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276 lines
9.3 KiB
276 lines
9.3 KiB
/****************************************************************************
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Main speaking functions for the FreeTTS Plug in
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-------------------
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Copyright : (C) 2004 Paul Giannaros
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-------------------
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Original author: Paul Giannaros <ceruleanblaze@gmail.com>
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Current Maintainer: Paul Giannaros <ceruleanblaze@gmail.com>
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******************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; version 2 of the License. *
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* *
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***************************************************************************/
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#include <tqstring.h>
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#include <tqstringlist.h>
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#include <tqfileinfo.h>
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#include <kdebug.h>
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#include <tdeconfig.h>
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#include <kstandarddirs.h>
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#include <kprocess.h>
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#include "freettsproc.h"
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/** Constructor */
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FreeTTSProc::FreeTTSProc( TQObject* parent, const char* name, const TQStringList& /*args*/) :
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PlugInProc( parent, name ) {
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kdDebug() << "Running: FreeTTSProc::FreeTTSProc" << endl;
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m_state = psIdle;
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m_waitingStop = false;
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m_freettsProc = 0;
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}
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/** Desctructor */
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FreeTTSProc::~FreeTTSProc() {
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kdDebug() << "Running: FreeTTSProc::~FreeTTSProc" << endl;
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if (m_freettsProc) {
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stopText();
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delete m_freettsProc;
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}
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}
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/** Initializate the speech */
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bool FreeTTSProc::init(TDEConfig *config, const TQString &configGroup) {
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kdDebug() << "Running: FreeTTSProc::init()" << endl;
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kdDebug() << "Initializing plug in: FreeTTS" << endl;
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config->setGroup(configGroup);
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m_freettsJarPath = config->readEntry("FreeTTSJarPath", "freetts.jar");
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kdDebug() << "FreeTTSProc::init: path to freetts.jar: " << m_freettsJarPath << endl;
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return true;
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}
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/**
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* Say a text. Synthesize and audibilize it.
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* @param text The text to be spoken.
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*
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* If the plugin supports asynchronous operation, it should return immediately.
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*/
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void FreeTTSProc::sayText(const TQString &text) {
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synth(text, TQString(), m_freettsJarPath);
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}
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/**
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* Synthesize text into an audio file, but do not send to the audio device.
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* @param text The text to be synthesized.
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* @param suggestedFilename Full pathname of file to create. The plugin
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* may ignore this parameter and choose its own
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* filename. KTTSD will query the generated
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* filename using getFilename().
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*
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* If the plugin supports asynchronous operation, it should return immediately.
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*/
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void FreeTTSProc::synthText(const TQString& text, const TQString& suggestedFilename) {
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kdDebug() << "Running: FreeTTSProc::synthText" << endl;
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synth(text, suggestedFilename, m_freettsJarPath);
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}
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// A little helper function because KDE 3.2 kdDebug() does not support TQValueList<TQCString>.
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TQStringList argsToTQStringList(const TQValueList<TQCString> list)
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{
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TQStringList newList;
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TQValueList<TQCString>::ConstIterator it = list.begin();
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for ( ; it != list.end(); ++it ) newList.append(*it);
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return newList;
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}
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void FreeTTSProc::synth(
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const TQString &text,
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const TQString &synthFilename,
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const TQString& freettsJarPath) {
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kdDebug() << "Running: FreeTTSProc::synth" << endl;
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if (m_freettsProc) {
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if (m_freettsProc->isRunning()) m_freettsProc->kill();
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delete m_freettsProc;
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m_freettsProc = 0;
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}
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m_freettsProc = new TDEProcess;
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connect(m_freettsProc, TQ_SIGNAL(processExited(TDEProcess*)),
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this, TQ_SLOT(slotProcessExited(TDEProcess*)));
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connect(m_freettsProc, TQ_SIGNAL(receivedStdout(TDEProcess*, char*, int)),
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this, TQ_SLOT(slotReceivedStdout(TDEProcess*, char*, int)));
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connect(m_freettsProc, TQ_SIGNAL(receivedStderr(TDEProcess*, char*, int)),
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this, TQ_SLOT(slotReceivedStderr(TDEProcess*, char*, int)));
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connect(m_freettsProc, TQ_SIGNAL(wroteStdin(TDEProcess*)),
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this, TQ_SLOT(slotWroteStdin(TDEProcess* )));
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if (synthFilename.isNull())
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m_state = psSaying;
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else
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m_state = psSynthing;
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TQString saidText = text;
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saidText += "\n";
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/// As freetts.jar doesn't seem to like being called from an absolute path,
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/// we need to strip off the path to freetts.jar and pass it to
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/// TDEProcess::setWorkingDirectory()
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/// We could just strip off 11 characters from the end of the path to freetts.jar, but thats
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/// not exactly very portable...
