/*  This file is part of the KDE project.

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

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

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

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

This library 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 Lesser General Public License for more details.

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

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

*/

#ifndef PHONON_AUDIOOUTPUT_H

#define PHONON_AUDIOOUTPUT_H

#include "backendnode.h"

#include <phonon/audiooutputinterface.h>

#include "backend.h"

struct IBaseFilter;

struct IBasicAudio;

QT_BEGIN_NAMESPACE

namespace Phonon

{

    namespace DS9

    {

        class AudioOutput : public BackendNode, public Phonon::AudioOutputInterface

        {

            Q_OBJECT

                Q_INTERFACES(Phonon::AudioOutputInterface)

        public:

            AudioOutput(Backend *back, QObject *parent);

            ~AudioOutput();

            // Attributes Getters:

            qreal volume() const;

            int outputDevice() const;

            void setVolume(qreal newVolume);

            bool setOutputDevice(int newDevice);

            bool setOutputDevice(const AudioOutputDevice & newDevice);

            void setCrossFadingProgress(short currentIndex, qreal progress);

        Q_SIGNALS:

            void volumeChanged(qreal newVolume);

            void audioDeviceFailed();

        private:

            short m_currentIndex;

            qreal m_crossfadeProgress;

            int m_device;

            Backend *m_backend;

            qreal m_volume;

        };

    }

}

QT_END_NAMESPACE

#endif // PHONON_AUDIOOUTPUT_H