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MF_TOPONODE_DISABLE_PREROLL attribute

Specifies whether the Media Session uses preroll on the media sink represented by this topology node.

Data type

UINT32

Treat as a Boolean value.

Remarks

This attribute applies to output nodes (MF_TOPOLOGY_OUTPUT_NODE).

If the value of this attribute is TRUE, the Media Session does not preroll any data to the media sink, even if the media sink exposes the IMFMediaSinkPreroll interface. If the value is FALSE, the Media Session prerolls data if the media sink implements IMFMediaSinkPreroll. The default value is FALSE.

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

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Mfidl.h

See also

IMFAttributes::GetUINT32
IMFAttributes::SetUINT32
IMFTopologyNode
Topology Node Attributes

 

 

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