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NF:mfcaptureengine.IMFCaptureSink.Prepare |
IMFCaptureSink::Prepare (mfcaptureengine.h) |
Prepares the capture sink by loading any required pipeline components, such as encoders, video processors, and media sinks. |
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mf\imfcapturesink_prepare.htm |
mf |
244FD291-AD1D-4A51-87C3-C98B33978AA1 |
12/05/2018 |
IMFCaptureSink interface [Media Foundation],Prepare method, IMFCaptureSink.Prepare, IMFCaptureSink::Prepare, Prepare, Prepare method [Media Foundation], Prepare method [Media Foundation],IMFCaptureSink interface, mf.imfcapturesink_prepare, mfcaptureengine/IMFCaptureSink::Prepare |
mfcaptureengine.h |
Windows |
Windows 8 [desktop apps only] |
Windows Server 2012 [desktop apps only] |
Windows |
19H1 |
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Prepares the capture sink by loading any required pipeline components, such as encoders, video processors, and media sinks.
This method can return one of these values.
| Return code | Description |
|---|---|
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Success. |
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Invalid request. |
Calling this method is optional. This method gives the application an opportunity to configure the pipeline components before they are used. The method is asynchronous. If the method returns a success code, the caller will receive an MF_CAPTURE_SINK_PREPARED event through the IMFCaptureEngineOnEventCallback::OnEvent method. After this event is received, call IMFCaptureSink::GetService to configure individual components.
Before calling this method, configure the capture sink by adding at least one stream. To add a stream, call IMFCaptureSink::AddStream.
The Prepare method fails if the capture sink is currently in use. For example, calling Prepare on the preview sink fails if the capture engine is currently previewing.