Anonymous

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 StuckPlay2 extends JFrame{	private static final int	EXTERNAL_BUFFER_SIZE = 128000;        private JButton openBtn, stopBtn, playBtn;        /*  final JButton stopBtn = new JButton("Pause");  final JButton playBtn = new JButton("Play");  final JButton openBtn = new JButton("Open");  final JButton resumeBtn = new JButton("Resume");  */        private Container container;        private BorderLayout layout;        private FlowLayout layout2;        private String strFilename;        private SourceDataLine line, liner;        PlayThread pT = new PlayThread();        AudioInputStream audioInputStream;        /**	 *	This variable is used to distinguish stopped state from	 *	paused state. In case of paused state, m_bRunning is still	 *	true. In case of stopped state, it is set to false. Doing so	 *	will terminate the thread.	 */	private boolean			pTRunning;        public StuckPlay2() {    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 );    //openBtn.addActionListener(this);    playBtn.addActionListener( handler );    stopBtn.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)	{        StuckPlay2 stuckPlay2 = new StuckPlay2();                  	}/////////       private class ButtonHandler implements ActionListener {        public void actionPerformed( ActionEvent event ) {          if ( event.getSource() == openBtn)     openFile( /*strFilename*/ );                        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 )public void playFile()    {    //line.start();    //PlayThread pT = new PlayThread();    pT.start();    //new PlayThread().start();        playBtn.setEnabled(false);      //              return liner = line;    }private void stopFile( /*SourceDataLine liner */){        //liner.stop();    pT.stop();    playBtn.setEnabled(true);}////////////////////////////class PlayThread implements Runnable{       /*    public PlayThread( String strFilename )    {                    }    */    Thread pbThread;            public void start() {            pbThread = new Thread(this);            pbThread.setName("PlaybackMonitor");            pbThread.start();                  }               public void run()    {        int nBytesRead = 0;        pTRunning = true;        byte[]	abData = new byte[EXTERNAL_BUFFER_SIZE];                        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();		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);			}		}                            }         public void pause()    {        line.stop();    }        public void stop()    {       line.stop();     }        }///////////////////////////	}