MF_EVENT_DO_THINNING attribute

When a media source requests a new playback rate, this attribute specifies whether the source also requests thinning. For a definition of thinning, see About Rate Control.

Data type

UINT32

Treat as a Boolean value.

Remarks

This attribute is used with the MESourceRateChangeRequested event. If the value is TRUE, the media source is requesting a switch to thinned playback.

The default value is FALSE.

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::GetUINT32

IMFAttributes::SetUINT32