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#ifndef DIRECTSHOWPLAYERSERVICE_H

#define DIRECTSHOWPLAYERSERVICE_H

#include "../../src/multimedia/qmediaplayer.h"

#include "../../src/multimedia/qmediaresource.h"

#include "../../src/multimedia/qmediaservice.h"

#include "../../src/multimedia/qmediatimerange.h"

#include "directshoweventloop.h"

#include "directshowglobal.h"

#include <QtCore/qcoreevent.h>

#include <QtCore/qmutex.h>

#include <QtCore/qurl.h>

#include <QtCore/qwaitcondition.h>

class DirectShowAudioEndpointControl;

class DirectShowMetaDataControl;

class DirectShowPlayerControl;

class DirectShowVideoOutputControl;

class DirectShowVideoRendererControl;

class Vmr9VideoWindowControl;

QT_BEGIN_NAMESPACE

class QMediaContent;

QT_END_NAMESPACE

QT_USE_NAMESPACE

class DirectShowPlayerService : public QMediaService

{

    Q_OBJECT

public:

    enum StreamType

    {

        AudioStream = 0x01,

        VideoStream = 0x02

    };

    DirectShowPlayerService(QObject *parent = 0);

    ~DirectShowPlayerService();

    QMediaControl* control(const char *name) const;

    void load(const QMediaContent &media, QIODevice *stream);

    void play();

    void pause();

    void stop();

    qint64 position() const;

    QMediaTimeRange availablePlaybackRanges() const;

    void seek(qint64 position);

    void setRate(qreal rate);

    int bufferStatus() const;

    void setAudioOutput(IBaseFilter *filter);

    void setVideoOutput(IBaseFilter *filter);

protected:

    void customEvent(QEvent *event);

private Q_SLOTS:

    void videoOutputChanged();

private:

    void releaseGraph();

    void updateStatus();

    int findStreamTypes(IBaseFilter *source) const;

    int findStreamType(IPin *pin) const;

    bool isConnected(IBaseFilter *filter, PIN_DIRECTION direction) const;

    IBaseFilter *getConnected(IBaseFilter *filter, PIN_DIRECTION direction) const;

    void run();

    void doSetUrlSource(QMutexLocker *locker);

    void doSetStreamSource(QMutexLocker *locker);

    void doRender(QMutexLocker *locker);

    void doFinalizeLoad(QMutexLocker *locker);

    void doSetRate(QMutexLocker *locker);

    void doSeek(QMutexLocker *locker);

    void doPlay(QMutexLocker *locker);

    void doPause(QMutexLocker *locker);

    void doStop(QMutexLocker *locker);

    void doReleaseAudioOutput(QMutexLocker *locker);

    void doReleaseVideoOutput(QMutexLocker *locker);

    void doReleaseGraph(QMutexLocker *locker);

    void graphEvent(QMutexLocker *locker);

    enum Task

    {

        Shutdown           = 0x0001,

        SetUrlSource       = 0x0002,

        SetStreamSource    = 0x0004,

        SetSource          = SetUrlSource | SetStreamSource,

        SetAudioOutput     = 0x0008,

        SetVideoOutput     = 0x0010,

        SetOutputs         = SetAudioOutput | SetVideoOutput,

        Render             = 0x0020,

        FinalizeLoad       = 0x0040,

        SetRate            = 0x0080,

        Seek               = 0x0100,

        Play               = 0x0200,

        Pause              = 0x0400,

        Stop               = 0x0800,

        ReleaseGraph       = 0x1000,

        ReleaseAudioOutput = 0x2000,

        ReleaseVideoOutput = 0x4000,

        ReleaseFilters     = ReleaseGraph | ReleaseAudioOutput | ReleaseVideoOutput

    };

    enum Event

    {

        FinalizedLoad = QEvent::User,

        Error,

        RateChange,

        Started,

        Paused,

        DurationChange,

        StatusChange,

        EndOfMedia,

        PositionChange

    };

    enum GraphStatus

    {

        NoMedia,

        Loading,

        Loaded,

        InvalidMedia

    };

    DirectShowPlayerControl *m_playerControl;

    DirectShowMetaDataControl *m_metaDataControl;

    DirectShowVideoOutputControl *m_videoOutputControl;

    DirectShowVideoRendererControl *m_videoRendererControl;

    Vmr9VideoWindowControl *m_videoWindowControl;

    DirectShowAudioEndpointControl *m_audioEndpointControl;

    QThread *m_taskThread;

    DirectShowEventLoop *m_loop;

    int m_pendingTasks;

    int m_executingTask;

    int m_executedTasks;

    HANDLE m_taskHandle;

    HANDLE m_eventHandle;

    GraphStatus m_graphStatus;

    QMediaPlayer::Error m_error;

    QIODevice *m_stream;

    IFilterGraph2 *m_graph;

    IBaseFilter *m_source;

    IBaseFilter *m_audioOutput;

    IBaseFilter *m_videoOutput;

    int m_streamTypes;

    qreal m_rate;

    qint64 m_position;

    qint64 m_duration;

    bool m_buffering;

    bool m_seekable;

    bool m_atEnd;

    QMediaTimeRange m_playbackRange;

    QUrl m_url;

    QMediaResourceList m_resources;

    QString m_errorString;

    QMutex m_mutex;

    friend class DirectShowPlayerServiceThread;

};

#endif