An Effect for removing clicks. More...

#include <ClickRemovalBase.h>

Inheritance diagram for ClickRemovalBase:

Collaboration diagram for ClickRemovalBase:

Public Member Functions
	ClickRemovalBase ()

virtual	~ClickRemovalBase ()

ComponentInterfaceSymbol	GetSymbol () const override

TranslatableString	GetDescription () const override

ManualPageID	ManualPage () const override
	Name of a page in the Audacity alpha manual, default is empty. More...

EffectType	GetType () const override
	Type determines how it behaves. More...

bool	CheckWhetherSkipEffect (const EffectSettings &settings) const override
	After Init(), tell whether Process() should be skipped. More...

bool	Process (EffectInstance &instance, EffectSettings &settings) override

Public Member Functions inherited from StatefulEffect
	~StatefulEffect () override

std::shared_ptr< EffectInstance >	MakeInstance () const override
	Make an object maintaining short-term state of an Effect. More...

Public Member Functions inherited from StatefulEffectBase
virtual bool	Init ()

virtual bool	Process (EffectInstance &instance, EffectSettings &settings)=0

virtual bool	RealtimeInitialize (EffectSettings &settings, double sampleRate)

virtual bool	RealtimeAddProcessor (EffectSettings &settings, EffectOutputs *pOutputs, unsigned numChannels, float sampleRate)

virtual bool	RealtimeSuspend ()

virtual bool	RealtimeResume ()

virtual bool	RealtimeProcessStart (MessagePackage &package)
	settings are possibly changed, since last call, by an asynchronous dialog More...

virtual size_t	RealtimeProcess (size_t group, EffectSettings &settings, const float const inBuf, float const outBuf, size_t numSamples)

virtual bool	RealtimeProcessEnd (EffectSettings &settings) noexcept
	settings can be updated to let a dialog change appearance at idle More...

virtual bool	RealtimeFinalize (EffectSettings &settings) noexcept

virtual size_t	SetBlockSize (size_t maxBlockSize)

virtual size_t	GetBlockSize () const

virtual unsigned	GetAudioInCount () const
	How many input buffers to allocate at once. More...

virtual unsigned	GetAudioOutCount () const
	How many output buffers to allocate at once. More...

virtual sampleCount	GetLatency () const

virtual bool	NeedsDither () const

virtual bool	ProcessInitialize (EffectSettings &settings, double sampleRate, ChannelNames chanMap=nullptr)

virtual bool	ProcessFinalize () noexcept

Public Member Functions inherited from Effect
	Effect ()

virtual	~Effect ()

PluginPath	GetPath () const override

bool	VisitSettings (SettingsVisitor &visitor, EffectSettings &settings) override

bool	VisitSettings (ConstSettingsVisitor &visitor, const EffectSettings &settings) const override

ComponentInterfaceSymbol	GetSymbol () const override

VendorSymbol	GetVendor () const override

wxString	GetVersion () const override

TranslatableString	GetDescription () const override

EffectFamilySymbol	GetFamily () const override
	Report identifier and user-visible name of the effect protocol. More...

bool	IsInteractive () const override
	Whether the effect needs a dialog for entry of settings. More...

bool	IsDefault () const override
	Whether the effect sorts "above the line" in the menus. More...

RealtimeSince	RealtimeSupport () const override
	Since which version of Audacity has the effect supported realtime? More...

bool	SupportsAutomation () const override
	Whether the effect has any automatable controls. More...

bool	SaveSettings (const EffectSettings &settings, CommandParameters &parms) const override
	Store settings as keys and values. More...

bool	LoadSettings (const CommandParameters &parms, EffectSettings &settings) const override
	Restore settings from keys and values. More...

OptionalMessage	LoadUserPreset (const RegistryPath &name, EffectSettings &settings) const override

bool	SaveUserPreset (const RegistryPath &name, const EffectSettings &settings) const override
	Save settings in the configuration file as a user-named preset. More...

RegistryPaths	GetFactoryPresets () const override
	Report names of factory presets. More...

