/*  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_QT7_MEDIAOBJECTAUDIONODE_H

#define Phonon_QT7_MEDIAOBJECTAUDIONODE_H

#include <QtCore/qnamespace.h>

#include "audionode.h"

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace QT7

{

    class QuickTimeAudioPlayer;

    class AudioMixerAudioNode;

    class AudioConnection;

    class MediaObjectAudioNode : public AudioNode

    {

        public:

            MediaObjectAudioNode(QuickTimeAudioPlayer *player1, QuickTimeAudioPlayer *player2);

            ~MediaObjectAudioNode();

            // Overridden section from AudioNode:

            void createAndConnectAUNodes();

            void createAudioUnits();

            void setGraph(AudioGraph *audioGraph);

            AUNode getOutputAUNode();

            bool fillInStreamSpecification(AudioConnection *connection, ConnectionSide side);

            bool setStreamSpecification(AudioConnection *connection, ConnectionSide side);

            void startCrossFade(qint64 duration);

            void updateCrossFade(qint64 currentTime);

            void cancelCrossFade();

            void setMute(bool mute);

            bool isCrossFading();

            QuickTimeAudioPlayer *m_player1;

            QuickTimeAudioPlayer *m_player2;

            AudioMixerAudioNode *m_mixer;

            AudioConnection *m_connection1;

            AudioConnection *m_connection2;

            float m_fadeDuration;

            float m_volume1;

            float m_volume2;

            float m_mute;

            float applyCurve(float volume);

            void updateVolume();

            void mediaNodeEvent(const MediaNodeEvent *event);

    };

}} //namespace Phonon::QT7

QT_END_NAMESPACE

#endif // Phonon_QT7_MEDIAOBJECTAUDIONODE_H