1 /*  This file is part of the KDE project.

     2 

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

     4 

     5 This library is free software: you can redistribute it and/or modify

     6 it under the terms of the GNU Lesser General Public License as published by

     7 the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9 This library is distributed in the hope that it will be useful,

    10 but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 GNU Lesser General Public License for more details.

    13 

    14 You should have received a copy of the GNU Lesser General Public License

    15 along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef PHONON_AUDIOOUTPUT_H

    19 #define PHONON_AUDIOOUTPUT_H

    20 

    21 #include "backendnode.h"

    22 #include <phonon/audiooutputinterface.h>

    23 

    24 #include "backend.h"

    25 

    26 struct IBaseFilter;

    27 struct IBasicAudio;

    28 

    29 QT_BEGIN_NAMESPACE

    30 

    31 namespace Phonon

    32 {

    33     namespace DS9

    34     {

    35         class AudioOutput : public BackendNode, public Phonon::AudioOutputInterface

    36         {

    37             Q_OBJECT

    38                 Q_INTERFACES(Phonon::AudioOutputInterface)

    39         public:

    40             AudioOutput(Backend *back, QObject *parent);

    41             ~AudioOutput();

    42 

    43             // Attributes Getters:

    44             qreal volume() const;

    45             int outputDevice() const;

    46             void setVolume(qreal newVolume);

    47             bool setOutputDevice(int newDevice);

    48             bool setOutputDevice(const AudioOutputDevice & newDevice);

    49             void setCrossFadingProgress(short currentIndex, qreal progress);

    50 

    51         Q_SIGNALS:

    52             void volumeChanged(qreal newVolume);

    53             void audioDeviceFailed();

    54 

    55         private:

    56             short m_currentIndex;

    57             qreal m_crossfadeProgress;

    58 

    59             int m_device;

    60             Backend *m_backend;

    61             qreal m_volume;

    62         };

    63     }

    64 }

    65 

    66 QT_END_NAMESPACE

    67 

    68 #endif // PHONON_AUDIOOUTPUT_H