Microsoft Windows CE 3.0  

CTransInPlaceFilter::Transform

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Transforms the data in pSamplein place.

virtual HRESULT Transform(
IMediaSample *
pSample
) PURE;

Parameters

pSample
Pointer to the input IMediaSampleinterface.

Return Values

Returns an HRESULTvalue that depends on the implementation. HRESULTcan be one of the following standard constants, or other values not listed.

E_FAIL Failure.
E_POINTER Null pointer argument.
E_INVALIDARG Invalid argument.
E_NOTIMPL Method isn't supported.
S_OK or NOERROR Success.

Remarks

You must supply this member function in the derived class to perform the actual work of your filter. This member function is called by CTransInPlaceFilter::Receivebefore passing the sample on to the downstream filter. Transformcan return S_FALSE to indicate that the sample should not be delivered downstream.