MF_TOPONODE_ERROR_SUBTYPE attribute

Contains the media subtype for a topology node. This attribute is set when the topology fails to load because the correct decoder could not be found.

Data type

GUID

Remarks

This attribute applies to all node types.

The topology loader might set the attribute. Applications typically read this attribute but do not set it.

For a list of possible values, see Media Type GUIDs.

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::GetGUID

IMFAttributes::SetGUID

IMFTopologyNode

Topology Node Attributes