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fe881deff4
Do not clear the filter histories when the crossover control has changed, e.g. via automation. Add a new method CrossoverEQEffect::clearFilterHistories that's called whenever the filter histories need to be cleared, e.g. after loading a crossover EQ. It would be beneficial to also call this method when the effect is enabled again after being disabled but it seems there is no was to find out that this event has happened. One could implement it in the process method by storing the current state in a member and comparing it to the state at the time of the last process call but this is something that should be provided by the framework.
118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
/*
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* CrossoverEQControls.cpp - A native 4-band Crossover Equalizer
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* good for simulating tonestacks or simple peakless (flat-band) equalization
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*
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* Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
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* Copyright (c) 2006-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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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 GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#include "CrossoverEQControls.h"
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#include "CrossoverEQ.h"
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CrossoverEQControls::CrossoverEQControls( CrossoverEQEffect * eff ) :
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EffectControls( eff ),
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m_effect( eff ),
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m_xover12( 125.f, 50.f, 10000.f, 1.0f, this, "Band 1/2 Crossover" ),
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m_xover23( 1250.f, 50.f, 20000.f, 1.0f, this, "Band 2/3 Crossover" ),
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m_xover34( 5000.f, 50.f, 20000.f, 1.0f, this, "Band 3/4 Crossover" ),
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m_gain1( 0.f, -60.f, 30.f, 0.1f, this, "Band 1 Gain" ),
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m_gain2( 0.f, -60.f, 30.f, 0.1f, this, "Band 2 Gain" ),
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m_gain3( 0.f, -60.f, 30.f, 0.1f, this, "Band 3 Gain" ),
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m_gain4( 0.f, -60.f, 30.f, 0.1f, this, "Band 4 Gain" ),
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m_mute1( true, this, "Mute Band 1" ),
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m_mute2( true, this, "Mute Band 2" ),
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m_mute3( true, this, "Mute Band 3" ),
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m_mute4( true, this, "Mute Band 4" )
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{
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connect( Engine::mixer(), SIGNAL( sampleRateChanged() ), this, SLOT( sampleRateChanged() ) );
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connect( &m_xover12, SIGNAL( dataChanged() ), this, SLOT( xover12Changed() ) );
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connect( &m_xover23, SIGNAL( dataChanged() ), this, SLOT( xover23Changed() ) );
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connect( &m_xover34, SIGNAL( dataChanged() ), this, SLOT( xover34Changed() ) );
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m_xover12.setScaleLogarithmic( true );
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m_xover23.setScaleLogarithmic( true );
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m_xover34.setScaleLogarithmic( true );
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}
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void CrossoverEQControls::saveSettings( QDomDocument & doc, QDomElement & elem )
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{
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m_xover12.saveSettings( doc, elem, "xover12" );
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m_xover23.saveSettings( doc, elem, "xover23" );
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m_xover34.saveSettings( doc, elem, "xover34" );
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m_gain1.saveSettings( doc, elem, "gain1" );
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m_gain2.saveSettings( doc, elem, "gain2" );
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m_gain3.saveSettings( doc, elem, "gain3" );
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m_gain4.saveSettings( doc, elem, "gain4" );
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m_mute1.saveSettings( doc, elem, "mute1" );
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m_mute2.saveSettings( doc, elem, "mute2" );
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m_mute3.saveSettings( doc, elem, "mute3" );
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m_mute4.saveSettings( doc, elem, "mute4" );
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}
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void CrossoverEQControls::loadSettings( const QDomElement & elem )
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{
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m_xover12.loadSettings( elem, "xover12" );
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m_xover23.loadSettings( elem, "xover23" );
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m_xover34.loadSettings( elem, "xover34" );
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m_gain1.loadSettings( elem, "gain1" );
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m_gain2.loadSettings( elem, "gain2" );
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m_gain3.loadSettings( elem, "gain3" );
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m_gain4.loadSettings( elem, "gain4" );
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m_mute1.loadSettings( elem, "mute1" );
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m_mute2.loadSettings( elem, "mute2" );
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m_mute3.loadSettings( elem, "mute3" );
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m_mute4.loadSettings( elem, "mute4" );
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m_effect->m_needsUpdate = true;
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m_effect->clearFilterHistories();
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}
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void CrossoverEQControls::xover12Changed()
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{
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float v = m_xover12.value();
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if( m_xover23.value() < v ) { m_xover23.setValue( v ); }
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if( m_xover34.value() < v ) { m_xover34.setValue( v ); }
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}
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void CrossoverEQControls::xover23Changed()
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{
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float v = m_xover23.value();
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if( m_xover12.value() > v ) { m_xover12.setValue( v ); }
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if( m_xover34.value() < v ) { m_xover34.setValue( v ); }
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}
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void CrossoverEQControls::xover34Changed()
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{
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float v = m_xover34.value();
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if( m_xover12.value() > v ) { m_xover12.setValue( v ); }
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if( m_xover23.value() > v ) { m_xover23.setValue( v ); }
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}
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void CrossoverEQControls::sampleRateChanged()
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{
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m_effect->sampleRateChanged();
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}
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