/*
* Copyright (C) 2013 Trilarion
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.tools.sound;
import java.util.logging.Logger;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Control;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.SourceDataLine;
/**
* Some utility functions
*/
public class SoundUtils {
/**
* No instantiation.
*/
private SoundUtils() {
}
/**
* Prints some info.
*
* @param args the command line arguments
*/
public static void main(String[] args) throws LineUnavailableException {
printAvailableMixers();
}
/**
* Get all mixers that can handle at least two lines of signed PCM, 44kHz,
* stereo, 16bit, little endian output.
*/
public static void printAvailableMixers() throws LineUnavailableException {
// audio format, standard high quality, stereo output
AudioFormat requestedFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100, 16, 2, 4, 44100, false);
// an output data line
DataLine.Info lineInfo = new DataLine.Info(SourceDataLine.class, requestedFormat);
// get infos about all mixers in the system
Mixer.Info[] mixers = AudioSystem.getMixerInfo();
// ask how many lines there are, and plot vendor for each on with at least 2 lines
for (Mixer.Info mixerInfo : mixers) {
Mixer mixer = AudioSystem.getMixer(mixerInfo);
// how many lines of the type we need are available
int maxLines = mixer.getMaxLines(lineInfo);
// at least two or not specified, print info
if (maxLines == AudioSystem.NOT_SPECIFIED || maxLines >= 2) {
System.out.println("Description: " + mixerInfo.getDescription() + " Vendor: " + mixerInfo.getVendor() + " Name: " + mixerInfo.getName());
try (SourceDataLine line = (SourceDataLine) mixer.getLine(lineInfo)) {
line.open();
for (Control control : line.getControls()) {
System.out.println("Line has control: " + control);
}
}
}
}
}
private static final Logger LOG = Logger.getLogger(SoundUtils.class.getName());
}