www.pudn.com > AVChat0926.rar > CXInputPin.h

// 
// CXInputPin.h 
// 
 
#ifndef __H_CMemDestInputPin__ 
#define __H_CMemDestInputPin__ 
 
#include "GlobalDefs.h" 
 
class CFilterNetSender; 
class CXInputPin : public CRenderedInputPin 
{ 
	friend class CFilterNetSender; 
 
private: 
	CFilterNetSender *	mFilter; 
	CCritSec			mReceiveLock; 
 
	SOCKET				mSocket; 
	SOCKADDR_IN         mAddr; 
	Pack_Header			mPackHeader; 
	BOOL				mIsMediaTypeSent; 
 
public: 
	CXInputPin(CFilterNetSender *pFilter, HRESULT *phr); 
	~CXInputPin(); 
 
	// Filter delegating methods 
	void SetStreamSocket(SOCKET inSocket); 
	void CancelPendingSend(void); 
	void SetTargetAddress(SOCKADDR_IN inAddr) 
	{ 
		mAddr = inAddr; 
	} 
 
	// Do something with this media sample 
	STDMETHODIMP Receive(IMediaSample *pSample); 
	STDMETHODIMP EndOfStream(void); 
	STDMETHODIMP BeginFlush(void); 
	STDMETHODIMP EndFlush(void); 
	STDMETHODIMP ReceiveCanBlock(void); 
 
	// Check if the pin can support this specific proposed type and format 
	HRESULT CheckMediaType(const CMediaType * inMediaType); 
 
//private: 
//	int SendMediaType(void); 
public: 
	// 得到媒体类型,省去从对方接收这个参数的过程,在整个通信中采用统一的媒体类型 
	BYTE* GetpbFormat(int& nSize); 
}; 
 
#endif // __H_CMemDestInputPin__