#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaSampleDisp_getMediaType(pMediaSampleDisp, MediaType) |
C++ Syntax |
HRESULT GetMediaType(MediaType) |
IltmmMediaSampleDisp *pMediaSampleDisp; |
/* pointer to an interface */ |
IltmmMediaTypeDisp **MediaType; |
/* optional pointer to a pointer */ |
Retrieves the media type, if the media type differs from the previous sample.
Parameter |
Description |
pMediaSampleDisp |
Pointer to an IltmmMediaSampleDisp interface. |
MediaType |
Pointer to a variable to be updated with a pointer to an IltmmMediaTypeDisp Interface, if the media type has changed. If the media type has not changed this will be updated with NULL. |
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 object referenced by MediaType by calling the interface's Release 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. |
Win32, x64
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++.