squeezelite-esp32/components/spotify/cspot/bell/main/audio-dsp/include/AudioTransform.h

#pragma once

#include <memory>
#include <thread>
#include <mutex>
#include "StreamInfo.h"
#include "TransformConfig.h"

namespace bell
{
    class AudioTransform
    {
    protected:
        std::mutex accessMutex;

    public:
        virtual std::unique_ptr<StreamInfo> process(std::unique_ptr<StreamInfo> data) = 0;
        virtual void sampleRateChanged(uint32_t sampleRate){};
        virtual float calculateHeadroom() { return 0; };

        virtual void reconfigure() {};

        std::string filterType;
        std::unique_ptr<TransformConfig> config;

        AudioTransform() = default;
        virtual ~AudioTransform() = default;
    };
};