/**
* Copyright 2000-2006 DFKI GmbH.
* All Rights Reserved. Use is subject to license terms.
*
* This file is part of MARY TTS.
*
* MARY TTS is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package marytts.tools.emospeak;
import java.awt.GridBagConstraints;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.Vector;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;
import javax.swing.BoundedRangeModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
import javax.swing.JRootPane;
import marytts.client.MaryClient;
import marytts.util.http.Address;
/**
*
* @author schroed
*/
public class EmoSpeakPanel extends javax.swing.JPanel implements AudioFileReceiver, ProsodyXMLDisplayer {
private int r = 1;
private EmoTransformer emoTransformer;
/* -------------------- Data and Processing stuff -------------------- */
private AsynchronousThreadedMaryClient asynchronousSynthesiser;
private MaryClient synchronousSynthesiser;
private AudioInputStream currentAudio = null;
private AudioInputStream nextAudio = null;
private Clip clip = null;
private boolean synthesiseAsynchronously;
private String maryServerHost;
private int maryServerPort;
private Map voicesByLocale; // map locale to Vectors of MaryClient.Voice objects
boolean haveGerman = false;
private Map sampleTextsByLocale; // map locale to Vectors of Strings
private Map localeByDisplayLanguage; // map display language to locale
/**
* Creates new form EmoSpeakPanel
*
* @param synthesiseAsynchronously
* synthesiseAsynchronously
* @param maryServerHost
* maryServerHost
* @param maryServerPort
* maryServerPort
* @throws IOException
* IOException
* @throws UnknownHostException
* UnknownHostException
*/
public EmoSpeakPanel(boolean synthesiseAsynchronously, String maryServerHost, int maryServerPort) throws IOException,
UnknownHostException {
this.synthesiseAsynchronously = synthesiseAsynchronously;
this.maryServerHost = maryServerHost;
this.maryServerPort = maryServerPort;
synchronized (this) {
initComponents();
customInitComponents();
}
}
/** Call this in order to use the emospeakpanel menu */
public void initialiseMenu() {
JRootPane rp = getRootPane();
if (rp != null)
rp.setJMenuBar(jMenuBar1);
}
public TwoDimensionalModel feeltraceModel() {
return ftPanel.feeltraceModel();
}
public BoundedRangeModel powerModel() {
return ftPanel.powerModel();
}
/**
* This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The content of
* this method is always regenerated by the Form Editor.
*/
private void initComponents() {// GEN-BEGIN:initComponents
java.awt.GridBagConstraints gridBagConstraints;
audioPanel = new javax.swing.JPanel();
lVoice = new javax.swing.JLabel();
cbVoice = new javax.swing.JComboBox();
bPlay = new javax.swing.JButton();
dimensionValuePanel = new javax.swing.JPanel();
lActivationValue = new javax.swing.JLabel();
tfActivationValue = new javax.swing.JTextField();
lEvaluationValue = new javax.swing.JLabel();
tfEvaluationValue = new javax.swing.JTextField();
lPowerValue = new javax.swing.JLabel();
tfPowerValue = new javax.swing.JTextField();
inputTextPanel = new javax.swing.JPanel();
lInputText = new javax.swing.JLabel();
cbInputText = new javax.swing.JComboBox();
ftPanel = new JFeeltracePanel();
lProsodyXML = new javax.swing.JLabel();
jScrollPane1 = new javax.swing.JScrollPane();
tpProsodyXML = new javax.swing.JTextPane();
jMenuBar1 = new javax.swing.JMenuBar();
optionsMenu = new javax.swing.JMenu();
showPowerMenuItem = new javax.swing.JCheckBoxMenuItem();
showMaryXMLMenuItem = new javax.swing.JCheckBoxMenuItem();
setLayout(new java.awt.GridBagLayout());
// Manually added, Feb. 2006:
cbLanguage = new JComboBox();
cbLanguage.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
cbLanguageItemStateChanged(evt);
}
});
audioPanel.add(cbLanguage);
lVoice.setText("Voice:");
audioPanel.add(lVoice);
cbVoice.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
cbVoiceItemStateChanged(evt);
}
});
audioPanel.add(cbVoice);
bPlay.setText("Play");
bPlay.setMnemonic('P');
bPlay.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
bPlayActionPerformed(evt);
}
});
audioPanel.add(bPlay);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 3;
gridBagConstraints.insets = new java.awt.Insets(10, 10, 10, 10);
