www.pudn.com > aa.rar > CFilterTitleOverlay.h

// 
// CFilterTitleOverlay.h 
// 
 
#ifndef __H_CFilterTitleOverlay__ 
#define __H_CFilterTitleOverlay__ 
 
#include "ITitleOverlay.h" 
#include "COverlayController.h" 
#include "OverlayDefs.h" 
 
class CFilterTitleOverlay : public CTransInPlaceFilter 
						  , public ISpecifyPropertyPages 
						  , public ITitleOverlay 
{ 
private: 
	OVERLAY_TYPE            mOverlayType; 
	COverlayController *    mOverlayController; 
 
	CCritSec                mITitleOverlaySync; 
	BOOL                    mNeedEstimateFrameRate; 
 
private: 
	CFilterTitleOverlay(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr); 
	~CFilterTitleOverlay(); 
 
	HRESULT SetInputVideoInfoToController(void); 
	void ReleaseOverlayController(void); 
	void SideEffectOverlayTypeChanged(void); 
 
public: 
	static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr); 
	DECLARE_IUNKNOWN; 
	// Basic COM - used here to reveal our own interfaces 
	STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv); 
 
	// check if you can support mtIn 
    virtual HRESULT CheckInputType(const CMediaType* mtIn); // PURE 
	virtual HRESULT Transform(IMediaSample *pSample); // PURE 
 
	// Delegating methods 
	virtual HRESULT CompleteConnect(PIN_DIRECTION direction, IPin *pReceivePin); 
	virtual HRESULT StartStreaming(); 
    virtual HRESULT StopStreaming(); 
 
	// --- ISpecifyPropertyPages --- 
	STDMETHODIMP GetPages(CAUUID *pPages); 
 
	// --- ITitleOverlay methods --- 
	STDMETHODIMP put_TitleOverlayType(long inOverlayType); 
	STDMETHODIMP get_TitleOverlayType(long * outOverlayType); 
	STDMETHODIMP put_TitleOverlayStyle(int inUsingCover); 
	STDMETHODIMP get_TitleOverlayStyle(int * outUsingCover); 
	STDMETHODIMP put_Title(const char * inTitle, int inLength); 
	STDMETHODIMP get_Title(char * outBuffer, int * outLength); 
	STDMETHODIMP put_TitleColor(BYTE inR, BYTE inG, BYTE inB); 
	STDMETHODIMP get_TitleColor(BYTE * outR, BYTE * outG, BYTE * outB); 
	STDMETHODIMP put_TitleStartPosition(POINT inStartPos); 
	STDMETHODIMP get_TitleStartPosition(POINT * outStartPos); 
	STDMETHODIMP put_TitleFont(LOGFONT inFont); 
	STDMETHODIMP get_TitleFont(LOGFONT * outFont); 
	STDMETHODIMP put_TitleDuration(double inStart, double inEnd); 
	STDMETHODIMP get_TitleDuration(double * outStart, double * outEnd); 
}; 
 
#endif // __H_CFilterTitleOverlay__