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. |
See Also
Example
For a C example, refer to Copying ltmmMediaSample attributes and data for C.
For a C++ example, refer to Copying ltmmMediaSample attributes and data for C++.