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a876cf9d00
Co-authored-by: Dominic Clark <mrdomclark@gmail.com> Co-authored-by: Hyunjin Song <tteu.ingog@gmail.com>
161 lines
4.1 KiB
C++
161 lines
4.1 KiB
C++
/*
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* DynamicsProcessorControls.cpp - controls for DynamicsProcessor-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 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 <QDomElement>
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#include "DynamicsProcessorControls.h"
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#include "DynamicsProcessor.h"
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#include "base64.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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namespace lmms
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{
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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_wavegraphModel, SIGNAL( samplesChanged( int, int ) ),
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this, SLOT( samplesChanged( int, int ) ) );
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connect( Engine::audioEngine(), SIGNAL( sampleRateChanged() ), this, SLOT( sampleRateChanged() ) );
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setDefaultShape();
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}
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void DynProcControls::sampleRateChanged()
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{
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m_effect->m_needsUpdate = true;
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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.loadSettings( _this, "inputGain" );
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m_outputModel.loadSettings( _this, "outputGain" );
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m_attackModel.loadSettings( _this, "attack" );
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m_releaseModel.loadSettings( _this, "release" );
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m_stereomodeModel.loadSettings( _this, "stereoMode" );
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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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m_inputModel.saveSettings( _doc, _this, "inputGain" );
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m_outputModel.saveSettings( _doc, _this, "outputGain" );
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m_attackModel.saveSettings( _doc, _this, "attack" );
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m_releaseModel.saveSettings( _doc, _this, "release" );
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m_stereomodeModel.saveSettings( _doc, _this, "stereoMode" );
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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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auto shp = std::array<float, 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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} // namespace lmms
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