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/*
* Copyright (c) 2002, 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.ByteArrayInputStream;
import java.io.InputStream;
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.LineEvent;
import javax.sound.sampled.LineListener;
/**
* @test
* @bug 4498848
* @summary Sound causes crashes on Linux (part 1)
*/
public class ClipLinuxCrash {
static Clip clip;
public static long bytes2Ms(long bytes, AudioFormat format) {
return (long) (bytes / format.getFrameRate() * 1000
/ format.getFrameSize());
}
static int staticLen = 1000;
static boolean addLen = true;
public static long start() throws Exception {
AudioFormat fmt = new AudioFormat(44100, 16, 2, true, false);
if (addLen) {
staticLen += (int) (staticLen / 5) + 1000;
} else {
staticLen -= (int) (staticLen / 5) + 1000;
}
if (staticLen > 8 * 44100 * 4) {
staticLen = 8 * 44100 * 4;
addLen = !addLen;
}
if (staticLen < 1000) {
staticLen = 1000;
addLen = !addLen;
}
int len = staticLen;
len -= (len % 4);
byte[] fakedata = new byte[len];
InputStream is = new ByteArrayInputStream(fakedata);
AudioFormat format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
44100, 16, 2, 4, 44100, false);
AudioInputStream ais = new AudioInputStream(is, format, fakedata.length
/ format.getFrameSize());
out(" preparing to play back " + len + " bytes == " + bytes2Ms(len,
format)
+ "ms audio...");
DataLine.Info info = new DataLine.Info(Clip.class, ais.getFormat());
clip = (Clip) AudioSystem.getLine(info);
clip.addLineListener(new LineListener() {
public void update(LineEvent e) {
if (e.getType() == LineEvent.Type.STOP) {
out(" calling close() from event dispatcher thread");
((Clip) e.getSource()).close();
} else if (e.getType() == LineEvent.Type.CLOSE) {
}
}
});
out(" opening...");
try {
clip.open(ais);
} catch (Throwable t) {
t.printStackTrace();
clip.close();
clip = null;
}
ais.close();
if (clip != null) {
out(" starting...");
clip.start();
}
return bytes2Ms(fakedata.length, format);
}
public static void main(String[] args) throws Exception {
if (AudioSystem.getMixerInfo().length == 0) {
System.out.println("Cannot execute test: no mixers installed!");
System.out.println("Not Failed.");
return;
}
try {
int COUNT = 10;
out();
out("4498848 Sound causes crashes on Linux (testing with Clip)");
if (args.length > 0) {
COUNT = Integer.parseInt(args[0]);
}
for (int i = 0; i < COUNT; i++) {
out(" trial " + (i + 1) + "/" + COUNT);
start();
int waitTime = 500 + (1000 * (i
% 2)); // every second
// time wait 1500, rather than 500ms.
out(" waiting for " + waitTime
+ " ms for audio playback to stop...");
Thread.sleep(waitTime);
out(" calling close() from main thread");
if (clip != null) {
clip.close();
}
// let the subsystem enough time to actually close the soundcard
out(" waiting for 2 seconds...");
Thread.sleep(2000);
out();
}
out(" waiting for 1 second...");
Thread.sleep(1000);
} catch (Exception e) {
e.printStackTrace();
out(" waiting for 1 second");
try {
Thread.sleep(1000);
} catch (InterruptedException ie) {
}
throw e;
}
out("Test passed");
}
static void out() {
out("");
}
static void out(String s) {
System.out.println(s);
System.out.flush();
}
}
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