#include <windows.h> #include <dshow.h>

CMyTransformFilter(LPCTSTR pName, LPUNKNOWN pUnk, REFCLSID clsid); ~CMyTransformFilter();

class CMyTransformFilter : public CTransformFilter { public: DECLARE_IUNKNOWN STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);

HRESULT CMyTransformFilter::Transform(IMediaSample* pIn, IMediaSample* pOut) { // Implement your transform here. For visualizations, you'd likely render something // using Direct3D here, rather than transforming data. return S_OK; }