audiodelay.h

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#ifndef __audiodelay_h__
#define __audiodelay_h__

// --- includes
#include "synthbase.h"
#include "synthfunctions.h"

// -----------------------------
//  --- SynthLab SDK File --- // 
//  ----------------------------
// -----------------------------------------------------------------------------
namespace SynthLab
{
    class AudioDelay : public SynthModule
    {
    public:
        AudioDelay(std::shared_ptr<MidiInputData> _midiInputData,
            std::shared_ptr<AudioDelayParameters> _parameters,
            uint32_t blockSize = 64);
        virtual ~AudioDelay() {}

        virtual bool reset(double _sampleRate) override;
        virtual bool update() override;
        virtual bool render(uint32_t samplesToProcess = 1) override;
        virtual bool doNoteOn(MIDINoteEvent& noteEvent) override;
        virtual bool doNoteOff(MIDINoteEvent& noteEvent) override;

        std::shared_ptr<AudioDelayParameters> getParameters() { return parameters; }

    protected:
        std::shared_ptr<AudioDelayParameters> parameters = nullptr;

        void createDelayBuffers(double _sampleRate, double _bufferLength_mSec);
    
    protected:
        double sampleRate = 0.0;        
        double samplesPerMSec = 0.0;    
        double delayInSamples_L = 0.0;  
        double delayInSamples_R = 0.0;  
        double bufferLength_mSec = 0.0; 
        unsigned int bufferLength = 0;  
        double wetMix = 0.707; 
        double dryMix = 0.707; 

        // --- delay buffer of doubles
        CircularBuffer<double> delayBuffer_L;   
        CircularBuffer<double> delayBuffer_R;   
    };

} // namespace

#endif