IltmmMediaInfo::get_SourceFilterClassID

Summary

Retrieves the Class ID string of the source filter used to read and expose the contents of the current source media file.

Syntax

#include "ltmm.h"

Language	Syntax
C	HRESULT IltmmMediaInfo_get_SourceFilterClassID(pMediaInfo, pVal)
C++	HRESULT get_SourceFilterClassID(pVal)

Parameters

IltmmMediaInfo *pMediaInfo

Pointer to an IltmmMediaInfo Interface.

BSTR *pVal

Pointer to a string to be updated with the class ID string of the source filter.

Returns

Value	Meaning
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

Call SysFreeString to free the memory allocated for the string when it is no longer needed.

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.

Language	Example
C	Retrieving Media File Information
C++	Retrieving Media File Information

IltmmMediaInfo::get_SourceFilterClassID

Summary

Syntax

Parameters

IltmmMediaInfo *pMediaInfo

BSTR *pVal

Returns

Comments

Required DLLs and Libraries

Platforms

See Also

Functions

Topics

Example