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/*
* CrossoverEQControls.cpp - A native 4-band Crossover Equalizer
* good for simulating tonestacks or simple peakless (flat-band) equalization
*
* Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
* Copyright (c) 2006-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* 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 COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include "CrossoverEQControls.h"
#include "CrossoverEQ.h"
CrossoverEQControls::CrossoverEQControls( CrossoverEQEffect * eff ) :
EffectControls( eff ),
m_effect( eff ),
m_xover12( 125.f, 50.f, 10000.f, 1.0f, this, "Band 1/2 Crossover" ),
m_xover23( 1250.f, 50.f, 20000.f, 1.0f, this, "Band 2/3 Crossover" ),
m_xover34( 5000.f, 50.f, 20000.f, 1.0f, this, "Band 3/4 Crossover" ),
m_gain1( 0.f, -60.f, 30.f, 0.1f, this, "Band 1 Gain" ),
m_gain2( 0.f, -60.f, 30.f, 0.1f, this, "Band 2 Gain" ),
m_gain3( 0.f, -60.f, 30.f, 0.1f, this, "Band 3 Gain" ),
m_gain4( 0.f, -60.f, 30.f, 0.1f, this, "Band 4 Gain" ),
m_mute1( true, this, "Mute Band 1" ),
m_mute2( true, this, "Mute Band 2" ),
m_mute3( true, this, "Mute Band 3" ),
m_mute4( true, this, "Mute Band 4" )
{
connect( Engine::mixer(), SIGNAL( sampleRateChanged() ), this, SLOT( sampleRateChanged() ) );
connect( &m_xover12, SIGNAL( dataChanged() ), this, SLOT( xover12Changed() ) );
connect( &m_xover23, SIGNAL( dataChanged() ), this, SLOT( xover23Changed() ) );
connect( &m_xover34, SIGNAL( dataChanged() ), this, SLOT( xover34Changed() ) );
m_xover12.setScaleLogarithmic( true );
m_xover23.setScaleLogarithmic( true );
m_xover34.setScaleLogarithmic( true );
}
void CrossoverEQControls::saveSettings( QDomDocument & doc, QDomElement & elem )
{
m_xover12.saveSettings( doc, elem, "xover12" );
m_xover23.saveSettings( doc, elem, "xover23" );
m_xover34.saveSettings( doc, elem, "xover34" );
m_gain1.saveSettings( doc, elem, "gain1" );
m_gain2.saveSettings( doc, elem, "gain2" );
m_gain3.saveSettings( doc, elem, "gain3" );
m_gain4.saveSettings( doc, elem, "gain4" );
m_mute1.saveSettings( doc, elem, "mute1" );
m_mute2.saveSettings( doc, elem, "mute2" );
m_mute3.saveSettings( doc, elem, "mute3" );
m_mute4.saveSettings( doc, elem, "mute4" );
}
void CrossoverEQControls::loadSettings( const QDomElement & elem )
{
m_xover12.loadSettings( elem, "xover12" );
m_xover23.loadSettings( elem, "xover23" );
m_xover34.loadSettings( elem, "xover34" );
m_gain1.loadSettings( elem, "gain1" );
m_gain2.loadSettings( elem, "gain2" );
m_gain3.loadSettings( elem, "gain3" );
m_gain4.loadSettings( elem, "gain4" );
m_mute1.loadSettings( elem, "mute1" );
m_mute2.loadSettings( elem, "mute2" );
m_mute3.loadSettings( elem, "mute3" );
m_mute4.loadSettings( elem, "mute4" );
m_effect->m_needsUpdate = true;
m_effect->clearFilterHistories();
}
void CrossoverEQControls::xover12Changed()
{
float v = m_xover12.value();
if( m_xover23.value() < v ) { m_xover23.setValue( v ); }
if( m_xover34.value() < v ) { m_xover34.setValue( v ); }
}
void CrossoverEQControls::xover23Changed()
{
float v = m_xover23.value();
if( m_xover12.value() > v ) { m_xover12.setValue( v ); }
if( m_xover34.value() < v ) { m_xover34.setValue( v ); }
}
void CrossoverEQControls::xover34Changed()
{
float v = m_xover34.value();
if( m_xover12.value() > v ) { m_xover12.setValue( v ); }
if( m_xover23.value() > v ) { m_xover23.setValue( v ); }
}
void CrossoverEQControls::sampleRateChanged()
{
m_effect->sampleRateChanged();
}
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