ClickRemoval.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ClickRemoval.h
 
  Craig DeForest
 
  (Structure largely stolen from NoiseRemoval.h by Dominic Mazzoni)
 
  This file is intended to become part of Audacity.  You may modify and/or
  distribute it under the same terms as Audacity itself.
 
**********************************************************************/
 
#ifndef __AUDACITY_EFFECT_CLICK_REMOVAL__
#define __AUDACITY_EFFECT_CLICK_REMOVAL__
 
#include "StatefulEffect.h"
#include "ShuttleAutomation.h"
#include <wx/weakref.h>
 
class wxSlider;
class wxTextCtrl;
class Envelope;
class ShuttleGui;
class WaveChannel;
 
class EffectClickRemoval final : public StatefulEffect
{
public:
   static inline EffectClickRemoval *
   FetchParameters(EffectClickRemoval &e, EffectSettings &) { return &e; }
   static const ComponentInterfaceSymbol Symbol;
 
   EffectClickRemoval();
   virtual ~EffectClickRemoval();
 
   // ComponentInterface implementation
 
   ComponentInterfaceSymbol GetSymbol() const override;
   TranslatableString GetDescription() const override;
   ManualPageID ManualPage() const override;
 
   // EffectDefinitionInterface implementation
 
   EffectType GetType() const override;
 
   // Effect implementation
 
   bool CheckWhetherSkipEffect(const EffectSettings &settings) const override;
   bool Process(EffectInstance &instance, EffectSettings &settings) override;
   std::unique_ptr<EffectEditor> PopulateOrExchange(
      ShuttleGui & S, EffectInstance &instance,
      EffectSettingsAccess &access, const EffectOutputs *pOutputs) override;
   bool TransferDataToWindow(const EffectSettings &settings) override;
   bool TransferDataFromWindow(EffectSettings &settings) override;
 
private:
   bool ProcessOne(int count, WaveChannel &track,
      sampleCount start, sampleCount len);
 
   bool RemoveClicks(size_t len, float *buffer);
 
   void OnWidthText(wxCommandEvent & evt);
   void OnThreshText(wxCommandEvent & evt);
   void OnWidthSlider(wxCommandEvent & evt);
   void OnThreshSlider(wxCommandEvent & evt);
 
private:
   wxWeakRef<wxWindow> mUIParent{};
 
   Envelope *mEnvelope;
 
   bool mbDidSomething; // This effect usually does nothing on real-world data.
   size_t windowSize;
   int mThresholdLevel;
   int mClickWidth;
   int sep;
 
   wxSlider *mWidthS;
   wxSlider *mThreshS;
   wxTextCtrl *mWidthT;
   wxTextCtrl *mThreshT;
 
   const EffectParameterMethods& Parameters() const override;
   DECLARE_EVENT_TABLE()
 
static constexpr EffectParameter Threshold{ &EffectClickRemoval::mThresholdLevel,
   L"Threshold",  200,     0,       900,     1  };
static constexpr EffectParameter Width{ &EffectClickRemoval::mClickWidth,
   L"Width",      20,      0,       40,      1  };
};
 
#endif