예제 #1
0
  private boolean buildNoteSequence() {

    noteSequence = new NoteSequence();

    double quantizeBeatFactor = quantizeBeatSetting * 1000.0 * 60.0 / (double) getBPM();
    double quantizeDurationFactor = quantizeDurationSetting * 1000.0 * 60.0 / (double) getBPM();

    for (int i = 0; i < noteList.size(); i++) {
      noteListElement = noteList.get(i);

      if (noteListElement.underTone == true) {
        continue;
      }

      note = noteListElement.note;

      if (note < getLowPitch()) continue;
      if (note > getHighPitch()) continue;

      double startTime = (double) (noteListElement.startTime);

      if (quantizeBeatFactor != 0.0)
        startTime = Math.floor(startTime / quantizeBeatFactor) * quantizeBeatFactor;
      long startTick = 1 + (long) (startTime * getTickRate() / 1000.0);

      double endTime = (double) (noteListElement.endTime);

      if (quantizeBeatFactor != 0.0)
        endTime = Math.ceil(endTime / quantizeBeatFactor) * quantizeBeatFactor;
      if (quantizeDurationFactor != 0)
        endTime =
            startTime
                + (Math.ceil((endTime - startTime) / quantizeDurationFactor)
                    * quantizeDurationFactor);

      long endTick = 1 + (long) (endTime * getTickRate() / 1000.0);

      if ((endTick - startTick) < 1) endTick = startTick + 1;
      System.out.println(
          "times: " + startTime + ", " + endTime + ", " + getStartTime() + ", " + getEndTime());
      if (endTime < getStartTime()) continue;
      if (startTime > getEndTime()) continue;

      velocity = 64;
      noteSequence.add(new NoteSequenceElement(note, ON, startTick, velocity));
      noteSequence.add(new NoteSequenceElement(note, OFF, endTick, velocity));
    }

    if (noteSequence.size() == 0) {
      return false;
    } else {
      noteSequence.sort();
      return true;
    }
  }
예제 #2
0
  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;
  }