IltmmMediaSampleDisp::GetData
#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaSampleDisp__getData(pMediaSampleDisp, DataSize, Data) |
C++ Syntax |
HRESULT GetData(DataSize, Data) |
IltmmMediaSampleDisp *pMediaSampleDisp; |
/* pointer to an interface */ |
long DataSize; |
/* size of the data */ |
VARIANT *Data; |
/* pointer to a variable */ |
Retrieves a copy of the actual data in the buffer.
Parameter |
Description |
pMediaSampleDisp |
Pointer to an IltmmMediaSampleDisp interface. |
DataSize |
Length of data to retrieve, in bytes. |
Data |
Pointer to a variable to be updated with a VARIANT containing a SAFEARRAY reference. The array is composed of a single dimension of bytes. This array contains a copy of the data in the sample buffer. |
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
If the function succeeds, the caller must free the returned VARIANT by calling the VariantClear function.
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++.