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173 lines
4.6 KiB
C++
173 lines
4.6 KiB
C++
/*
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* dynamics_processor_controls.cpp - controls for dynamics_processor-effect
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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) 2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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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 <QtXml/QDomElement>
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#include "dynamics_processor_controls.h"
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#include "dynamics_processor.h"
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#include "graph.h"
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#include "engine.h"
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#include "song.h"
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#define onedB 1.1220184543019633f
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dynProcControls::dynProcControls( dynProcEffect * _eff ) :
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EffectControls( _eff ),
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m_effect( _eff ),
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m_inputModel( 1.0f, 0.0f, 5.0f, 0.01f, this, tr( "Input gain" ) ),
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m_outputModel( 1.0f, 0.0f, 5.0f, 0.01f, this, tr( "Output gain" ) ),
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m_attackModel( 10.0f, 1.0f, 500.0f, 1.0f, this, tr( "Attack time" ) ),
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m_releaseModel( 100.0f, 1.0f, 500.0f, 1.0f, this, tr( "Release time" ) ),
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m_wavegraphModel( 0.0f, 1.0f, 200, this ),
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m_stereomodeModel( 0, 0, 2, this, tr( "Stereo mode" ) )
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{
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connect( &m_inputModel, SIGNAL( dataChanged() ),
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this, SLOT( changeControl() ) );
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connect( &m_outputModel, SIGNAL( dataChanged() ),
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this, SLOT( changeControl() ) );
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connect( &m_attackModel, SIGNAL( dataChanged() ),
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this, SLOT( changeControl() ) );
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connect( &m_releaseModel, SIGNAL( dataChanged() ),
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this, SLOT( changeControl() ) );
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connect( &m_stereomodeModel, SIGNAL( dataChanged() ),
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this, SLOT( changeControl() ) );
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connect( &m_wavegraphModel, SIGNAL( samplesChanged( int, int ) ),
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this, SLOT( samplesChanged( int, int ) ) );
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setDefaultShape();
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}
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void dynProcControls::changeControl()
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{
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engine::getSong()->setModified();
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}
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void dynProcControls::samplesChanged( int _begin, int _end)
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{
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engine::getSong()->setModified();
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}
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void dynProcControls::loadSettings( const QDomElement & _this )
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{
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//load knobs, stereomode
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m_inputModel.setValue( _this.attribute( "inputGain" ).toFloat() );
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m_outputModel.setValue( _this.attribute( "outputGain" ).toFloat() );
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m_attackModel.setValue( _this.attribute( "attack" ).toFloat() );
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m_releaseModel.setValue( _this.attribute( "release" ).toFloat() );
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m_stereomodeModel.setValue( _this.attribute( "stereoMode" ).toInt() );
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//load waveshape
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int size = 0;
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char * dst = 0;
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base64::decode( _this.attribute( "waveShape"), &dst, &size );
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m_wavegraphModel.setSamples( (float*) dst );
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delete[] dst;
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}
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void dynProcControls::saveSettings( QDomDocument & _doc,
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QDomElement & _this )
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{
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//save input, output knobs
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_this.setAttribute( "inputGain", m_inputModel.value() );
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_this.setAttribute( "outputGain", m_outputModel.value() );
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_this.setAttribute( "attack", m_attackModel.value() );
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_this.setAttribute( "release", m_releaseModel.value() );
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_this.setAttribute( "stereoMode", m_stereomodeModel.value() );
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//save waveshape
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QString sampleString;
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base64::encode( (const char *)m_wavegraphModel.samples(),
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m_wavegraphModel.length() * sizeof(float), sampleString );
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_this.setAttribute( "waveShape", sampleString );
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}
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void dynProcControls::setDefaultShape()
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{
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float shp [200] = { };
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for ( int i = 0; i<200; i++)
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{
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shp[i] = ((float)i + 1.0f) / 200.0f;
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}
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m_wavegraphModel.setLength( 200 );
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m_wavegraphModel.setSamples( (float*)&shp );
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}
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void dynProcControls::resetClicked()
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{
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setDefaultShape();
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engine::getSong()->setModified();
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}
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void dynProcControls::smoothClicked()
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{
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m_wavegraphModel.smoothNonCyclic();
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engine::getSong()->setModified();
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}
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void dynProcControls::addOneClicked()
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{
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for( int i=0; i<200; i++ )
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{
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m_wavegraphModel.setSampleAt( i, qBound( 0.0f, m_wavegraphModel.samples()[i] * onedB, 1.0f ) );
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}
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engine::getSong()->setModified();
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}
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void dynProcControls::subOneClicked()
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{
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for( int i=0; i<200; i++ )
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{
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m_wavegraphModel.setSampleAt( i, qBound( 0.0f, m_wavegraphModel.samples()[i] / onedB, 1.0f ) );
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}
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engine::getSong()->setModified();
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}
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#include "moc_dynamics_processor_controls.cxx"
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