86 lines
No EOL
2.9 KiB
C++
86 lines
No EOL
2.9 KiB
C++
#pragma once
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#include "FilePool.h"
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#include "Parser.h"
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#include "Region.h"
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#include "SfzHelpers.h"
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#include "Helpers.h"
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#include "StereoSpan.h"
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#include "absl/types/span.h"
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#include <chrono>
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#include <optional>
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#include <random>
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#include <set>
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#include <string_view>
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#include <thread>
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#include <vector>
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using namespace std::literals;
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namespace sfz {
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class Synth : public Parser {
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public:
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Synth();
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bool loadSfzFile(const std::filesystem::path& file) final;
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int getNumRegions() const noexcept { return static_cast<int>(regions.size()); }
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int getNumGroups() const noexcept { return numGroups; }
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int getNumMasters() const noexcept { return numMasters; }
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int getNumCurves() const noexcept { return numCurves; }
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const Region* getRegionView(int idx) const noexcept { return (size_t)idx < regions.size() ? regions[idx].get() : nullptr; }
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auto getUnknownOpcodes() { return unknownOpcodes; }
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size_t getNumPreloadedSamples() { return filePool.getNumPreloadedSamples(); }
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void setSamplesPerBlock(int samplesPerBlock);
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void setSampleRate(float sampleRate);
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void renderBlock(StereoSpan<float> buffer);
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void noteOn(int delay, int channel, int noteNumber, uint8_t velocity);
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void noteOff(int delay, int channel, int noteNumber, uint8_t velocity);
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void cc(int delay, int channel, int ccNumber, uint8_t ccValue);
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void pitchWheel(int delay, int channel, int pitch);
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void aftertouch(int delay, int channel, uint8_t aftertouch);
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void tempo(int delay, float secondsPerQuarter);
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void getNumActiveVoices() const;
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void garbageCollect();
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protected:
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void callback(std::string_view header, const std::vector<Opcode>& members) final;
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private:
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bool hasGlobal { false };
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bool hasControl { false };
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int numGroups { 0 };
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int numMasters { 0 };
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int numCurves { 0 };
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void clear();
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void handleGlobalOpcodes(const std::vector<Opcode>& members);
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void handleControlOpcodes(const std::vector<Opcode>& members);
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void buildRegion(const std::vector<Opcode>& regionOpcodes);
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std::vector<Opcode> globalOpcodes;
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std::vector<Opcode> masterOpcodes;
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std::vector<Opcode> groupOpcodes;
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FilePool filePool;
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CCValueArray ccState;
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Voice* findFreeVoice();
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std::vector<CCNamePair> ccNames;
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std::optional<uint8_t> defaultSwitch;
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std::set<std::string_view> unknownOpcodes;
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using RegionPtrVector = std::vector<Region*>;
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std::vector<std::unique_ptr<Region>> regions;
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std::vector<std::unique_ptr<Voice>> voices;
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std::array<RegionPtrVector, 128> noteActivationLists;
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std::array<RegionPtrVector, 128> ccActivationLists;
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StereoBuffer<float> tempBuffer { config::defaultSamplesPerBlock };
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int samplesPerBlock { config::defaultSamplesPerBlock };
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float sampleRate { config::defaultSampleRate };
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std::random_device rd {};
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std::mt19937 randomGenerator { rd() };
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std::uniform_real_distribution<float> randNoteDistribution { 0, 1 };
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LEAK_DETECTOR(Synth);
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};
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} |