EZRGB24.H

//==========================================================================; 
// 
//  THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY 
//  KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR 
//  PURPOSE. 
// 
//  Copyright (c) 1992 - 1997  Microsoft Corporation.  All Rights Reserved. 
// 
//--------------------------------------------------------------------------; 
 
class CEZrgb24 : public CTransformFilter, 
 public IIPEffect, 
 public ISpecifyPropertyPages, 
 public CPersistStream 
{ 
 
public: 
 
    DECLARE_IUNKNOWN; 
    static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr); 
 
    // Reveals IEZrgb24 and ISpecifyPropertyPages 
    STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv); 
 
    // CPersistStream stuff 
    HRESULT ScribbleToStream(IStream *pStream); 
    HRESULT ReadFromStream(IStream *pStream); 
 
    // Overrriden from CTransformFilter base class 
 
    HRESULT Transform(IMediaSample *pIn, IMediaSample *pOut); 
    HRESULT CheckInputType(const CMediaType *mtIn); 
    HRESULT CheckTransform(const CMediaType *mtIn, const CMediaType *mtOut); 
    HRESULT DecideBufferSize(IMemAllocator *pAlloc, 
     ALLOCATOR_PROPERTIES *pProperties); 
    HRESULT GetMediaType(int iPosition, CMediaType *pMediaType); 
 
    // These implement the custom IIPEffect interface 
 
    STDMETHODIMP get_IPEffect(int *IPEffect, REFTIME *StartTime, REFTIME *Length); 
    STDMETHODIMP put_IPEffect(int IPEffect, REFTIME StartTime, REFTIME Length); 
 
    // ISpecifyPropertyPages interface 
    STDMETHODIMP GetPages(CAUUID *pPages); 
 
    // CPersistStream override 
    STDMETHODIMP GetClassID(CLSID *pClsid); 
 
private: 
 
    // Constructor 
    CEZrgb24(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr); 
 
    // Look after doing the special effect 
    BOOL CanPerformEZrgb24(const CMediaType *pMediaType) const; 
    HRESULT Copy(IMediaSample *pSource, IMediaSample *pDest) const; 
    HRESULT Transform(IMediaSample *pMediaSample); 
 
    CCritSecm_EZrgb24Lock;          // Private play critical section 
    int         m_effect;               // Which effect are we processing 
    CRefTimem_effectStartTime;      // When the effect will begin 
    CRefTimem_effectTime;           // And how long it will last for 
    const long m_lBufferRequest;// The number of buffers to use 
 
}; // EZrgb24