private static Line getLine(String propName, Line.Info info) throws LineUnavailableException {
List<?> mixerProviders = ProviderService.getProviders(mixerProviderPath);
if (propName != null) {
String propVal = System.getProperty(propName);
if (propVal != null) {
Mixer m = getMixer(propVal, info, mixerProviders);
if (m != null) {
Line l = m.getLine(info);
if (l != null) {
return l;
}
}
}
Properties soundProperties = ProviderService.getSoundProperties();
propVal = soundProperties.getProperty(propName);
if (propVal != null) {
Mixer m = getMixer(propVal, info, mixerProviders);
if (m != null) {
Line l = m.getLine(info);
if (l != null) {
return l;
}
}
}
}
for (Iterator providers = ProviderService.getProviders(mixerProviderPath).iterator();
providers.hasNext(); ) {
try {
MixerProvider pr = (MixerProvider) (providers.next());
Mixer.Info[] mixinfos = pr.getMixerInfo();
for (Mixer.Info mixinfo : mixinfos) {
try {
Mixer mix = pr.getMixer(mixinfo);
return mix.getLine(info);
} catch (IllegalArgumentException e) {
// continue
}
}
} catch (ClassCastException e) {
}
}
// sound.11=Could not get line
throw new IllegalArgumentException(Messages.getString("sound.11")); // $NON-NLS-1$
}
public SonarSoundEngine(int maxChannels) throws LineUnavailableException {
silentSample = new SonarSample(new float[] {0}, 44100);
Mixer mixer = AudioSystem.getMixer(null);
sdl = (SourceDataLine) mixer.getLine(new Line.Info(SourceDataLine.class));
sdl.open(new AudioFormat(rate, 16, 2, true, false), bufferSize * 2 * 2 * 2 * 2 * 2);
soundBuffer.order(ByteOrder.LITTLE_ENDIAN);
sdl.start();
try {
/* FloatControl volumeControl = (FloatControl) sdl.getControl(FloatControl.Type.MASTER_GAIN);
volumeControl.setValue(volumeControl.getMaximum());*/
} catch (IllegalArgumentException e) {
// System.out.println("Failed to set the sound volume");
}
listenerMixer = new ListenerMixer(maxChannels);
leftBuf = new float[bufferSize];
rightBuf = new float[bufferSize];
Thread thread = new Thread(this);
thread.setDaemon(true);
thread.setPriority(10);
thread.start();
}
public SourceDataLine getOutputLine(AudioFormat format) throws LineUnavailableException {
SourceDataLine out;
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
out = (SourceDataLine) mixer.getLine(info);
out.open(format, out.getBufferSize());
return out;
}
public TargetDataLine getInputLine(AudioFormat format) throws LineUnavailableException {
TargetDataLine in;
DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
in = (TargetDataLine) mixer.getLine(info);
in.open(format, in.getBufferSize());
return in;
}
private void createMixerChildren(JavaMixer.MixerNode mixerNode) {
Mixer mixer = mixerNode.getMixer();
Line.Info[] infosToCheck = getPortInfo(mixer);
for (Line.Info anInfosToCheck : infosToCheck) {
if (mixer.isLineSupported(anInfosToCheck)) {
Port port = null;
DataLine dLine = null;
int maxLines = mixer.getMaxLines(anInfosToCheck);
// Workaround to prevent a JVM crash on Mac OS X (Intel) 1.5.0_07 JVM
if (maxLines > 0) {
try {
if (anInfosToCheck instanceof Port.Info) {
port = (Port) mixer.getLine(anInfosToCheck);
port.open();
} else if (anInfosToCheck instanceof DataLine.Info) {
dLine = (DataLine) mixer.getLine(anInfosToCheck);
if (!dLine.isOpen()) {
dLine.open();
}
}
} catch (LineUnavailableException e) {
e.printStackTrace();
} catch (Exception e) {
// Do Nothing
}
}
if (port != null) {
JavaMixer.PortNode portNode = new JavaMixer.PortNode(port);
createPortChildren(portNode);
mixerNode.add(portNode);
} else if (dLine != null) {
JavaMixer.PortNode portNode = new JavaMixer.PortNode(dLine);
createPortChildren(portNode);
mixerNode.add(portNode);
}
}
}
}
private void mixerComboBoxActionPerformed() {
Mixer mixer = AudioSystem.getMixer((Mixer.Info) mixerComboBox.getSelectedItem());
Line.Info lineInfo = mixer.getSourceLineInfo(new Line.Info(Clip.class))[0];
boolean volumeSupported;
boolean panSupported;
try {
Line line = mixer.getLine(lineInfo);
volumeSupported = line.isControlSupported(FloatControl.Type.MASTER_GAIN);
panSupported = line.isControlSupported(FloatControl.Type.PAN);
} catch (LineUnavailableException e) {
volumeSupported = false;
panSupported = false;
}
enableMixerVolumeCheckBox.setEnabled(volumeSupported);
enableMixerPanCheckBox.setEnabled(panSupported);
}
