Play audio from internet -http connection-
Hi friends,
I have made an audio player using jmf as part of my project.It can play files from local machine as well as local network in my company. But i don't know how to play audio files like wav,mp3 from internet using http connection as described by tristanlee85. Can anyone explain me how to accomplish this.
The code where i tried to
access http connection is given below.
But it is not working.I know Streaming is necessary. But how to do it in jmf. What imports are needed.Please guide me
Manu
import javax.media.*;
import java.text.DecimalFormat;
import java.awt.*;
import java.awt.FileDialog;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.io.*;
import java.net.*;
import java.util.*;
<APPLET CODE=PlayerApplet.class
WIDTH=320 HEIGHT=300>
</APPLET>
class nwa extends WindowAdapter
frameclass frame;
Player player;
public nwa(frameclass frame,Player player)
this.player=player;
this.frame=frame;
public void windowClosing (WindowEvent e)
//User selected close from System menu.
//Call dispose to invoke windowClosed.
frame.dispose ();
public void windowClosed (WindowEvent e)
if (player != null)
player.stop();
player.close ();
player.deallocate();
System.exit (0);
class frameclass extends JFrame
Player player;
frameclass(Player player)
nwa n=new nwa(this,player);
this.addWindowListener(n);
public class PlayerApplet extends JApplet
implements ActionListener,ControllerListener,ItemListener, KeyListener
Player player=null;
frameclass frame=new frameclass(player);
Component vc, cc;
Container f;
JProgressBar volumeBar;
JButton fastRewind;
JButton fastForward;
JButton play;
int sizeIncrease = 2;
boolean invokedStop = false;
/** Big */
int progressFontSize=30;
boolean first = true, loop = false;
String currentDirectory;
public void init()
f=frame.getContentPane();
JMenu m = new JMenu ("File");
JMenuItem mi = new JMenuItem ("Open...");
mi.addActionListener (this);
m.add (mi);
m.addSeparator ();
mi = new JMenuItem ("URL");
mi.addActionListener (this);
m.add (mi);
m.addSeparator ();
JCheckBoxMenuItem cbmi = new JCheckBoxMenuItem ("Loop", false);
cbmi.addItemListener (this);
m.add (cbmi);
m.addSeparator ();
mi = new JMenuItem ("Exit");
mi.addActionListener (this);
m.add (mi);
JMenuBar mb = new JMenuBar ();
mb.add (m);
frame.setJMenuBar (mb);
setSize (500, 500);
JPanel p = new JPanel(new GridLayout(1,0,5,5));
p.setBorder(new EmptyBorder(3,5,5,5) );
fastRewind = new JButton("<html><body><font size=+"+ sizeIncrease+ "><<");
fastRewind.setToolTipText("Fast Rewind");
fastRewind.addActionListener( new ActionListener(){
public void actionPerformed(ActionEvent ae) {
if (player!=null) {
invokedStop = false;
skipBack();
} else {
JOptionPane.showMessageDialog(play,
new JLabel("Open a sound file first!"));
fastRewind.addKeyListener(this);
p.add(fastRewind);
JButton stop = new JButton("<html><body><font size=+"+ sizeIncrease+ ">��");
stop.setToolTipText("Stop");
stop.addActionListener( new ActionListener(){
public void actionPerformed(ActionEvent ae) {
invokedStop = true;
sp();
stop.addKeyListener(this);
p.add(stop);
play = new JButton("<html><body><font size=+"+ sizeIncrease+ ">>");
play.setToolTipText("Play");
play.addActionListener( new ActionListener()
public void actionPerformed(ActionEvent ae) {
if (player!=null) {
invokedStop = false;
player.setRate(1);
st();
} else {
JOptionPane.showMessageDialog(play,
new JLabel("Open a sound file first!"));
play.addKeyListener(this);
p.add(play);
fastForward = new JButton("<html><body><font size=+"+ sizeIncrease+ ">>>");
fastForward.setToolTipText("Fast Forward");
fastForward.addActionListener( new ActionListener(){
public void actionPerformed(ActionEvent ae) {
if (player!=null) {
invokedStop = false;
skipForward();
} else {
JOptionPane.showMessageDialog(play,
new JLabel("Open a sound file first!"));
fastForward.addKeyListener(this);
p.add(fastForward);
frame.getContentPane().add(p,BorderLayout.CENTER);
frame.setVisible (true);
frame.pack();
frame.setResizable(false);
public void stop(){
sp();
public void destroy(){
player.stop();
player.deallocate();
public void actionPerformed (ActionEvent e)
if (e.getActionCommand().equals("Exit"))
// Call dispose to invoke windowClosed.
player.stop();
player.close();
player.deallocate();
frame.dispose ();
return;
// Play file from local machine
if (e.getActionCommand().equals("Open..."))
