#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaInfo_get_SourceMediaType(pMediaInfo, pVal) |
C++ Syntax |
HRESULT get_SourceMediaType(pVal) |
IltmmMediaInfo *pMediaInfo; |
pointer to an interface |
IltmmMediaTypeDisp **pVal; |
pointer to a pointer |
Retrieves the media type of the current source media file.
Parameter |
Description |
pMediaInfo |
Pointer to an IltmmMediaInfo Interface. |
pVal |
Pointer to a variable to be updated with a pointer to an IltmmMediaTypeDisp interface. This interface references information about the media type of the file. |
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. |
If the function succeeds, the caller must free the interface referenced by the MediaType parameter by calling the interface's Release function.
To get the current source media file, call IltmmMediaInfo::get_SourceFile.
The current source media file, set using IltmmMediaInfo::put_SourceFile, is the file for which the IltmmMediaInfo interface/object gets information. This function must be called before calling any of the other IltmmMediaInfo functions used for retrieving information.
Call IltmmMediaInfo::ResetSource to release the source file when it is no longer needed.
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
For a C example, refer to Retrieving Media File Information for C.
For a C++ example, refer to Retrieving Media File Information for C++.
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