IltmmMediaSampleDisp::put_Preroll

#include "ltmm.h"

C Syntax	HRESULT IltmmMediaSampleDisp_put_Preroll(pMediaSampleDisp, newVal)
C++ Syntax	HRESULT put_Preroll(newVal)

IltmmMediaSampleDisp *pMediaSampleDisp;	/* pointer to an interface */
VARIANT_BOOL newVal;	/* flag */

Specifies whether this sample is a preroll sample.

Parameter	Description
pMediaSampleDisp	Pointer to an IltmmMediaSampleDisp interface.
newVal	Flag that indicates whether the sample represents a discontinuity in the data stream. Possible values are:
	Value	Meaning
	VARIANT_TRUE	The media sample is discontinuous with the previous sample.
	VARIANT_FALSE	The media sample is not discontinuous with the previous sample.

Returns

S_OK	The function was successful.
<> S_OK	An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

A preroll sample is a sample delivered prior to the selected start time.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Win32, x64

See Also

Functions:	IltmmMediaSampleDisp::get_ActualDataLength, IltmmMediaSampleDisp::get_Buffer, IltmmMediaSampleDisp::get_BufferSize, IltmmMediaSampleDisp::get_Discontinuity, IltmmMediaSampleDisp::get_Preroll, IltmmMediaSampleDisp::get_SyncPoint, IltmmMediaSampleDisp::GetData, IltmmMediaSampleDisp::GetMediaTime, IltmmMediaSampleDisp::GetMediaType, IltmmMediaSampleDisp::GetTime, IltmmMediaSampleDisp::put_ActualDataLength, IltmmMediaSampleDisp::put_Discontinuity, IltmmMediaSampleDisp::put_SyncPoint, IltmmMediaSampleDisp::ResetMediaTime, IltmmMediaSampleDisp::ResetTime, IltmmMediaSampleDisp::SetData, IltmmMediaSampleDisp::SetMediaTime, IltmmMediaSampleDisp::SetMediaType, IltmmMediaSampleDisp::SetTime
Topics:	Multimedia Function Group
	IltmmMediaSampleDisp interface
	ltmmMediaSample object

Example