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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
import java.util.List;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.Port;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.spi.MixerProvider;
import com.sun.media.sound.JDK13Services;
/**
* @test
* @bug 4776511
* @summary RFE: Setting the default MixerProvider. Test the retrieving of lines
* with defaut mixer properties.
* @modules java.desktop/com.sun.media.sound
*/
public class DefaultMixers {
private static final String ERROR_PROVIDER_CLASS_NAME = "abc";
private static final String ERROR_INSTANCE_NAME = "def";
private static final Class[] lineClasses = {
SourceDataLine.class,
TargetDataLine.class,
Clip.class,
Port.class,
};
public static void main(String[] args) throws Exception {
boolean allOk = true;
Mixer.Info[] infos;
out("Testing Mixers retrieved via AudioSystem");
infos = AudioSystem.getMixerInfo();
allOk &= testMixers(infos, null);
out("Testing MixerProviders");
List providers = JDK13Services.getProviders(MixerProvider.class);
for (int i = 0; i < providers.size(); i++) {
MixerProvider provider = (MixerProvider) providers.get(i);
infos = provider.getMixerInfo();
allOk &= testMixers(infos, provider.getClass().getName());
}
if (! allOk) {
throw new Exception("Test failed");
} else {
out("Test passed");
}
}
private static boolean testMixers(Mixer.Info[] infos,
String providerClassName) {
boolean allOk = true;
for (int i = 0; i < infos.length; i++) {
Mixer mixer = null;
try {
mixer = AudioSystem.getMixer(infos[i]);
} catch (NullPointerException e) {
out("Exception thrown; Test NOT failed.");
e.printStackTrace();
}
for (int j = 0; j < lineClasses.length; j++) {
if (mixer.isLineSupported(new Line.Info(lineClasses[j]))) {
allOk &= testMixer(mixer, lineClasses[j],
providerClassName);
}
}
}
return allOk;
}
private static boolean testMixer(Mixer mixer, Class lineType,
String providerClassName) {
boolean allOk = true;
String instanceName = mixer.getMixerInfo().getName();
// no error
allOk &= testMixer(mixer, lineType,
providerClassName, instanceName);
// erroneous provider class name, correct instance name
allOk &= testMixer(mixer, lineType,
ERROR_PROVIDER_CLASS_NAME, instanceName);
// erroneous provider class name, no instance name
allOk &= testMixer(mixer, lineType,
ERROR_PROVIDER_CLASS_NAME, "");
// erroneous provider class name, erroneous instance name
allOk &= testMixer(mixer, lineType,
ERROR_PROVIDER_CLASS_NAME, ERROR_INSTANCE_NAME);
return allOk;
}
private static boolean testMixer(Mixer mixer, Class lineType,
String providerClassName,
String instanceName) {
boolean allOk = true;
try {
String propertyValue = (providerClassName != null) ? providerClassName: "" ;
propertyValue += "#" + instanceName;
out("property value: " + propertyValue);
System.setProperty(lineType.getName(), propertyValue);
Line line = null;
Line.Info info = null;
Line.Info[] infos;
AudioFormat format = null;
if (lineType == SourceDataLine.class || lineType == Clip.class) {
infos = mixer.getSourceLineInfo();
format = getFirstLinearFormat(infos);
info = new DataLine.Info(lineType, format);
} else if (lineType == TargetDataLine.class) {
infos = mixer.getTargetLineInfo();
format = getFirstLinearFormat(infos);
info = new DataLine.Info(lineType, format);
} else if (lineType == Port.class) {
/* Actually, a Ports Mixer commonly has source infos
as well as target infos. We ignore this here, since we
just need a random one. */
infos = mixer.getSourceLineInfo();
for (int i = 0; i < infos.length; i++) {
if (infos[i] instanceof Port.Info) {
info = infos[i];
break;
}
}
}
out("Line.Info: " + info);
line = AudioSystem.getLine(info);
out("line: " + line);
if (! lineType.isInstance(line)) {
out("type " + lineType + " failed: class should be '" +
lineType + "' but is '" + line.getClass() + "'!");
allOk = false;
}
} catch (Exception e) {
out("Exception thrown; Test NOT failed.");
e.printStackTrace();
}
return allOk;
}
private static AudioFormat getFirstLinearFormat(Line.Info[] infos) {
for (int i = 0; i < infos.length; i++) {
if (infos[i] instanceof DataLine.Info) {
AudioFormat[] formats = ((DataLine.Info) infos[i]).getFormats();
for (int j = 0; j < formats.length; j++) {
AudioFormat.Encoding encoding = formats[j].getEncoding();
int sampleSizeInBits = formats[j].getSampleSizeInBits();
if (encoding.equals(AudioFormat.Encoding.PCM_SIGNED) &&
sampleSizeInBits == 16 ||
encoding.equals(AudioFormat.Encoding.PCM_UNSIGNED) &&
sampleSizeInBits == 16) {
return formats[j];
}
}
}
}
return null;
}
private static void out(String message) {
System.out.println(message);
}
}