IMFAudioPolicy::GetGroupingParam method (mfidl.h)

Retrieves the group of sessions to which this audio session belongs.

Syntax

HRESULT GetGroupingParam(
  [out] GUID *pguidClass
);

Parameters

[out] pguidClass

Receives a GUID that identifies the session group.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Remarks

If two or more audio sessions share the same group, the Windows volume control displays one slider control for the entire group. Otherwise, it displays a slider for each session. For more information, see IAudioSessionControl::SetGroupingParam in the core audio API documentation.

Requirements

See also

IMFAudioPolicy

Streaming Audio Renderer