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/**
* @(#)Framework.java
*
*
* @author
* @version 1.00 2010/1/3
*/
import java.io.File;
import javax.swing.JLabel;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;
import javax.swing.event.MouseInputAdapter;
import javax.swing.event.*;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.*;
import javax.swing.SwingUtilities;
import javax.swing.filechooser.*;
import javax.swing.JSlider;
import javax.swing.JOptionPane;
import java.io.*;
import javax.sound.sampled.*;
import java.awt.*;
import java.awt.event.*;
/* Framework.java requires no other files. */
public class Framework extends WindowAdapter {
public int numWindows = 0;
private Point lastLocation = null;
private int maxX = 500;
private int maxY = 500;
public Framework() {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
maxX = screenSize.width - 50;
maxY = screenSize.height - 50;
makeNewWindow();
}
public void makeNewWindow() {
JFrame frame = new MyFrame(this);
numWindows++;
System.out.println("Number of windows: " + numWindows);
if (lastLocation != null) {
//Move the window over and down 40 pixels.
lastLocation.translate(40, 40);
if ((lastLocation.x > maxX) || (lastLocation.y > maxY)) {
lastLocation.setLocation(0, 0);
}
frame.setLocation(lastLocation);
} else {
lastLocation = frame.getLocation();
}
System.out.println("Frame location: " + lastLocation);
frame.setVisible(true);
}
//This method must be evoked from the event-dispatching thread.
public void quit(JFrame frame) {
if (quitConfirmed(frame)) {
System.out.println("Quitting.");
System.exit(0);
}
System.out.println("Quit operation not confirmed; staying alive.");
}
public void windowClosed(WindowEvent e) {
numWindows--;
System.out.println("Number of windows = " + numWindows);
if (numWindows <= 0) {
System.out.println("All windows gone. Bye bye!");
System.exit(0);
}
}
private boolean quitConfirmed(JFrame frame) {
String s1 = "Quit";
String s2 = "Cancel";
Object[] options = {s1, s2};
int n = JOptionPane.showOptionDialog(frame,
"Vous voulez vraiment Quiter?",
"Quit Confirmation",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
options,
s1);
if (n == JOptionPane.YES_OPTION) {
return true;
} else {
return false;
}
}
/**
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event-dispatching thread.
*/
private static void createAndShowGUI() {
Framework framework = new Framework();
}
public static void main(String[] args) {
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
class MyFrame extends JFrame implements ActionListener {
protected Dimension defaultSize = new Dimension(900, 600);
protected Framework framework = null;
private JLabel l1;
private JButton b_play;
private JButton b_stop;
private JButton b_ouvrir;
private JCheckBox ch5;
private File fichier = null;
private AudioFormat format;
private byte[] samples;
private JFileChooser jfc = new JFileChooser();
JFileChooser fc;
public void sound()
{
try
{
AudioInputStream stream = AudioSystem.getAudioInputStream(this.fichier);
this.format = stream.getFormat();
this.getSamples(stream);
}
catch (Exception e){}
}
public void getSamples(AudioInputStream stream)
{
int length = (int)(stream.getFrameLength() * format.getFrameSize());
this.samples = new byte[length];
DataInputStream in = new DataInputStream(stream);
try
{
in.readFully(this.samples);
}
catch (IOException e){}
}
public byte[] getSamples()
{
return this.samples;
}
public void play(InputStream source)
{
// 100 ms buffer for real time change to the sound stream
int bufferSize = this.format.getFrameSize() * Math.round(this.format.getSampleRate() / 10);
byte[] buffer = new byte[bufferSize];
SourceDataLine line;
try
{
DataLine.Info info = new DataLine.Info(SourceDataLine.class, this.format);
line = (SourceDataLine)AudioSystem.getLine(info);
line.open(this.format, bufferSize);
line.start();
int numBytesRead = 0;
while (numBytesRead != -1)
{
numBytesRead = source.read(buffer, 0, buffer.length);
if (numBytesRead != -1)
line.write(buffer, 0, numBytesRead);
}
line.drain();
line.close();
}
catch (Exception e){}
}
public void ouvrir()
{
this.jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
this.jfc.addChoosableFileFilter(new FiltreExtension(".wav", "Fichier wav"));
this.jfc.addChoosableFileFilter(new FiltreExtension(".wav", "Fichier wav"));
int returnVal = this.jfc.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION)
{
this.fichier = this.jfc.getSelectedFile();
}
}
private class Lecture
extends Thread
{
public void run()
{
play(new ByteArrayInputStream(getSamples()));
}
}
public MyFrame(Framework controller) {
super("Traitement Numérique de signal ");
framework = controller;
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
addWindowListener(framework);
setLocation(50,50);
setLayout(new BorderLayout());
JPanel p2 =new JPanel();
b_ouvrir = new JButton("Ouvrir");
p2.add(b_ouvrir);
this.b_ouvrir.addActionListener(this);
JLabel l1=new JLabel("***son***");
p2.add(l1);
b_play = new JButton("Play");
p2.add(b_play);
