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CMediaSample::SetPreroll

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Windows Embedded CE 6.0 R3

4/8/2010

Sets the preroll property. If TRUE, this sample is for preroll only and should not be displayed.

Syntax

HRESULT SetPreroll(
  BOOL bIsPreroll 
);

Parameters

  • bIsPreroll
    Set to TRUE to specify the media sample as a preroll sample, or FALSE otherwise.

Return Value

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

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later