tests.be.tarsos.dsp.test.WaveformWriterTest 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.FileNotFoundException;
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.Ignore;
import org.junit.Test;
import be.tarsos.dsp.AudioDispatcher;
import be.tarsos.dsp.SilenceDetector;
import be.tarsos.dsp.example.Shared;
import be.tarsos.dsp.io.jvm.JVMAudioInputStream;
import be.tarsos.dsp.io.jvm.WaveformWriter;
public class WaveformWriterTest {
@Ignore
@Test
public void testSilenceWriter() throws UnsupportedAudioFileException,
InterruptedException, LineUnavailableException,
FileNotFoundException {
float sampleRate = 44100;
int bufferSize = 1024;
int overlap = 0;
// available mixers
int index = 0;
int selectedMixerIndex = 4;
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,
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 inpustStream = new JVMAudioInputStream(stream);
// create a new dispatcher
AudioDispatcher dispatcher = new AudioDispatcher(inpustStream, bufferSize,
overlap);
WaveformWriter writer = new WaveformWriter(format,"01.file.wav");
// add a processor, handle percussion event.
dispatcher.addAudioProcessor(new SilenceDetector());
dispatcher.addAudioProcessor(writer);
// run the dispatcher (on the same thread, use start() to run it on
// another thread).
new Thread(dispatcher).start();
Thread.sleep(3000);
dispatcher.removeAudioProcessor(writer);
writer = new WaveformWriter(format,"02.file.wav");
dispatcher.addAudioProcessor(writer);
Thread.sleep(3000);
dispatcher.stop();
}
}