| /* |
| * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioSystem; |
| import javax.sound.sampled.Clip; |
| import javax.sound.sampled.DataLine; |
| import javax.sound.sampled.Mixer; |
| |
| /** |
| * @test |
| * @bug 4732218 |
| * @summary Clip.drain does not actually block until all I/O is complete as |
| * documented. |
| */ |
| public class ClipDrain { |
| static int successfulTests = 0; |
| static AudioFormat format = new AudioFormat(8000, 16, 1, true, false); |
| // create a 10-second file |
| static byte[] soundData = new byte[(int) (format.getFrameRate() * format.getFrameSize() * 10)]; |
| |
| static int TOLERANCE_MS = 2500; // how many milliseconds too short is tolerated... |
| |
| private static void doMixerClip(Mixer mixer) throws Exception { |
| boolean waitedEnough=false; |
| try { |
| DataLine.Info info = new DataLine.Info(Clip.class, format); |
| Clip clip = (Clip) mixer.getLine(info); |
| clip.open(format, soundData, 0, soundData.length); |
| |
| // sanity |
| if (clip.getMicrosecondLength()/1000 < 9900) { |
| throw new Exception("clip's microsecond length should be at least 9900000, but it is "+clip.getMicrosecondLength()); |
| } |
| long start = System.currentTimeMillis(); |
| |
| System.out.println(" ---------- start --------"); |
| clip.start(); |
| // give time to actually start it. ALSA implementation needs that... |
| Thread.sleep(300); |
| System.out.println("drain ... "); |
| clip.drain(); |
| long elapsedTime = System.currentTimeMillis() - start; |
| System.out.println("close ... "); |
| clip.close(); |
| System.out.println("... done"); |
| System.out.println("Playback duration: "+elapsedTime+" milliseconds."); |
| waitedEnough = elapsedTime >= ((clip.getMicrosecondLength() / 1000) - TOLERANCE_MS); |
| } catch (Throwable t) { |
| System.out.println(" - Caught exception. Not failed."); |
| System.out.println(" - "+t.toString()); |
| return; |
| } |
| if (!waitedEnough) { |
| throw new Exception("Drain did not wait long enough to play entire clip."); |
| } |
| successfulTests++; |
| } |
| |
| |
| private static void doAll() throws Exception { |
| Mixer.Info[] mixers = AudioSystem.getMixerInfo(); |
| for (int i=0; i<mixers.length; i++) { |
| Mixer mixer = AudioSystem.getMixer(mixers[i]); |
| System.out.println("--------------"); |
| System.out.println("Testing mixer: "+mixers[i]); |
| doMixerClip(mixer); |
| } |
| if (mixers.length==0) { |
| System.out.println("No mixers available!"); |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (!isSoundcardInstalled()) { |
| return; |
| } |
| doAll(); |
| if (successfulTests==0) { |
| System.out.println("Could not execute any of the tests. Test NOT failed."); |
| } else { |
| System.out.println("Test PASSED."); |
| } |
| } |
| |
| /** |
| * Returns true if at least one soundcard is correctly installed |
| * on the system. |
| */ |
| public static boolean isSoundcardInstalled() { |
| boolean result = false; |
| try { |
| Mixer.Info[] mixers = AudioSystem.getMixerInfo(); |
| if (mixers.length > 0) { |
| result = AudioSystem.getSourceDataLine(null) != null; |
| } |
| } catch (Exception e) { |
| System.err.println("Exception occured: "+e); |
| } |
| if (!result) { |
| System.err.println("Soundcard does not exist or sound drivers not installed!"); |
| System.err.println("This test requires sound drivers for execution."); |
| } |
| return result; |
| } |
| } |