/**
* Create preview component.
*
* @param type type
* @param comboBox the options.
* @param prefSize the preferred size
* @return the component.
*/
private static Component createPreview(int type, final JComboBox comboBox, Dimension prefSize) {
JComponent preview = null;
if (type == DeviceConfigurationComboBoxModel.AUDIO) {
Object selectedItem = comboBox.getSelectedItem();
if (selectedItem instanceof AudioSystem) {
AudioSystem audioSystem = (AudioSystem) selectedItem;
if (!NoneAudioSystem.LOCATOR_PROTOCOL.equalsIgnoreCase(audioSystem.getLocatorProtocol())) {
preview = new TransparentPanel(new GridBagLayout());
createAudioSystemControls(audioSystem, preview);
}
}
} else if (type == DeviceConfigurationComboBoxModel.VIDEO) {
JLabel noPreview =
new JLabel(
NeomediaActivator.getResources().getI18NString("impl.media.configform.NO_PREVIEW"));
noPreview.setHorizontalAlignment(SwingConstants.CENTER);
noPreview.setVerticalAlignment(SwingConstants.CENTER);
preview = createVideoContainer(noPreview);
preview.setPreferredSize(prefSize);
Object selectedItem = comboBox.getSelectedItem();
CaptureDeviceInfo device = null;
if (selectedItem instanceof DeviceConfigurationComboBoxModel.CaptureDevice)
device = ((DeviceConfigurationComboBoxModel.CaptureDevice) selectedItem).info;
Exception exception;
try {
createVideoPreview(device, preview);
exception = null;
} catch (IOException ex) {
exception = ex;
} catch (MediaException ex) {
exception = ex;
}
if (exception != null) {
logger.error("Failed to create preview for device " + device, exception);
device = null;
}
}
return preview;
}
/** Configures echo cancellation and noise suppression effects. */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void configureEffects() {
if (!AndroidUtils.hasAPI(16)) return;
AudioSystem audioSystem =
AudioSystem.getAudioSystem(AudioSystem.LOCATOR_PROTOCOL_AUDIORECORD);
// Creates echo canceler if available
if (AcousticEchoCanceler.isAvailable()) {
AcousticEchoCanceler echoCanceller =
AcousticEchoCanceler.create(audioRecord.getAudioSessionId());
if (echoCanceller != null) {
echoCanceller.setEnableStatusListener(this);
echoCanceller.setEnabled(audioSystem.isEchoCancel());
logger.info("Echo cancellation: " + echoCanceller.getEnabled());
}
}
// Automatic gain control
if (AutomaticGainControl.isAvailable()) {
AutomaticGainControl agc = AutomaticGainControl.create(audioRecord.getAudioSessionId());
if (agc != null) {
agc.setEnableStatusListener(this);
agc.setEnabled(audioSystem.isAutomaticGainControl());
logger.info("Auto gain control: " + agc.getEnabled());
}
}
// Creates noise suppressor if available
if (NoiseSuppressor.isAvailable()) {
NoiseSuppressor noiseSuppressor = NoiseSuppressor.create(audioRecord.getAudioSessionId());
if (noiseSuppressor != null) {
noiseSuppressor.setEnableStatusListener(this);
noiseSuppressor.setEnabled(audioSystem.isDenoise());
logger.info("Noise suppressor: " + noiseSuppressor.getEnabled());
}
}
}
/**
* Creates the UI controls which are to control the details of a specific <tt>AudioSystem</tt>.
