1 /* 2 * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.ByteArrayInputStream; 25 import java.io.InputStream; 26 27 import javax.sound.sampled.AudioFormat; 28 import javax.sound.sampled.AudioInputStream; 29 import javax.sound.sampled.AudioSystem; 30 import javax.sound.sampled.Clip; 31 import javax.sound.sampled.DataLine; 32 import javax.sound.sampled.LineEvent; 33 import javax.sound.sampled.LineListener; 34 import javax.sound.sampled.LineUnavailableException; 35 import javax.sound.sampled.Mixer; 36 37 /** 38 * @test 39 * @bug 4498848 40 * @summary Sound causes crashes on Linux (part 3) 41 */ 42 public class ClipLinuxCrash2 implements LineListener{ 43 Clip clip; 44 int stopOccured; 45 static final Object lock = new Object(); 46 47 public static long bytes2Ms(long bytes, AudioFormat format) { 48 return (long) (bytes/format.getFrameRate()*1000/format.getFrameSize()); 49 } 50 51 static int staticLen=1000; 52 static boolean addLen=true; 53 54 ClipLinuxCrash2() { 55 } 56 57 public void update(LineEvent e) { 58 if (e.getType() == LineEvent.Type.STOP) { 59 stopOccured++; 60 out(" Test program: receives STOP event for clip="+clip.toString()+" no."+stopOccured); 61 out(" Test program: Calling close() in event dispatcher thread"); 62 clip.close(); 63 synchronized (lock) { 64 lock.notifyAll(); 65 } 66 } 67 else if (e.getType() == LineEvent.Type.CLOSE) { 68 out(" Test program: receives CLOSE event for "+clip.toString()); 69 synchronized (lock) { 70 lock.notifyAll(); 71 } 72 } 73 else if (e.getType() == LineEvent.Type.START) { 74 out(" Test program: receives START event for "+clip.toString()); 75 } 76 else if (e.getType() == LineEvent.Type.OPEN) { 77 out(" Test program: receives OPEN event for "+clip.toString()); 78 } 79 } 80 81 public long start() throws Exception { 82 AudioFormat format = new AudioFormat(44100, 16, 2, true, false); 83 84 if (addLen) { 85 staticLen+=(int) (staticLen/5)+1000; 86 } else { 87 staticLen-=(int) (staticLen/5)+1000; 88 } 89 if (staticLen>8*44100*4) { 90 staticLen = 8*44100*4; 91 addLen=!addLen; 92 } 93 if (staticLen<1000) { 94 staticLen = 1000; 95 addLen=!addLen; 96 } 97 int len = staticLen; 98 len -= (len % 4); 99 out(" Test program: preparing to play back "+len+" bytes == "+bytes2Ms(len, format)+"ms audio..."); 100 101 byte[] fakedata=new byte[len]; 102 InputStream is = new ByteArrayInputStream(fakedata); 103 AudioInputStream ais = new AudioInputStream(is, format, fakedata.length/format.getFrameSize()); 104 105 DataLine.Info info = new DataLine.Info(Clip.class, ais.getFormat()); 106 clip = (Clip) AudioSystem.getLine(info); 107 clip.addLineListener(this); 108 109 out(" Test program: opening clip="+((clip==null)?"null":clip.toString())); 110 clip.open(ais); 111 ais.close(); 112 out(" Test program: starting clip="+((clip==null)?"null":clip.toString())); 113 clip.start(); 114 return bytes2Ms(fakedata.length, format); 115 } 116 117 public static void main(String[] args) throws Exception { 118 if (!isSoundcardInstalled()) { 119 return; 120 } 121 122 try { 123 int COUNT=10; 124 out(); 125 out("4498848 Sound causes crashes on Linux"); 126 if (args.length>0) { 127 COUNT=Integer.parseInt(args[0]); 128 } 129 for (int i=0; i<COUNT; i++) { 130 out("trial "+(i+1)+"/"+COUNT); 131 ClipLinuxCrash2 t = new ClipLinuxCrash2(); 132 t.start(); 133 int waitTime = 300+(1300*(i % 2)); // every 2nd time wait 1600, rather than 300ms. 134 out(" Test program: waiting for "+waitTime+" ms for audio playback to stop..."); 135 Thread.sleep(waitTime); 136 out(" Test program: calling close() from main thread"); 137 t.clip.close(); 138 // let the subsystem enough time to actually close the soundcard 139 //out(" Test program: waiting for 2 seconds..."); 140 //Thread.sleep(2000); 141 //out(); 142 } 143 out(" Test program: waiting for 1 second..."); 144 Thread.sleep(1000); 145 } catch (Exception e) { 146 e.printStackTrace(); 147 out(" Test program: waiting for 1 second"); 148 try { 149 Thread.sleep(1000); 150 } catch (InterruptedException ie) {} 151 // do not fail if no audio device installed - bug 4742021 152 if (!(e instanceof LineUnavailableException)) { 153 throw e; 154 } 155 } 156 out("Test passed"); 157 } 158 159 static void out() { 160 out(""); 161 } 162 163 static void out(String s) { 164 System.out.println(s); System.out.flush(); 165 } 166 167 /** 168 * Returns true if at least one soundcard is correctly installed 169 * on the system. 170 */ 171 public static boolean isSoundcardInstalled() { 172 boolean result = false; 173 try { 174 Mixer.Info[] mixers = AudioSystem.getMixerInfo(); 175 if (mixers.length > 0) { 176 result = AudioSystem.getSourceDataLine(null) != null; 177 } 178 } catch (Exception e) { 179 System.err.println("Exception occured: "+e); 180 } 181 if (!result) { 182 System.err.println("Soundcard does not exist or sound drivers not installed!"); 183 System.err.println("This test requires sound drivers for execution."); 184 } 185 return result; 186 } 187 188 }