IMFCapturePreviewSink::SetSampleCallback method (mfcaptureengine.h)
Sets a callback to receive the preview data for one stream.
Syntax
HRESULT SetSampleCallback(
[in] DWORD dwStreamSinkIndex,
[in] IMFCaptureEngineOnSampleCallback *pCallback
);
Parameters
[in] dwStreamSinkIndex
The zero-based index of the stream. The index is returned in the pdwSinkStreamIndex parameter of the IMFCaptureSink::AddStream method.
[in] pCallback
A pointer to the IMFCaptureEngineOnSampleCallback interface. The caller must implement this interface.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
Calling this method overrides any previous call to IMFCapturePreviewSink::SetRenderHandle.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | Windows Server 2012 [desktop apps only] |
| Target Platform | Windows |
| Header | mfcaptureengine.h |