?? cfiltertitleoverlay.h
字號(hào):
//
// 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__
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