#include "ltmm.h"

C Syntax

HRESULT IltmmMediaSampleDisp_get_SyncPoint(pMediaSampleDisp, pVal)

C++ Syntax

HRESULT get_SyncPoint(pVal)

IltmmMediaSampleDisp *pMediaSampleDisp;

pointer to an interface


pointer to a variable

Determines if the beginning of this sample is a synchronization point.

Parameter Description
pMediaSampleDisp Pointer to an IltmmMediaSampleDisp interface.
pVal Pointer to a variable to be updated with a value that indicates whether the beginning of the sample is a synchronization point. Possible values are:
  Value Meaning
  VARIANT_TRUE The beginning of the sample is a synchronization point.
  VARIANT_FALSE The beginning of the sample is not a synchronization point.



The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.


A stream can begin at any synchronization point. With some compression types, streaming can begin only at certain points in the stream; for example, on key frames.

Required DLLs and Libraries


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

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