non/mixer/src/Meter_Module.H

66 lines
2.4 KiB
C++

/*******************************************************************************/
/* Copyright (C) 2009 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
#include "Module.H"
#include "dsp.h"
#include <vector>
class Fl_Scalepack;
class Meter_Module : public Module
{
Fl_Scalepack *dpm_pack;
std::vector <Value_Smoothing_Filter> smoothing;
volatile float *control_value;
volatile float *peaks;
int meter_sample_periods; /* no need to do computations every
* buffer when the gui only updates at
* 30Hz. So only do it every n
* buffers */
int meter_sample_period_count;
void set_smoothing_sample_rate ( nframes_t nframes, nframes_t sample_rate );
public:
Meter_Module ( );
virtual ~Meter_Module ( );
const char *name ( void ) const { return "Meter"; }
int can_support_inputs ( int n ) { return n > 0 ? n : -1; }
bool configure_inputs ( int n );
LOG_CREATE_FUNC( Meter_Module );
virtual void update ( void );
protected:
virtual int handle ( int m );
virtual void process ( nframes_t nframes );
virtual void draw ( void );
virtual void resize ( int X, int Y, int W, int H );
};