IltmmWMMutualExclusion::get_Type

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#include "ltmm.h"

C Syntax	HRESULT IltmmMutualExclusion_get_Type(pMutualExclusion, pVal)
C++ Syntax	HRESULT get_Type(pVal)

IltmmWMMutualExclusion *pMutualExclusion;	/* pointer to an interface */
BSTR *pVal;	/* pointer to a string */

Retrieves a CLSID string that identifies the type of mutual exclusion.

Parameter	Description
pMutualExclusion	Pointer to an IltmmWMMutualExclusion interface.
pVal	Pointer to a string to be updated with the CLSID string that identifies the type of mutual exclusion.

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

The string retrieved by this function is a CLSID string. Possible values are:

Type	Description	String
Language	Mutual exclusion is based on bit rate; streams might differ only in bit rate.	"{D6E22A00-35DA-11D1-9034-00A0C90349BE}"
Bitrate	Mutual exclusion is based on language; streams are recorded with different languages.	"{D6E22A01-35DA-11D1-9034-00A0C90349BE}"
Presentation	Mutual exclusion is based on aspect ratio; streams have different aspect ratios of the video frame.	"{D6E22A02-35DA-11D1-9034-00A0C90349BE}"
Unknown	Custom mutual exclusion.	"{D6E22A03-35DA-11D1-9034-00A0C90349BE}"

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

For more information, refer to the Microsoft documentation for IWMMutualExclusion::GetType .

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

Elements:	IltmmWMMutualExclusion::AddStream, IltmmWMMutualExclusion::GetStream, IltmmWMMutualExclusion::get_StreamCount, IltmmWMMutualExclusion::RemoveStream, IltmmWMMutualExclusion::put_Type
Topics:	Windows Media Support
	Multimedia Function Group

Example