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#ifndef DIRECTSHOWBASEFILTER_H
#define DIRECTSHOWBASEFILTER_H

#include "directshowpin.h"

QT_BEGIN_NAMESPACE

class DirectShowBaseFilter : public DirectShowObject
                           , public IBaseFilter
{
    DIRECTSHOW_OBJECT

public:
    DirectShowBaseFilter();
    virtual ~DirectShowBaseFilter();

    FILTER_STATE state() const { return m_state; }
    HRESULT NotifyEvent(long eventCode, LONG_PTR eventParam1, LONG_PTR eventParam2);

    virtual QList<DirectShowPin *> pins() = 0;

    // DirectShowObject
    HRESULT getInterface(const IID &riid, void **ppvObject);

    // IPersist
    STDMETHODIMP GetClassID(CLSID *pClassID);

    // IMediaFilter
    STDMETHODIMP Run(REFERENCE_TIME tStart);
    STDMETHODIMP Pause();
    STDMETHODIMP Stop();

    STDMETHODIMP GetState(DWORD dwMilliSecsTimeout, FILTER_STATE *pState);

    STDMETHODIMP SetSyncSource(IReferenceClock *pClock);
    STDMETHODIMP GetSyncSource(IReferenceClock **ppClock);

    // IBaseFilter
    STDMETHODIMP EnumPins(IEnumPins **ppEnum);
    STDMETHODIMP FindPin(LPCWSTR Id, IPin **ppPin);

    STDMETHODIMP JoinFilterGraph(IFilterGraph *pGraph, LPCWSTR pName);

    STDMETHODIMP QueryFilterInfo(FILTER_INFO *pInfo);
    STDMETHODIMP QueryVendorInfo(LPWSTR *pVendorInfo);

protected:
    QMutex m_mutex;
    FILTER_STATE m_state;
    IFilterGraph *m_graph;
    IReferenceClock *m_clock;
    IMediaEventSink *m_sink;
    QString m_filterName;
    REFERENCE_TIME m_startTime;

private:
    Q_DISABLE_COPY(DirectShowBaseFilter)
};

QT_END_NAMESPACE

#endif // DIRECTSHOWBASEFILTER_H