gridBagConstraints.anchor = GridBagConstraints.WEST;
add(audioPanel, gridBagConstraints);
dimensionValuePanel.setLayout(new java.awt.GridLayout(3, 2));
lActivationValue.setText("Activation");
dimensionValuePanel.add(lActivationValue);
tfActivationValue.setText("0");
tfActivationValue.setPreferredSize(new java.awt.Dimension(40, 21));
tfActivationValue.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tfActivationValueActionPerformed(evt);
}
});
tfActivationValue.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
tfActivationValueFocusLost(evt);
}
});
dimensionValuePanel.add(tfActivationValue);
lEvaluationValue.setText("Evaluation");
dimensionValuePanel.add(lEvaluationValue);
tfEvaluationValue.setText("0");
tfEvaluationValue.setPreferredSize(new java.awt.Dimension(40, 21));
tfEvaluationValue.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tfEvaluationValueActionPerformed(evt);
}
});
tfEvaluationValue.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
tfEvaluationValueFocusLost(evt);
}
});
dimensionValuePanel.add(tfEvaluationValue);
lPowerValue.setText("Power");
dimensionValuePanel.add(lPowerValue);
tfPowerValue.setText("0");
tfPowerValue.setPreferredSize(new java.awt.Dimension(40, 21));
tfPowerValue.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tfPowerValueActionPerformed(evt);
}
});
tfPowerValue.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
tfPowerValueFocusLost(evt);
}
});
dimensionValuePanel.add(tfPowerValue);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 1;
gridBagConstraints.gridheight = 3;
gridBagConstraints.insets = new java.awt.Insets(0, 0, 0, 4);
add(dimensionValuePanel, gridBagConstraints);
lInputText.setHorizontalAlignment(javax.swing.SwingConstants.TRAILING);
lInputText.setText("Text:");
inputTextPanel.add(lInputText);
cbInputText.setEditable(true);
cbInputText.setFont(new java.awt.Font("Dialog", 0, 10));
cbInputText.setToolTipText("Type or select the text to be spoken.");
cbInputText.setPreferredSize(new java.awt.Dimension(350, 26));
cbInputText.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
cbInputTextActionPerformed(evt);
}
});
cbInputText.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
cbInputTextItemStateChanged(evt);
}
});
inputTextPanel.add(cbInputText);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
add(inputTextPanel, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridwidth = 2;
gridBagConstraints.weightx = 0.2;
gridBagConstraints.weighty = 0.2;
add(ftPanel, gridBagConstraints);
lProsodyXML.setText("Prosody XML:");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 4;
add(lProsodyXML, gridBagConstraints);
jScrollPane1.setHorizontalScrollBarPolicy(javax.swing.JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
jScrollPane1.setVerticalScrollBarPolicy(javax.swing.JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
jScrollPane1.setPreferredSize(new java.awt.Dimension(400, 100));
tpProsodyXML.setBorder(new javax.swing.border.EtchedBorder());
tpProsodyXML.setEditable(false);
tpProsodyXML.setPreferredSize(new java.awt.Dimension(400, 100));
jScrollPane1.setViewportView(tpProsodyXML);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 5;
gridBagConstraints.gridwidth = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.weightx = 0.2;
gridBagConstraints.weighty = 0.2;
gridBagConstraints.insets = new java.awt.Insets(4, 2, 4, 2);
add(jScrollPane1, gridBagConstraints);
optionsMenu.setText("Options");
optionsMenu.setMnemonic('O');
optionsMenu.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
optionsMenuActionPerformed(evt);
}
});
showPowerMenuItem.setSelected(true);
showPowerMenuItem.setText("Show Power");
showPowerMenuItem.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
showPowerMenuItemItemStateChanged(evt);
}
});
optionsMenu.add(showPowerMenuItem);
showMaryXMLMenuItem.setSelected(true);
showMaryXMLMenuItem.setText("Show Prosody XML");
showMaryXMLMenuItem.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
showMaryXMLMenuItemItemStateChanged(evt);
}
});
optionsMenu.add(showMaryXMLMenuItem);
jMenuBar1.add(optionsMenu);
}// GEN-END:initComponents
private void tfActivationValueActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_tfActivationValueActionPerformed
