/*  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_QUICKTIMEAUDIOPLAYER_H

#define Phonon_QT7_QUICKTIMEAUDIOPLAYER_H

#include "backendheader.h"

#ifdef QUICKTIME_C_API_AVAILABLE

    #include <QuickTime/QuickTime.h>

    #undef check // avoid name clash;

#endif

#include <phonon/mediasource.h>

#include <Carbon/Carbon.h>

#include <QtCore/QString>

#include "audionode.h"

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace QT7

{

    class AudioGraph;

    class MediaNodeEvent;

    class QuickTimeVideoPlayer;

    class QuickTimeAudioPlayer : public AudioNode

    {

        public:

            enum State {Playing, Paused, NoMedia, NoState};

            QuickTimeAudioPlayer();

            virtual ~QuickTimeAudioPlayer();

            void play();

            void pause();

            void seek(quint64 milliseconds);

            void enableAudio(bool enable);

	        bool audioEnabled();

            void flush();

            void setVideoPlayer(QuickTimeVideoPlayer *videoPlayer);

            void unsetVideoPlayer();

            bool hasAudio();

            bool isPlaying();

            void scheduleAudioToGraph();

            long regularTaskFrequency();

            quint64 currentTime();

            QString currentTimeString();

            QuickTimeVideoPlayer *videoPlayer();

            ComponentDescription getAudioNodeDescription() const;

            void initializeAudioUnit();

            bool fillInStreamSpecification(AudioConnection *connection, ConnectionSide side);

            void mediaNodeEvent(const MediaNodeEvent *event);

            static bool soundPlayerIsAwailable();

        private:

            void initSoundExtraction();

            void newGraphNotification();

            void allocateSoundSlices();

            void scheduleSoundSlices();

            State m_state;

            QuickTimeVideoPlayer *m_videoPlayer;

#ifdef QUICKTIME_C_API_AVAILABLE

            MovieAudioExtractionRef m_audioExtractionRef;

#endif

            ScheduledAudioSlice *m_sliceList;

            AudioChannelLayout *m_audioChannelLayout;

            UInt32 m_audioChannelLayoutSize;

            AudioStreamBasicDescription m_audioStreamDescription;

            bool m_discrete;

            bool m_playerUnitStarted;

            bool m_audioExtractionComplete;

            bool m_audioEnabled;

            bool m_audioUnitIsReset;

            long m_samplesRemaining;

            int m_sliceCount;

            int m_maxExtractionPacketCount;

            Float64 m_sampleTimeStamp;

            quint64 m_startTime;

    };

}} // namespace Phonon::QT7

QT_END_NAMESPACE

#endif // Phonon_QT7_QUICKTIMEAUDIOPLAYER_H