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The IBufferManager interface is used to access all the surfaces and buffers that the transform uses. The application is passed this interface in IMediaTransform::Process and IMediaTransform::InitBufferManager. The object underlying this interface also exposes ISurfaceManager.
In addition to the methods inherited from IUnknown, the IBufferManager interface exposes the following methods.
| Method | Description |
| AllocBuffer | Allocates a buffer for the transform to use. |
| get_FormatType | Retrieves information about the type of buffer this object can create. |
See Also