MFCreateSampleGrabberSinkActivate function (mfidl.h)
Creates an activation object for the sample grabber media sink.
Syntax
HRESULT MFCreateSampleGrabberSinkActivate(
IMFMediaType *pIMFMediaType,
IMFSampleGrabberSinkCallback *pIMFSampleGrabberSinkCallback,
IMFActivate **ppIActivate
);
Parameters
pIMFMediaType
Pointer to the IMFMediaType interface, defining the media type for the sample grabber's input stream.
pIMFSampleGrabberSinkCallback
Pointer to the IMFSampleGrabberSinkCallback interface of a callback object. The caller must implement this interface.
ppIActivate
Receives a pointer to the IMFActivate interface. Use this interface to complete the creation of the sample grabber. The caller must release the interface.
Return value
If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
To create the sample grabber sink, call IMFActivate::ActivateObject on the pointer received in the ppIActivate parameter.
Before calling ActivateObject, you can configure the sample grabber by setting any of the following attributes on the ppIActivate pointer:
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2008 [desktop apps only] |
Target Platform | Windows |
Header | mfidl.h |
Library | Mf.lib |
DLL | Mf.dll |