IAudioAutoGainControl::GetEnabled

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IAudioAutoGainControl::GetEnabled

The GetEnabled method gets the current state (enabled or disabled) of the AGC.

HRESULT GetEnabled(
  BOOL  *pbEnabled
);

Parameters

pbEnabled

[out] Pointer to a BOOL variable into which the method writes the current AGC state. If the state is TRUE, AGC is enabled. If FALSE, AGC is disabled.

Return Value

If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.

Return code	Description
E_POINTER	Pointer pbEnabled is NULL.

Remarks

A disabled AGC operates in pass-through mode. In this mode, the audio stream passes through the AGC without modification.

Requirements

Client: Windows Vista

Header: Include Devicetopology.h.

See Also

• IAudioAutoGainControl Interface

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