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vumeterdsp.h
Go to the documentation of this file.
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/*
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Copyright (C) 2012 Fons Adriaensen <fons@linuxaudio.org>
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Adopted for Ardour 2013 by Robin Gareus <robin@gareus.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __VUMETERDSP_H
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#define __VUMETERDSP_H
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#include "
ardour/libardour_visibility.h
"
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class
LIBARDOUR_API
Vumeterdsp
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{
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public
:
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Vumeterdsp
(
void
);
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~
Vumeterdsp
(
void
);
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void
process (
float
const
*p,
int
n);
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float
read (
void
);
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void
reset ();
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static
void
init
(
float
fsamp);
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private
:
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float
_z1
;
// filter state
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float
_z2
;
// filter state
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float
_m
;
// max value since last read()
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bool
_res
;
// flag to reset m
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static
float
_w
;
// lowpass filter coefficient
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static
float
_g
;
// gain factor
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};
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#endif
Vumeterdsp::_res
bool _res
Definition:
vumeterdsp.h:43
Vumeterdsp
Definition:
vumeterdsp.h:25
libardour_visibility.h
Vumeterdsp::_m
float _m
Definition:
vumeterdsp.h:42
LIBARDOUR_API
#define LIBARDOUR_API
Definition:
libardour_visibility.h:40
Vumeterdsp::_z1
float _z1
Definition:
vumeterdsp.h:40
Vumeterdsp::_g
static float _g
Definition:
vumeterdsp.h:46
Vumeterdsp::_z2
float _z2
Definition:
vumeterdsp.h:41
ARDOUR::init
LIBARDOUR_API bool init(bool with_vst, bool try_optimization, const char *localedir)
Definition:
globals.cc:376
Vumeterdsp::_w
static float _w
Definition:
vumeterdsp.h:45
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