AudioPlayer.java 文件源码

public AudioPlayer(InputStream in, Listener listener) throws Exception {
    this.in = in;
    this.listener = listener;

    AudioFormat format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100.0F, 16, 2, 4, 44100.0F, true);
    line = AudioSystem.getSourceDataLine(format);
    line.open(format);
    LOG.debug("Opened line " + line);

    if (line.isControlSupported(FloatControl.Type.MASTER_GAIN)) {
        gainControl = (FloatControl) line.getControl(FloatControl.Type.MASTER_GAIN);
        setGain(DEFAULT_GAIN);
    }
    new AudioDataWriter();
}