FileDialog fd = new FileDialog (frame, "Open File",
FileDialog.LOAD);
fd.setDirectory (currentDirectory);
fd.show ();
// If user cancelled, exit.
if (fd.getFile() == null)
return;
currentDirectory = fd.getDirectory ();
if (player != null){
player.close ();
player.deallocate();
try
player = Manager.createPlayer (new MediaLocator
("file:" +
fd.getDirectory() +
fd.getFile()));
catch (java.io.IOException e2)
System.out.println ("file not found :"+e2);
return;
catch (NoPlayerException e2)
System.out.println ("Could not find a player.");
return;
if (player == null)
System.out.println ("Trouble creating a player.");
return;
first = false;
frame.setTitle (fd.getFile ().toString());
player.addControllerListener (this);
player.prefetch ();
return;
// Play file from internet
if (e.getActionCommand().equals("URL"))
if (player != null){
player.close ();
player.deallocate();
try
URL url = new URL ("http://www.plastikhosting.net/uploads/tristanlee85/music/02-hellyeah-you_wouldnt_know.mp3");
MediaLocator mediaLocator = new MediaLocator (url);
player = Manager.createPlayer (mediaLocator);
catch (java.io.IOException e2)
System.out.println ("file not found :"+e2);
return;
catch (NoPlayerException e2)
System.out.println ("Could not find a player.");
return;
if (player == null)
System.out.println ("Trouble creating a player.");
return;
first = false;
player.addControllerListener (this);
player.prefetch ();
player.start ();
return;
public void controllerUpdate (ControllerEvent e)
if (e instanceof ControllerClosedEvent)
if (vc != null)
frame.getContentPane().remove (vc);
vc = null;
if (cc != null)
frame.getContentPane().remove (cc);
cc = null;
return;
if (e instanceof EndOfMediaEvent)
if (loop)
player.setMediaTime (new Time (0));
player.start ();
return;
if (e instanceof PrefetchCompleteEvent)
player.start();
return;
if (e instanceof RealizeCompleteEvent)
if (vc != null)
remove (vc);
vc = null;
if (cc != null)
remove (cc);
cc = null;
vc = player.getVisualComponent ();
if (vc != null)
frame.getContentPane().add(vc,BorderLayout.NORTH);
cc = player.getControlPanelComponent ();
if (cc != null){
frame.getContentPane().add (cc, BorderLayout.SOUTH);
frame.setVisible(true);
frame.pack();
return;
public void keyReleased(KeyEvent ke) {
public void keyTyped(KeyEvent ke) {
/*public void keyReleased(KeyEvent ke) {
int keycode = ke.getKeyCode();
if (keycode==KeyEvent.VK_LEFT) {
skipBack();
} else if (keycode==KeyEvent.VK_RIGHT) {
skipForward();
/*public void keyTyped(KeyEvent ke) {
int keycode = ke.getKeyCode();
if (keycode==KeyEvent.VK_LEFT) {
skipBack();
} else if (keycode==KeyEvent.VK_RIGHT) {
skipForward();
public void keyPressed(KeyEvent ke) {
int keycode = ke.getKeyCode();
if (keycode==KeyEvent.VK_LEFT) {
skipBack();
} else if (keycode==KeyEvent.VK_RIGHT) {
skipForward();
}else if (keycode==KeyEvent.VK_UP) {
st();
}else if (keycode==KeyEvent.VK_DOWN) {
sp();
public void skipForward() {
Time settime;
double secs=5;
double playersecs = player.getMediaTime().getSeconds();
double duration = player.getDuration().getSeconds();
if((playersecs+secs) < duration){
settime = new javax.media.Time(playersecs + secs);
player.setMediaTime(settime);
}else {
player.setMediaTime(new Time(duration));
public void skipBack() {
double secs1=5;
double secs2=0;
double playersecs1 = player.getMediaTime().getSeconds();
Time settime1;
if((playersecs1 - secs1) > secs2){
settime1 = new javax.media.Time(playersecs1 - secs1);
player.setMediaTime(settime1);
}else {
player.setMediaTime(new Time(0));
public void st() {
player.start();
public void sp() {
player.stop();
public void itemStateChanged (ItemEvent e)
loop = !loop;
}
Thank u Thompson For your kind reply. I got the problem solved. It was the the problem of Untrusted Applet as u said.Now i Have signed my applet and this appletplayer plays audio only from the server from where this applet comes and from the localmachine also.Now it is playing fine from the server.
But i have another problem , If i am asking that in the wrong forum plz forgive, I will ask it it in applet forum also.
Problem is , I have implemented a joystick with this player. The idea is to combine this player with a text editor so that user can hear audio at the same time he can type in the editor what he hear and he can rewind and forward using joystick(It is actually a footswitch controller) with his leg. This driver i got from Source forgenet works fine in my localmachine and localnetwork also.But i have to install .DLL file in every client machine. This should be avoided.When a client having no jmf and joystick in his machine tries to run this applet through the browser the required Joystick driver and jmf must be installed in client computer also.
By signing the applet and using ARCHIVE keyword i think jmf part will be ok but what about joystick driver.How i could install it in client machine.Playerapplet throws jjstck.dll not found exception
plz guide me
manu
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