updateFeeltraceModelFromTextFields();
}// GEN-LAST:event_tfActivationValueActionPerformed
private void tfEvaluationValueFocusLost(java.awt.event.FocusEvent evt) {// GEN-FIRST:event_tfEvaluationValueFocusLost
updateFeeltraceModelFromTextFields();
}// GEN-LAST:event_tfEvaluationValueFocusLost
private void bPlayActionPerformed(java.awt.event.ActionEvent evt) {
if (bPlay.getText().equals("Play")) {
try {
preparePlayAudio();
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(this, e.getMessage(), "Cannot play audio", JOptionPane.ERROR_MESSAGE);
return;
}
bPlay.setText("Stop");
playAudio();
} else {
bPlay.setText("Play");
if (clip != null) {
clip.stop();
}
}
}
private void optionsMenuActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_optionsMenuActionPerformed
// Add your handling code here:
}// GEN-LAST:event_optionsMenuActionPerformed
private void cbInputTextItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_cbInputTextItemStateChanged
if (evt.getStateChange() == java.awt.event.ItemEvent.SELECTED) { // new item selected
requestUpdateProsodyXML();
}
}// GEN-LAST:event_cbInputTextItemStateChanged
// Manually added, Feb. 2006
private void cbLanguageItemStateChanged(java.awt.event.ItemEvent evt) {
if (evt.getStateChange() == java.awt.event.ItemEvent.SELECTED) { // new item selected
updateVoices();
updateSampleTexts();
}
}
private Vector readSampleTexts(Locale locale) {
Vector texts = new Vector();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(this.getClass().getResourceAsStream(
"sampletexts_" + locale.getLanguage() + ".txt"), "UTF-8"));
String line;
while ((line = br.readLine()) != null) {
if (!line.trim().equals(""))
texts.add(line);
}
} catch (Exception e) {
}
return texts;
}
private Locale getSelectedLanguage() {
String displayLanguage = (String) cbLanguage.getSelectedItem();
return (Locale) localeByDisplayLanguage.get(displayLanguage);
}
private void updateVoices() {
Locale locale = getSelectedLanguage();
cbVoice.removeAllItems();
Vector voices = (Vector) voicesByLocale.get(locale);
assert voices != null;
for (Iterator it = voices.iterator(); it.hasNext();) {
MaryClient.Voice v = (MaryClient.Voice) it.next();
cbVoice.addItem(v);
if (v.name().equals("de7") || v.name().equals("de6") || v.name().equals("us1")) {
cbVoice.setSelectedItem(v);
}
}
}
private void updateSampleTexts() {
Locale locale = getSelectedLanguage();
cbInputText.removeAllItems();
Vector texts = (Vector) sampleTextsByLocale.get(locale);
assert texts != null;
if (texts.size() == 0) {
return;
}
for (Iterator it = texts.iterator(); it.hasNext();) {
String s = (String) it.next();
cbInputText.addItem(s);
}
cbInputText.removeItemAt(0);
cbInputText.setSelectedIndex(0);
}
private void showPowerMenuItemItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_showPowerMenuItemItemStateChanged
if (evt.getStateChange() == java.awt.event.ItemEvent.SELECTED) { // new item selected
ftPanel.setShowPower(true);
} else { // deselected
ftPanel.setShowPower(false);
bPlay.requestFocusInWindow();
}
ftPanel.verifyPowerVisible();
verifyPowerVisible();
}// GEN-LAST:event_showPowerMenuItemItemStateChanged
private void showMaryXMLMenuItemItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_showMaryXMLMenuItemItemStateChanged
if (evt.getStateChange() == java.awt.event.ItemEvent.SELECTED) { // new item selected
jScrollPane1.setVisible(true);
lProsodyXML.setVisible(true);
} else { // deselected
jScrollPane1.setVisible(false);
lProsodyXML.setVisible(false);
bPlay.requestFocusInWindow();
}
}// GEN-LAST:event_showMaryXMLMenuItemItemStateChanged
private void cbVoiceItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_cbVoiceItemStateChanged
if (evt.getStateChange() == java.awt.event.ItemEvent.SELECTED) { // new item selected
requestUpdateProsodyXML();
}
}// GEN-LAST:event_cbVoiceItemStateChanged
private void cbInputTextActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_cbInputTextActionPerformed
Object item = cbInputText.getSelectedItem();
if (((DefaultComboBoxModel) cbInputText.getModel()).getIndexOf(item) == -1) {
// new sentence typed in, remember it
cbInputText.addItem(item);
}
requestUpdateProsodyXML();
}// GEN-LAST:event_cbInputTextActionPerformed
