DynamicRangeProcessorClock.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  DynamicRangeProcessorClock.h
 
  Matthieu Hodgkinson
 
**********************************************************************/
#pragma once
 
#include <chrono>
#include <optional>
 
class DYNAMIC_RANGE_PROCESSOR_API DynamicRangeProcessorClock final
{
public:
   std::chrono::steady_clock::time_point GetNow() const;
   void Pause();
   void Resume();
 
private:
   std::optional<std::chrono::steady_clock::time_point> mPauseBegin;
   std::chrono::duration<double> mElapsedWhilePaused =
      std::chrono::duration<double>::zero();
};