/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* TarsosDSP is developed by Joren Six at IPEM, University Ghent
*
* -------------------------------------------------------------
*
* Info: http://0110.be/tag/TarsosDSP
* Github: https://github.com/JorenSix/TarsosDSP
* Releases: http://0110.be/releases/TarsosDSP/
*
* TarsosDSP includes modified source code by various authors,
* for credits and info, see README.
*
*/
package be.tarsos.dsp.example;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.UnsupportedAudioFileException;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.TitledBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import be.tarsos.dsp.AudioDispatcher;
import be.tarsos.dsp.GainProcessor;
import be.tarsos.dsp.MultichannelToMono;
import be.tarsos.dsp.effects.FlangerEffect;
import be.tarsos.dsp.io.TarsosDSPAudioInputStream;
import be.tarsos.dsp.io.jvm.AudioDispatcherFactory;
import be.tarsos.dsp.io.jvm.AudioPlayer;
import be.tarsos.dsp.io.jvm.JVMAudioInputStream;
import be.tarsos.dsp.io.jvm.WaveformWriter;
public class Flanger extends JFrame {
/**
*
*/
private static final long serialVersionUID = -5020248948695915733L;
private AudioDispatcher dispatcher;
private FlangerEffect flangerEffect;
private GainProcessor inputGain;
private int defaultInputGain = 100;//%
private int defaultLength = 20;//ms
private int defaultImpact = 50;//%
private int defaultFrequency = 3;//Hz
public Flanger() {
this.setLayout(new BorderLayout());
this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
this.addWindowListener( new WindowAdapter() {
@Override
public void windowClosing(WindowEvent we) {
if(dispatcher != null){
dispatcher.stop();
}
System.exit(0);
}
} );
this.setTitle("Flanger Effect Example");
JPanel inputPanel = buildInputPanel();
final JSlider flangerLengthSlider = new JSlider(1, 100);
flangerLengthSlider.setValue(defaultLength);
flangerLengthSlider.setPaintLabels(true);
flangerLengthSlider.addChangeListener(new ChangeListener(){
@Override
public void stateChanged(ChangeEvent arg0) {
if (flangerEffect != null) {
double flangerLength = flangerLengthSlider.getValue() / 1000.0;
flangerEffect.setFlangerLength(flangerLength);
}
defaultLength = flangerLengthSlider.getValue();
}
});
final JSlider impact = new JSlider(0,100);
impact.setValue(defaultImpact);
impact.setPaintLabels(true);
impact.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent arg0) {
if (flangerEffect != null) {
double depth = impact.getValue() / 100.0;
flangerEffect.setWet(depth);
}
defaultImpact = impact.getValue();
}
});
final JSlider lfoFrequency = new JSlider(0,100);
lfoFrequency.setValue(defaultFrequency);
lfoFrequency.setPaintLabels(true);
lfoFrequency.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent arg0) {
if (flangerEffect != null) {
double frequency = lfoFrequency.getValue() / 10.0;
flangerEffect.setLFOFrequency(frequency);
}
defaultFrequency = lfoFrequency.getValue();
}
});
JPanel params = new JPanel(new GridLayout(0,1));
params.setBorder(new TitledBorder("2. Set the algorithm parameters"));
JLabel label = new JLabel("Impact (%)");
label.setToolTipText("The impact factor in % (100 is no change).");
params.add(label);
params.add(impact);
label = new JLabel("Flanger length (in ms)");
label.setToolTipText("The flanger buffer lengt in ms.");
params.add(label);
params.add(flangerLengthSlider);
label = new JLabel("Flanger LFO Frequency (in Hz x 10)");
label.setToolTipText("The flanger LFO Frequency lengt in dHz.");
params.add(label);
params.add(lfoFrequency);
final JSlider gainSlider = new JSlider(0,200);
gainSlider.setValue(defaultInputGain);
gainSlider.setPaintLabels(true);
gainSlider.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent arg0) {
