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/****************************************************************************
Main speaking functions for the FreeTTS Plug in
-------------------
Copyright : (C) 2004 Paul Giannaros
-------------------
Original author: Paul Giannaros <[email protected]>
Current Maintainer: Paul Giannaros <[email protected]>
******************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; version 2 of the License. *
* *
***************************************************************************/
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqfileinfo.h>
#include <kdebug.h>
#include <kconfig.h>
#include <kstandarddirs.h>
#include <kprocess.h>
#include "freettsproc.h"
/** Constructor */
FreeTTSProc::FreeTTSProc( TQObject* parent, const char* name, const TQStringList& /*args*/) :
PlugInProc( parent, name ) {
kdDebug() << "Running: FreeTTSProc::FreeTTSProc" << endl;
m_state = psIdle;
m_waitingStop = false;
m_freettsProc = 0;
}
/** Desctructor */
FreeTTSProc::~FreeTTSProc() {
kdDebug() << "Running: FreeTTSProc::~FreeTTSProc" << endl;
if (m_freettsProc) {
stopText();
delete m_freettsProc;
}
}
/** Initializate the speech */
bool FreeTTSProc::init(KConfig *config, const TQString &configGroup) {
kdDebug() << "Running: FreeTTSProc::init()" << endl;
kdDebug() << "Initializing plug in: FreeTTS" << endl;
config->setGroup(configGroup);
m_freettsJarPath = config->readEntry("FreeTTSJarPath", "freetts.jar");
kdDebug() << "FreeTTSProc::init: path to freetts.jar: " << m_freettsJarPath << endl;
return true;
}
/**
* Say a text. Synthesize and audibilize it.
* @param text The text to be spoken.
*
* If the plugin supports asynchronous operation, it should return immediately.
*/
void FreeTTSProc::sayText(const TQString &text) {
synth(text, TQString(), m_freettsJarPath);
}
/**
* Synthesize text into an audio file, but do not send to the audio device.
* @param text The text to be synthesized.
* @param suggestedFilename Full pathname of file to create. The plugin
* may ignore this parameter and choose its own
* filename. KTTSD will query the generated
* filename using getFilename().
*
* If the plugin supports asynchronous operation, it should return immediately.
*/
void FreeTTSProc::synthText(const TQString& text, const TQString& suggestedFilename) {
kdDebug() << "Running: FreeTTSProc::synthText" << endl;
synth(text, suggestedFilename, m_freettsJarPath);
}
// A little helper function because KDE 3.2 kdDebug() does not support TQValueList<TQCString>.
TQStringList argsToTQStringList(const TQValueList<TQCString> list)
{
TQStringList newList;
TQValueList<TQCString>::ConstIterator it = list.begin();
for ( ; it != list.end(); ++it ) newList.append(*it);
return newList;
}
void FreeTTSProc::synth(
const TQString &text,
const TQString &synthFilename,
const TQString& freettsJarPath) {
kdDebug() << "Running: FreeTTSProc::synth" << endl;
if (m_freettsProc) {
if (m_freettsProc->isRunning()) m_freettsProc->kill();
delete m_freettsProc;
m_freettsProc = 0;
}
m_freettsProc = new KProcess;
connect(m_freettsProc, TQT_SIGNAL(processExited(KProcess*)),
this, TQT_SLOT(slotProcessExited(KProcess*)));
connect(m_freettsProc, TQT_SIGNAL(receivedStdout(KProcess*, char*, int)),
this, TQT_SLOT(slotReceivedStdout(KProcess*, char*, int)));
connect(m_freettsProc, TQT_SIGNAL(receivedStderr(KProcess*, char*, int)),
this, TQT_SLOT(slotReceivedStderr(KProcess*, char*, int)));
connect(m_freettsProc, TQT_SIGNAL(wroteStdin(KProcess*)),
this, TQT_SLOT(slotWroteStdin(KProcess* )));
if (synthFilename.isNull())
m_state = psSaying;
else
m_state = psSynthing;
TQString saidText = text;
saidText += "\n";
/// As freetts.jar doesn't seem to like being called from an absolute path,
/// we need to strip off the path to freetts.jar and pass it to
/// KProcess::setWorkingDirectory()
/// We could just strip off 11 characters from the end of the path to freetts.jar, but thats
/// not exactly very portable...
