| 12345678910111213141516171819202122232425262728 | #pragma once#include <memory>#include <mutex>#include <thread>#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;};};  // namespace bell
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