EffectChain.h

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/*
 * EffectChain.h - class for processing and effects chain
 *
 * Copyright (c) 2006-2008 Danny McRae <khjklujn/at/users.sourceforge.net>
 * Copyright (c) 2008-2014 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.
 *
 */
 
#ifndef LMMS_EFFECT_CHAIN_H
#define LMMS_EFFECT_CHAIN_H
 
#include "Model.h"
#include "SerializingObject.h"
#include "AutomatableModel.h"
 
namespace lmms
{
 
class AudioBuffer;
class Effect;
 
namespace gui
{
 
class EffectRackView;
 
} // namespace gui
 
 
class LMMS_EXPORT EffectChain : public Model, public SerializingObject
{
    Q_OBJECT
public:
    EffectChain( Model * _parent );
    ~EffectChain() override;
 
    void saveSettings( QDomDocument & _doc, QDomElement & _parent ) override;
    void loadSettings( const QDomElement & _this ) override;
 
    inline QString nodeName() const override
    {
        return "fxchain";
    }
 
    void appendEffect( Effect * _effect );
    void removeEffect( Effect * _effect );
    void moveDown( Effect * _effect );
    void moveUp( Effect * _effect );
    bool processAudioBuffer(AudioBuffer& buffer);
 
    void clear();
 
 
private:
    using EffectList = std::vector<Effect*>;
    EffectList m_effects;
 
    BoolModel m_enabledModel;
 
 
    friend class gui::EffectRackView;
 
 
signals:
    void aboutToClear();
 
} ;
 
} // namespace lmms
 
#endif // LMMS_EFFECT_CHAIN_H