CMediaSample::SetPreroll (Windows CE 5.0)
Sets the preroll property. If TRUE, this sample is for preroll only and should not be displayed.
HRESULT SetPreroll(BOOLbIsPreroll);
Parameters
- bIsPreroll
Set to TRUE to specify the media sample as a preroll sample, or FALSE otherwise.
Return Values
Returns an HRESULT value.
Remarks
This member function implements the IMediaSample::SetPreroll method.
It sets the value of the m_dwFlags Sample_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.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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