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. 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 /** 25 * @test 26 * @bug 6801206 27 * @summary Tests that Clip sets frame position 28 * @author Alex Menkov 29 */ 30 31 import javax.sound.sampled.AudioFormat; 32 import javax.sound.sampled.AudioSystem; 33 import javax.sound.sampled.Clip; 34 import javax.sound.sampled.DataLine; 35 import javax.sound.sampled.LineUnavailableException; 36 37 public class ClipSetPos { 38 39 final static AudioFormat audioFormat = new AudioFormat(44100f, 16, 2, true, true); 40 final static int frameLength = 44100 * 2; // 2 seconds 41 final static byte[] dataBuffer 42 = new byte[frameLength * (audioFormat.getSampleSizeInBits()/8) 43 * audioFormat.getChannels()]; 44 final static int MAX_FRAME_DELTA = 20; 45 46 public static void main(String[] args) { 47 boolean testPassed = true; 48 Clip clip = null; 49 try { 50 clip = (Clip)AudioSystem.getLine(new DataLine.Info(Clip.class, audioFormat)); 51 clip.open(audioFormat, dataBuffer, 0, dataBuffer.length); 52 } catch (LineUnavailableException ex) { 53 log(ex); 54 log("Cannot test (this is not failure)"); 55 return; 56 } catch (IllegalArgumentException ex) { 57 log(ex); 58 log("Cannot test (this is not failure)"); 59 return; 60 } 61 62 log("clip: " + clip.getClass().getName()); 63 64 int len = clip.getFrameLength(); 65 for (int pos=0; pos < len; pos += (len /100)) { 66 clip.setFramePosition(pos); 67 int curPos = clip.getFramePosition(); 68 if (Math.abs(pos - curPos) > MAX_FRAME_DELTA) { 69 log("Tried to set pos to " + pos + ", but got back " + curPos); 70 testPassed = false; 71 } else { 72 log("Sucessfully set pos to " + pos); 73 } 74 } 75 clip.close(); 76 77 if (testPassed) { 78 log("Test PASSED."); 79 } else { 80 log("Test FAILED."); 81 throw new RuntimeException("Test FAILED (see log)"); 82 } 83 } 84 85 static void log(String s) { 86 System.out.println(s); 87 } 88 89 static void log(Exception ex) { 90 ex.printStackTrace(System.out); 91 } 92 93 }