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/*
* Copyright (c) 2001, 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 java.io.ByteArrayInputStream;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;
/**
* @test
* @bug 4237703
* @summary Check that Clip.getMicrosecondLength() returns correct value.
*/
public class ClipDuration {
public static int run(Mixer m) {
int res=1; // failed
int frameCount = 441000; // lets say 10 seconds
AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false);
AudioInputStream audioInputStream =
new AudioInputStream(new ByteArrayInputStream(new byte[frameCount * f.getFrameSize()]),
f, frameCount);
AudioFormat format = audioInputStream.getFormat();
Clip m_clip = null;
try {
if (m == null) {
m_clip = (Clip) AudioSystem.getClip();
} else {
DataLine.Info info = new DataLine.Info(Clip.class, format, AudioSystem.NOT_SPECIFIED);
m_clip = (Clip) m.getLine(info);
}
System.out.println("Got clip: "+m_clip);
m_clip.open(audioInputStream);
long microseconds=m_clip.getMicrosecondLength();
System.out.println("getFrameLength()="+m_clip.getFrameLength()+" frames");
System.out.println("getMicrosecondLength()="+microseconds+" us");
if (Math.abs(microseconds-10000000)<50) {
System.out.println("->Clip OK");
res=0; // passes if less than 50us error
}
} catch (LineUnavailableException luae) {
System.err.println(luae);
res = 3; // line not available, test not failed
} catch (Throwable t) {
System.out.println("->Exception:"+t);
t.printStackTrace();
res=2; // exception
}
if (m_clip != null) {
m_clip.close();
}
return res;
}
public static void main(String[] args) throws Exception {
if (isSoundcardInstalled()) {
int res=3;
res = run(null);
Mixer.Info[] infos = AudioSystem.getMixerInfo();
for (int i = 0; i<infos.length; i++) {
try {
Mixer m = AudioSystem.getMixer(infos[i]);
int r = run(m);
if (r == 1) res = 1;
} catch (Exception e) {
}
}
if (res!=1) {
System.out.println("Test passed");
} else {
if (res==2) {
System.err.println("Test could not execute: test threw unexpected Exception.");
throw new Exception("Test threw exception");
}
else if (res==3) {
System.err.println("Test could not execute: please install an audio device");
return;
}
throw new Exception("Test returned wrong length");
}
}
}
/**
* 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;
}
}
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