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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.

VARTYPEDescription

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

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

 

 

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