MidiHandler.h

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#pragma once
#include <Bela.h>
#include <vector>
#include <queue>

struct MidiNoteMessage {
    int noteNumber;
    
    int velocity;
    
    float timestamp;
};

class MidiHandler {
public:
    MidiHandler(float sampleRate, float delayMs = 1.0f);
    
    void processMidiMessage(int noteNumber, int velocity, float currentTimeMs);
    
    void update(float currentTimeMs);
    
    bool hasDelayedMessage();
    
    MidiNoteMessage popDelayedMessage();
    
    int msToSamples(float milliseconds) const;
    
    float samplesToMs(int samples) const;
 
private:
    float sampleRate;
    
    float delayTimeMs;
    
    std::queue<MidiNoteMessage> incomingMessages;
    
    std::queue<MidiNoteMessage> delayedMessages;
};