LEADTOOLS Multimedia API Help > LEADTOOLS Multimedia Features > Multimedia Function References > IltmmMediaTypeDisp Interface > IltmmMediaTypeDisp::GetFormatData |
#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaTypeDisp_getFormatData(pMediaTypeDisp, DataSize, Data) |
C++ Syntax |
HRESULT GetFormatData(DataSize, Data) |
IltmmMediaTypeDisp *pMediaTypeDisp; |
/* pointer to an interface */ |
long DataSize; |
/* size of the format data */ |
VARIANT *Data; |
/* pointer to a VARIANT */ |
Retrieves a copy of the format buffer.
Parameter |
Description |
pMediaTypeDisp |
Pointer to an IltmmMediaTypeDisp interface. |
DataSize |
Length of the 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 will be updated with the actual format data. |
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 VARIANT referenced by pVal by calling the VariantClear function.
Win32, x64
See Also
Example
For a C example, refer to Copying ltmmMediaType Attributes and Data for C.
For a C++ example, refer to Copying ltmmMediaType Attributes and Data for C++.