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.


HRESULT GetMasterVolumeLevel(
  [out] float *pfLevelDB


[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.

Return code Description
Parameter pfLevelDB is NULL.


Requirement Value
Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header endpointvolume.h

See also

IAudioEndpointVolume Interface