/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* 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.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
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.JSpinner;
import javax.swing.SpinnerModel;
import javax.swing.SpinnerNumberModel;
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.WaveformSimilarityBasedOverlapAdd;
import be.tarsos.dsp.WaveformSimilarityBasedOverlapAdd.Parameters;
import be.tarsos.dsp.io.jvm.AudioDispatcherFactory;
import be.tarsos.dsp.io.jvm.AudioPlayer;
import be.tarsos.dsp.io.jvm.WaveformWriter;
public class TimeStretch extends JFrame{
/**
*
*/
private static final long serialVersionUID = 6072837777935275806L;
private JFileChooser fileChooser;
private AudioDispatcher dispatcher;
private WaveformSimilarityBasedOverlapAdd wsola;
private GainProcessor gain;
private AudioPlayer audioPlayer;
private final JSlider tempoSlider;
private final JSlider gainSlider;
SpinnerModel overlapModel;
SpinnerModel windowModel;
SpinnerModel sequenceModel;
public TimeStretch(){
this.setLayout(new BorderLayout());
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("Time Stretching: WSOLA TIME-SCALE MODIFICATION OF SOUND");
tempoSlider = new JSlider(20, 250);
tempoSlider.setValue(100);
tempoSlider.setPaintLabels(true);
tempoSlider.addChangeListener(parameterSettingChangedListener);
gainSlider = new JSlider(0,200);
gainSlider.setValue(100);
gainSlider.setPaintLabels(true);
gainSlider.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent arg0) {
if (TimeStretch.this.dispatcher != null) {
double gainValue = gainSlider.getValue() / 100.0;
gain.setGain(gainValue);
}
}
});
JPanel fileChooserPanel = new JPanel(new BorderLayout());
fileChooserPanel.setBorder(new TitledBorder("1. Choose your audio (wav mono)"));
fileChooser = new JFileChooser();
JButton chooseFileButton = new JButton("Choose a file...");
chooseFileButton.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent arg0) {
int returnVal = fileChooser.showOpenDialog(TimeStretch.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
startFile(file);
} else {
//canceled
}
}
});
fileChooserPanel.add(chooseFileButton,BorderLayout.CENTER);
JPanel params = new JPanel(new BorderLayout());
params.setBorder(new TitledBorder("2. Set the algorithm parameters"));
JLabel label = new JLabel("Tempo");
label.setToolTipText("The time stretching factor in % (100 is no change).");
params.add(label,BorderLayout.NORTH);
params.add(tempoSlider,BorderLayout.CENTER);
JPanel subPanel = new JPanel(new GridLayout(3, 2));
overlapModel = new SpinnerNumberModel(12,0,5000,1);
JSpinner overlapSpinnner = new JSpinner(overlapModel);
overlapSpinnner.addChangeListener(parameterSettingChangedListener);
windowModel = new SpinnerNumberModel(28,0,5000,1);
JSpinner windowSpinnner = new JSpinner(windowModel);
windowSpinnner.addChangeListener(parameterSettingChangedListener);
sequenceModel = new SpinnerNumberModel(82,0,5000,1);
JSpinner sequenceSpinnner = new JSpinner(sequenceModel);
sequenceSpinnner.addChangeListener(parameterSettingChangedListener);
label = new JLabel("Sequence length");
label.setToolTipText("Sequence length in ms.");
subPanel.add(label);
subPanel.add(sequenceSpinnner);
label = new JLabel("Seek window length");
label.setToolTipText("Seek window length in ms.");
subPanel.add(label);
subPanel.add(windowSpinnner);
label = new JLabel("Overlap length");
label.setToolTipText("Overlap length in ms.");
subPanel.add(label);
subPanel.add(overlapSpinnner);
params.add(subPanel,BorderLayout.SOUTH);
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 volume"));
