1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QSOUNDEFFECT_PULSE_H

    43 #define QSOUNDEFFECT_PULSE_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API. It exists purely as an

    50 // implementation detail. This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 

    57 #include <QtCore/qobject.h>

    58 

    59 #include <QTime>

    60 

    61 #include <qmediaplayer.h>

    62 

    63 #include "qsoundeffect_p.h"

    64 

    65 #include <pulse/pulseaudio.h>

    66 

    67 QTM_USE_NAMESPACE

    68 

    69 class QNetworkReply;

    70 class QNetworkAccessManager;

    71 class WaveDecoder;

    72 

    73 class QSoundEffectPrivate : public QObject

    74 {

    75     Q_OBJECT

    76 public:

    77     explicit QSoundEffectPrivate(QObject* parent);

    78     ~QSoundEffectPrivate();

    79 

    80     qint64 duration() const;

    81     int volume() const;

    82     bool isMuted() const;

    83     QMediaContent media() const;

    84     QMediaPlayer::State state() const;

    85     QMediaPlayer::MediaStatus mediaStatus() const;

    86 

    87 public Q_SLOTS:

    88     void play();

    89     void stop();

    90     void setVolume(int volume);

    91     void setMuted(bool muted);

    92     void setMedia(const QMediaContent &media);

    93 

    94 Q_SIGNALS:

    95     void mediaChanged(const QMediaContent &media);

    96     void mediaStatusChanged(QMediaPlayer::MediaStatus status);

    97     void stateChanged(QMediaPlayer::State newState);

    98     void durationChanged(qint64 duration);

    99     void volumeChanged(int volume);

   100     void mutedChanged(bool muted);

   101     void error(QMediaPlayer::Error error);

   102 

   103 private slots:

   104     void decoderReady();

   105     void decoderError();

   106     void checkPlayTime();

   107 

   108 private:

   109     void loadSample();

   110     void unloadSample();

   111 

   112     void timerEvent(QTimerEvent *event);

   113 

   114     static void stream_write_callback(pa_stream *s, size_t length, void *userdata);

   115     static void stream_state_callback(pa_stream *s, void *userdata);

   116     static void play_callback(pa_context *c, int success, void *userdata);

   117 

   118     bool    m_muted;

   119     bool    m_playQueued;

   120     int     m_volume;

   121     int     m_duration;

   122     int     m_dataUploaded;

   123     QTime  m_playbackTime;

   124     QMediaPlayer::State m_state;

   125     QMediaPlayer::MediaStatus m_status;

   126     QByteArray m_name;

   127     QMediaContent   m_media;

   128     QNetworkReply *m_reply;

   129     WaveDecoder *m_waveDecoder;

   130     QIODevice *m_stream;

   131     QNetworkAccessManager *m_networkAccessManager;

   132 };

   133 

   134 #endif // QSOUNDEFFECT_PULSE_H