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#ifndef QGSTREAMERPLAYERCONTROL_H
#define QGSTREAMERPLAYERCONTROL_H

#include <QtCore/qobject.h>

#include <QtMediaServices/qmediaplayercontrol.h>
#include <QtMediaServices/qmediaplayer.h>

#include <limits.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QMediaPlaylist;
class QGstreamerPlayerSession;
class QGstreamerPlayerService;
class QMediaPlaylistNavigator;
class QSocketNotifier;

class QGstreamerPlayerControl : public QMediaPlayerControl
{
    Q_OBJECT

public:
    QGstreamerPlayerControl(QGstreamerPlayerSession *session, QObject *parent = 0);
    ~QGstreamerPlayerControl();

    QMediaPlayer::State state() const;
    QMediaPlayer::MediaStatus mediaStatus() const;

    qint64 position() const;
    qint64 duration() const;

    int bufferStatus() const;

    int volume() const;
    bool isMuted() const;

    bool isAudioAvailable() const;
    bool isVideoAvailable() const;
    void setVideoOutput(QObject *output);

    bool isSeekable() const;
    QMediaTimeRange availablePlaybackRanges() const;

    qreal playbackRate() const;
    void setPlaybackRate(qreal rate);

    QMediaContent media() const;
    const QIODevice *mediaStream() const;
    void setMedia(const QMediaContent&, QIODevice *);

public Q_SLOTS:
    void setPosition(qint64 pos);

    void play();
    void pause();
    void stop();

    void setVolume(int volume);
    void setMuted(bool muted);

private Q_SLOTS:
    void writeFifo();
    void fifoReadyWrite(int socket);

    void updateState(QMediaPlayer::State);
    void processEOS();
    void setBufferProgress(int progress);

private:
    bool openFifo();
    void closeFifo();
    void playOrPause(QMediaPlayer::State state);

    QGstreamerPlayerSession *m_session;
    QMediaPlayer::State m_state;
    QMediaPlayer::MediaStatus m_mediaStatus;
    int m_bufferProgress;
    bool m_seekToStartPending;
    QMediaContent m_currentResource;
    QIODevice *m_stream;
    QSocketNotifier *m_fifoNotifier;
    int m_fifoFd[2];
    bool m_fifoCanWrite;
    int m_bufferSize;
    int m_bufferOffset;
    char m_buffer[PIPE_BUF];
};

QT_END_NAMESPACE

QT_END_HEADER

#endif