/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* 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.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.JCheckBox;
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.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.AudioEvent;
import be.tarsos.dsp.AudioProcessor;
import be.tarsos.dsp.GainProcessor;
import be.tarsos.dsp.MultichannelToMono;
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.JVMAudioInputStream;
import be.tarsos.dsp.io.jvm.WaveformWriter;
import be.tarsos.dsp.resample.RateTransposer;
public class PitchShiftingExample extends JFrame {
/**
*
*/
private static final long serialVersionUID = -3830419374132803358L;
private JFileChooser fileChooser;
private AudioDispatcher dispatcher;
private WaveformSimilarityBasedOverlapAdd wsola;
private GainProcessor gain;
private AudioPlayer audioPlayer;
private RateTransposer rateTransposer;
private double currentFactor;// pitch shift factor
private double sampleRate;
private boolean loop;
private final JSlider factorSlider;
private final JLabel factorLabel;
private final JSlider gainSlider;
private final JCheckBox originalTempoCheckBox;
private final JSpinner centsSpinner;
private ChangeListener parameterSettingChangedListener = new ChangeListener(){
@Override
public void stateChanged(ChangeEvent arg0) {
if (arg0.getSource() instanceof JSpinner) {
int centValue = Integer.valueOf(((JSpinner) arg0.getSource())
.getValue().toString());
currentFactor = centToFactor(centValue);
factorSlider.removeChangeListener(this);
factorSlider.setValue((int) Math.round(currentFactor * 100));
factorSlider.addChangeListener(this);
} else if (arg0.getSource() instanceof JSlider) {
currentFactor = factorSlider.getValue() / 100.0;
centsSpinner.removeChangeListener(this);
centsSpinner.setValue(factorToCents(currentFactor));
centsSpinner.addChangeListener(this);
}
factorLabel.setText("Factor " + Math.round(currentFactor * 100) + "%");
if (PitchShiftingExample.this.dispatcher != null) {
if(originalTempoCheckBox.getModel().isSelected()){
wsola.setParameters(WaveformSimilarityBasedOverlapAdd.Parameters.musicDefaults(currentFactor, sampleRate));
} else {
wsola.setParameters(WaveformSimilarityBasedOverlapAdd.Parameters.musicDefaults(1, sampleRate));
}
rateTransposer.setFactor(currentFactor);
}
}};
public PitchShiftingExample(){
this.setLayout(new BorderLayout());
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("Pitch shifting: change the pitch of your audio.");
originalTempoCheckBox = new JCheckBox("Keep original tempo?", true);
originalTempoCheckBox.addChangeListener(parameterSettingChangedListener);
this.loop = false;
currentFactor = 1;
factorSlider = new JSlider(20, 250);
factorSlider.setValue(100);
factorSlider.setPaintLabels(true);
factorSlider.addChangeListener(parameterSettingChangedListener);
JPanel fileChooserPanel = new JPanel(new BorderLayout());
fileChooserPanel.setBorder(new TitledBorder("1... Or 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(PitchShiftingExample.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);
gainSlider = new JSlider(0,200);
gainSlider.setValue(100);
gainSlider.setPaintLabels(true);
gainSlider.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent arg0) {
if (PitchShiftingExample.this.dispatcher != null) {
double gainValue = gainSlider.getValue() / 100.0;
gain.setGain(gainValue);
}
}
});
JPanel params = new JPanel(new BorderLayout());
params.setBorder(new TitledBorder("2. Set the algorithm parameters"));
JCheckBox loopCheckbox = new JCheckBox(("Loop sample?"));
loopCheckbox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
loop = ((JCheckBox)e.getSource()).isSelected();
}
});
JLabel label = new JLabel("Factor 100%");
label.setToolTipText("The pitch shift factor in % (100 is no change, 50 is double pitch, 200 half).");
factorLabel = label;
params.add(label,BorderLayout.NORTH);
params.add(factorSlider,BorderLayout.CENTER);
JPanel subPanel = new JPanel(new GridLayout(0, 2));
centsSpinner = new JSpinner();
centsSpinner.addChangeListener(parameterSettingChangedListener);
label = new JLabel("Pitch shift in cents");
label.setToolTipText("Pitch shift in cents.");
subPanel.add(label);
subPanel.add(centsSpinner);
label = new JLabel("Keep original tempo");
label.setToolTipText("Pitch shift in cents.");
subPanel.add(label);
subPanel.add(originalTempoCheckBox);
label = new JLabel("Loop sample?");
subPanel.add(label);
subPanel.add(loopCheckbox);
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(inputSubPanel,BorderLayout.NORTH);
this.add(params,BorderLayout.CENTER);
this.add(gainPanel,BorderLayout.SOUTH);
}
public static double centToFactor(double cents){
return 1 / Math.pow(Math.E,cents*Math.log(2)/1200/Math.log(Math.E));
}
private static double factorToCents(double factor){
return 1200 * Math.log(1/factor) / Math.log(2);
}
private void startFile(final File inputFile,Mixer mixer){
if(dispatcher != null){
dispatcher.stop();
}
AudioFormat format;
try {
if(inputFile != null){
format = AudioSystem.getAudioFileFormat(inputFile).getFormat();
}else{
format = new AudioFormat(44100, 16, 1, true,true);
}
rateTransposer = new RateTransposer(currentFactor);
gain = new GainProcessor(1.0);
audioPlayer = new AudioPlayer(format);
sampleRate = format.getSampleRate();
//can not time travel, unfortunately. It would be nice to go back and kill Hitler or something...
