audiooutput.h

/*  This file is part of the KDE project.

Copyright (C) 2007 Trolltech ASA. All rights reserved.

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 <QtCore/QFile>
#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);
            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