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MESourceRateChangeRequested event

Raised by a media source to request a new playback rate. The application should call IMFRateControl::SetRate with the requested rate. A media source might raise this event if it cannot continue playback at the current rate.

Event values

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

VARTYPEDescription

VT_R4

The requested new playback rate.

Attributes

The following attributes are defined for this event.

AttributeDescription

MF_EVENT_DO_THINNING

Specifies whether the media source also requests thinning.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Mfobjects.h (include Mfidl.h)

See also

Media Foundation Events

 

 

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