74 lines
2 KiB
C++
74 lines
2 KiB
C++
//=============================================================================
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// MuseSynth
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// Music Software Synthesizer
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//
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// Copyright (C) 2013 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __EFFECT_H__
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#define __EFFECT_H__
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#include <vector>
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#include "libmscore/synthesizerstate.h"
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namespace Ms {
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class EffectGui;
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//---------------------------------------------------------
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// ParDescr
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// parameter description
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//---------------------------------------------------------
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struct ParDescr {
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int id; // index in parameter list
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const char* name;
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bool log;
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float min;
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float max;
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float init;
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};
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//---------------------------------------------------------
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// Effect
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//---------------------------------------------------------
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class Effect : public QObject
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{
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Q_OBJECT
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protected:
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EffectGui* _gui { nullptr };
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public slots:
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virtual void setValue(const QString& name, double value);
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virtual void setValue(int idx, double value);
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virtual void setNValue(int idx, double value) = 0;
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public:
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Effect()
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: QObject() { }
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virtual ~Effect() {}
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virtual void process(int frames, float*, float*) = 0;
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virtual const char* name() const = 0;
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virtual void init(float /*sampleRate*/) {}
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virtual const std::vector<ParDescr>& parDescr() const = 0;
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Q_INVOKABLE qreal value(const QString& name) const;
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virtual double value(int idx) const;
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virtual double nvalue(int /*idx*/) const { return .0; }
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virtual const ParDescr* parameter(int idx) const;
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virtual const ParDescr* parameter(const QString&) const;
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virtual SynthesizerGroup state() const { return SynthesizerGroup(); }
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virtual void setState(const SynthesizerGroup&) {}
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virtual EffectGui* gui() { return _gui; }
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};
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}
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#endif
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