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#ifndef QGSTREAMERV4L2INPUT_H

#define QGSTREAMERV4L2INPUT_H

#include <QtCore/qhash.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qlist.h>

#include <QtCore/qsize.h>

#include "qgstreamercapturesession.h"

QT_USE_NAMESPACE

class QGstreamerV4L2Input : public QObject, public QGstreamerVideoInput

{

    Q_OBJECT

public:

    QGstreamerV4L2Input(QObject *parent = 0);

    virtual ~QGstreamerV4L2Input();

    GstElement *buildElement();

    QList<qreal> supportedFrameRates(const QSize &frameSize = QSize()) const;

    QList<QSize> supportedResolutions(qreal frameRate = -1) const;

    QByteArray device() const;

public slots:

    void setDevice(const QByteArray &device);

    void setDevice(const QString &device);

private:

    void updateSupportedResolutions(const QByteArray &device);

    QList<qreal> m_frameRates;

    QList<QSize> m_resolutions;

    QHash<QSize, QSet<int> > m_ratesByResolution;

    QByteArray m_device;

};

#endif // QGSTREAMERV4L2INPUT_H