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Represents a node in a topology. The following node types are supported:
- Output node. Represents a media sink.
- Source node. Represents a media stream.
- Transform node. Represents a Media Foundation Transform (MFT).
- Tee node. Delivers a media stream to two or more nodes.
Inheritance
The IMFTopologyNode interface inherits from IMFAttributes. IMFTopologyNode also has these types of members:
Methods
The IMFTopologyNode interface has these methods.
| IMFTopologyNode::CloneFrom Copies the data from another topology node into this node. |
| IMFTopologyNode::ConnectOutput Connects an output stream from this node to the input stream of another node. |
| IMFTopologyNode::DisconnectOutput Disconnects an output stream on this node. |
| IMFTopologyNode::GetInput Retrieves the node that is connected to a specified input stream on this node. |
| IMFTopologyNode::GetInputCount Retrieves the number of input streams that currently exist on this node. |
| IMFTopologyNode::GetInputPrefType Retrieves the preferred media type for an input stream on this node. |
| IMFTopologyNode::GetNodeType Retrieves the node type. |
| IMFTopologyNode::GetObject Gets the object associated with this node. |
| IMFTopologyNode::GetOutput Retrieves the node that is connected to a specified output stream on this node. |
| IMFTopologyNode::GetOutputCount Retrieves the number of output streams that currently exist on this node. |
| IMFTopologyNode::GetOutputPrefType Retrieves the preferred media type for an output stream on this node. |
| IMFTopologyNode::GetTopoNodeID Retrieves the identifier of the node. |
| IMFTopologyNode::SetInputPrefType Sets the preferred media type for an input stream on this node. |
| IMFTopologyNode::SetObject Sets the object associated with this node. |
| IMFTopologyNode::SetOutputPrefType Sets the preferred media type for an output stream on this node. |
| IMFTopologyNode::SetTopoNodeID Sets the identifier for the node. |
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 |