this.add(fileChooserPanel,BorderLayout.NORTH);
this.add(params,BorderLayout.CENTER);
this.add(gainPanel,BorderLayout.SOUTH);
}
private ChangeListener parameterSettingChangedListener = new ChangeListener(){
@Override
public void stateChanged(ChangeEvent arg0) {
if (TimeStretch.this.dispatcher != null) {
wsola.setParameters(new Parameters(tempoSlider.getValue()/100.0,44100,(Integer) sequenceModel.getValue(),(Integer)windowModel.getValue(),(Integer)overlapModel.getValue()));
}
}};
private void startFile(File inputFile){
if(dispatcher != null){
dispatcher.stop();
}
AudioFormat format;
try {
format = AudioSystem.getAudioFileFormat(inputFile).getFormat();
gain = new GainProcessor(1.0);
audioPlayer = new AudioPlayer(format);
wsola = new WaveformSimilarityBasedOverlapAdd(Parameters.slowdownDefaults(tempoSlider.getValue()/100.0,format.getSampleRate()));
dispatcher = AudioDispatcherFactory.fromFile(inputFile,wsola.getInputBufferSize(),wsola.getOverlap());
wsola.setDispatcher(dispatcher);
dispatcher.addAudioProcessor(wsola);
dispatcher.addAudioProcessor(gain);
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[] argv) {
if (argv.length == 3) {
try {
startCli(argv[0],argv[1],Double.parseDouble(argv[2]));
} catch (NumberFormatException e) {
printHelp("Please provide a well formatted number for the time stretching factor. See Synopsis.");
} catch (UnsupportedAudioFileException e) {
printHelp("Unsupported audio file, please check if the input is 16bit 44.1kHz mono PCM wav.");
} catch (IOException e) {
printHelp("IO error, could not read from or write to the audio file, does it exist?");
}
} else if(argv.length!=0){
printHelp("Please provide exactly 3 arguments, see Synopsis.");
}else{
try {
startGui();
} catch (InterruptedException e) {
e.printStackTrace();
throw new Error(e);
} catch (InvocationTargetException e) {
e.printStackTrace();
throw new Error(e);
}
}
}
private static final void printHelp(String error){
SharedCommandLineUtilities.printPrefix();
System.err.println("Name:");
System.err.println("\tTarsosDSP Time stretch utility.");
SharedCommandLineUtilities.printLine();
System.err.println("Synopsis:");
System.err.println("\tjava -jar TimeStretch.jar source.wav target.wav factor");
SharedCommandLineUtilities.printLine();
System.err.println("Description:");
System.err.println("\tChange the play back speed of audio without changing the pitch.\n");
System.err.println("\t\tsource.wav\tA readable, mono wav file.");
System.err.println("\t\ttarget.wav\tTarget location for the time stretched file.");
System.err.println("\t\tfactor\t\tTime stretching factor: 2.0 means double the length, 0.5 half. 1.0 is no change.");
if(!error.isEmpty()){
SharedCommandLineUtilities.printLine();
System.err.println("Error:");
System.err.println("\t" + error);
}
}
private static void startGui() 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 TimeStretch();
frame.pack();
frame.setSize(400,350);
frame.setVisible(true);
}
});
}
private static void startCli(String source,String target,double tempo) throws UnsupportedAudioFileException, IOException{
File inputFile = new File(source);
AudioFormat format = AudioSystem.getAudioFileFormat(inputFile).getFormat();
WaveformSimilarityBasedOverlapAdd wsola = new WaveformSimilarityBasedOverlapAdd(Parameters.slowdownDefaults(tempo,format.getSampleRate()));
WaveformWriter writer = new WaveformWriter(format,target);
AudioDispatcher dispatcher = AudioDispatcherFactory.fromFile(inputFile,wsola.getInputBufferSize(),wsola.getOverlap());
wsola.setDispatcher(dispatcher);
dispatcher.addAudioProcessor(wsola);
dispatcher.addAudioProcessor(writer);
dispatcher.run();
}
}