tests.be.tarsos.dsp.test.PercussionOnsetTest Maven / Gradle / Ivy
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/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* 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.test;
import java.io.IOException;
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 org.junit.Test;
import be.tarsos.dsp.AudioDispatcher;
import be.tarsos.dsp.example.Shared;
import be.tarsos.dsp.io.jvm.JVMAudioInputStream;
import be.tarsos.dsp.onsets.PercussionOnsetDetector;
import be.tarsos.dsp.onsets.PrintOnsetHandler;
public class PercussionOnsetTest {
public static void main(String[] args) throws LineUnavailableException, UnsupportedAudioFileException{
float sampleRate = 44100;
int bufferSize = 1024;
int overlap = 0;
//available mixers
int index = 0;
int selectedMixerIndex = 3;
for(Mixer.Info mixer : AudioSystem.getMixerInfo()){
System.out.println(index + ": " + Shared.toLocalString(mixer));
index++;
}
Mixer.Info selectedMixer = AudioSystem.getMixerInfo()[selectedMixerIndex];
System.out.println("Selected mixer: " + Shared.toLocalString(selectedMixer));
//open a LineWavelet
final Mixer mixer = AudioSystem.getMixer(selectedMixer);
final AudioFormat format = new AudioFormat(sampleRate, 16, 1, true, false);
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 inputStream = new JVMAudioInputStream(stream);
//create a new dispatcher
AudioDispatcher dispatcher = new AudioDispatcher(inputStream, bufferSize, overlap);
//add a processor, handle percussion event.
dispatcher.addAudioProcessor(new PercussionOnsetDetector(sampleRate, bufferSize,overlap, new PrintOnsetHandler()));
//run the dispatcher (on the same thread, use start() to run it on another thread).
dispatcher.run();
}
@Test
public void testOnset() throws UnsupportedAudioFileException, IOException{
/*
String file = "/home/joren/Desktop/Fingerprinting/07. Pleasant Shadow Song_original.wav.semitone_up.wav";
AudioFormat format = AudioSystem.getAudioInputStream(new File(file)).getFormat();
AudioDispatcher dispatcher = AudioDispatcher.fromFile(new File(file),1024,0);
dispatcher.addAudioProcessor(new PercussionOnsetDetector(format.getSampleRate(),1024, new PercussionHandler() {
int i = 0 ;
@Override
public void handlePercussion(double timestamp) {
System.out.println(i++ + "\t" + timestamp);
}
},44,4));
dispatcher.run();
*/
}
}