示例#1
0
  public boolean play() {

    try {
      if (playState != STOPPED) playStop();

      if (audioBytes == null) return false;

      DataLine.Info info = new DataLine.Info(Clip.class, format);

      clip = (Clip) AudioSystem.getLine(info);
      clip.addLineListener(new ClipListener());

      long clipStart = (long) (audioBytes.length * getStartTime() / (getDuration() * 1000.0));
      long clipEnd = (long) (audioBytes.length * getEndTime() / (getDuration() * 1000.0));
      if ((clipEnd - clipStart) > MAX_CLIP_LENGTH) clipEnd = clipStart + MAX_CLIP_LENGTH;
      byte[] clipBytes = new byte[(int) (clipEnd - clipStart)];
      System.arraycopy(audioBytes, (int) clipStart, clipBytes, 0, clipBytes.length);
      clip.open(format, clipBytes, 0, clipBytes.length);

      FloatControl panControl = (FloatControl) clip.getControl(FloatControl.Type.PAN);

      panControl.setValue((float) panSetting / 100.0f);

      double value = (double) gainSetting;

      FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
      float dB = (float) (Math.log(value == 0.0 ? 0.0001 : value) / Math.log(10.0) * 20.0);
      gainControl.setValue(dB);
      double playStartTime = (player.getSeekTime() / 100) * (playGetLength());
      clip.setMicrosecondPosition((long) playStartTime);

      clip.start();

      playState = PLAYING;

      return true;

    } catch (Exception ex) {
      ex.printStackTrace();
      playState = STOPPED;
      clip = null;
      return false;
    }
  }
示例#2
0
 private static void playWav(String name, boolean loop, double volume)
     throws FileNotFoundException, IOException, UnsupportedAudioFileException,
         LineUnavailableException {
   AudioInputStream ais = AudioSystem.getAudioInputStream(new File(path + name));
   Clip clip = AudioSystem.getClip();
   clip.open(ais);
   if (loop) {
     clip.loop(-1);
   }
   ((FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN))
       .setValue((float) (Math.log(volume) / Math.log(10.) * 20.));
   clip.start();
   wavMap.put(name, clip);
   //        // open the sound file as a Java input stream
   //        InputStream in = new FileInputStream(path + name);
   //        // create an audiostream from the inputstream
   //        AudioStream audioStream = new AudioStream(in);
   //        // play the audio clip with the audioplayer class
   //        AudioPlayer.player.start(audioStream);
   //        wavMap.put(name, audioStream);
 }
示例#3
0
 public void setVolume(float volume) {
   gain = (FloatControl) audio.getControl(FloatControl.Type.MASTER_GAIN);
   gain.setValue(volume);
 }