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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
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**
****************************************************************************/
#ifndef DIRECTSHOWBASEFILTER_H
#define DIRECTSHOWBASEFILTER_H
#include "directshowpin.h"
QT_BEGIN_NAMESPACE
class DirectShowBaseFilter : public IBaseFilter
{
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;
// IPersist
STDMETHODIMP GetClassID(CLSID *pClassID) override;
// IMediaFilter
STDMETHODIMP Run(REFERENCE_TIME tStart) override;
STDMETHODIMP Pause() override;
STDMETHODIMP Stop() override;
STDMETHODIMP GetState(DWORD dwMilliSecsTimeout, FILTER_STATE *pState) override;
STDMETHODIMP SetSyncSource(IReferenceClock *pClock) override;
STDMETHODIMP GetSyncSource(IReferenceClock **ppClock) override;
// IBaseFilter
STDMETHODIMP EnumPins(IEnumPins **ppEnum) override;
STDMETHODIMP FindPin(LPCWSTR Id, IPin **ppPin) override;
STDMETHODIMP JoinFilterGraph(IFilterGraph *pGraph, LPCWSTR pName) override;
STDMETHODIMP QueryFilterInfo(FILTER_INFO *pInfo) override;
STDMETHODIMP QueryVendorInfo(LPWSTR *pVendorInfo) override;
protected:
QRecursiveMutex m_mutex;
FILTER_STATE m_state = State_Stopped;
IFilterGraph *m_graph = nullptr;
IReferenceClock *m_clock = nullptr;
IMediaEventSink *m_sink = nullptr;
QString m_filterName;
REFERENCE_TIME m_startTime = 0;
private:
Q_DISABLE_COPY(DirectShowBaseFilter)
};
QT_END_NAMESPACE
#endif // DIRECTSHOWBASEFILTER_H
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