FormantShifterLoggerInterface.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  FormantShifterLoggerInterface.h
 
  A visualization helper for the development of the formant shifter.
 
  Matthieu Hodgkinson
 
**********************************************************************/
#pragma once
 
#include <complex>
#include <functional>
 
class FormantShifterLoggerInterface
{
public:
   virtual ~FormantShifterLoggerInterface() = default;
 
   virtual void NewSamplesComing(int sampleCount) = 0;
 
   virtual void Log(int value, const char* name) const = 0;
 
   virtual void
   Log(const float* samples, size_t size, const char* name) const = 0;
 
   virtual void Log(
      const std::complex<float>* samples, size_t size, const char* name,
      const std::function<float(const std::complex<float>&)>& transform)
      const = 0;
 
   virtual void
   ProcessFinished(std::complex<float>* spectrum, size_t fftSize) = 0;
};