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#ifndef DIRECTSHOWMETADATACONTROL_H
#define DIRECTSHOWMETADATACONTROL_H

#include <dshow.h>

#include <qmetadatareadercontrol.h>

#include "directshowglobal.h"

#include <QtCore/qcoreevent.h>

QT_BEGIN_NAMESPACE

class DirectShowMetaDataControl : public QMetaDataReaderControl
{
    Q_OBJECT
public:
    DirectShowMetaDataControl(QObject *parent = nullptr);
    ~DirectShowMetaDataControl() override;

    bool isMetaDataAvailable() const override;

    QVariant metaData(const QString &key) const override;
    QStringList availableMetaData() const override;

    void setMetadata(const QVariantMap &metadata);

    static void updateMetadata(const QString &fileSrc, QVariantMap &metadata);
    static void updateMetadata(IFilterGraph2 *graph, IBaseFilter *source, QVariantMap &metadata);

private:
    void setMetadataAvailable(bool available);

    enum Event
    {
        MetaDataChanged = QEvent::User
    };

    QVariantMap m_metadata;
    bool m_available = false;
};

QT_END_NAMESPACE

#endif