this.b_play.addActionListener(this);
b_stop = new JButton("Stop");
p2.add(b_stop);
this.b_stop.addActionListener(this);
JLabel l2=new JLabel("***visualiser signal***");
p2.add(l2);
JButton b5 = new JButton("play");
p2.add(b5);
JButton b7 = new JButton("stop");
p2.add(b7);
JButton b4 = new JButton("Spectr");
p2.add(b4);
JButton b6 = new JButton("EXIT");
p2.add(b6);
b6.addActionListener(new ActionListener() {//exit
public void actionPerformed(ActionEvent e) {
System.exit(0);
}});
add("North",p2);
JPanel p1=new JPanel();
p1.setLayout(new BorderLayout());
JPanel p3=new JPanel();
JCheckBox ch5= new JCheckBox("son");
p3.add(ch5);
JButton b10 = new JButton("fiche signal");
b10.setBounds(0,10,10,10);
p3.add(b10);
JButton b11 = new JButton("view");
b11.setBounds(0,110,10,10);
p3.add(b11);
p1.setBounds(0,100,100,100);
p1.add("North",p3);
add("West",p1);
Canvas c = new EssaiCanvas();
c.setBackground(Color.black);
add("Center",c);
/* JPanel p4=new JPanel();
JLabel lz= new JLabel("zoum en amplitude");
p4.add(lz);
JSlider s3=new JSlider();
s3.setBounds(0,10,10,10);
p4.add(s3);
add("South",p4);*/
JMenu menu = new JMenu("File");
menu.setMnemonic(KeyEvent.VK_W);
JMenuItem item = null;
//close
item = new JMenuItem("Close");
item.setMnemonic(KeyEvent.VK_C);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Close window");
MyFrame.this.setVisible(false);
MyFrame.this.dispose();
}
});
menu.add(item);
//new
item = new JMenuItem("New");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("New window");
framework.makeNewWindow();
}
});
menu.add(item);
//open
item = new JMenuItem("Open");
item.setMnemonic(KeyEvent.VK_N);
menu.add(item);
//Enregistrer..
item = new JMenuItem("Save..");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser fc=new JFileChooser();
fc.showSaveDialog(MyFrame.this);
}
});
menu.add(item);
//Enregistrer sous
item = new JMenuItem("Save as...");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser fc=new JFileChooser();
fc.showSaveDialog(MyFrame.this);
}
});
menu.add(item);
//Import un siganl wav ou mp3
item = new JMenuItem("Importer un signal..");
item.setMnemonic(KeyEvent.VK_N);
menu.add(item);
//quit
item = new JMenuItem("Quit");
item.setMnemonic(KeyEvent.VK_Q);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Quit request");
framework.quit(MyFrame.this);
}
});
menu.add(item);
JMenuBar menuBar = new JMenuBar();
menuBar.add(menu);
setJMenuBar(menuBar);
setSize(defaultSize);
JMenu menu1 = new JMenu("Edit");
menu.setMnemonic(KeyEvent.VK_W);
// selection
item = new JMenuItem("Select....");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Edit");
}
});
menu1.add(item);
// Cut
item = new JMenuItem("Cut");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Copier");
}
});
menu1.add(item);
// Copier
item = new JMenuItem("Copie");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Copier");
}
});
menu1.add(item);
//coller
item = new JMenuItem("Paste");
item.setMnemonic(KeyEvent.VK_N);
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Coller");
}
});
menu1.add(item);
menuBar.add(menu1);
setJMenuBar(menuBar);
JMenu menu2 = new JMenu("Aide");
menu.setMnemonic(KeyEvent.VK_W);
// Aide
item = new JMenuItem("Aide");
item.setMnemonic(KeyEvent.VK_N);
menu2.add(item);
menuBar.add(menu2);
setJMenuBar(menuBar);
}
public void actionPerformed(ActionEvent e){
Lecture t = new Lecture();
if(e.getSource().equals(this.b_ouvrir))
{
this.ouvrir();
}
if(e.getSource().equals(this.b_play))
{
if(this.fichier == null)
{
this.ouvrir();
this.sound();
t.start();
}
else
{
this.sound();
t.start();
}
}
if(e.getSource().equals(this.b_stop)&&this.fichier!=null)
{
this.sound();
t.stop();
}
}
}
class EssaiCanvas extends Canvas {
public void paint (Graphics g){
int x1;
int y1;
int x2;
int y2;
g.setColor( Color.white );
g.drawLine(700,160,00,160);
g.drawString("0",22,160);
g.setColor( Color.white );
g.drawLine(700,350,00,350);
g.setColor( Color.white );
g.drawString("0",22,345);
g.drawLine(20,00,20,700);
g.drawString("temps",620,180);
g.drawString("temps",620,380);
g.drawString("Fr",25,20);
g.drawString("Signal",305,20);
g.drawString("Spectrogramme",305,450);
}
}
}
class FiltreExtension
extends javax.swing.filechooser.FileFilter
{
private String extension;
private String description;
public FiltreExtension(String extension, String description)
{
if (extension.indexOf('.') == -1)
extension = "." + extension;
this.extension = extension;
this.description = description;
}
public boolean accept(File fichier)
{
if (fichier.getName().endsWith(extension))
return true;
// les répertoires aussi doivent être affichés dans la fenêtre du JFileChooser
else if (fichier.isDirectory())
return true;
return false;
}
public String getDescription()
{
// la description du fichier, que lâ€Ton associe à son extension, on a un
// affichage du type: "Fichier JPEG (*.jpg)"
return this.description + "(*" + extension + ")";
}
} |
Afficher le spectrograme d'un signal audio avec java
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