IMFTopology interface (mfidl.h)
Represents a topology. A topology describes a collection of media sources, sinks, and transforms that are connected in a certain order. These objects are represented within the topology by topology nodes, which expose the IMFTopologyNode interface. A topology describes the path of multimedia data through these nodes.
To create a topology, call MFCreateTopology.
Inheritance
The IMFTopology interface inherits from IMFAttributes. IMFTopology also has these types of members:
Methods
The IMFTopology interface has these methods.
| IMFTopology::AddNode Adds a node to the topology. |
| IMFTopology::Clear Removes all nodes from the topology. |
| IMFTopology::CloneFrom Converts this topology into a copy of another topology. |
| IMFTopology::GetNode Gets a node in the topology, specified by index. |
| IMFTopology::GetNodeByID Gets a node in the topology, specified by node identifier. |
| IMFTopology::GetNodeCount Gets the number of nodes in the topology. |
| IMFTopology::GetOutputNodeCollection Gets the output nodes in the topology. |
| IMFTopology::GetSourceNodeCollection Gets the source nodes in the topology. |
| IMFTopology::GetTopologyID Gets the identifier of the topology. |
| IMFTopology::RemoveNode Removes a node from the topology. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | mfidl.h |
See also
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