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Sets the preroll property. If TRUE, this sample is for preroll only and should not be displayed.
HRESULT SetPreroll( BOOL bIsPreroll );
Parameters
- bIsPreroll
- Set to TRUE to specify the media sample as a preroll sample, or
FALSE otherwise.
Return Values
Returns an HRESULTvalue.
Remarks
This member function implements the IMediaSample::SetPrerollmethod. It sets the value of the m_dwFlagsSample_Preroll flag to the value of bIsPreroll. Preroll samples are samples that are processed but not displayed, and are located in the media stream before the displayable samples.