cbranchinputpin.h

最近在学习directshow, Directshow实务精选的源代码

//
// CBranchInputPin.h
//

#ifndef __H_CBranchInputPin__
#define __H_CBranchInputPin__

class CFilterVideoKeyer;
class CBranchInputPin : public CBaseInputPin
{
private:
	CFilterVideoKeyer *   mFilter;
	CCritSec              mSyncStream;

public:
	CBranchInputPin(CFilterVideoKeyer * inFilter, HRESULT * phr, LPCWSTR inPinName);
	~CBranchInputPin();

	// check that we can support this output type
	HRESULT CheckMediaType(const CMediaType* mtIn);

	STDMETHODIMP Receive(IMediaSample * pSample);
	STDMETHODIMP EndOfStream(void);
	STDMETHODIMP BeginFlush(void);
	STDMETHODIMP EndFlush(void);

public:
	CMediaType& CurrentMediaType(void) { return m_mt; };
};

#endif // __H_CBranchInputPin__