DynamicsProcessor.h

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/*
 * DynamicsProcessor.h - DynamicsProcessor effect-plugin
 *
 * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
 * Copyright (c) 2006-2008 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.
 *
 */
 
 
#ifndef DYNPROC_H
#define DYNPROC_H
 
#include "Effect.h"
#include "DynamicsProcessorControls.h"
 
namespace lmms
{
 
class RmsHelper;
 
 
class DynProcEffect : public Effect
{
public:
    DynProcEffect( Model * _parent,
            const Descriptor::SubPluginFeatures::Key * _key );
    ~DynProcEffect() override;
 
    ProcessStatus processImpl(SampleFrame* buf, const f_cnt_t frames) override;
    void processBypassedImpl() override;
 
    EffectControls * controls() override
    {
        return( &m_dpControls );
    }
 
 
private:
    void calcAttack();
    void calcRelease();
 
    DynProcControls m_dpControls;
 
// this member array is needed for peak detection 
    float m_currentPeak[2];
    double m_attCoeff;
    double m_relCoeff;
    
    bool m_needsUpdate;
    
    RmsHelper * m_rms [2];
 
    friend class DynProcControls;
 
} ;
 
 
} // namespace lmms
 
#endif