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