/**
* Saves the MIDI data from a pattern into a file.
*
* @param pattern the pattern to save
* @param file the File to save the pattern to. Should include file extension, such as .mid
*/
public void saveMidi(Pattern pattern, File file) throws IOException {
Sequence sequence = getSequence(pattern);
int[] writers = MidiSystem.getMidiFileTypes(sequence);
if (writers.length == 0) return;
MidiSystem.write(sequence, writers[0], file);
}
/**
* Exports to a file.
*
* @param outputFileName The output file name
* @throws InvalidFileFormatException If the file name doesn't end in .mid or .midi
*/
public void exportToFile(String outputFileName) throws InvalidFileFormatException {
// Check for a valid file format.
if (!outputFileName.endsWith(".mid") && !outputFileName.endsWith(".midi")) {
String msg = "File names must end in .mid or .midi";
throw new InvalidFileFormatException(msg);
}
// Find a supported file type, and export the file.
int[] types = MidiSystem.getMidiFileTypes(sequence);
try {
File outputFile = new File(outputFileName);
MidiSystem.write(sequence, types[0], outputFile);
} catch (IOException ex) {
ex.printStackTrace();
System.exit(1);
}
}
public boolean saveMidiFile(File file) {
try {
int[] fileTypes = MidiSystem.getMidiFileTypes(sequence);
if (fileTypes.length == 0) {
System.out.println("Can't save sequence");
return false;
} else {
if (MidiSystem.write(sequence, fileTypes[0], file) == -1) {
throw new IOException("Problems writing to file");
}
return true;
}
} catch (SecurityException ex) {
ex.printStackTrace();
return false;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
private void process() throws InvalidMidiDataException, IOException, JAXBException {
Sequence orchestraSequence = MidiSystem.getSequence(inputFile);
Sequence masterSequence = new Sequence(Sequence.PPQ, resolution);
// the orchestra tracks
for (int i = 0; i < orchestraSequence.getTracks().length; i++) {
masterSequence =
TrackMerger.process(
masterSequence, orchestraSequence, new int[] {i}, -1, null, loggingHandler); //
}
// This is a hack....to make the track 0 as long as the whole sequence
double rawSeqLen = masterSequence.getTickLength();
double quarterLen = masterSequence.getResolution();
double barLen = 4 * quarterLen;
long fullSeqLen = (long) (barLen * (Math.ceil((rawSeqLen + quarterLen) / barLen)));
masterSequence.getTracks()[0].add(newEndOfTrackMessage(fullSeqLen));
// add track 5; the metronome track
masterSequence = MetronomeCreator.process(masterSequence, 0, loggingHandler);
System.out.println("** Track 0 length " + masterSequence.getTracks()[0].ticks());
System.out.println("** Sequence length " + masterSequence.getTickLength());
ChannelCleaner sequenceImporter = new ChannelCleaner(masterSequence, loggingHandler);
masterSequence = sequenceImporter.getResult();
// Write the file to disk
MidiSystem.write(masterSequence, 1, outputMidiFile);
System.out.println("############ Midi file is: " + outputMidiFile.getCanonicalPath());
// ----------------------------------------------------------------------------------------
// create the appropriate song object
Song songObject = new Song();
songObject.setName(description);
MasterTrack mastertrack = songObject.createMastertrack();
mastertrack.setSequencefile(outputMidiFile.getName());
mastertrack.setName(sequenceImporter.getTrackName(0));
mastertrack.setMidiTrackIndex(0);
mastertrack.setMidiChannel(sequenceImporter.getChannel(0));
// create a super track that will collect all orchestra tracs
MidiSynthesizerTrack orchestraSuperTrack = new MidiSynthesizerTrack();
orchestraSuperTrack.setName("Orchester");
mastertrack.addSubtrack(orchestraSuperTrack);
BuiltinSynthesizer OrchestraSynt = new BuiltinSynthesizer();
OrchestraSynt.setSoundbankfile("../Schickardt.sf2");
orchestraSuperTrack.setSynthesizer(OrchestraSynt);
// create a super track that will collect the voices tracs
MidiSynthesizerTrack voicesSuperTrack = new MidiSynthesizerTrack();
voicesSuperTrack.setName("Voices");
mastertrack.addSubtrack(voicesSuperTrack);
BuiltinSynthesizer voicesSynt = new BuiltinSynthesizer();
voicesSynt.setSoundbankfile("../StringPiano.sf2");
voicesSuperTrack.setSynthesizer(voicesSynt);
// link all the orchestra tracks
int orchestraBase = 1; // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
int orchestraEnd = 2; // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
for (int i = orchestraBase; i <= orchestraEnd; i++) {
MidiTrack songTrack = new MidiTrack();
songTrack.setName(sequenceImporter.getTrackName(i));
songTrack.setMidiTrackIndex(i);
songTrack.setMidiChannel(sequenceImporter.getChannel(i));
songTrack.setInstrumentDescription(sequenceImporter.getInstrumentDescription(i));
orchestraSuperTrack.addSubtrack(songTrack);
}
MidiTrack newSongTrack;
int voiceBase = 3;
// -- Diskant
newSongTrack = new MidiTrack();
newSongTrack.setName("Flute 1");
newSongTrack.setMidiTrackIndex(voiceBase);
newSongTrack.setMidiChannel(0);
newSongTrack.setInstrumentDescription("Piano");
newSongTrack.setMute(true);
voicesSuperTrack.addSubtrack(newSongTrack);
// -- Bass
voiceBase++; // 4
newSongTrack = new MidiTrack();
newSongTrack.setName("Flute 2");
newSongTrack.setMidiTrackIndex(voiceBase);
newSongTrack.setMidiChannel(1);
newSongTrack.setInstrumentDescription("Piano");
newSongTrack.setMute(true);
voicesSuperTrack.addSubtrack(newSongTrack);
// -- Metronome
voiceBase++; // 5
newSongTrack = new MidiTrack();
newSongTrack.setName("Metronome");
newSongTrack.setMidiTrackIndex(voiceBase);
newSongTrack.setMidiChannel(9);
newSongTrack.setInstrumentDescription("Metronome");
newSongTrack.setMute(true);
voicesSuperTrack.addSubtrack(newSongTrack);
songObject.marshal(new FileOutputStream(outputSongFile));
System.out.println("############ Song file is: " + outputSongFile.getCanonicalPath());
}
/**
* Scrive il brano in un file midi.
*
* @param path il percorso del file.
* @throws IOException se ci sono errori di I/O.
*/
public void scrivi(final String path) throws IOException {
MidiSystem.write(sequence, 1, new File(path));
}
