/*  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_MEDIAOBJECT_H

#define Phonon_QT7_MEDIAOBJECT_H

#include <QtCore/QStringList>

#include <QtCore/QTime>

#include <phonon/mediaobjectinterface.h>

#include <phonon/addoninterface.h>

#include "medianode.h"

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace QT7

{

    class QuickTimeVideoPlayer;

    class QuickTimeAudioPlayer;

    class QuickTimeMetaData;

    class AudioGraph;

    class MediaObjectAudioNode;

    class MediaObject : public MediaNode,

        public Phonon::MediaObjectInterface, public Phonon::AddonInterface

    {

        Q_OBJECT

        Q_INTERFACES(Phonon::MediaObjectInterface Phonon::AddonInterface)

    public:

        MediaObject(QObject *parent);

        ~MediaObject();

        QStringList availableAudioStreams() const;

        QStringList availableVideoStreams() const;

        QStringList availableSubtitleStreams() const;

        QString currentAudioStream(const QObject *audioPath) const;

        QString currentVideoStream(const QObject *videoPath) const;

        QString currentSubtitleStream(const QObject *videoPath) const;

        void setCurrentAudioStream(const QString &streamName,const QObject *audioPath);

        void setCurrentVideoStream(const QString &streamName,const QObject *videoPath);

        void setCurrentSubtitleStream(const QString &streamName,const QObject *videoPath);

        void play();

        void pause();

        void stop();

        void seek(qint64 milliseconds);

        qint32 tickInterval() const;

        void setTickInterval(qint32 interval);

        bool hasVideo() const;

        bool isSeekable() const;

        qint64 currentTime() const;

        Phonon::State state() const;

        QString errorString() const;

        Phonon::ErrorType errorType() const;

        qint64 totalTime() const;

        MediaSource source() const;

        void setSource(const MediaSource &);

        void setNextSource(const MediaSource &source);

        qint32 prefinishMark() const;

        void setPrefinishMark(qint32);

        qint32 transitionTime() const;

        void setTransitionTime(qint32);

        bool hasInterface(Interface interface) const;

        QVariant interfaceCall(Interface interface, int command, const QList<QVariant> &arguments = QList<QVariant>());

        QuickTimeVideoPlayer* videoPlayer() const;

        QuickTimeAudioPlayer* audioPlayer() const;

        void setVolumeOnMovie(float volume);

        bool setAudioDeviceOnMovie(int id);

		int videoOutputCount();

    signals:

        void stateChanged(Phonon::State,Phonon::State);

        void tick(qint64);

        void seekableChanged(bool);

        void hasVideoChanged(bool);

        void bufferStatus(int);

        void finished();

        void aboutToFinish();

        void prefinishMarkReached(qint32);

        void totalTimeChanged(qint64);

        void metaDataChanged(QMultiMap<QString,QString>);

        void currentSourceChanged(const MediaSource &newSource);

    protected:

        void mediaNodeEvent(const MediaNodeEvent *event);

        bool event(QEvent *event);

    private:

        enum AudioSystem {AS_Unset, AS_Video, AS_Graph, AS_Silent} m_audioSystem;

        Phonon::State m_state;

        QuickTimeVideoPlayer *m_videoPlayer;

        QuickTimeAudioPlayer *m_audioPlayer;

        QuickTimeVideoPlayer *m_nextVideoPlayer;

        QuickTimeAudioPlayer *m_nextAudioPlayer;

        MediaObjectAudioNode *m_mediaObjectAudioNode;

        QuickTimeMetaData *m_metaData;

        qint32 m_tickInterval;

        qint32 m_transitionTime;

        quint32 m_prefinishMark;

        quint32 m_currentTime;

        float m_percentageLoaded;

        int m_tickTimer;

        int m_bufferTimer;

        int m_rapidTimer;

        bool m_waitNextSwap;

        int m_swapTimeLeft;

        QTime m_swapTime;

        void synchAudioVideo();

        void updateCurrentTime();

        void swapCurrentWithNext(qint32 transitionTime);

        bool setState(Phonon::State state);

        void pause_internal();

        void play_internal();

        void setupAudioSystem();

        void updateTimer(int &timer, int interval);

        void bufferAudioVideo();

        void updateRapidly();

        void updateCrossFade();

        void updateAudioBuffers();

        void updateLipSynch(int allowedOffset);

        void updateVideoFrames();

        void updateBufferStatus();

        void setMute(bool mute);

		void inspectAudioGraphRecursive(AudioConnection *connection, int &effectCount, int &outputCount);

		void inspectVideoGraphRecursive(MediaNode *node, int &effectCount, int &outputCount);

        void inspectGraph();

        bool isCrossFading();

        QString m_errorString;

        Phonon::ErrorType m_errorType;

        bool checkForError();

	    int m_audioEffectCount;

	    int m_audioOutputCount;

	    int m_videoEffectCount;

	    int m_videoOutputCount;

    };

}} //namespace Phonon::QT7

QT_END_NAMESPACE

#endif // Phonon_QT7_MEDIAOBJECT_H