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GAudioOutput.h
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GAudioOutput.h
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/*=====================================================================
PIXHAWK Micro Air Vehicle Flying Robotics Toolkit
(c) 2009, 2010 PIXHAWK PROJECT <http://pixhawk.ethz.ch>
This file is part of the PIXHAWK project
PIXHAWK 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.
PIXHAWK 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 PIXHAWK. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
/**
* @file
* @brief Definition of audio output
*
* @author Lorenz Meier <[email protected]>
*
*/
#ifndef GAUDIOOUTPUT_H
#define GAUDIOOUTPUT_H
#include <QObject>
#include <QTimer>
#include <QThread>
#include <QStringList>
#include "QGCAudioWorker.h"
#include "QGCToolbox.h"
class QGCApplication;
/**
* @brief Audio Output (speech synthesizer and "beep" output)
* This class follows the singleton design pattern
* @see http://en.wikipedia.org/wiki/Singleton_pattern
*/
class GAudioOutput : public QGCTool
{
Q_OBJECT
public:
GAudioOutput(QGCApplication* app);
~GAudioOutput();
/** @brief List available voices */
QStringList listVoices(void);
enum
{
VOICE_MALE = 0,
VOICE_FEMALE
} QGVoice;
enum AUDIO_SEVERITY
{
AUDIO_SEVERITY_EMERGENCY = 0,
AUDIO_SEVERITY_ALERT = 1,
AUDIO_SEVERITY_CRITICAL = 2,
AUDIO_SEVERITY_ERROR = 3,
AUDIO_SEVERITY_WARNING = 4,
AUDIO_SEVERITY_NOTICE = 5,
AUDIO_SEVERITY_INFO = 6,
AUDIO_SEVERITY_DEBUG = 7
};
/** @brief Get the mute state */
bool isMuted();
public slots:
/** @brief Say this text if current output priority matches */
bool say(const QString& text, int severity = 6);
/** @brief Mute/unmute sound */
void mute(bool mute);
signals:
void mutedChanged(bool);
bool textToSpeak(QString text, int severity = 1);
void beepOnce();
protected:
bool muted;
#if !defined __android__
QThread* thread;
QGCAudioWorker* worker;
#endif
private:
static const char* _mutedKey;
};
#endif // AUDIOOUTPUT_H