61 lines
2 KiB
C++
61 lines
2 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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#pragma once
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#include "SfizzVstState.h"
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#include "RTSemaphore.h"
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#include "public.sdk/source/vst/vstaudioeffect.h"
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#include "public.sdk/source/vst/utility/ringbuffer.h"
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#include <sfizz.hpp>
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#include <thread>
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#include <mutex>
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#include <memory>
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using namespace Steinberg;
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class SfizzVstProcessor : public Vst::AudioEffect {
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public:
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SfizzVstProcessor();
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~SfizzVstProcessor();
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tresult PLUGIN_API initialize(FUnknown* context) override;
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tresult PLUGIN_API setBusArrangements(Vst::SpeakerArrangement* inputs, int32 numIns, Vst::SpeakerArrangement* outputs, int32 numOuts) override;
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tresult PLUGIN_API setState(IBStream* stream) override;
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tresult PLUGIN_API getState(IBStream* stream) override;
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void syncStateToSynth();
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tresult PLUGIN_API canProcessSampleSize(int32 symbolicSampleSize) override;
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tresult PLUGIN_API setActive(TBool state) override;
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tresult PLUGIN_API process(Vst::ProcessData& data) override;
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void processParameterChanges(Vst::IParameterChanges& pc);
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void processControllerChanges(Vst::IParameterChanges& pc);
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void processEvents(Vst::IEventList& events);
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static int convertVelocityFromFloat(float x);
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tresult PLUGIN_API notify(Vst::IMessage* message) override;
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static FUnknown* createInstance(void*);
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static FUID cid;
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// --- Sfizz stuff here below ---
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private:
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// synth state. acquire processMutex before accessing
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std::unique_ptr<sfz::Sfizz> _synth;
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SfizzVstState _state;
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// worker and thread sync
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std::thread _worker;
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volatile bool _workRunning = false;
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Steinberg::OneReaderOneWriter::RingBuffer<Vst::IMessage*> _fifoToWorker;
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RTSemaphore _semaToWorker;
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std::mutex _processMutex;
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// worker
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void doBackgroundWork();
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void stopBackgroundWork();
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};
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