OptionalMessage	LoadFactoryPreset (int id, EffectSettings &settings) const override

OptionalMessage	LoadFactoryDefaults (EffectSettings &settings) const override

virtual const EffectParameterMethods &	Parameters () const

bool	CanExportPresets () const override
	Whether the effect supports export of presets to files, and importing too. More...

bool	HasOptions () const override

const EffectSettingsManager &	GetDefinition () const override

virtual NumericFormatID	GetSelectionFormat ()

bool	SaveSettingsAsString (const EffectSettings &settings, wxString &parms) const override

OptionalMessage	LoadSettingsFromString (const wxString &parms, EffectSettings &settings) const override

bool	IsBatchProcessing () const override

void	SetBatchProcessing () override

void	UnsetBatchProcessing () override

unsigned	TestUIFlags (unsigned mask)

bool	Delegate (Effect &delegate, EffectSettings &settings, InstanceFinder finder={})
	Re-invoke DoEffect on another Effect object that implements the work. More...

Public Member Functions inherited from EffectBase
	EffectBase ()

	~EffectBase () override

bool	IsLinearEffect () const

bool	PreviewsFullSelection () const

void	SetTracks (TrackList *pTracks)

double	GetDefaultDuration ()

virtual std::any	BeginPreview (const EffectSettings &settings)
	Called when Preview() starts, to allow temporary effect state changes. More...

bool	DoEffect (EffectSettings &settings, const InstanceFinder &finder, double projectRate, TrackList list, WaveTrackFactory factory, NotifyingSelectedRegion &selectedRegion, unsigned flags, const EffectSettingsAccessPtr &pAccess) override

virtual double	CalcPreviewInputLength (const EffectSettings &settings, double previewLength) const =0

void	CountWaveTracks ()

Public Member Functions inherited from EffectPlugin
EffectPlugin &	operator= (EffectPlugin &)=delete

virtual	~EffectPlugin ()

virtual bool	HasOptions () const =0

virtual bool	CanExportPresets () const =0
	Whether the effect supports export of presets to files, and importing too. More...

virtual const EffectSettingsManager &	GetDefinition () const =0

virtual bool	SaveSettingsAsString (const EffectSettings &settings, wxString &parms) const =0

virtual OptionalMessage	LoadSettingsFromString (const wxString &parms, EffectSettings &settings) const =0

virtual bool	IsBatchProcessing () const =0

virtual void	SetBatchProcessing ()=0

virtual void	UnsetBatchProcessing ()=0

virtual bool	DoEffect (EffectSettings &settings, const InstanceFinder &finder, double projectRate, TrackList list, WaveTrackFactory factory, NotifyingSelectedRegion &selectedRegion, unsigned flags, const EffectSettingsAccessPtr &pAccess=nullptr)=0

Public Member Functions inherited from EffectInstanceFactory
virtual	~EffectInstanceFactory ()

virtual std::shared_ptr< EffectInstance >	MakeInstance () const =0
	Make an object maintaining short-term state of an Effect. More...

Public Member Functions inherited from EffectSettingsManager
virtual	~EffectSettingsManager ()

virtual bool	VisitSettings (SettingsVisitor &visitor, EffectSettings &settings)

virtual bool	VisitSettings (ConstSettingsVisitor &visitor, const EffectSettings &settings) const

virtual EffectSettings	MakeSettings () const

virtual bool	CopySettingsContents (const EffectSettings &src, EffectSettings &dst) const
	Update one settings object from another. More...

virtual std::unique_ptr< EffectOutputs >	MakeOutputs () const
	Produce an object to hold values to send to effect output meters. More...

Public Member Functions inherited from EffectDefinitionInterface
virtual	~EffectDefinitionInterface ()

virtual EffectType	GetType () const =0
	Type determines how it behaves. More...

virtual EffectType	GetClassification () const
	Determines which menu it appears in; default same as GetType(). More...

virtual EffectFamilySymbol	GetFamily () const =0
	Report identifier and user-visible name of the effect protocol. More...

virtual bool	IsInteractive () const =0
	Whether the effect needs a dialog for entry of settings. More...

virtual bool	IsDefault () const =0
	Whether the effect sorts "above the line" in the menus. More...

virtual RealtimeSince	RealtimeSupport () const =0
	Since which version of Audacity has the effect supported realtime? More...

bool	SupportsRealtime () const

virtual bool	SupportsAutomation () const =0
	Whether the effect has any automatable controls. More...

virtual bool	EnablesDebug () const
	Whether the effect dialog should have a Debug button; default, always false. More...

virtual ManualPageID	ManualPage () const
	Name of a page in the Audacity alpha manual, default is empty. More...

virtual FilePath	HelpPage () const
	Fully qualified local help file name, default is empty. More...

virtual bool	IsHiddenFromMenus () const
	Default is false. More...

