/**
* This method is called by the sound system when a meta event occurs. In this case, when the
* end-of-track meta event is received, the sequence is restarted if looping is on.
*
* @param event
*/
public void meta(MetaMessage event) {
if (event.getType() == END_OF_TRACK_MESSAGE) {
if (sequencer != null && sequencer.isOpen() && loop) {
sequencer.start();
}
}
}
public void meta(MetaMessage message) {
if (message.getType() == 47 && playState != PAUSED && sequence != null) {
midiEOM = true;
if (playState != STOPPED) {
sequencer.stop();
playState = EOM;
}
}
}
private static MidiEvent readEvent(
DataInputStream dataInputStream,
long[] alRemainingBytes,
int[] anRunningStatusByte,
long lTicks)
throws InvalidMidiDataException, IOException {
int nStatusByte = readUnsignedByte(dataInputStream, alRemainingBytes);
// TDebug.out("status byte: " + nStatusByte);
MidiMessage message = null;
boolean bRunningStatusApplies = false;
int nSavedByte = 0;
if (nStatusByte < 0x80) {
if (anRunningStatusByte[0] != -1) {
bRunningStatusApplies = true;
nSavedByte = nStatusByte;
nStatusByte = anRunningStatusByte[0];
} else {
throw new InvalidMidiDataException("corrupt MIDI file: status byte missing");
}
}
switch (getType(nStatusByte)) {
case STATUS_ONE_BYTE:
int nByte = 0;
if (bRunningStatusApplies) {
nByte = nSavedByte;
} else {
nByte = readUnsignedByte(dataInputStream, alRemainingBytes);
anRunningStatusByte[0] = nStatusByte;
}
ShortMessage shortMessage1 = new ShortMessage();
shortMessage1.setMessage(nStatusByte, nByte, 0);
message = shortMessage1;
break;
case STATUS_TWO_BYTES:
int nByte1 = 0;
if (bRunningStatusApplies) {
nByte1 = nSavedByte;
} else {
nByte1 = readUnsignedByte(dataInputStream, alRemainingBytes);
anRunningStatusByte[0] = nStatusByte;
}
int nByte2 = readUnsignedByte(dataInputStream, alRemainingBytes);
ShortMessage shortMessage2 = new ShortMessage();
shortMessage2.setMessage(nStatusByte, nByte1, nByte2);
message = shortMessage2;
break;
case STATUS_SYSEX:
if (CANCEL_RUNNING_STATUS_ON_META_AND_SYSEX) {
anRunningStatusByte[0] = -1;
}
int nSysexDataLength = (int) readVariableLengthQuantity(dataInputStream, alRemainingBytes);
byte[] abSysexData = new byte[nSysexDataLength];
for (int i = 0; i < nSysexDataLength; i++) {
int nDataByte = readUnsignedByte(dataInputStream, alRemainingBytes);
abSysexData[i] = (byte) nDataByte;
}
SysexMessage sysexMessage = new SysexMessage();
sysexMessage.setMessage(nStatusByte, abSysexData, nSysexDataLength);
message = sysexMessage;
break;
case STATUS_META:
if (CANCEL_RUNNING_STATUS_ON_META_AND_SYSEX) {
anRunningStatusByte[0] = -1;
}
int nTypeByte = readUnsignedByte(dataInputStream, alRemainingBytes);
int nMetaDataLength = (int) readVariableLengthQuantity(dataInputStream, alRemainingBytes);
byte[] abMetaData = new byte[nMetaDataLength];
for (int i = 0; i < nMetaDataLength; i++) {
int nDataByte = readUnsignedByte(dataInputStream, alRemainingBytes);
abMetaData[i] = (byte) nDataByte;
}
MetaMessage metaMessage = new MetaMessage();
metaMessage.setMessage(nTypeByte, abMetaData, nMetaDataLength);
message = metaMessage;
break;
default:
}
MidiEvent event = new MidiEvent(message, lTicks);
return event;
}