1 /* 2 * Copyright (c) 2011, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /** 27 * @test 28 * @bug 6801206 29 * @summary Tests that Clip sets frame position 30 * @author Alex Menkov 31 */ 32 33 import javax.sound.sampled.AudioFormat; 34 import javax.sound.sampled.AudioSystem; 35 import javax.sound.sampled.Clip; 36 import javax.sound.sampled.DataLine; 37 import javax.sound.sampled.LineUnavailableException; 38 39 public class ClipSetPos { 40 41 final static AudioFormat audioFormat = new AudioFormat(44100f, 16, 2, true, true); 42 final static int frameLength = 44100 * 2; // 2 seconds 43 final static byte[] dataBuffer 44 = new byte[frameLength * (audioFormat.getSampleSizeInBits()/8) 45 * audioFormat.getChannels()]; 46 final static int MAX_FRAME_DELTA = 20; 47 48 public static void main(String[] args) { 49 boolean testPassed = true; 50 Clip clip = null; 51 try { 52 clip = (Clip)AudioSystem.getLine(new DataLine.Info(Clip.class, audioFormat)); 53 clip.open(audioFormat, dataBuffer, 0, dataBuffer.length); 54 } catch (LineUnavailableException ex) { 55 log(ex); 56 log("Cannot test (this is not failure)"); 57 return; 58 } catch (IllegalArgumentException ex) { 59 log(ex); 60 log("Cannot test (this is not failure)"); 61 return; 62 } 63 64 log("clip: " + clip.getClass().getName()); 65 66 int len = clip.getFrameLength(); 67 for (int pos=0; pos < len; pos += (len /100)) { 68 clip.setFramePosition(pos); 69 int curPos = clip.getFramePosition(); 70 if (Math.abs(pos - curPos) > MAX_FRAME_DELTA) { 71 log("Tried to set pos to " + pos + ", but got back " + curPos); 72 testPassed = false; 73 } else { 74 log("Sucessfully set pos to " + pos); 75 } 76 } 77 clip.close(); 78 79 if (testPassed) { 80 log("Test PASSED."); 81 } else { 82 log("Test FAILED."); 83 throw new RuntimeException("Test FAILED (see log)"); 84 } 85 } 86 87 static void log(String s) { 88 System.out.println(s); 89 } 90 91 static void log(Exception ex) { 92 ex.printStackTrace(System.out); 93 } 94 95 }