if (inputGain != null) {
double gainValue = gainSlider.getValue() / 100.0;
inputGain.setGain(gainValue);
}
defaultInputGain = gainSlider.getValue();
}
});
JPanel gainPanel = new JPanel(new BorderLayout());
label = new JLabel("Gain (in %)");
label.setToolTipText("Volume in % (100 is no change).");
gainPanel.add(label,BorderLayout.NORTH);
gainPanel.add(gainSlider,BorderLayout.CENTER);
gainPanel.setBorder(new TitledBorder("3. Optionally change the input volume"));
add(inputPanel,BorderLayout.NORTH);
add(params,BorderLayout.CENTER);
add(gainPanel,BorderLayout.SOUTH);
}
private JPanel buildInputPanel() {
JPanel fileChooserPanel = new JPanel(new BorderLayout());
fileChooserPanel.setBorder(new TitledBorder("1... Or choose your audio (wav mono)"));
final JFileChooser fileChooser = new JFileChooser();
JButton chooseFileButton = new JButton("Choose a file...");
chooseFileButton.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent arg0) {
int returnVal = fileChooser.showOpenDialog(Flanger.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
startFile(file,null);
} else {
//canceled
}
}
});
fileChooserPanel.add(chooseFileButton);
fileChooser.setLayout(new BoxLayout(fileChooser, BoxLayout.PAGE_AXIS));
JPanel inputSubPanel = new JPanel(new BorderLayout());
JPanel inputPanel = new InputPanel();
inputPanel.addPropertyChangeListener("mixer",
new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent arg0) {
startFile(null,(Mixer) arg0.getNewValue());
}
});
inputSubPanel.add(inputPanel,BorderLayout.NORTH);
inputSubPanel.add(fileChooserPanel,BorderLayout.SOUTH);
return inputSubPanel;
}
private void startFile(File inputFile, Mixer mixer) {
if (dispatcher != null) {
dispatcher.stop();
}
AudioFormat format;
int bufferSize = 1024;
int overlap = 0;
double sampleRate = 44100;
try {
if(inputFile != null){
format = AudioSystem.getAudioFileFormat(inputFile).getFormat();
sampleRate = format.getSampleRate();
}else{
format = new AudioFormat((float) sampleRate, 16, 1, true,true);
}
inputGain = new GainProcessor(defaultInputGain/100.0);
AudioPlayer audioPlayer = new AudioPlayer(format);
if(inputFile == null){
DataLine.Info dataLineInfo = new DataLine.Info(TargetDataLine.class, format);
TargetDataLine line;
line = (TargetDataLine) mixer.getLine(dataLineInfo);
line.open(format, bufferSize);
line.start();
final AudioInputStream stream = new AudioInputStream(line);
final TarsosDSPAudioInputStream audioStream = new JVMAudioInputStream(stream);
dispatcher = new AudioDispatcher(audioStream, bufferSize,overlap);
}else{
if(format.getChannels() != 1){
dispatcher = AudioDispatcherFactory.fromFile(inputFile,bufferSize * format.getChannels(),overlap * format.getChannels());
dispatcher.addAudioProcessor(new MultichannelToMono(format.getChannels(),true));
}else{
dispatcher = AudioDispatcherFactory.fromFile(inputFile,bufferSize,overlap);
}
}
flangerEffect = new FlangerEffect(defaultLength/1000.0,defaultImpact/100.0,sampleRate,defaultFrequency/10.0);
dispatcher.addAudioProcessor(flangerEffect);
dispatcher.addAudioProcessor(inputGain);
dispatcher.addAudioProcessor(new WaveformWriter(format, "flanger.wav"));
dispatcher.addAudioProcessor(audioPlayer);
Thread t = new Thread(dispatcher);
t.start();
} catch (UnsupportedAudioFileException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (LineUnavailableException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String... strings) throws InterruptedException,
InvocationTargetException {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception e) {
//ignore failure to set default look en feel;
}
JFrame frame = new Flanger();
frame.pack();
frame.setVisible(true);
}
});
}
}