Added Windows Speech SDK / SAPI support

src/GAudioOutput.cc

-/*=====================================================================
-
-QGroundControl Open Source Ground Control Station
-
-(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
-
-This file is part of the QGROUNDCONTROL project
-
-    QGROUNDCONTROL 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, either version 3 of the License, or
-    (at your option) any later version.
-
-    QGROUNDCONTROL 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 General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
-
-======================================================================*/
-
-/**
- * @file
- *   @brief Implementation of audio output
- *
- *   @author Lorenz Meier <mavteam@student.ethz.ch>
- *
- */
-
-#include <QApplication>
-#include <QTemporaryFile>
-#include "GAudioOutput.h"
-#include "MG.h"
-
-#include <QDebug>
-
-#ifdef Q_OS_MAC
-#include <ApplicationServices/ApplicationServices.h>
-#endif
-
-// Speech synthesis is only supported with MSVC compiler
-#if _MSC_VER2
-// Documentation: http://msdn.microsoft.com/en-us/library/ee125082%28v=VS.85%29.aspx
-#include <sapi.h>
-using System;
-using System.Speech.Synthesis;
-#endif
-
-#ifdef Q_OS_LINUX
-extern "C" {
-#include <flite/flite.h>
-    cst_voice* register_cmu_us_kal(const char* voxdir);
-};
-#endif
-
-
-
-/**
- * This class follows the singleton design pattern
- * @see http://en.wikipedia.org/wiki/Singleton_pattern
- * A call to this function thus returns the only instance of this object
- * the call can occur at any place in the code, no reference to the
- * GAudioOutput object has to be passed.
- */
-GAudioOutput* GAudioOutput::instance()
-{
-    static GAudioOutput* _instance = 0;
-    if(_instance == 0) {
-        _instance = new GAudioOutput();
-        // Set the application as parent to ensure that this object
-        // will be destroyed when the main application exits
-        _instance->setParent(qApp);
-    }
-    return _instance;
-}
-
-GAudioOutput::GAudioOutput(QObject* parent) : QObject(parent),
-voiceIndex(0),
-emergency(false)
-{
-#ifdef Q_OS_LINUX
-    flite_init();
-#endif
-    // Initialize audio output
-    m_media = new Phonon::MediaObject(this);
-    Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
-    createPath(m_media, audioOutput);
-
-    // Prepare regular emergency signal, will be fired off on calling startEmergency()
-    emergencyTimer = new QTimer();
-    connect(emergencyTimer, SIGNAL(timeout()), this, SLOT(beep()));
-
-    switch (voiceIndex)
-    {
-    case 0:
-        selectFemaleVoice();
-        break;
-    default:
-        selectMaleVoice();
-        break;
-    }
-}
-
-bool GAudioOutput::say(QString text, int severity)
-{
-    // TODO Add severity filter
-    Q_UNUSED(severity);
-    bool res = false;
-    if (!emergency)
-    {
-
-        // Speech synthesis is only supported with MSVC compiler
-#ifdef _MSC_VER2
-        SpeechSynthesizer synth = new SpeechSynthesizer();
-        synth.SelectVoice("Microsoft Anna");
-        synth.SpeakText(text.toStdString().c_str());
-        res = true;
-#endif
-
-#ifdef Q_OS_LINUX
-        QTemporaryFile file;
-        file.setFileTemplate("XXXXXX.wav");
-        if (file.open())
-        {
-            cst_voice* v = register_cmu_us_kal(NULL);
-            cst_wave* wav = flite_text_to_wave(text.toStdString().c_str(), v);
-            // file.fileName() returns the unique file name
-            cst_wave_save(wav, file.fileName().toStdString().c_str(), "riff");
-            m_media->setCurrentSource(Phonon::MediaSource(file.fileName().toStdString().c_str()));
-            m_media->play();
-            res = true;
-        }