if(originalTempoCheckBox.getModel().isSelected() && inputFile != null){
wsola = new WaveformSimilarityBasedOverlapAdd(Parameters.musicDefaults(currentFactor, sampleRate));
} else {
wsola = new WaveformSimilarityBasedOverlapAdd(Parameters.musicDefaults(1, sampleRate));
}
if(inputFile == null){
DataLine.Info dataLineInfo = new DataLine.Info(TargetDataLine.class, format);
TargetDataLine line;
line = (TargetDataLine) mixer.getLine(dataLineInfo);
line.open(format, wsola.getInputBufferSize());
line.start();
final AudioInputStream stream = new AudioInputStream(line);
JVMAudioInputStream audioStream = new JVMAudioInputStream(stream);
// create a new dispatcher
dispatcher = new AudioDispatcher(audioStream, wsola.getInputBufferSize(),wsola.getOverlap());
}else{
if(format.getChannels() != 1){
dispatcher = AudioDispatcherFactory.fromFile(inputFile,wsola.getInputBufferSize() * format.getChannels(),wsola.getOverlap() * format.getChannels());
dispatcher.addAudioProcessor(new MultichannelToMono(format.getChannels(),true));
}else{
dispatcher = AudioDispatcherFactory.fromFile(inputFile,wsola.getInputBufferSize(),wsola.getOverlap());
}
//dispatcher = AudioDispatcher.fromFile(inputFile,wsola.getInputBufferSize(),wsola.getOverlap());
}
wsola.setDispatcher(dispatcher);
dispatcher.addAudioProcessor(wsola);
dispatcher.addAudioProcessor(rateTransposer);
dispatcher.addAudioProcessor(gain);
dispatcher.addAudioProcessor(audioPlayer);
dispatcher.addAudioProcessor(new AudioProcessor() {
@Override
public void processingFinished() {
if(loop){
dispatcher =null;
startFile(inputFile,null);
}
}
@Override
public boolean process(AudioEvent audioEvent) {
return true;
}
});
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 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 PitchShiftingExample();
frame.pack();
frame.setSize(400,450);
frame.setVisible(true);
}
});
}
private static void startCli(String source,String target,double cents) throws UnsupportedAudioFileException, IOException{
File inputFile = new File(source);
AudioFormat format = AudioSystem.getAudioFileFormat(inputFile).getFormat();
double sampleRate = format.getSampleRate();
double factor = PitchShiftingExample.centToFactor(cents);
RateTransposer rateTransposer = new RateTransposer(factor);
WaveformSimilarityBasedOverlapAdd wsola = new WaveformSimilarityBasedOverlapAdd(Parameters.musicDefaults(factor, sampleRate));
WaveformWriter writer = new WaveformWriter(format,target);
AudioDispatcher dispatcher;
if(format.getChannels() != 1){
dispatcher = AudioDispatcherFactory.fromFile(inputFile,wsola.getInputBufferSize() * format.getChannels(),wsola.getOverlap() * format.getChannels());
dispatcher.addAudioProcessor(new MultichannelToMono(format.getChannels(),true));
}else{
dispatcher = AudioDispatcherFactory.fromFile(inputFile,wsola.getInputBufferSize(),wsola.getOverlap());
}
wsola.setDispatcher(dispatcher);
dispatcher.addAudioProcessor(wsola);
dispatcher.addAudioProcessor(rateTransposer);
dispatcher.addAudioProcessor(writer);
dispatcher.run();
}
private static final void printHelp(String error){
SharedCommandLineUtilities.printPrefix();
System.err.println("Name:");
System.err.println("\tTarsosDSP Pitch shifting utility.");
SharedCommandLineUtilities.printLine();
System.err.println("Synopsis:");
System.err.println("\tjava -jar PitchShift.jar source.wav target.wav cents");
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 pitch shifted file.");
System.err.println("\t\tcents\t\tPitch shifting in cents: 100 means one semitone up, -100 one down, 0 is no change. 1200 is one octave up.");
if(!error.isEmpty()){
SharedCommandLineUtilities.printLine();
System.err.println("Error:");
System.err.println("\t" + error);
}
}
}