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/*
* Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.SourceDataLine;
/**
* This is utility class for Test5032020.
*/
public class DirectSoundUnderrunSilence {
static int sampleRate = 8000;
static double frequency = 1000.0;
static double RAD = 2.0 * Math.PI;
static byte[] audioData = new byte[sampleRate/8];
static DataLine.Info info;
static SourceDataLine source;
//static AudioInputStream ais = null;
static AudioFormat audioFormat;
//static String filename;
public static void print(String s) {
System.out.print(s);
}
public static void println(String s) {
System.out.println(s);
}
public static void key() {
println("");
print("Press ENTER to continue...");
try {
System.in.read();
} catch (IOException ioe) {
}
println("");
}
public static void play(Mixer mixer) {
int res = 0;
try {
println("Getting SDL from mixer...");
source = (SourceDataLine) mixer.getLine(info);
println("Opening SDL...");
source.open(audioFormat);
println("Writing data to SDL...");
source.write(audioData, 0, audioData.length);
println("Starting SDL...");
source.start();
println("Now open your ears:");
println("You should have heard a short tone,");
println("followed by silence (no repeating tones).");
key();
source.write(audioData, 0, audioData.length);
println("Now you should have heard another short tone.");
println("If you did not hear a second tone, or more than 2 tones,");
println("the test is FAILED.");
println("otherwise, if you heard a total of 2 tones, the bug is fixed.");
key();
} catch (IllegalArgumentException iae) {
println("IllegalArgumentException: "+iae.getMessage());
println("Sound device cannot handle this audio format.");
println("ERROR: Test environment not correctly set up.");
if (source!=null) {
source.close();
source = null;
}
return;
} catch (LineUnavailableException lue) {
println("LineUnavailableException: "+lue.getMessage());
println("This is normal for some mixers.");
} catch (Exception e) {
println("Unexpected Exception: "+e.toString());
}
if (source != null) {
println("Stopping...");
source.stop();
println("Closing...");
source.close();
println("Closed.");
source = null;
}
}
public static void main(String[] args) throws Exception {
println("This is an interactive test for DirectAudio.");
println("If it's impossible to play data after an underun, the test fails.");
println("");
println("Make sure that you have speakers connected");
println("and that the system mixer is not muted.");
println("Also stop all other programs playing sounds:");
println("It has been seen that it alters the results.");
println("");
println("Press a key to start the test.");
key();
Mixer.Info[] mixers=null;
println(" ...using self-generated sine wave for playback");
audioFormat = new AudioFormat((float)sampleRate, 8, 1, true, true);
for (int i=0; i<audioData.length; i++) {
audioData[i] = (byte)(Math.sin(RAD*frequency/sampleRate*i)*127.0);
}
info = new DataLine.Info(SourceDataLine.class, audioFormat);
mixers = AudioSystem.getMixerInfo();
int succMixers = 0;
for (int i=0; i<mixers.length; i++) {
println(""+mixers[i]+":");
if ((mixers[i].getName()+mixers[i].getDescription()+mixers[i].getVendor()).indexOf("Direct") < 0) {
println(" ->not a DirectAudio Mixer!");
} else {
try {
Mixer mixer = AudioSystem.getMixer(mixers[i]);
if (!mixer.isLineSupported(info)) {
println(" ->doesn't support SourceDataLine!");
} else {
succMixers++;
println(" -> is getting tested.");
play(mixer);
}
} catch (Exception e) {
println(" -> Exception occured: "+e);
e.printStackTrace();
}
}
}
if (succMixers == 0) {
println("No DirectAudio mixers available! ");
println("Cannot run test.");
}
}
}
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