myvtm/Other/libvideohorflip/filter.h

#pragma once

// {0305F095-9C24-47C0-B055-1F241D4B1945}
DEFINE_GUID(CLSID_VideoHozFlip, 
	0x305f095, 0x9c24, 0x47c0, 0xb0, 0x55, 0x1f, 0x24, 0x1d, 0x4b, 0x19, 0x45);

// {5C9E728D-A3D5-422C-8403-792B640B83F2}
DEFINE_GUID(CLSID_VideoGrabberRender, 
	0x5c9e728d, 0xa3d5, 0x422c, 0x84, 0x3, 0x79, 0x2b, 0x64, 0xb, 0x83, 0xf2);


#include <streams.h>

class VideoHozFlipFilter : public CTransInPlaceFilter
{
public:
	VideoHozFlipFilter(LPUNKNOWN punk, HRESULT *phr);

	DECLARE_IUNKNOWN;
	static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr);

	virtual HRESULT Transform(IMediaSample *pSample);

	virtual HRESULT CheckInputType(const CMediaType *mtIn);
};

class VideoGrabberRenderFilter : public CBaseRenderer
{
public:
	VideoGrabberRenderFilter(LPUNKNOWN punk, HRESULT *phr);

	DECLARE_IUNKNOWN;

	void SetCallback(void (*on_sample)(void *user_data, void *pData), void *user_data) 
	{
		m_on_sample = on_sample;
		m_user_data = user_data;
	}

	static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr);

	virtual HRESULT DoRenderSample(IMediaSample *pMediaSample);
	virtual HRESULT CheckMediaType(const CMediaType *);

private:
	void (*m_on_sample)(void *user_data, void *pData);
	void *m_user_data;
};