private void loadNotes() {
int program = 0;
HashMap<Integer, Float> lastTimeNote = new HashMap<Integer, Float>();
HashMap<Float, Integer> secondsNotes = new HashMap<Float, Integer>();
this.notas = new ArrayList<MIDINote>();
for (Track track : sequencia.getTracks()) {
for (int c = 0; c < track.size(); ++c) {
MidiEvent event = track.get(c);
MidiMessage msg = event.getMessage();
if (msg instanceof ShortMessage) {
ShortMessage shortmsg = (ShortMessage) msg;
if (shortmsg.getCommand() == ShortMessage.PROGRAM_CHANGE) {
program = shortmsg.getData1();
} else {
// }else if(program>=25 && program <= 40){
// else if(program== 30){
if (shortmsg.getCommand() == ShortMessage.NOTE_ON) {
MIDINote midiNote = new MIDINote(event, sequencia, tempoProcessor, program);
// tocador.start();
int noteChord = midiNote.getChord();
float noteSecond = midiNote.getSecond();
if (!lastTimeNote.containsKey(noteChord)) {
lastTimeNote.put(noteChord, 0.0f);
}
if (noteSecond - lastTimeNote.get(noteChord).floatValue() <= this.interval) {
continue;
}
lastTimeNote.put(noteChord, noteSecond);
// System.out.println("Play chord "+noteChord+" in "+noteSecond+" seconds");
notas.add(midiNote);
if (!secondsNotes.containsKey(noteSecond)) {
secondsNotes.put(noteSecond, 1);
}
secondsNotes.put(noteSecond, secondsNotes.get(noteSecond).intValue() + 1);
}
}
}
}
}
// System.out.println("tamanho da pista "+notas.size()+" e track "+maxNote);
for (float second : secondsNotes.keySet()) {
int repeated = secondsNotes.get(second).intValue();
if (repeated > maxNote) {
this.maxNote = repeated;
}
}
this.notesLength = secondsNotes.size();
// GameEngine.getInstance().setFramesPerSecond((int)(((tocador.getMicrosecondLength()/1000000)/(notas.size()*1.0))*4000));
// System.out.println("(int)(("+sequencia.getMicrosecondLength()+"/1000000)/"+notas.size()+"="+(int)((sequencia.getMicrosecondLength()/1000000)/notas.size()))
}
private InputStream writeTrack(Track track, int type)
throws IOException, InvalidMidiDataException {
int bytesWritten = 0;
int lastBytesWritten = 0;
int size = track.size();
PipedOutputStream thpos = new PipedOutputStream();
DataOutputStream thdos = new DataOutputStream(thpos);
PipedInputStream thpis = new PipedInputStream(thpos);
ByteArrayOutputStream tdbos = new ByteArrayOutputStream();
tddos = new DataOutputStream(tdbos);
ByteArrayInputStream tdbis = null;
SequenceInputStream fStream = null;
long currentTick = 0;
long deltaTick = 0;
long eventTick = 0;
int runningStatus = -1;
// -----------------------------
// Write each event in the track
// -----------------------------
for (int i = 0; i < size; i++) {
MidiEvent event = track.get(i);
int status;
int eventtype;
int metatype;
int data1, data2;
int length;
byte data[] = null;
ShortMessage shortMessage = null;
MetaMessage metaMessage = null;
SysexMessage sysexMessage = null;
// get the tick
// $$jb: this gets easier if we change all system-wide time to delta ticks
eventTick = event.getTick();
deltaTick = event.getTick() - currentTick;
currentTick = event.getTick();
// get the status byte
status = event.getMessage().getStatus();
eventtype = getType(status);
switch (eventtype) {
case ONE_BYTE:
shortMessage = (ShortMessage) event.getMessage();
data1 = shortMessage.getData1();
bytesWritten += writeVarInt(deltaTick);
if (status != runningStatus) {
runningStatus = status;
tddos.writeByte(status);
bytesWritten += 1;
}
tddos.writeByte(data1);
bytesWritten += 1;
break;
case TWO_BYTE:
shortMessage = (ShortMessage) event.getMessage();
data1 = shortMessage.getData1();
data2 = shortMessage.getData2();
bytesWritten += writeVarInt(deltaTick);
if (status != runningStatus) {
runningStatus = status;
tddos.writeByte(status);
bytesWritten += 1;
}
tddos.writeByte(data1);
bytesWritten += 1;
tddos.writeByte(data2);
bytesWritten += 1;
break;
case SYSEX:
sysexMessage = (SysexMessage) event.getMessage();
length = sysexMessage.getLength();
data = sysexMessage.getMessage();
bytesWritten += writeVarInt(deltaTick);
// $$jb: 04.08.99: always write status for sysex
runningStatus = status;
tddos.writeByte(data[0]);
bytesWritten += 1;
// $$jb: 10.18.99: we don't maintain length in
// the message data for SysEx (it is not transmitted
// over the line), so write the calculated length
// minus the status byte
bytesWritten += writeVarInt((data.length - 1));
// $$jb: 10.18.99: now write the rest of the
// message
tddos.write(data, 1, (data.length - 1));
bytesWritten += (data.length - 1);
break;
case META:
metaMessage = (MetaMessage) event.getMessage();
length = metaMessage.getLength();
data = metaMessage.getMessage();
bytesWritten += writeVarInt(deltaTick);
// $$jb: 10.18.99: getMessage() returns the
// entire valid midi message for a file,
// including the status byte and the var-length-int
// length value, so we can just write the data
// here. note that we must _always_ write the
// status byte, regardless of runningStatus.
runningStatus = status;
tddos.write(data, 0, data.length);
bytesWritten += data.length;
break;
case IGNORE:
// ignore this event
break;
case ERROR:
// ignore this event
break;
default:
throw new InvalidMidiDataException("internal file writer error");
}
}
// ---------------------------------
// End write each event in the track
// ---------------------------------
// Build Track header now that we know length
thdos.writeInt(MTrk_MAGIC);
thdos.writeInt(bytesWritten);
bytesWritten += 8;
// Now sequence them
tdbis = new ByteArrayInputStream(tdbos.toByteArray());
fStream = new SequenceInputStream(thpis, tdbis);
thdos.close();
tddos.close();
return fStream;
}
