MFCreateSampleGrabberSinkActivate function
Creates an activation object for the sample grabber media sink.
Syntax
HRESULT MFCreateSampleGrabberSinkActivate( IMFMediaType *pIMFMediaType, IMFSampleGrabberSinkCallback *pIMFSampleGrabberSinkCallback, IMFActivate **ppIActivate );
Parameters
- pIMFMediaType
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Pointer to the IMFMediaType interface, defining the media type for the sample grabber's input stream.
- pIMFSampleGrabberSinkCallback
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Pointer to the IMFSampleGrabberSinkCallback interface of a callback object. The caller must implement this interface.
- ppIActivate
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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
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Minimum supported client |
Windows Vista [desktop apps only] |
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Minimum supported server |
Windows Server 2008 [desktop apps only] |
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Header |
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Library |
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DLL |
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See also