#ifndef DS_OUTPUTPIN_H#define DS_OUTPUTPIN_H/* "output pin" - the one that connects to output of filter. */#include "allocator.h"typedef struct _COutputMemPin COutputMemPin;typedef struct _COutputPin COutputPin;/** Callback routine for copying samples from pin into filter \param pUserData pointer to user's data \param sample IMediaSample*/typedef HRESULT STDCALL (*SAMPLEPROC)(void* pUserData, IMediaSample* sample);struct _COutputPin{    IPin_vt* vt;    DECLARE_IUNKNOWN();    COutputMemPin* mempin;    AM_MEDIA_TYPE type;    IPin* remote;    SAMPLEPROC SampleProc;    void* pUserData;    void ( *SetNewFormat )(COutputPin*, const AM_MEDIA_TYPE* a);    void ( *SetBuffer )(COutputPin*, char*);};COutputPin* COutputPinCreate(const AM_MEDIA_TYPE* amt, SAMPLEPROC SampleProc, void* pUserData);#endif /* DS_OUTPUTPIN_H */