-#endif
-
-#ifdef Q_OS_MAC
-        // Slashes necessary to have the right start to the sentence
-        // copying data prevents SpeakString from reading additional chars
-        text = "\\" + text;
-        QStdWString str = text.toStdWString();
-        unsigned char str2[1024] = {};
-        memcpy(str2, text.toAscii().data(), str.length());
-        SpeakString(str2);
-        res = true;
-#endif
-    }
-    return res;
-}
-
-/**
- * @param text This message will be played after the alert beep
- */
-bool GAudioOutput::alert(QString text)
-{
-    if (!emergency)
-    {
-        // Play alert sound
-        beep();
-        // Say alert message
-        say(text, 2);
-        return true;
-    }
-    else
-    {
-        return false;
-    }
-}
-
-void GAudioOutput::notifyPositive()
-{
-    // Use QFile to transform path for all OS
-    QFile f(QCoreApplication::applicationDirPath()+QString("/audio/double_notify.wav"));
-    m_media->setCurrentSource(Phonon::MediaSource(f.fileName().toStdString().c_str()));
-    m_media->play();
-}
-
-void GAudioOutput::notifyNegative()
-{
-    // Use QFile to transform path for all OS
-    QFile f(QCoreApplication::applicationDirPath()+QString("/audio/flat_notify.wav"));
-    m_media->setCurrentSource(Phonon::MediaSource(f.fileName().toStdString().c_str()));
-    m_media->play();
-}
-
-/**
- * The emergency sound will be played continously during the emergency.
- * call stopEmergency() to disable it again. No speech synthesis or other
- * audio output is available during the emergency.
- *
- * @return true if the emergency could be started, false else
- */
-bool GAudioOutput::startEmergency()
-{
-    if (!emergency)
-    {
-        emergency = true;
-        // Beep immediately and then start timer
-        beep();
-        emergencyTimer->start(1500);
-        QTimer::singleShot(5000, this, SLOT(stopEmergency()));
-    }
-    return true;
-}
-
-/**
- * Stops the continous emergency sound. Use startEmergency() to start
- * the emergency sound.
- *
- * @return true if the emergency could be stopped, false else
- */
-bool GAudioOutput::stopEmergency()
-{
-    if (emergency)
-    {
-        emergency = false;
-        emergencyTimer->stop();
-    }
-    return true;
-}
-
-void GAudioOutput::beep()
-{
-    // Use QFile to transform path for all OS
-    QFile f(QCoreApplication::applicationDirPath()+QString("/audio/alert.wav"));
-    m_media->setCurrentSource(Phonon::MediaSource(f.fileName().toStdString().c_str()));
-    m_media->play();
-}
-
-void GAudioOutput::selectFemaleVoice()
-{
-#ifdef Q_OS_LINUX
-    //this->voice = register_cmu_us_slt(NULL);
-#endif
-}
-
-void GAudioOutput::selectMaleVoice()
-{
-#ifdef Q_OS_LINUX
-    //this->voice = register_cmu_us_rms(NULL);
-#endif
-}
-
-/*
-void GAudioOutput::selectNeutralVoice()
-{
-#ifdef Q_OS_LINUX
-    this->voice = register_cmu_us_awb(NULL);
-#endif
-}*/
-
-QStringList GAudioOutput::listVoices(void)
-{
-    QStringList l;
-#ifdef Q_OS_LINUX2
-    cst_voice *voice;
-    const cst_val *v;
-
-
-
-    printf("Voices available: ");
-    for (v=flite_voice_list; v; v=val_cdr(v))
-    {
-        voice = val_voice(val_car(v));
-        QString s;
-        s.sprintf("%s",voice->name);
-        printf("%s",voice->name);
-        l.append(s);
-    }
-    printf("\n");
-
-#endif
-    return l;
-
-}
+/*=====================================================================
+
+QGroundControl Open Source Ground Control Station
+
+(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+
+This file is part of the QGROUNDCONTROL project
+
+    QGROUNDCONTROL 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, either version 3 of the License, or
+    (at your option) any later version.
