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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2012 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __SYNTHESIZER_H__
#define __SYNTHESIZER_H__
#include "libmscore/synthesizerstate.h"
namespace Ms {
struct MidiPatch;
class PlayEvent;
class Synth;
class SynthesizerGui;
//---------------------------------------------------------
// SoundFontInfo
//---------------------------------------------------------
struct SoundFontInfo {
QString fileName;
QString fontName;
SoundFontInfo(QString _fileName) : fileName(_fileName), fontName(_fileName) {}
SoundFontInfo(QString _fileName, QString _fontName) : fileName(_fileName), fontName(_fontName) {}
};
//---------------------------------------------------------
// Synthesizer
//---------------------------------------------------------
class Synthesizer {
bool _active;
protected:
float _sampleRate;
SynthesizerGui* _gui;
public:
Synthesizer() : _active(false) { _gui = 0; }
virtual ~Synthesizer() {}
virtual void init(float sr) { _sampleRate = sr; }
float sampleRate() const { return _sampleRate; }
virtual const char* name() const = 0;
virtual void setMasterTuning(double) {}
virtual double masterTuning() const { return 440.0; }
virtual bool loadSoundFonts(const QStringList&) = 0;
virtual bool addSoundFont(const QString&) { return false; }
virtual bool removeSoundFont(const QString&) { return false; }
virtual std::vector<SoundFontInfo> soundFontsInfo() const = 0;
virtual void process(unsigned, float*, float*, float*) = 0;
virtual void play(const PlayEvent&) = 0;
virtual const QList<MidiPatch*>& getPatchInfo() const = 0;
// get/set synthesizer state
virtual SynthesizerGroup state() const = 0;
virtual bool setState(const SynthesizerGroup&) = 0;
virtual void setValue(int, double) {}
virtual double value(int) const { return 0.0; }
void reset() { _active = false; }
bool active() const { return _active; }
void setActive(bool val = true) { _active = val; }
virtual void allSoundsOff(int /*channel*/) {}
virtual void allNotesOff(int /*channel*/) {}
virtual SynthesizerGui* gui() { return _gui; }
};
}
#endif
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