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TQString filename = TQFileInfo(freettsJarPath).baseName().append(TQString(".").append(TQFileInfo(freettsJarPath).extension()));
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TQString freettsJarDir = freettsJarPath.left((freettsJarPath.length() - filename.length()) - 1);
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m_freettsProc->setWorkingDirectory(freettsJarDir);
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kdDebug() << "FreeTTSProc::synthText: moved to directory '" << freettsJarDir << "'" << endl;
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kdDebug() << "FreeTTSProc::synthText: Running file: '" << filename << "'" << endl;
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*m_freettsProc << "java" << "-jar" << filename;
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/// Dump audio into synthFilename
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if (!synthFilename.isNull()) *m_freettsProc << "-dumpAudio" << synthFilename;
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m_synthFilename = synthFilename;
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kdDebug() << "FreeTTSProc::synth: Synthing text: '" << saidText << "' using FreeTTS plug in" << endl;
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if (!m_freettsProc->start(TDEProcess::NotifyOnExit, TDEProcess::All)) {
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kdDebug() << "FreeTTSProc::synth: Error starting FreeTTS process. Is freetts.jar in the PATH?" << endl;
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m_state = psIdle;
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kdDebug() << "TDEProcess args: " << argsToTQStringList(m_freettsProc->args()) << endl;
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return;
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}
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kdDebug()<< "FreeTTSProc:synth: FreeTTS initialized" << endl;
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m_freettsProc->writeStdin(saidText.latin1(), saidText.length());
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}
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/**
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* Returning the filename of the synth'd text
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* @returns The filename of the last synth'd text
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*/
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TQString FreeTTSProc::getFilename() {
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kdDebug() << "FreeTTSProc::getFilename: returning " << m_synthFilename << endl;
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return m_synthFilename;
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}
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/**
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* Stop current operation (saying or synthesizing text).
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* Important: This function may be called from a thread different from the
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* one that called sayText or synthText.
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* If the plugin cannot stop an in-progress @ref sayText or
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* @ref synthText operation, it must not block waiting for it to complete.
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* Instead, return immediately.
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*
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* If a plugin returns before the operation has actually been stopped,
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* the plugin must emit the @ref stopped signal when the operation has
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* actually stopped.
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*
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* The plugin should change to the psIdle state after stopping the
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* operation.
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*/
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void FreeTTSProc::stopText() {
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kdDebug() << "FreeTTSProc::stopText:: Running" << endl;
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if (m_freettsProc) {
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if (m_freettsProc->isRunning()) {
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kdDebug() << "FreeTTSProc::stopText: killing FreeTTS." << endl;
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m_waitingStop = true;
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m_freettsProc->kill();
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}
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else m_state = psIdle;
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}
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else m_state = psIdle;
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kdDebug() << "FreeTTSProc::stopText: FreeTTS stopped." << endl;
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}
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void FreeTTSProc::slotProcessExited(TDEProcess*) {
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kdDebug() << "FreeTTSProc:slotProcessExited: FreeTTS process has exited." << endl;
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pluginState prevState = m_state;
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if (m_waitingStop) {
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m_waitingStop = false;
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m_state = psIdle;
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emit stopped();
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}
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else {
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m_state = psFinished;
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if (prevState == psSaying)
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emit sayFinished();
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else if (prevState == psSynthing)
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emit synthFinished();
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}
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}
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void FreeTTSProc::slotReceivedStdout(TDEProcess*, char* buffer, int buflen) {
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TQString buf = TQString::fromLatin1(buffer, buflen);
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kdDebug() << "FreeTTSProc::slotReceivedStdout: Received output from FreeTTS: " << buf << endl;
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}
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void FreeTTSProc::slotReceivedStderr(TDEProcess*, char* buffer, int buflen) {
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TQString buf = TQString::fromLatin1(buffer, buflen);
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kdDebug() << "FreeTTSProc::slotReceivedStderr: Received error from FreeTTS: " << buf << endl;
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}
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void FreeTTSProc::slotWroteStdin(TDEProcess*) {
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kdDebug() << "FreeTTSProc::slotWroteStdin: closing Stdin" << endl;
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m_freettsProc->closeStdin();
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}
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/**
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* Return the current state of the plugin.
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* This function only makes sense in asynchronous mode.
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* @return The pluginState of the plugin.
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*
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* @see pluginState
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*/
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pluginState FreeTTSProc::getState() {
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return m_state;
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}
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/**
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* Acknowledges a finished state and resets the plugin state to psIdle.
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*
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* If the plugin is not in state psFinished, nothing happens.
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* The plugin may use this call to do any post-processing cleanup,
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* for example, blanking the stored filename (but do not delete the file).
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* Calling program should call getFilename prior to ackFinished.
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*/
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void FreeTTSProc::ackFinished() {
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if (m_state == psFinished) {
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m_state = psIdle;
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m_synthFilename = TQString();
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}
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}
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/**
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* Returns True if the plugin supports asynchronous processing,
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* i.e., returns immediately from sayText or synthText.
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* @return True if this plugin supports asynchronous processing.
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*
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* If the plugin returns True, it must also implement @ref getState .
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* It must also emit @ref sayFinished or @ref synthFinished signals when
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* saying or synthesis is completed.
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*/
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bool FreeTTSProc::supportsAsync() {
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// return true;
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return true;
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}
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/**
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* Returns True if the plugIn supports synthText method,
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* i.e., is able to synthesize text to a sound file without
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* audibilizing the text.
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* @return True if this plugin supports synthText method.
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*/
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bool FreeTTSProc::supportsSynth() {
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// return true;
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return true;
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}
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#include "freettsproc.moc"
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