLen();
byte[] data = new byte[size];
for (int i = 0; i < size; i++)
{
data[i] = reader.Read();
}
}
else
{
throw new Exception("Corrupt Track");
}
}
else
{
throw new Exception("Corrupt Track");
}
}