/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* 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.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collections;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
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.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSlider;
import javax.swing.JTextArea;
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.io.jvm.JVMAudioInputStream;
import be.tarsos.dsp.onsets.ComplexOnsetDetector;
import be.tarsos.dsp.onsets.OnsetHandler;
public class OnsetDetector extends JFrame implements OnsetHandler {
/**
*
*/
private static final long serialVersionUID = 3501426880288136245L;
private final JTextArea textArea;
ArrayList<Clip> clipList;
int counter;
double threshold = 0.4;
public OnsetDetector() {
this.setLayout(new BorderLayout());
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("Percussion Detector");
JPanel inputPanel = new InputPanel();
inputPanel.addPropertyChangeListener("mixer",
new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent arg0) {
try {
setNewMixer((Mixer) arg0.getNewValue());
} catch (LineUnavailableException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (UnsupportedAudioFileException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
JSlider thresholdSlider = initialzeThresholdSlider();
JPanel params = new JPanel(new GridLayout(0,1));
params.setBorder(new TitledBorder("2. Set the algorithm parameters"));
JLabel label = new JLabel("Threshold");
label.setToolTipText("Peak picking threshold.");
params.add(label);
params.add(thresholdSlider);
JPanel paramsAndInputPanel = new JPanel(new GridLayout(1,0));
paramsAndInputPanel.add(inputPanel);
paramsAndInputPanel.add(params);
textArea = new JTextArea();
textArea.setEditable(false);
this.add(paramsAndInputPanel,BorderLayout.NORTH);
this.add(new JScrollPane(textArea),BorderLayout.CENTER);
clipList = new ArrayList<Clip>();
addClips();
}
private JSlider initialzeThresholdSlider() {
JSlider thresholdSlider = new JSlider(0,100);
thresholdSlider.setValue((int)threshold);
thresholdSlider.setPaintLabels(true);
thresholdSlider.setPaintTicks(true);
thresholdSlider.setMajorTickSpacing(20);
thresholdSlider.setMinorTickSpacing(10);
thresholdSlider.setValue(25);
thresholdSlider.addChangeListener(new ChangeListener(){
@Override
public void stateChanged(ChangeEvent e) {
JSlider source = (JSlider) e.getSource();
if (!source.getValueIsAdjusting()) {
threshold = source.getValue()/100.0;
if(onsetDetector!=null){
onsetDetector.setThreshold(threshold);
}
}
}
});
return thresholdSlider;
}
private void addClips(){
String[] clips = {"50863__chipfork__Echopop.wav","50771__Digital_System__BOOM_reverb.wav","30667__HardPCM__HardBassDrum001.wav","30669__HardPCM__HardKick002.wav","33637__HerbertBoland__CinematicBoomNorm.wav"};
for(String clipName : clips){
try {
final InputStream inputStream = this.getClass().getResourceAsStream("resources/" + clipName);
AudioInputStream sound;
sound = AudioSystem.getAudioInputStream(inputStream);
// load the sound into memory (a Clip)
DataLine.Info info = new DataLine.Info(Clip.class, sound.getFormat());
Clip clip = (Clip) AudioSystem.getLine(info);
clip.open(sound);
clipList.add(clip);
} catch (UnsupportedAudioFileException e) {
System.out.println(clipName);
// 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();
}
}
}
ComplexOnsetDetector onsetDetector;
AudioDispatcher dispatcher;
Mixer currentMixer;
private void setNewMixer(Mixer mixer) throws LineUnavailableException,
UnsupportedAudioFileException {
if(dispatcher!= null){
dispatcher.stop();
}
currentMixer = mixer;
float sampleRate = 44100;
int bufferSize = 512;
int overlap = 0;
textArea.append("Started listening with " + Shared.toLocalString(mixer.getMixerInfo().getName()) + "\n\tparams: " + threshold + "dB\n");
final AudioFormat format = new AudioFormat(sampleRate, 16, 1, true,
true);
final DataLine.Info dataLineInfo = new DataLine.Info(
TargetDataLine.class, format);
TargetDataLine line;
line = (TargetDataLine) mixer.getLine(dataLineInfo);
final int numberOfSamples = bufferSize;
line.open(format, numberOfSamples);
line.start();
final AudioInputStream stream = new AudioInputStream(line);
JVMAudioInputStream audioStream = new JVMAudioInputStream(stream);
// create a new dispatcher
dispatcher = new AudioDispatcher(audioStream, bufferSize,
overlap);
onsetDetector = new ComplexOnsetDetector(bufferSize, threshold,0.07,-60);
onsetDetector.setHandler(this);
// add a processor, handle percussion event.
dispatcher.addAudioProcessor(onsetDetector);
// run the dispatcher (on a new thread).
new Thread(dispatcher,"Audio dispatching").start();
}
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 OnsetDetector();
frame.pack();
frame.setSize(640, 480);
frame.setVisible(true);
}
});
}
@Override
public void handleOnset(double time, double salience) {
textArea.append("Percussion at:" + time + "\n");
textArea.setCaretPosition(textArea.getDocument().getLength());
Clip clip = clipList.get(counter % clipList.size());
clip.setFramePosition(0);
clip.start();
counter++;
if(counter == clipList.size()){
Collections.shuffle(clipList);
}
}
}