Partager via

IBasicAudio::get_Volume

  • Article

This method retrieves the volume (amplitude) of the audio signal.

HRESULT get_Volume(
  long* plVolume
);

Parameters

  • plVolume
    [out] Returned value of the Volume property. Divide by 100 to get equivalent decibel value (for example –10,000 = –100 dB).

Return Values

Returns an HRESULT value.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header:

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.