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.

Platforms

Win32, x64

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