MF_TOPONODE_PRIMARYOUTPUT attribute

Indicates which output is the primary output on a tee node.

Data type

UINT32

Remarks

This attribute applies to tee nodes (MF_TOPOLOGY_TEE_NODE).

The value of this attribute is the zero-based index of an output connection on this tee node. This value indicates which output is the primary output stream. The pipeline waits for a request from the primary output before processing requests from the other outputs.

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::GetUINT32

IMFAttributes::SetUINT32

IMFTopologyNode

Topology Node Attributes