VstEffect.h

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/*
 * VstEffect.h - class for handling VST effect plugins
 *
 * Copyright (c) 2006-2009 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 _VST_EFFECT_H
#define _VST_EFFECT_H
 
#include <QMutex>
#include <QSharedPointer>
 
#include "Effect.h"
#include "VstEffectControls.h"
 
namespace lmms
{
 
 
class VstPlugin;
 
 
class VstEffect : public Effect
{
public:
    VstEffect( Model * _parent,
            const Descriptor::SubPluginFeatures::Key * _key );
    ~VstEffect() override = default;
 
    ProcessStatus processImpl(SampleFrame* buf, const f_cnt_t frames) override;
 
    EffectControls * controls() override
    {
        return &m_vstControls;
    }
 
 
private:
    bool openPlugin(const QString& plugin);
    void closePlugin();
 
    QSharedPointer<VstPlugin> m_plugin;
    QMutex m_pluginMutex;
    EffectKey m_key;
 
    VstEffectControls m_vstControls;
 
 
    friend class VstEffectControls;
    friend class gui::VstEffectControlDialog;
    friend class gui::ManageVSTEffectView;
 
} ;
 
 
} // namespace lmms
 
#endif