IMFCaptureEngine::StartRecord method (mfcaptureengine.h)
Starts recording audio and/or video to a file.
Syntax
HRESULT StartRecord();
Return value
This method can return one of these values.
| Return code | Description |
|---|---|
|
Success. |
|
The recording sink was not initialized. |
Remarks
Before calling this method, configure the recording sink by calling IMFCaptureSink::AddStream. To get a pointer to the recording sink, call IMFCaptureEngine::GetSink.
This method is asynchronous. If the method returns a success code, the caller will receive an MF_CAPTURE_ENGINE_RECORD_STARTED event through the IMFCaptureEngineOnEventCallback::OnEvent method. The operation can fail asynchronously after the method succeeds. If so, the error code is conveyed through the OnEvent method.
To stop recording, call IMFCaptureEngine::StopRecord.
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 |