IMFFieldOfUseMFTUnlock interface

Enables an application to use a Media Foundation transform (MFT) that has restrictions on its use.

When to implement

Implement this interface if you are writing an MFT and want to restrict which applications can use it.

Microsoft does not provide an implementation of this interface.

Members

The IMFFieldOfUseMFTUnlock interface inherits from the IUnknown interface. IMFFieldOfUseMFTUnlock also has these types of members:

Methods

The IMFFieldOfUseMFTUnlock interface has these methods.

MethodDescription
Unlock

Unlocks an MFT so that the application can use it.

 

Remarks

If you register an MFT that requires unlocking, include the MFT_ENUM_FLAG_FIELDOFUSE flag when you call the MFTRegister function.

Requirements

Minimum supported client

Windows 7 [desktop apps only]

Minimum supported server

Windows Server 2008 R2 [desktop apps only]

Header

Mfidl.h

See also

Field of Use Restrictions
Media Foundation Interfaces
MFT_FIELDOFUSE_UNLOCK_Attribute

 

 

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