MEStreamThinMode event

Raised by a media stream when it starts or stops thinning the stream. For information about thinning, see About Rate Control.

This event can be sent in response to the IMFRateControl::SetRate method or the IMFQualityAdvise::SetDropMode method.

Event values

Possible values retrieved from IMFMediaEvent::GetValue include the following.

VARTYPE Description
Indicates whether thinning has started or stopped.
  • VARIANT_TRUE: Samples delivered after this event are thinned.
  • VARIANT_FALSE: Samples delivered after this event are not thinned.


Requirement Value
Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2008 [desktop apps only]
Mfobjects.h (include Mfidl.h)

See also

Media Foundation Events