*
* @param audioSystem the <tt>AudioSystem</tt> for which the UI controls to control its details
* are to be created
* @param container the <tt>JComponent</tt> into which the UI controls which are to control the
* details of the specified <tt>audioSystem</tt> are to be added
*/
public static void createAudioSystemControls(AudioSystem audioSystem, JComponent container) {
GridBagConstraints constraints = new GridBagConstraints();
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.weighty = 0;
int audioSystemFeatures = audioSystem.getFeatures();
boolean featureNotifyAndPlaybackDevices =
((audioSystemFeatures & AudioSystem.FEATURE_NOTIFY_AND_PLAYBACK_DEVICES) != 0);
constraints.gridx = 0;
constraints.insets = new Insets(3, 0, 3, 3);
constraints.weightx = 0;
constraints.gridy = 0;
container.add(
new JLabel(getLabelText(DeviceConfigurationComboBoxModel.AUDIO_CAPTURE)), constraints);
if (featureNotifyAndPlaybackDevices) {
constraints.gridy = 2;
container.add(
new JLabel(getLabelText(DeviceConfigurationComboBoxModel.AUDIO_PLAYBACK)), constraints);
constraints.gridy = 3;
container.add(
new JLabel(getLabelText(DeviceConfigurationComboBoxModel.AUDIO_NOTIFY)), constraints);
}
constraints.gridx = 1;
constraints.insets = new Insets(3, 3, 3, 0);
constraints.weightx = 1;
JComboBox captureCombo = null;
if (featureNotifyAndPlaybackDevices) {
captureCombo = new JComboBox();
captureCombo.setEditable(false);
captureCombo.setModel(
new DeviceConfigurationComboBoxModel(
captureCombo,
mediaService.getDeviceConfiguration(),
DeviceConfigurationComboBoxModel.AUDIO_CAPTURE));
constraints.gridy = 0;
container.add(captureCombo, constraints);
}
int anchor = constraints.anchor;
SoundLevelIndicator capturePreview =
new SoundLevelIndicator(
SimpleAudioLevelListener.MIN_LEVEL, SimpleAudioLevelListener.MAX_LEVEL);
constraints.anchor = GridBagConstraints.CENTER;
constraints.gridy = (captureCombo == null) ? 0 : 1;
container.add(capturePreview, constraints);
constraints.anchor = anchor;
constraints.gridy = GridBagConstraints.RELATIVE;
if (featureNotifyAndPlaybackDevices) {
JComboBox playbackCombo = new JComboBox();
playbackCombo.setEditable(false);
playbackCombo.setModel(
new DeviceConfigurationComboBoxModel(
captureCombo,
mediaService.getDeviceConfiguration(),
DeviceConfigurationComboBoxModel.AUDIO_PLAYBACK));
container.add(playbackCombo, constraints);
JComboBox notifyCombo = new JComboBox();
notifyCombo.setEditable(false);
notifyCombo.setModel(
new DeviceConfigurationComboBoxModel(
captureCombo,
mediaService.getDeviceConfiguration(),
DeviceConfigurationComboBoxModel.AUDIO_NOTIFY));
container.add(notifyCombo, constraints);
}
if ((AudioSystem.FEATURE_ECHO_CANCELLATION & audioSystemFeatures) != 0) {
final SIPCommCheckBox echoCancelCheckBox =
new SIPCommCheckBox(
NeomediaActivator.getResources().getI18NString("impl.media.configform.ECHOCANCEL"));
/*
* First set the selected one, then add the listener in order to
* avoid saving the value when using the default one and only
* showing to user without modification.
*/
echoCancelCheckBox.setSelected(mediaService.getDeviceConfiguration().isEchoCancel());
echoCancelCheckBox.addItemListener(
new ItemListener() {
public void itemStateChanged(ItemEvent e) {
mediaService.getDeviceConfiguration().setEchoCancel(echoCancelCheckBox.isSelected());
}
});
container.add(echoCancelCheckBox, constraints);
}
if ((AudioSystem.FEATURE_DENOISE & audioSystemFeatures) != 0) {
final SIPCommCheckBox denoiseCheckBox =
new SIPCommCheckBox(
NeomediaActivator.getResources().getI18NString("impl.media.configform.DENOISE"));
/*
* First set the selected one, then add the listener in order to
* avoid saving the value when using the default one and only
* showing to user without modification.
*/
denoiseCheckBox.setSelected(mediaService.getDeviceConfiguration().isDenoise());
denoiseCheckBox.addItemListener(
new ItemListener() {
public void itemStateChanged(ItemEvent e) {
mediaService.getDeviceConfiguration().setDenoise(denoiseCheckBox.isSelected());
}
});
container.add(denoiseCheckBox, constraints);
}
createAudioPreview(audioSystem, captureCombo, capturePreview);
}