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/*
* Copyright (c) 2004, 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.LineUnavailableException;
import javax.sound.sampled.Mixer;
/**
* @test
* @bug 5021234
* @summary Using -2 for buffer size will fail retrieval of lines
*/
public class DataLineInfoNegBufferSize {
/**
* returns:
* 0: OK
* 1: IAE
* 2: other exception
* 3: line not available
*/
public static int run(Mixer m, int bufferSize) {
int res;
int frameCount = 441000; // lets say 10 seconds
AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false);
Clip clip = null;
try {
System.out.println("Requesting clip from Mixer "
+(m==null?"default":m.toString())
+" with bufferSize"+bufferSize);
DataLine.Info info = new DataLine.Info(Clip.class, f, bufferSize);
if (m==null) {
clip = (Clip) AudioSystem.getLine(info);
} else {
clip = (Clip) m.getLine(info);
}
System.out.println("Got clip: "+clip+" with Buffer size "+clip.getBufferSize());
res = 0;
} catch (LineUnavailableException luae) {
System.out.println(luae);
res = 3; // line not available
} catch (IllegalArgumentException iae) {
System.out.println(iae);
res = 1;
} catch (Throwable t) {
System.out.println("->Exception:"+t);
t.printStackTrace();
res=2; // other exception
}
return res;
}
public static void main(String[] args) throws Exception {
if (isSoundcardInstalled()) {
int res=0;
int count = 0;
Mixer.Info[] infos = AudioSystem.getMixerInfo();
for (int i = -1; i<infos.length; i++) {
try {
Mixer m;
if (i == -1) {
m = null;
} else {
m = AudioSystem.getMixer(infos[i]);
}
int r = run(m, AudioSystem.NOT_SPECIFIED);
// only continue if successful
if (r == 0) {
count++;
r = run(m, -2);
if (r == 1) {
// only fail if IAE was thrown
System.out.println("#FAILED: using -2 for buffer size does not work!");
res = 1;
}
}
} catch (Exception e) {
}
}
if (res!=1) {
System.out.println("Test passed");
} else {
if (count == 0) {
System.err.println("Test could not execute -- no suitable mixers installed. NOT failed");
}
throw new Exception("Test FAILED!");
}
}
}
/**
* 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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