Partager via

IMediaSample::IsPreroll

  • Article
 
Microsoft DirectShow 9.0

IMediaSample::IsPreroll

The IsPreroll method determines if this sample is a preroll sample. A preroll sample should not be displayed.

Syntax

  HRESULT IsPreroll(void);

Return Values

Returns S_OK if the sample is a preroll sample. Otherwise, returns S_FALSE.

Remarks

Preroll samples are processed but not displayed. They are located in the media stream before the displayable samples.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also