IAudioEndpointVolume::GetMasterVolumeLevel method (endpointvolume.h)

The GetMasterVolumeLevel method gets the master volume level, in decibels, of the audio stream that enters or leaves the audio endpoint device.

Syntax

HRESULT GetMasterVolumeLevel(
  [out] float *pfLevelDB
);

Parameters

[out] pfLevelDB

Pointer to the master volume level. This parameter points to a float variable into which the method writes the volume level in decibels. To get the range of volume levels obtained from this method, call the IAudioEndpointVolume::GetVolumeRange method.

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.

Requirements

See also

IAudioEndpointVolume Interface

IAudioEndpointVolume::GetVolumeRange