MEAudioSessionGroupingParamChanged event

Raised by the audio renderer when the grouping parameters change for the audio session.

The Media Session forwards this event to the application.

Event values

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

VARTYPE	Description
VT_UNKNOWN	Pointer to the IMFAudioPolicy interface.

Remarks

This event is sent by the audio renderer's stream sink. The event is triggered when the audio renderer receives an IAudioSessionEvents::OnGroupingParamChanged event from the audio session.

To get the new grouping parameters, call IMFAudioPolicy::GetGroupingParam.

Requirements

Requirement	Value
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

IMFAudioPolicy::GetGroupingParam

Streaming Audio Renderer