GAudioOutput.h 3.38 KB
Newer Older
pixhawk's avatar
pixhawk committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
/*=====================================================================

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 <mavteam@student.ethz.ch>
 *
 */

#ifndef GAUDIOOUTPUT_H
#define GAUDIOOUTPUT_H

#include <QObject>
#include <QTimer>
#include <QStringList>
38 39 40 41
#ifdef Q_OS_MAC
#include <Phonon>
#endif
#ifdef Q_OS_LINUX
42
//#include <flite/flite.h>
pixhawk's avatar
pixhawk committed
43 44
#include <Phonon/MediaObject>
#include <Phonon/AudioOutput>
45 46
#endif
#ifdef Q_OS_WIN
pixhawk's avatar
pixhawk committed
47 48
#include <Phonon/MediaObject>
#include <Phonon/AudioOutput>
49
#endif
pixhawk's avatar
pixhawk committed
50

51 52 53 54 55 56
/* For Snow leopard and later
#ifdef Q_OS_MAC
#include <NSSpeechSynthesizer.h>
#endif
   */

57
#ifdef Q_OS_LINUX2
lm's avatar
lm committed
58 59 60 61 62 63 64
extern "C" {
    cst_voice *REGISTER_VOX(const char *voxdir);
    void UNREGISTER_VOX(cst_voice *vox);
cst_voice* register_cmu_us_kal16(const char *voxdir);
}
#endif

pixhawk's avatar
pixhawk committed
65 66 67 68 69 70 71 72 73 74
/**
 * @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 QObject
{
    Q_OBJECT
public:
    /** @brief Get the singleton instance */
pixhawk's avatar
pixhawk committed
75
    static GAudioOutput* instance();
pixhawk's avatar
pixhawk committed
76 77
    /** @brief List available voices */
    QStringList listVoices(void);
78 79 80 81
    enum {
        VOICE_MALE = 0,
        VOICE_FEMALE
    } QGVoice;
pixhawk's avatar
pixhawk committed
82 83 84 85

public slots:
    /** @brief Say this text if current output priority matches */
    bool say(QString text, int severity=1);
86
    /** @brief Play alert sound and say notification message */
pixhawk's avatar
pixhawk committed
87 88 89 90 91 92 93 94 95
    bool alert(QString text);
    /** @brief Start emergency sound */
    bool startEmergency();
    /** @brief Stop emergency sound */
    bool stopEmergency();
    /** @brief Select female voice */
    void selectFemaleVoice();
    /** @brief Select male voice */
    void selectMaleVoice();
96
    /** @brief Play emergency sound once */
pixhawk's avatar
pixhawk committed
97
    void beep();
98 99 100 101
    /** @brief Notify about positive event */
    void notifyPositive();
    /** @brief Notify about negative event */
    void notifyNegative();
102 103 104 105
    /** @brief Mute/unmute sound */
    void mute(bool mute);
    /** @brief Get the mute state */
    bool isMuted();
pixhawk's avatar
pixhawk committed
106 107

protected:
108
#ifdef Q_OS_MAC
109 110
    //NSSpeechSynthesizer
#endif
111
#ifdef Q_OS_LINUX
lm's avatar
lm committed
112
    //cst_voice* voice; ///< The flite voice object
113
#endif
pixhawk's avatar
pixhawk committed
114 115 116 117 118
    int voiceIndex;   ///< The index of the flite voice to use (awb, slt, rms)
    Phonon::MediaObject* m_media; ///< The output object for audio
    Phonon::AudioOutput* m_audioOutput;
    bool emergency;   ///< Emergency status flag
    QTimer* emergencyTimer;
119
    bool muted;
pixhawk's avatar
pixhawk committed
120 121
private:
    GAudioOutput(QObject* parent=NULL);
122
	~GAudioOutput();
pixhawk's avatar
pixhawk committed
123 124 125
};

#endif // AUDIOOUTPUT_H