--- /dev/null 2016-10-24 21:41:24.000000000 +0300 +++ new/test/javax/sound/sampled/LinuxCrash/ClipLinuxCrash.java 2016-10-24 21:41:24.000000000 +0300 @@ -0,0 +1,163 @@ +/* + * 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(); + } + +}