| /* |
| * 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(); |
| } |
| |
| } |