private void tfPowerValueActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_tfPowerValueActionPerformed
updatePowerModelFromTextFields();
}// GEN-LAST:event_tfPowerValueActionPerformed
private void tfEvaluationValueActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_tfEvaluationValueActionPerformed
updateFeeltraceModelFromTextFields();
}// GEN-LAST:event_tfEvaluationValueActionPerformed
private void tfActivationValueFocusLost(java.awt.event.FocusEvent evt) {// GEN-FIRST:event_tfActivationValueFocusLost
updateFeeltraceModelFromTextFields();
}// GEN-LAST:event_tfActivationValueFocusLost
private void tfPowerValueFocusLost(java.awt.event.FocusEvent evt) {// GEN-FIRST:event_tfPowerValueFocusLost
updatePowerModelFromTextFields();
}// GEN-LAST:event_tfPowerValueFocusLost
public void requestExit() {
emoTransformer.requestExit();
if (synthesiseAsynchronously)
asynchronousSynthesiser.requestExit();
}
private synchronized void customInitComponents() throws IOException, UnknownHostException {
if (synthesiseAsynchronously) {
if (maryServerHost == null) {
asynchronousSynthesiser = new AsynchronousThreadedMaryClient(this);
} else {
asynchronousSynthesiser = new AsynchronousThreadedMaryClient(this, maryServerHost, maryServerPort, false, false);
}
asynchronousSynthesiser.start();
} else {
if (maryServerHost == null) {
synchronousSynthesiser = MaryClient.getMaryClient();
} else {
synchronousSynthesiser = MaryClient.getMaryClient(new Address(maryServerHost, maryServerPort), false, false);
}
}
try {
emoTransformer = new EmoTransformer(this);
} catch (Exception ex) {
ex.printStackTrace();
}
emoTransformer.start();
verifyPowerVisible();
feeltraceModel().addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent e) {
updateFeeltraceDisplays();
requestUpdateProsodyXML();
}
});
if (ftPanel.showPower()) {
powerModel().addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent e) {
updatePowerDisplays();
requestUpdateProsodyXML();
}
});
}
Vector voiceInfo;
if (synthesiseAsynchronously) {
voiceInfo = asynchronousSynthesiser.getServerVoices();
} else {
voiceInfo = synchronousSynthesiser.getGeneralDomainVoices();
}
if (voiceInfo == null) {
String host;
int port;
if (synthesiseAsynchronously) {
host = asynchronousSynthesiser.getHost();
port = asynchronousSynthesiser.getPort();
} else {
host = synchronousSynthesiser.getHost();
port = synchronousSynthesiser.getPort();
}
JOptionPane.showMessageDialog(null, "Cannot start EmoSpeak: Server " + host + ":" + port
+ " has no general domain voices!", "No voices available", JOptionPane.ERROR_MESSAGE);
System.exit(1);
}
voicesByLocale = new HashMap();
sampleTextsByLocale = new HashMap();
localeByDisplayLanguage = new HashMap();
for (Iterator it = voiceInfo.iterator(); it.hasNext();) {
MaryClient.Voice v = (MaryClient.Voice) it.next();
if (!voicesByLocale.containsKey(v.getLocale())) {
voicesByLocale.put(v.getLocale(), new Vector());
}
Vector localeVoices = (Vector) voicesByLocale.get(v.getLocale());
localeVoices.add(v);
if (v.getLocale().equals(Locale.GERMAN))
haveGerman = true;
}
for (Iterator it = voicesByLocale.keySet().iterator(); it.hasNext();) {
Locale locale = (Locale) it.next();
sampleTextsByLocale.put(locale, readSampleTexts(locale));
localeByDisplayLanguage.put(locale.getDisplayLanguage(), locale);
cbLanguage.addItem(locale.getDisplayLanguage());
}
if (haveGerman)
cbLanguage.setSelectedItem(Locale.GERMAN);
updateVoices();
updateSampleTexts();
}
private void updateFeeltraceModelFromTextFields() {
boolean validA = false;
boolean validE = false;
int A = 0;
int E = 0;
try {
A = Integer.parseInt(tfActivationValue.getText());
if (feeltraceModel().getMinY() <= A && A <= feeltraceModel().getMaxY()) {
validA = true;
}
} catch (NumberFormatException e) {
}
try {
E = Integer.parseInt(tfEvaluationValue.getText());
if (feeltraceModel().getMinX() <= E && E <= feeltraceModel().getMaxX()) {
validE = true;
}
} catch (NumberFormatException e) {
}
int newA = validA ? A : feeltraceModel().getY();
int newE = validE ? E : feeltraceModel().getX();
feeltraceModel().setXY(newE, newA);
}
private void updatePowerModelFromTextFields() {
boolean valid = false;
int value = 0;
try {
value = Integer.parseInt(tfPowerValue.getText());
