예제 #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;
  }
예제 #2
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 #3
0
  public boolean load(File file) {

    this.file = file;

    if (file != null && file.isFile()) {
      try {
        errStr = null;
        audioInputStream = AudioSystem.getAudioInputStream(file);

        fileName = file.getName();

        format = audioInputStream.getFormat();

      } catch (Exception ex) {
        reportStatus(ex.toString());
        return false;
      }
    } else {
      reportStatus("Audio file required.");
      return false;
    }

    numChannels = format.getChannels();
    sampleRate = (double) format.getSampleRate();
    sampleBitSize = format.getSampleSizeInBits();
    long frameLength = audioInputStream.getFrameLength();
    long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
    double audioFileDuration = milliseconds / 1000.0;

    if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
    else duration = audioFileDuration;

    frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);

    try {
      audioBytes = new byte[(int) frameLength * format.getFrameSize()];
      audioInputStream.read(audioBytes);
    } catch (Exception ex) {
      reportStatus(ex.toString());
      return false;
    }

    getAudioData();

    return true;
  }