+
+    QGROUNDCONTROL 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+
+======================================================================*/
+
+/**
+ * @file
+ *   @brief Implementation of audio output
+ *
+ *   @author Lorenz Meier <mavteam@student.ethz.ch>
+ *
+ */
+
+#include <QApplication>
+#include <QTemporaryFile>
+#include "GAudioOutput.h"
+#include "MG.h"
+
+#include <QDebug>
+
+#ifdef Q_OS_MAC
+#include <ApplicationServices/ApplicationServices.h>
+#endif
+
+// Speech synthesis is only supported with MSVC compiler
+#if _MSC_VER
+// Documentation: http://msdn.microsoft.com/en-us/library/ee125082%28v=VS.85%29.aspx
+#define _ATL_APARTMENT_THREADED
+
+#include <atlbase.h>
+//You may derive a class from CComModule and use it if you want to override something,
+//but do not change the name of _Module
+extern CComModule _Module;
+#include <atlcom.h>
+
+#include <sapi.h>
+
+//using System;
+//using System.Speech.Synthesis;
+#endif
+
+#ifdef Q_OS_LINUX
+extern "C" {
+#include <flite/flite.h>
+    cst_voice* register_cmu_us_kal(const char* voxdir);
+};
+#endif
+
+
+
+/**
+ * This class follows the singleton design pattern
+ * @see http://en.wikipedia.org/wiki/Singleton_pattern
+ * A call to this function thus returns the only instance of this object
+ * the call can occur at any place in the code, no reference to the
+ * GAudioOutput object has to be passed.
+ */
+GAudioOutput* GAudioOutput::instance()
+{
+    static GAudioOutput* _instance = 0;
+    if(_instance == 0) {
+        _instance = new GAudioOutput();
+        // Set the application as parent to ensure that this object
+        // will be destroyed when the main application exits
+        _instance->setParent(qApp);
+    }
+    return _instance;
+}
+
+GAudioOutput::GAudioOutput(QObject* parent) : QObject(parent),
+voiceIndex(0),
+emergency(false)
+{
+#ifdef Q_OS_LINUX
+    flite_init();
+#endif
+
+	#if _MSC_VER
+
+		ISpVoice * pVoice = NULL;
+	    if (FAILED(::CoInitialize(NULL)))
+		{
+			qDebug("Creating COM object for audio output failed!");
+		}
+		else
+		{
+
+    HRESULT hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice;);
+    if( SUCCEEDED( hr ) )
+    {
+        hr = pVoice->Speak(L"Hello world", 0, NULL);
+        pVoice->Release();
+        pVoice = NULL;
+    }
+		}
+#endif
+    // Initialize audio output
+    m_media = new Phonon::MediaObject(this);
+    Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
+    createPath(m_media, audioOutput);
+
+    // Prepare regular emergency signal, will be fired off on calling startEmergency()
+    emergencyTimer = new QTimer();
+    connect(emergencyTimer, SIGNAL(timeout()), this, SLOT(beep()));
+
+    switch (voiceIndex)
+    {
+    case 0:
+        selectFemaleVoice();
+        break;
+    default:
+        selectMaleVoice();
+        break;
+    }
+}
+
+GAudioOutput::~GAudioOutput()
+{
+#ifdef _MSC_VER
+	::CoUninitialize();
+#endif
+}
+
+bool GAudioOutput::say(QString text, int severity)
+{
+    // TODO Add severity filter
+    Q_UNUSED(severity);
+    bool res = false;
+    if (!emergency)
+    {
+
+        // Speech synthesis is only supported with MSVC compiler
+#ifdef _MSC_VER2
+        SpeechSynthesizer synth = new SpeechSynthesizer();
+        synth.SelectVoice("Microsoft Anna");
+        synth.SpeakText(text.toStdString().c_str());
+        res = true;
+#endif
+
+#ifdef Q_OS_LINUX
+        QTemporaryFile file;
+        file.setFileTemplate("XXXXXX.wav");
+        if (file.open())
+        {
+            cst_voice* v = register_cmu_us_kal(NULL);
+            cst_wave* wav = flite_text_to_wave(text.toStdString().c_str(), v);
+            // file.fileName() returns the unique file name
