Microsoft DirectX 8.1 (C++)

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 Value

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.

See Also