if (value >= powerModel().getMinimum() && value <= powerModel().getMaximum()) {
valid = true;
}
} catch (NumberFormatException e) {
}
if (valid)
// adopt new value
powerModel().setValue(value);
else
// reset display to old value
tfPowerValue.setText(String.valueOf(powerModel().getValue()));
}
protected void paintComponent(java.awt.Graphics graphics) {
verifyPowerVisible();
super.paintComponent(graphics);
}
private void verifyPowerVisible() {
lPowerValue.setVisible(ftPanel.showPower());
tfPowerValue.setVisible(ftPanel.showPower());
}
private void updateFeeltraceDisplays() {
tfActivationValue.setText(String.valueOf(feeltraceModel().getY()));
tfEvaluationValue.setText(String.valueOf(feeltraceModel().getX()));
}
private void updatePowerDisplays() {
tfPowerValue.setText(String.valueOf(powerModel().getValue()));
}
private void requestUpdateProsodyXML() {
Object selectedText = cbInputText.getSelectedItem();
if (selectedText == null)
return;
String text = selectedText.toString();
emoTransformer.setEmotionValues(feeltraceModel().getY(), feeltraceModel().getX(), powerModel().getValue(), text,
getSelectedLanguage(), r++);
}
public synchronized void updateProsodyXML(String prosodyxmlString, int r1) {
tpProsodyXML.setText(prosodyxmlString);
if (synthesiseAsynchronously) {
MaryClient.Voice maryClientVoice = (MaryClient.Voice) cbVoice.getSelectedItem();
assert maryClientVoice != null;
asynchronousSynthesiser.scheduleRequest(prosodyxmlString, maryClientVoice, r1);
}
}
private void preparePlayAudio() throws Exception {
if (synthesiseAsynchronously) {
if (nextAudio != null) {
currentAudio = nextAudio;
nextAudio = null;
}
} else { // synthesise now
ByteArrayOutputStream os = new ByteArrayOutputStream();
synchronousSynthesiser.process(tpProsodyXML.getText(), "RAWMARYXML", "AUDIO",
((MaryClient.Voice) cbVoice.getSelectedItem()).getLocale().toString(), "AU",
((MaryClient.Voice) cbVoice.getSelectedItem()).name(), os);
byte[] bytes = os.toByteArray();
currentAudio = AudioSystem.getAudioInputStream(new ByteArrayInputStream(bytes));
}
if (currentAudio == null && (clip == null || !clip.isOpen())) {
bPlay.setEnabled(false);
throw new Exception("No audio data to play (did synthesis succeed?)");
}
if (currentAudio != null) {
if (clip != null && clip.isOpen())
closeClip();
// Create new clip
DataLine.Info info = new DataLine.Info(Clip.class, currentAudio.getFormat());
clip = (Clip) AudioSystem.getLine(info);
clip.addLineListener(new LineListener() {
public void update(LineEvent le) {
if (le.getType() == LineEvent.Type.STOP) {
closeAudio();
}
}
});
clip.open(currentAudio);
currentAudio.close();
currentAudio = null;
}
// do this in particular for the previously played clips:
clip.setFramePosition(0);
// And now, clip.start() will play
}
private void playAudio() {
assert clip != null && clip.isOpen();
clip.start();
}
private void closeAudio() {
bPlay.setText("Play");
}
private void closeClip() {
// workaround for a bug in Linux-based Java VM from Sun:
if (!(System.getProperty("java.vendor").equals("Sun Microsystems Inc.") && System.getProperty("os.name").equals("Linux"))) {
clip.close();
}
}
public void setNextAudio(javax.sound.sampled.AudioInputStream audioInputStream) {
nextAudio = audioInputStream;
}
private javax.swing.JTextField tfPowerValue;
private javax.swing.JCheckBoxMenuItem showPowerMenuItem;
private javax.swing.JComboBox cbInputText;
private javax.swing.JLabel lPowerValue;
private javax.swing.JButton bPlay;
private javax.swing.JTextPane tpProsodyXML;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JCheckBoxMenuItem showMaryXMLMenuItem;
private javax.swing.JLabel lActivationValue;
private javax.swing.JPanel inputTextPanel;
private javax.swing.JTextField tfActivationValue;
private javax.swing.JLabel lVoice;
private javax.swing.JLabel lProsodyXML;
private javax.swing.JMenu optionsMenu;
private javax.swing.JPanel dimensionValuePanel;
private JFeeltracePanel ftPanel;
private javax.swing.JComboBox cbVoice;
private javax.swing.JPanel audioPanel;
private javax.swing.JLabel lInputText;
private javax.swing.JLabel lEvaluationValue;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JTextField tfEvaluationValue;
private JComboBox cbLanguage;
}