Something

import java.io.File;import java.io.IOException;import javax.sound.sampled.AudioFormat;import javax.sound.sampled.AudioInputStream;import javax.sound.sampled.AudioSystem;import javax.sound.sampled.LineUnavailableException;import javax.sound.sampled.SourceDataLine;import javax.sound.sampled.DataLine;import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.io.*;import javax.sound.sampled.*;public class StuckPlayButton extends JFrame{	private static final int	EXTERNAL_BUFFER_SIZE = 128000;        private JButton openBtn, stopBtn, playBtn;        private Container container;        private BorderLayout layout;        private FlowLayout layout2;        private String strFilename;        private SourceDataLine liner;                 public StuckPlayButton() {    super("GUI for Decoding Audio...we shall see...");        container = getContentPane();        layout = new BorderLayout();               openBtn = new JButton("Open");    stopBtn = new JButton("Stop");    playBtn = new JButton("Playback");    openBtn.setEnabled(true);    stopBtn.setEnabled(true);    playBtn.setEnabled(true);        ButtonHandler handler = new ButtonHandler();    openBtn.addActionListener( handler );    stopBtn.addActionListener( handler );    playBtn.addActionListener( handler );            container.add(openBtn, BorderLayout.NORTH);    container.add(playBtn, BorderLayout.CENTER);    container.add(stopBtn, BorderLayout.PAGE_END);               setSize(250,170);    setVisible(true);        setDefaultCloseOperation(                        EXIT_ON_CLOSE);}public static void main(String[] args)	{        StuckPlayButton stuckPlay = new StuckPlayButton();                  	}/////////       private class ButtonHandler implements ActionListener {        public void actionPerformed( ActionEvent event ) {     if (event.getSource() == openBtn )     openFile();          else if ( event.getSource() == playBtn)     playFile( strFilename );          else if ( event.getSource() == stopBtn)     stopFile( liner );        } } /////////          private String openFile()    {        JFileChooser fileChooser = new JFileChooser();        fileChooser.setFileSelectionMode( JFileChooser.FILES_ONLY);        int result = fileChooser.showOpenDialog( this );            if(result == JFileChooser.APPROVE_OPTION) {        JOptionPane.showMessageDialog( null,                    "You pressed selected OKAY, the name is: " + fileChooser.getSelectedFile().getName() ); }                                        else if ( result == JFileChooser.CANCEL_OPTION)                    {           //!???!fix this shit return;                    }                String fileNamer = fileChooser.getSelectedFile().getAbsolutePath();             return strFilename = fileNamer;    }         private SourceDataLine playFile( String strFilename ){    playBtn.setEnabled(false);                    File file = new File (strFilename);                byte[]	abData = new byte[EXTERNAL_BUFFER_SIZE];		AudioInputStream	audioInputStream = null;                try		{			audioInputStream = AudioSystem.getAudioInputStream(file);		}		catch (Exception e)		{			e.printStackTrace();		}                if (audioInputStream == null)		{			out("###  cannot read input file: " + strFilename);		}                AudioFormat	sourceFormat = audioInputStream.getFormat();		AudioFormat.Encoding	targetEncoding = AudioFormat.Encoding.PCM_SIGNED;		audioInputStream = AudioSystem.getAudioInputStream(targetEncoding, audioInputStream);		AudioFormat	audioFormat = audioInputStream.getFormat();		SourceDataLine	line = null;		DataLine.Info	info = new DataLine.Info(			SourceDataLine.class,			audioFormat);                System.out.println("sourceFormat: " + sourceFormat + "\n");//shows SOURCE eg: mp3/speex/wav/etc.                System.out.println("audioFormat: " + audioFormat + "\n");////added this shows that while "opening and mp3",                //                               the actual AudioFormat being played back is PCM(at least on windows)                try		{			line = (SourceDataLine) AudioSystem.getLine(info);			line.open(audioFormat);		}		catch (LineUnavailableException e)		{			e.printStackTrace();		}		catch (Exception e)		{			e.printStackTrace();		}		line.start();		int	nBytesRead = 0;                while (nBytesRead != -1)		{			try			{				nBytesRead = audioInputStream.read(abData, 0, abData.length);			}			catch (IOException e)			{				e.printStackTrace();			}			if (nBytesRead >= 0)			{				int	nBytesWritten = line.write(abData, 0, nBytesRead);			}		}                                return liner = line;    }private void stopFile( SourceDataLine liner ){    			liner.stop();		}	private static void out(String strMessage)	{		System.out.println(strMessage);	}	}