MF_EVENT_OUTPUT_NODE attribute

Identifies the topology node for a stream sink.

Data type

UINT64

Treat as TOPOID.

Remarks

The value of this attribute is a node identifier for an output node on the current topology. To get a pointer to the associated node, call IMFTopology::GetNodeByID on the topology.

This attribute is used with the following events:

• MESessionStreamSinkFormatChanged
• MESinkInvalidated

The GUID constant for this attribute is exported from mfuuid.lib.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Mfapi.h

See also

Alphabetical List of Media Foundation Attributes

Event Attributes

IMFAttributes::GetUINT64

IMFAttributes::SetUINT64