References ▼
Determines if this sample is a preroll sample. A preroll sample should not be displayed.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmMediaSampleDisp_get_Preroll(pMediaSampleDisp, pVal) |
| C++ | HRESULT get_Preroll(pVal) |
Pointer to an IltmmMediaSampleDisp interface.
Pointer to a variable to be updated with a value that indicates whether the sample is a preroll sample. Possible values are:
| Value | Meaning |
|---|---|
| VARIANT_TRUE | The sample is a preroll sample. |
| VARIANT_FALSE | The sample is not a preroll sample. |
| 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. |
Preroll samples are processed but not displayed. They are located in the media stream before the displayable samples.
Win32, x64.
| Language | Example |
|---|---|
| C | Copying ltmmMediaSample attributes and data |
| C++ | Copying ltmmMediaSample attributes and data |
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