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MF_TOPONODE_SOURCE attribute

Contains a pointer to the media source associated with a topology node.

Data type

IUnknown*

Remarks

This attribute applies to source nodes (MF_TOPOLOGY_SOURCESTREAM_NODE).

The value of the attribute is a pointer to the media source's IMFMediaSource interface. This attribute is required.

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
Mfidl.h

See also

Alphabetical List of Media Foundation Attributes

IMFAttributes::GetUnknown

IMFAttributes::SetUnknown

IMFTopologyNode

Topology Node Attributes