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Determines if the beginning of this sample is a synchronization point.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmMediaSampleDisp_get_SyncPoint(pMediaSampleDisp, pVal) |
| C++ | HRESULT get_SyncPoint(pVal) |
Pointer to an IltmmMediaSampleDisp interface.
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. |
| Value | Meaning |
|---|---|
| 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. |
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.
Win32, x64.
| Language | Example |
|---|---|
| C | Copying ltmmMediaSample attributes and data |
| C++ | Copying ltmmMediaSample attributes and data |
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