RmsNormalizer.h

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#pragma once
#include "HephAudioShared.h"
#include "AudioEffect.h"
#include <mutex>
#include <condition_variable>
 
namespace HephAudio
{
    class HEPH_API RmsNormalizer : public AudioEffect
    {
    protected:
        double targetRms;
 
        double currentRms;
 
        double lastGain;
 
        double smoothingFactor;
 
        std::mutex mutex;
 
        std::condition_variable cv;
 
        size_t threadsCompleted;
 
    public:
        RmsNormalizer();
 
        explicit RmsNormalizer(heph_audio_sample_t targetRms);
 
        RmsNormalizer(heph_audio_sample_t peakAmplitude, double smoothingFactor);
 
        virtual ~RmsNormalizer() = default;
 
        virtual std::string Name() const override;
        virtual void ResetInternalState() override;
 
        virtual double GetTargetRms() const;
 
        virtual void SetTargetRms(double targetRms);
 
        virtual double GetSmoothingFactor() const;
 
        virtual void SetSmoothingFactor(double smoothingFactor);
 
    protected:
        virtual void ProcessST(const AudioBuffer& inputBuffer, AudioBuffer& outputBuffer, size_t startIndex, size_t frameCount) override;
    };
    class HEPH_API RmsNormalizer : public AudioEffect {…};
}