+            cst_wave_save(wav, file.fileName().toStdString().c_str(), "riff");
+            m_media->setCurrentSource(Phonon::MediaSource(file.fileName().toStdString().c_str()));
+            m_media->play();
+            res = true;
+        }
+#endif
+
+#ifdef Q_OS_MAC
+        // Slashes necessary to have the right start to the sentence
+        // copying data prevents SpeakString from reading additional chars
+        text = "\\" + text;
+        QStdWString str = text.toStdWString();
+        unsigned char str2[1024] = {};
+        memcpy(str2, text.toAscii().data(), str.length());
+        SpeakString(str2);
+        res = true;
+#endif
+    }
+    return res;
+}
+
+/**
+ * @param text This message will be played after the alert beep
+ */
+bool GAudioOutput::alert(QString text)
+{
+    if (!emergency)
+    {
+        // Play alert sound
+        beep();
+        // Say alert message
+        say(text, 2);
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+void GAudioOutput::notifyPositive()
+{
+    // Use QFile to transform path for all OS
+    QFile f(QCoreApplication::applicationDirPath()+QString("/audio/double_notify.wav"));
+    m_media->setCurrentSource(Phonon::MediaSource(f.fileName().toStdString().c_str()));
+    m_media->play();
+}
+
+void GAudioOutput::notifyNegative()
+{
+    // Use QFile to transform path for all OS
+    QFile f(QCoreApplication::applicationDirPath()+QString("/audio/flat_notify.wav"));
+    m_media->setCurrentSource(Phonon::MediaSource(f.fileName().toStdString().c_str()));
+    m_media->play();
+}
+
+/**
+ * The emergency sound will be played continously during the emergency.
+ * call stopEmergency() to disable it again. No speech synthesis or other
+ * audio output is available during the emergency.
+ *
+ * @return true if the emergency could be started, false else
+ */
+bool GAudioOutput::startEmergency()
+{
+    if (!emergency)
+    {
+        emergency = true;
+        // Beep immediately and then start timer
+        beep();
+        emergencyTimer->start(1500);
+        QTimer::singleShot(5000, this, SLOT(stopEmergency()));
+    }
+    return true;
+}
+
+/**
+ * Stops the continous emergency sound. Use startEmergency() to start
+ * the emergency sound.
+ *
+ * @return true if the emergency could be stopped, false else
+ */
+bool GAudioOutput::stopEmergency()
+{
+    if (emergency)
+    {
+        emergency = false;
+        emergencyTimer->stop();
+    }
+    return true;
+}
+
+void GAudioOutput::beep()
+{
+    // Use QFile to transform path for all OS
+    QFile f(QCoreApplication::applicationDirPath()+QString("/audio/alert.wav"));
+    m_media->setCurrentSource(Phonon::MediaSource(f.fileName().toStdString().c_str()));
+    m_media->play();
+}
+
+void GAudioOutput::selectFemaleVoice()
+{
+#ifdef Q_OS_LINUX
+    //this->voice = register_cmu_us_slt(NULL);
+#endif
+}
+
+void GAudioOutput::selectMaleVoice()
+{
+#ifdef Q_OS_LINUX
+    //this->voice = register_cmu_us_rms(NULL);
+#endif
+}
+
+/*
+void GAudioOutput::selectNeutralVoice()
+{
+#ifdef Q_OS_LINUX
+    this->voice = register_cmu_us_awb(NULL);
+#endif
+}*/
+
+QStringList GAudioOutput::listVoices(void)
+{
+    QStringList l;
+#ifdef Q_OS_LINUX2
+    cst_voice *voice;
+    const cst_val *v;
+
+
+
+    printf("Voices available: ");
+    for (v=flite_voice_list; v; v=val_cdr(v))
+    {
+        voice = val_voice(val_car(v));
+        QString s;
+        s.sprintf("%s",voice->name);
+        printf("%s",voice->name);
+        l.append(s);
+    }
+    printf("\n");
+
+#endif
+    return l;
+
+}

src/GAudioOutput.h

@@ -114,6 +114,7 @@ protected:
     QTimer* emergencyTimer;
 private:
     GAudioOutput(QObject* parent=NULL);
+	~GAudioOutput();
 };
 
 #endif // AUDIOOUTPUT_H