sfizz/sources/Voice.h
2019-08-29 11:48:38 +02:00

91 lines
No EOL
2.6 KiB
C++

#pragma once
#include "ADSREnvelope.h"
#include "Globals.h"
#include "Region.h"
#include "StereoBuffer.h"
#include "StereoSpan.h"
#include <absl/types/span.h>
#include <atomic>
namespace sfz {
class Voice {
public:
Voice() = delete;
Voice(const CCValueArray& ccState);
enum class TriggerType {
NoteOn,
NoteOff,
CC
};
void setSampleRate(float sampleRate);
void setSamplesPerBlock(int samplesPerBlock);
void startVoice(Region* region, int delay, int channel, int number, uint8_t value, TriggerType triggerType);
void setFileData(std::unique_ptr<StereoBuffer<float>> file);
void registerNoteOff(int delay, int channel, int noteNumber, uint8_t velocity);
void registerCC(int delay, int channel, int ccNumber, uint8_t ccValue);
void registerPitchWheel(int delay, int channel, int pitch);
void registerAftertouch(int delay, int channel, uint8_t aftertouch);
void registerTempo(int delay, float secondsPerQuarter);
bool checkOffGroup(int delay [[maybe_unused]], uint32_t group) noexcept;
void renderBlock(StereoSpan<float> buffer);
bool isFree() const;
int getTriggerNumber() const;
int getTriggerChannel() const;
uint8_t getTriggerValue() const;
TriggerType getTriggerType() const;
void reset();
void garbageCollect();
private:
void fillWithData(StereoSpan<float> buffer);
void fillWithGenerator(StereoSpan<float> buffer);
void prepareEGEnvelope(int delay, uint8_t velocity);
Region* region { nullptr };
enum class State {
idle,
playing,
release
};
State state { State::idle };
bool noteIsOff { false };
TriggerType triggerType;
int triggerNumber;
int triggerChannel;
uint8_t triggerValue;
float speedRatio { 1.0 };
float pitchRatio { 1.0 };
float baseGain { 1.0 };
float baseFrequency { 440.0 };
float phase { 0.0f };
uint32_t sourcePosition { 0 };
float floatPosition { 0.0f };
uint32_t initialDelay { 0 };
std::atomic<bool> dataReady { false };
std::unique_ptr<StereoBuffer<float>> fileData { nullptr };
Buffer<float> tempBuffer1;
Buffer<float> tempBuffer2;
Buffer<int> indexBuffer;
absl::Span<float> tempSpan1 { absl::MakeSpan(tempBuffer1) };
absl::Span<float> tempSpan2 { absl::MakeSpan(tempBuffer2) };
absl::Span<int> indexSpan { absl::MakeSpan(indexBuffer) };
int samplesPerBlock { config::defaultSamplesPerBlock };
double sampleRate { config::defaultSampleRate };
const CCValueArray& ccState;
ADSREnvelope<float> egEnvelope;
LEAK_DETECTOR(Voice);
};
} // namespace sfz