public void go() { setUpGui(); try { Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); // make a sequencer and open sequencer.addControllerEventListener(m1, new int[] {127}); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); int r = 0; for (int i = 0; i < 300; i += 4) { r = (int) ((Math.random() * 50) + 1); track.add(makeEvent(144, 1, r, 100, i)); track.add(makeEvent(176, 1, 127, 0, i)); track.add(makeEvent(128, 1, r, 100, i + 2)); } // end loop sequencer.setSequence(seq); sequencer.start(); sequencer.setTempoInBPM(120); } catch (Exception ex) { ex.printStackTrace(); } } // close method
public Sequence getSequence(InputStream inputStream) throws InvalidMidiDataException, IOException { MidiFileFormat midiFileFormat = getMidiFileFormat(inputStream); Sequence sequence = new Sequence(midiFileFormat.getDivisionType(), midiFileFormat.getResolution()); DataInputStream dataInputStream = new DataInputStream(inputStream); int nNumTracks = ((TMidiFileFormat) midiFileFormat).getTrackCount(); for (int nTrack = 0; nTrack < nNumTracks; nTrack++) { Track track = sequence.createTrack(); readTrack(dataInputStream, track); } return sequence; }
public void go() { try { sq.open(); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); track.add(addNote(144, 9, 56, 100, 1)); track.add(addNote(128, 9, 56, 100, 4)); sq.setSequence(seq); sq.setTempoInBPM(tempo); sq.setLoopCount(Sequencer.LOOP_CONTINUOUSLY); sq.start(); } catch (Exception ex) { ex.printStackTrace(); } }
/** * Import a song into the MidiExporter to play or export. * * @param song The Song to convert to MIDI */ public void importSong(Song song) { // Fetch important data from the song. // Meaning, metadata and the song itself. Beat[] beats = song.getBeatArray(); this.song = song; // Create a track for each voice. int numVoices = song.getNumVoices(); for (int voiceCount = 0; voiceCount < numVoices; voiceCount++) { sequence.createTrack(); } // Iterate through each beat, adding each note to the corresponding // track. Track[] tracks = sequence.getTracks(); for (int beat = 0; beat < beats.length; beat++) { Note[] firstHalf = beats[beat].getNotesFirstHalf(); Note[] secondHalf = beats[beat].getNotesSecondHalf(); // Iterate through each note in the beat, adding it to the // corresponding track. for (int note = 0; note < firstHalf.length; note++) { if (firstHalf[note] == secondHalf[note]) { createNote(firstHalf[note], 2 * beat, 2, tracks[note]); } else { createNote(firstHalf[note], 2 * beat, 1, tracks[note]); createNote(secondHalf[note], 2 * beat + 1, 1, tracks[note]); } // if/else } // for } // for try { setUpSequencer(); } catch (MidiUnavailableException ex) { System.out.println("Unable to set up sequencer"); // do nothing } }
public boolean writeSequence(NoteList noteList) { this.noteList = noteList; toneMap = toneMapFrame.getToneMap(); timeSet = toneMap.getTimeSet(); pitchSet = toneMap.getPitchSet(); timeRange = timeSet.getRange(); pitchRange = pitchSet.getRange(); if (!buildNoteSequence()) return false; try { sequence = new Sequence(Sequence.PPQ, 10); } catch (Exception ex) { ex.printStackTrace(); return false; } track = sequence.createTrack(); startTime = System.currentTimeMillis(); // add a program change right at the beginning of // the track for the current instrument createEvent(PROGRAM, cc.program + 1, 1); for (int i = 0; i < noteSequence.size(); i++) { noteSequenceElement = noteSequence.get(i); if (noteSequenceElement.state == ON) if (!createEvent(NOTEON, noteSequenceElement.note, noteSequenceElement.tick)) return false; if (noteSequenceElement.state == OFF) if (!createEvent(NOTEOFF, noteSequenceElement.note, noteSequenceElement.tick)) return false; } return true; }