TQString filename = TQFileInfo(freettsJarPath).baseName().append(TQString(".").append(TQFileInfo(freettsJarPath).extension()));
TQString freettsJarDir = freettsJarPath.left((freettsJarPath.length() - filename.length()) - 1);
m_freettsProc->setWorkingDirectory(freettsJarDir);
kdDebug() << "FreeTTSProc::synthText: moved to directory '" << freettsJarDir << "'" << endl;
kdDebug() << "FreeTTSProc::synthText: Running file: '" << filename << "'" << endl;
*m_freettsProc << "java" << "-jar" << filename;
/// Dump audio into synthFilename
if (!synthFilename.isNull()) *m_freettsProc << "-dumpAudio" << synthFilename;
m_synthFilename = synthFilename;
kdDebug() << "FreeTTSProc::synth: Synthing text: '" << saidText << "' using FreeTTS plug in" << endl;
if (!m_freettsProc->start(KProcess::NotifyOnExit, KProcess::All)) {
kdDebug() << "FreeTTSProc::synth: Error starting FreeTTS process. Is freetts.jar in the PATH?" << endl;
m_state = psIdle;
kdDebug() << "KProcess args: " << argsToTQStringList(m_freettsProc->args()) << endl;
return;
}
kdDebug()<< "FreeTTSProc:synth: FreeTTS initialized" << endl;
m_freettsProc->writeStdin(saidText.latin1(), saidText.length());
}
/**
* Returning the filename of the synth'd text
* @returns The filename of the last synth'd text
*/
TQString FreeTTSProc::getFilename() {
kdDebug() << "FreeTTSProc::getFilename: returning " << m_synthFilename << endl;
return m_synthFilename;
}
/**
* Stop current operation (saying or synthesizing text).
* Important: This function may be called from a thread different from the
* one that called sayText or synthText.
* If the plugin cannot stop an in-progress @ref sayText or
* @ref synthText operation, it must not block waiting for it to complete.
* Instead, return immediately.
*
* If a plugin returns before the operation has actually been stopped,
* the plugin must emit the @ref stopped signal when the operation has
* actually stopped.
*
* The plugin should change to the psIdle state after stopping the
* operation.
*/
void FreeTTSProc::stopText() {
kdDebug() << "FreeTTSProc::stopText:: Running" << endl;
if (m_freettsProc) {
if (m_freettsProc->isRunning()) {
kdDebug() << "FreeTTSProc::stopText: killing FreeTTS." << endl;
m_waitingStop = true;
m_freettsProc->kill();
}
else m_state = psIdle;
}
else m_state = psIdle;
kdDebug() << "FreeTTSProc::stopText: FreeTTS stopped." << endl;
}
void FreeTTSProc::slotProcessExited(KProcess*) {
kdDebug() << "FreeTTSProc:slotProcessExited: FreeTTS process has exited." << endl;
pluginState prevState = m_state;
if (m_waitingStop) {
m_waitingStop = false;
m_state = psIdle;
emit stopped();
}
else {
m_state = psFinished;
if (prevState == psSaying)
emit sayFinished();
else if (prevState == psSynthing)
emit synthFinished();
}
}
void FreeTTSProc::slotReceivedStdout(KProcess*, char* buffer, int buflen) {
TQString buf = TQString::tqfromLatin1(buffer, buflen);
kdDebug() << "FreeTTSProc::slotReceivedStdout: Received output from FreeTTS: " << buf << endl;
}
void FreeTTSProc::slotReceivedStderr(KProcess*, char* buffer, int buflen) {
TQString buf = TQString::tqfromLatin1(buffer, buflen);
kdDebug() << "FreeTTSProc::slotReceivedStderr: Received error from FreeTTS: " << buf << endl;
}
void FreeTTSProc::slotWroteStdin(KProcess*) {
kdDebug() << "FreeTTSProc::slotWroteStdin: closing Stdin" << endl;
m_freettsProc->closeStdin();
}
/**
* Return the current state of the plugin.
* This function only makes sense in asynchronous mode.
* @return The pluginState of the plugin.
*
* @see pluginState
*/
pluginState FreeTTSProc::getState() {
return m_state;
}
/**
* Acknowledges a finished state and resets the plugin state to psIdle.
*
* If the plugin is not in state psFinished, nothing happens.
* The plugin may use this call to do any post-processing cleanup,
* for example, blanking the stored filename (but do not delete the file).
* Calling program should call getFilename prior to ackFinished.
*/
void FreeTTSProc::ackFinished() {
if (m_state == psFinished) {
m_state = psIdle;
m_synthFilename = TQString();
}
}
/**
* Returns True if the plugin supports asynchronous processing,
* i.e., returns immediately from sayText or synthText.
* @return True if this plugin supports asynchronous processing.
*
* If the plugin returns True, it must also implement @ref getState .
* It must also emit @ref sayFinished or @ref synthFinished signals when
* saying or synthesis is completed.
*/
bool FreeTTSProc::supportsAsync() {
// return true;
return true;
}
/**
* Returns True if the plugIn supports synthText method,
* i.e., is able to synthesize text to a sound file without
* audibilizing the text.
* @return True if this plugin supports synthText method.
*/
bool FreeTTSProc::supportsSynth() {
// return true;
return true;
}
#include "freettsproc.moc"
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