Public Member Functions inherited from ComponentInterface
virtual	~ComponentInterface ()

virtual PluginPath	GetPath () const =0

virtual ComponentInterfaceSymbol	GetSymbol () const =0

virtual VendorSymbol	GetVendor () const =0

virtual wxString	GetVersion () const =0

virtual TranslatableString	GetDescription () const =0

TranslatableString	GetName () const

Static Public Member Functions
static ClickRemovalBase *	FetchParameters (ClickRemovalBase &e, EffectSettings &)

Static Public Member Functions inherited from Effect
static Effect *	FetchParameters (Effect &e, EffectSettings &)

Static Public Member Functions inherited from EffectBase
static std::optional< InstancePointer >	FindInstance (EffectPlugin &plugin)

static InstanceFinder	DefaultInstanceFinder (EffectPlugin &plugin)

Static Public Member Functions inherited from EffectDefinitionInterface
static Identifier	GetSquashedName (const Identifier &ident)
	A utility that strips spaces and CamelCases a name. More...

Static Public Attributes
static const ComponentInterfaceSymbol	Symbol { XO("Click Removal") }

Static Public Attributes inherited from EffectPlugin
static const wxString	kUserPresetIdent = wxT("User Preset:")

static const wxString	kFactoryPresetIdent = wxT("Factory Preset:")

static const wxString	kCurrentSettingsIdent = wxT("<Current Settings>")

static const wxString	kFactoryDefaultsIdent = wxT("<Factory Defaults>")

Protected Member Functions
const EffectParameterMethods &	Parameters () const override

Protected Member Functions inherited from Effect
bool	CheckWhetherSkipEffect (const EffectSettings &settings) const override
	Default implementation returns false. More...

double	CalcPreviewInputLength (const EffectSettings &settings, double previewLength) const override
	Default implementation returns `previewLength` More...

bool	TotalProgress (double frac, const TranslatableString &={}) const

bool	TrackProgress (int whichTrack, double frac, const TranslatableString &={}) const

bool	TrackGroupProgress (int whichGroup, double frac, const TranslatableString &={}) const

int	GetNumWaveTracks () const

int	GetNumWaveGroups () const

void	GetBounds (const WaveTrack &track, sampleCount start, sampleCount len)

Protected Member Functions inherited from EffectBase
virtual bool	CheckWhetherSkipEffect (const EffectSettings &settings) const =0
	After Init(), tell whether Process() should be skipped. More...

void	SetLinearEffectFlag (bool linearEffectFlag)

void	SetPreviewFullSelectionFlag (bool previewDurationFlag)

bool	IsPreviewing () const

const TrackList *	inputTracks () const

const AudacityProject *	FindProject () const

Protected Attributes
Envelope *	mEnvelope

bool	mbDidSomething

size_t	windowSize

int	mThresholdLevel

int	mClickWidth

int	sep

Protected Attributes inherited from EffectBase
double	mF0 {}

double	mF1 {}

wxArrayString	mPresetNames

unsigned	mUIFlags { 0 }

Static Protected Attributes
static constexpr EffectParameter	Threshold

static constexpr EffectParameter	Width

Private Member Functions
bool	ProcessOne (int count, WaveChannel &track, sampleCount start, sampleCount len)

bool	RemoveClicks (size_t len, float *buffer)

Additional Inherited Members
Public Types inherited from StatefulEffectBase
using	MessagePackage = EffectInstance::MessagePackage

Public Types inherited from EffectPlugin
using	EffectSettingsAccessPtr = std::shared_ptr< EffectSettingsAccess >

using	InstancePointer = std::shared_ptr< EffectInstanceEx >

using	InstanceFinder = std::function< std::optional< InstancePointer >(EffectSettings &settings) >

Public Types inherited from EffectDefinitionInterface
enum class	RealtimeSince : unsigned { Never , After_3_1 , Always }
	In which versions of Audacity was an effect realtime capable? More...

