obs/Source/VolumeControl.h
William Hamilton 6db08ff8ed Added volume meter. Meter uses red/yellow/green scheme.
Also rescaled volume control to logarithmic scale as per http://www.dr-lex.be/info-stuff/volumecontrols.html
2012-12-10 00:50:49 -06:00

37 lines
1.3 KiB
C

/********************************************************************************
Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
********************************************************************************/
#pragma once
#define VOLUME_CONTROL_CLASS TEXT("OBSVolumeControl")
void InitVolumeControl();
void SetVolumeControlIcons(HWND hwnd, HICON hiconPlay, HICON hiconMute);
float ToggleVolumeControlMute(HWND hwnd);
float SetVolumeControlValue(HWND hwnd, float fValue);
float GetVolumeControlValue(HWND hwnd);
#define VOLN_ADJUSTING 0x300
#define VOLN_FINALVALUE 0x301
/* 60 db dynamic range values for volume control scale*/
#define VOL_ALPHA .001f
#define VOL_BETA 6.908f