76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2012 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 __SYNTHESIZER_H__
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#define __SYNTHESIZER_H__
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#include "libmscore/synthesizerstate.h"
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namespace Ms {
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struct MidiPatch;
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class PlayEvent;
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class Synth;
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class SynthesizerGui;
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//---------------------------------------------------------
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// Synthesizer
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//---------------------------------------------------------
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class Synthesizer {
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bool _active;
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protected:
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float _sampleRate;
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SynthesizerGui* _gui;
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public:
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Synthesizer() : _active(false) { _gui = 0; }
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virtual ~Synthesizer() {}
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virtual void init(float sr) { _sampleRate = sr; }
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float sampleRate() const { return _sampleRate; }
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virtual const char* name() const = 0;
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virtual void setMasterTuning(double) {}
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virtual double masterTuning() const { return 440.0; }
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virtual bool loadSoundFonts(const QStringList&) = 0;
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virtual bool addSoundFont(const QString&) { return false; }
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virtual bool removeSoundFont(const QString&) { return false; }
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virtual QStringList soundFonts() const = 0;
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virtual void process(unsigned, float*, float*, float*) = 0;
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virtual void play(const PlayEvent&) = 0;
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virtual const QList<MidiPatch*>& getPatchInfo() const = 0;
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// get/set synthesizer state
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virtual SynthesizerGroup state() const = 0;
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virtual bool setState(const SynthesizerGroup&) = 0;
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virtual void setValue(int, double) {}
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virtual double value(int) const { return 0.0; }
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void reset() { _active = false; }
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bool active() const { return _active; }
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void setActive(bool val = true) { _active = val; }
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virtual void allSoundsOff(int /*channel*/) {}
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virtual void allNotesOff(int /*channel*/) {}
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virtual SynthesizerGui* gui() { return _gui; }
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};
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}
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#endif
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