示例#1
0
  public boolean transform(ProgressListener progressListener) {

    toneMap = toneMapFrame.getToneMap();
    timeSet = toneMap.getTimeSet();
    pitchSet = toneMap.getPitchSet();
    timeRange = timeSet.getRange();
    pitchRange = pitchSet.getRange();

    pitchFreqSet = pitchSet.getFreqSet();
    audioFTPower = new double[timeRange * (pitchRange + 1)];

    int startSample = timeSet.getStartSample();
    int endSample = timeSet.getEndSample();
    int sampleLength = (int) Math.floor((endSample - startSample) / ((double) resolution));
    double[] audioSamples = new double[sampleLength];

    for (int i = 0; i < sampleLength; i++) {
      audioSamples[i] = (double) audioData[startSample + i * resolution];
    }

    int sampleIndexSize =
        (int) Math.floor((double) timeSet.getSampleIndexSize() / (double) resolution);

    double dt = (double) resolution / sampleRate;
    if (transformMode == TRANSFORM_MODE_JAVA) {
      wavelet.convert(
          audioFTPower,
          audioSamples,
          pitchFreqSet,
          dt,
          (double) pFactor,
          (double) tFactor,
          sampleIndexSize,
          sampleLength,
          pitchRange,
          progressListener);
    } else {

      WaveletJNI waveletJNI = new WaveletJNI();

      waveletJNI.waveletConvert(
          audioFTPower,
          audioSamples,
          pitchFreqSet,
          dt,
          (double) pFactor,
          (double) tFactor,
          sampleIndexSize,
          sampleLength,
          pitchRange,
          progressListener);
    }

    return true;
  }
示例#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;
  }