seekpt.h

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//------------------------------------------------------------------------------
// File: SeekPT.h
//
// Desc: DirectShow base classes.
//
// Copyright (c) 1992-2001 Microsoft Corporation.  All rights reserved.
//------------------------------------------------------------------------------
 
 
#ifndef __seekpt_h__
#define __seekpt_h__
 
 
class CSeekingPassThru : public ISeekingPassThru, public CUnknown
{
public:
    static CUnknown *CreateInstance(__inout_opt LPUNKNOWN pUnk, __inout HRESULT *phr);
    CSeekingPassThru(__in_opt LPCTSTR pName, __inout_opt LPUNKNOWN pUnk, __inout HRESULT *phr);
    ~CSeekingPassThru();
 
    DECLARE_IUNKNOWN;
    STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, __deref_out void ** ppv);
 
    STDMETHODIMP Init(BOOL bSupportRendering, IPin *pPin);
 
private:
    CPosPassThru              *m_pPosPassThru;
};
 
#endif