1 /* 2 * Copyright (c) 2004, 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 javax.sound.sampled.AudioFormat; 25 import javax.sound.sampled.AudioSystem; 26 import javax.sound.sampled.Clip; 27 import javax.sound.sampled.DataLine; 28 import javax.sound.sampled.LineUnavailableException; 29 import javax.sound.sampled.Mixer; 30 31 /** 32 * @test 33 * @bug 5021234 34 * @summary Using -2 for buffer size will fail retrieval of lines 35 */ 36 public class DataLineInfoNegBufferSize { 37 38 /** 39 * returns: 40 * 0: OK 41 * 1: IAE 42 * 2: other exception 43 * 3: line not available 44 */ 45 public static int run(Mixer m, int bufferSize) { 46 int res; 47 int frameCount = 441000; // lets say 10 seconds 48 AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false); 49 Clip clip = null; 50 try { 51 System.out.println("Requesting clip from Mixer " 52 +(m==null?"default":m.toString()) 53 +" with bufferSize"+bufferSize); 54 DataLine.Info info = new DataLine.Info(Clip.class, f, bufferSize); 55 if (m==null) { 56 clip = (Clip) AudioSystem.getLine(info); 57 } else { 58 clip = (Clip) m.getLine(info); 59 } 60 System.out.println("Got clip: "+clip+" with Buffer size "+clip.getBufferSize()); 61 62 res = 0; 63 } catch (LineUnavailableException luae) { 64 System.out.println(luae); 65 res = 3; // line not available 66 } catch (IllegalArgumentException iae) { 67 System.out.println(iae); 68 res = 1; 69 } catch (Throwable t) { 70 System.out.println("->Exception:"+t); 71 t.printStackTrace(); 72 res=2; // other exception 73 } 74 return res; 75 } 76 77 public static void main(String[] args) throws Exception { 78 if (isSoundcardInstalled()) { 79 int res=0; 80 int count = 0; 81 Mixer.Info[] infos = AudioSystem.getMixerInfo(); 82 for (int i = -1; i<infos.length; i++) { 83 try { 84 Mixer m; 85 if (i == -1) { 86 m = null; 87 } else { 88 m = AudioSystem.getMixer(infos[i]); 89 } 90 int r = run(m, AudioSystem.NOT_SPECIFIED); 91 // only continue if successful 92 if (r == 0) { 93 count++; 94 r = run(m, -2); 95 if (r == 1) { 96 // only fail if IAE was thrown 97 System.out.println("#FAILED: using -2 for buffer size does not work!"); 98 res = 1; 99 } 100 } 101 } catch (Exception e) { 102 } 103 } 104 if (res!=1) { 105 System.out.println("Test passed"); 106 } else { 107 if (count == 0) { 108 System.err.println("Test could not execute -- no suitable mixers installed. NOT failed"); 109 } 110 throw new Exception("Test FAILED!"); 111 } 112 } 113 } 114 115 /** 116 * Returns true if at least one soundcard is correctly installed 117 * on the system. 118 */ 119 public static boolean isSoundcardInstalled() { 120 boolean result = false; 121 try { 122 Mixer.Info[] mixers = AudioSystem.getMixerInfo(); 123 if (mixers.length > 0) { 124 result = AudioSystem.getSourceDataLine(null) != null; 125 } 126 } catch (Exception e) { 127 System.err.println("Exception occured: "+e); 128 } 129 if (!result) { 130 System.err.println("Soundcard does not exist or sound drivers not installed!"); 131 System.err.println("This test requires sound drivers for execution."); 132 } 133 return result; 134 } 135 }