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/*
* Copyright (c) 2021, 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 javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.LineUnavailableException;
/**
* @test
* @bug 8266421 8269091
* @summary Tests that Clip.setFramePosition/setMicrosecondPosition do not hang.
*/
public final class SetPositionHang implements Runnable {
private static volatile boolean testFramePosition;
private final Clip clip;
private final String thread;
private SetPositionHang(String thread, Clip clip) {
this.thread = thread;
this.clip = clip;
}
public static void main(String[] args) throws Exception {
testFramePosition = false;
test();
testFramePosition = true;
test();
}
private static void test() throws InterruptedException {
try (Clip clip = AudioSystem.getClip()) {
// prepare audio data
int frameCount = 441000; // lets say 10 seconds
AudioFormat format = new AudioFormat(44100.0f, 16, 2, true, false);
byte[] bytes = new byte[frameCount * format.getFrameSize()];
clip.open(format, bytes, 0, frameCount);
Thread t1 = new Thread(new SetPositionHang("1", clip));
Thread t2 = new Thread(new SetPositionHang("2", clip));
Thread t3 = new Thread(new SetPositionHang("3", clip));
Thread t4 = new Thread(new SetPositionHang("4", clip));
Thread t5 = new Thread(new SetPositionHang("5", clip));
t1.start();
t2.start();
t3.start();
t4.start();
t5.start();
t1.join();
t2.join();
t3.join();
t4.join();
t5.join();
} catch (LineUnavailableException | IllegalArgumentException ignored) {
// the test is not applicable
}
}
public void run() {
System.out.println("Thread " + thread + " Start");
for (int i = 0; i < 100; i++) {
// System.out.println("Thread " + thread + " Play " +
// System.currentTimeMillis() % 100000);
playSound();
try {
Thread.sleep(i);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
System.out.println("Thread " + thread + " Finish");
}
private void playSound() {
if (clip.isRunning()) {
clip.stop();
}
if (testFramePosition) {
clip.setFramePosition(0);
} else {
clip.setMicrosecondPosition(0);
}
clip.start();
}
}
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