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IVMRFilterConfig interface

The IVMRFilterConfig interface is used to configure the operating mode and video rendering mechanisms of the Video Mixing Renderer Filter 7 (VMR-7). For the VMR-9, use the IVMRFilterConfig9 interface.

Applications must add the VMR to the graph and configure it before connecting it to any upstream filters (for example, in a call to IGraphBuilder::RenderFile). Once a filter has been connected to the VMR, the VMR's configuration is locked and all future attempts to alter it fail.

Members

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

Methods

The IVMRFilterConfig interface has these methods.

MethodDescription
GetNumberOfStreams

Retrieves the number of input streams being mixed.

GetRenderingMode

Retrieves the rendering mode currently being used by the VMR.

GetRenderingPrefs

Retrieves the current set of rendering preferences being used by the VMR.

SetImageCompositor

Installs an application-provided image compositor object.

SetNumberOfStreams

Sets the number of streams to be mixed and instructs the VMR to go into mixer mode.

SetRenderingMode

Sets the rendering mode used by the VMR.

SetRenderingPrefs

Sets various application preferences related to video rendering.

 

Requirements

Minimum supported client

Windows XP with SP1 [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Strmif.h (include Dshow.h)

Library

Strmiids.lib

See also

Using the Video Mixing Renderer

 

 

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