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IFilterMapper2 interface

Registers and unregisters filters, and locates filters in the registry. The Filter Mapper helper object implements this interface.

Filters use this interface to register and unregister themselves. When the filter graph manager builds a filter graph, it uses this interface to look up filters and determine their characteristics. Applications can also use this interface to look up filters. For more information, see Using the Filter Mapper and How to Register DirectShow Filters.

Members

The IFilterMapper2 interface inherits from the IUnknown interface. IFilterMapper2 also has these types of members:

Methods

The IFilterMapper2 interface has these methods.

MethodDescription
CreateCategory

Adds a new filter category to the registry.

EnumMatchingFilters

Enumerates registered filters that meet specified requirements.

RegisterFilter

Adds filter information to the registry.

UnregisterFilter

Removes filter information from the registry.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Strmif.h (include Dshow.h)

Library

Strmiids.lib

 

 

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