예제 #1
0
  // 取得音频样本
  private byte[] getAudioSamples(AudioInputStream MusicStream, AudioFormat format) {
    int AudioSampleLengh = (int) (MusicStream.getFrameLength() * format.getFrameSize());
    byte aAudioSamples[] = new byte[AudioSampleLengh];
    DataInputStream dataInputStream = new DataInputStream(MusicStream);

    try {
      dataInputStream.readFully(aAudioSamples);
    } catch (Exception e) {
      e.printStackTrace();
    }

    return aAudioSamples;
  }
예제 #2
0
 private void soundAbspielen(File sound) {
   if (!läuft) return;
   try {
     audioInputStream = AudioSystem.getAudioInputStream(sound);
     af = audioInputStream.getFormat();
     size = (int) (af.getFrameSize() * audioInputStream.getFrameLength());
     audio = new byte[size];
     info = new DataLine.Info(Clip.class, af, size);
     audioInputStream.read(audio, 0, size);
     clip = (Clip) AudioSystem.getLine(info);
     clip.open(af, audio, 0, size);
     clip.start();
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
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;
  }
예제 #4
0
  /** Loads a Sound from an AudioInputStream. */
  public Sound getSound(AudioInputStream audioStream) {
    if (audioStream == null) {
      return null;
    }

    // get the number of bytes to read
    int length = (int) (audioStream.getFrameLength() * audioStream.getFormat().getFrameSize());

    // read the entire stream
    byte[] samples = new byte[length];
    DataInputStream is = new DataInputStream(audioStream);
    try {
      is.readFully(samples);
      is.close();
    } catch (IOException ex) {
      ex.printStackTrace();
    }

    // return the samples
    return new Sound(samples);
  }