1/* 2 * Copyright (c) 2001, 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 24import java.io.ByteArrayInputStream; 25 26import javax.sound.sampled.AudioFormat; 27import javax.sound.sampled.AudioInputStream; 28import javax.sound.sampled.AudioSystem; 29import javax.sound.sampled.Clip; 30import javax.sound.sampled.DataLine; 31import javax.sound.sampled.LineUnavailableException; 32import javax.sound.sampled.Mixer; 33 34/** 35 * @test 36 * @bug 4237703 37 * @summary Check that Clip.getMicrosecondLength() returns correct value. 38 */ 39public class ClipDuration { 40 41 public static int run(Mixer m) { 42 int res=1; // failed 43 int frameCount = 441000; // lets say 10 seconds 44 AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false); 45 AudioInputStream audioInputStream = 46 new AudioInputStream(new ByteArrayInputStream(new byte[frameCount * f.getFrameSize()]), 47 f, frameCount); 48 AudioFormat format = audioInputStream.getFormat(); 49 Clip m_clip = null; 50 try { 51 if (m == null) { 52 m_clip = (Clip) AudioSystem.getClip(); 53 } else { 54 DataLine.Info info = new DataLine.Info(Clip.class, format, AudioSystem.NOT_SPECIFIED); 55 m_clip = (Clip) m.getLine(info); 56 } 57 System.out.println("Got clip: "+m_clip); 58 m_clip.open(audioInputStream); 59 long microseconds=m_clip.getMicrosecondLength(); 60 System.out.println("getFrameLength()="+m_clip.getFrameLength()+" frames"); 61 System.out.println("getMicrosecondLength()="+microseconds+" us"); 62 if (Math.abs(microseconds-10000000)<50) { 63 System.out.println("->Clip OK"); 64 res=0; // passes if less than 50us error 65 } 66 } catch (LineUnavailableException luae) { 67 System.err.println(luae); 68 res = 3; // line not available, test not failed 69 } catch (Throwable t) { 70 System.out.println("->Exception:"+t); 71 t.printStackTrace(); 72 res=2; // exception 73 } 74 if (m_clip != null) { 75 m_clip.close(); 76 } 77 return res; 78 } 79 80 81 82 public static void main(String[] args) throws Exception { 83 if (isSoundcardInstalled()) { 84 int res=3; 85 res = run(null); 86 Mixer.Info[] infos = AudioSystem.getMixerInfo(); 87 for (int i = 0; i<infos.length; i++) { 88 try { 89 Mixer m = AudioSystem.getMixer(infos[i]); 90 int r = run(m); 91 if (r == 1) res = 1; 92 } catch (Exception e) { 93 } 94 } 95 if (res!=1) { 96 System.out.println("Test passed"); 97 } else { 98 if (res==2) { 99 System.err.println("Test could not execute: test threw unexpected Exception."); 100 throw new Exception("Test threw exception"); 101 } 102 else if (res==3) { 103 System.err.println("Test could not execute: please install an audio device"); 104 return; 105 } 106 throw new Exception("Test returned wrong length"); 107 } 108 } 109 } 110 111 /** 112 * Returns true if at least one soundcard is correctly installed 113 * on the system. 114 */ 115 public static boolean isSoundcardInstalled() { 116 boolean result = false; 117 try { 118 Mixer.Info[] mixers = AudioSystem.getMixerInfo(); 119 if (mixers.length > 0) { 120 result = AudioSystem.getSourceDataLine(null) != null; 121 } 122 } catch (Exception e) { 123 System.err.println("Exception occured: "+e); 124 } 125 if (!result) { 126 System.err.println("Soundcard does not exist or sound drivers not installed!"); 127 System.err.println("This test requires sound drivers for execution."); 128 } 129 return result; 130 } 131} 132