gstreamer/subprojects/gst-plugins-bad/sys/directshow/strmbase/baseclasses/amextra.h

56 lines
1.6 KiB
C++

//------------------------------------------------------------------------------
// File: AMExtra.h
//
// Desc: DirectShow base classes.
//
// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
#ifndef __AMEXTRA__
#define __AMEXTRA__
// Simple rendered input pin
//
// NOTE if your filter queues stuff before rendering then it may not be
// appropriate to use this class
//
// In that case queue the end of stream condition until the last sample
// is actually rendered and flush the condition appropriately
class CRenderedInputPin : public CBaseInputPin
{
public:
CRenderedInputPin(__in_opt LPCTSTR pObjectName,
__in CBaseFilter *pFilter,
__in CCritSec *pLock,
__inout HRESULT *phr,
__in_opt LPCWSTR pName);
#ifdef UNICODE
CRenderedInputPin(__in_opt LPCSTR pObjectName,
__in CBaseFilter *pFilter,
__in CCritSec *pLock,
__inout HRESULT *phr,
__in_opt LPCWSTR pName);
#endif
// Override methods to track end of stream state
STDMETHODIMP EndOfStream();
STDMETHODIMP EndFlush();
HRESULT Active();
HRESULT Run(REFERENCE_TIME tStart);
protected:
// Member variables to track state
BOOL m_bAtEndOfStream; // Set by EndOfStream
BOOL m_bCompleteNotified; // Set when we notify for EC_COMPLETE
private:
void DoCompleteHandling();
};
#endif // __AMEXTRA__