139 lines
4.1 KiB
C++
139 lines
4.1 KiB
C++
//=============================================================================
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// Zerberus
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// Zample player
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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 __ZERBERUS_H__
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#define __ZERBERUS_H__
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#include <math.h>
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#include <atomic>
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// #include <mutex>
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#include <list>
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#include <memory>
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#include <queue>
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#include "synthesizer/synthesizer.h"
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#include "synthesizer/event.h"
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#include "voice.h"
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class Channel;
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class ZInstrument;
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enum class Trigger : char;
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static const int MAX_VOICES = 512;
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static const int MAX_CHANNEL = 64;
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static const int MAX_TRIGGER = 512;
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//---------------------------------------------------------
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// VoiceFifo
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//---------------------------------------------------------
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class VoiceFifo {
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std::queue<Voice*> buffer;
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std::vector< std::unique_ptr<Voice> > voices;
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public:
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VoiceFifo() {
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voices.resize(MAX_VOICES);
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}
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void init(Zerberus* z) {
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for (int i = 0; i < MAX_VOICES; ++i) {
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voices.push_back(std::unique_ptr<Voice>(new Voice(z)));
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buffer.push(voices.back().get());
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}
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}
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void push(Voice* v) {
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buffer.push(v);
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}
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Voice* pop() {
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Q_ASSERT(!buffer.empty());
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Voice* v = buffer.front();
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buffer.pop();
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return v;
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}
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bool empty() const { return buffer.empty(); }
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};
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//---------------------------------------------------------
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// Zerberus
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//---------------------------------------------------------
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class Zerberus : public Ms::Synthesizer {
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static bool initialized;
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static std::list<ZInstrument*> globalInstruments;
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double _masterTuning = 440.0;
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std::atomic<bool> busy;
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std::list<ZInstrument*> instruments;
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Channel* _channel[MAX_CHANNEL];
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int allocatedVoices = 0;
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VoiceFifo freeVoices;
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Voice* activeVoices = 0;
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int _loadProgress = 0;
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bool _loadWasCanceled = false;
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QMutex mutex;
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void programChange(int channel, int program);
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void trigger(Channel*, int key, int velo, Trigger, int cc, int ccVal, double durSinceNoteOn);
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void processNoteOff(Channel*, int pitch);
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void processNoteOn(Channel* cp, int key, int velo);
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public:
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Zerberus();
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~Zerberus();
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virtual void process(unsigned frames, float*, float*, float*);
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virtual void play(const Ms::PlayEvent& event);
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bool loadInstrument(const QString&);
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ZInstrument* instrument(int program) const;
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Voice* getActiveVoices() { return activeVoices; }
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Channel* channel(int n) { return _channel[n]; }
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int loadProgress() { return _loadProgress; }
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void setLoadProgress(int val) { _loadProgress = val; }
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bool loadWasCanceled() { return _loadWasCanceled; }
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void setLoadWasCanceled(bool status) { _loadWasCanceled = status; }
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virtual void setMasterTuning(double val) { _masterTuning = val; }
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virtual double masterTuning() const { return _masterTuning; }
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double ct2hz(double c) const { return pow(2.0, (c-6900.0) / 1200.0) * masterTuning(); }
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virtual const char* name() const;
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virtual const QList<Ms::MidiPatch*>& getPatchInfo() const;
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virtual Ms::SynthesizerGroup state() const;
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virtual bool setState(const Ms::SynthesizerGroup&);
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virtual void allSoundsOff(int channel);
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virtual void allNotesOff(int channel);
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virtual bool addSoundFont(const QString&);
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virtual bool removeSoundFont(const QString&);
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virtual bool loadSoundFonts(const QStringList&);
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virtual bool removeSoundFonts(const QStringList& fileNames);
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virtual QStringList soundFonts() const;
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virtual Ms::SynthesizerGui* gui();
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static QFileInfoList sfzFiles();
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};
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#endif
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