Public Attributes inherited from EffectBase
std::shared_ptr< TrackList >	mTracks {}

int	mNumTracks {}

BasicUI::ProgressDialog *	mProgress {}

double	mProjectRate {}

WaveTrackFactory *	mFactory {}

double	mT0 {}

double	mT1 {}

bool	mIsPreview { false }

Detailed Description

An Effect for removing clicks.

Clicks are identified as small regions of high amplitude compared to the surrounding chunk of sound. Anything sufficiently tall compared to a large (2048 sample) window around it, and sufficiently narrow, is considered to be a click.

The structure was largely stolen from Domonic Mazzoni's NoiseRemoval module, and reworked for the NEW effect.

This file is intended to become part of Audacity. You may modify and/or distribute it under the same terms as Audacity itself.

Definition at line 18 of file ClickRemovalBase.h.

Constructor & Destructor Documentation

◆ ClickRemovalBase()

ClickRemovalBase::ClickRemovalBase ( )

Definition at line 42 of file ClickRemovalBase.cpp.

{
   Parameters().Reset(*this);
 
   SetLinearEffectFlag(false);
 
   windowSize = 8192;
   sep = 2049;
}

References Parameters(), EffectParameterMethods::Reset(), sep, EffectBase::SetLinearEffectFlag(), and windowSize.

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◆ ~ClickRemovalBase()

ClickRemovalBase::~ClickRemovalBase ( )

virtual

Definition at line 52 of file ClickRemovalBase.cpp.

53{

54}

Member Function Documentation

◆ CheckWhetherSkipEffect()

bool ClickRemovalBase::CheckWhetherSkipEffect ( const EffectSettings & settings ) const

overridevirtual

After Init(), tell whether Process() should be skipped.

Implements EffectBase.

Definition at line 82 of file ClickRemovalBase.cpp.

{
   return ((mClickWidth == 0) || (mThresholdLevel == 0));
}

References mClickWidth, and mThresholdLevel.

◆ FetchParameters()

static ClickRemovalBase * ClickRemovalBase::FetchParameters	(	ClickRemovalBase &	e,
		EffectSettings &
	)

inlinestatic

Definition at line 22 of file ClickRemovalBase.h.

   {
      return &e;
   }

◆ GetDescription()

TranslatableString ClickRemovalBase::GetDescription ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 63 of file ClickRemovalBase.cpp.

{
   return XO("Click Removal is designed to remove clicks on audio tracks");
}

References XO().

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◆ GetSymbol()

ComponentInterfaceSymbol ClickRemovalBase::GetSymbol ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 58 of file ClickRemovalBase.cpp.

{
   return Symbol;
}

References Symbol.

◆ GetType()

EffectType ClickRemovalBase::GetType ( ) const

overridevirtual

Type determines how it behaves.

Implements EffectDefinitionInterface.

Definition at line 75 of file ClickRemovalBase.cpp.

{
   return EffectTypeProcess;
}

References EffectTypeProcess.

Referenced by Process().

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◆ ManualPage()

ManualPageID ClickRemovalBase::ManualPage ( ) const

overridevirtual

Name of a page in the Audacity alpha manual, default is empty.

Reimplemented from EffectDefinitionInterface.

Definition at line 68 of file ClickRemovalBase.cpp.

{
   return L"Click_Removal";
}

◆ Parameters()

const EffectParameterMethods & ClickRemovalBase::Parameters ( ) const

overrideprotectedvirtual

Reimplemented from Effect.

Definition at line 34 of file ClickRemovalBase.cpp.

{
   static CapturedParameters<ClickRemovalBase, Threshold, Width> parameters;
   return parameters;
}

Referenced by ClickRemovalBase().

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◆ Process()

bool ClickRemovalBase::Process	(	EffectInstance &	instance,
		EffectSettings &	settings
	)

overridevirtual

Implements StatefulEffectBase.

Definition at line 87 of file ClickRemovalBase.cpp.

{
   EffectOutputTracks outputs { *mTracks, GetType(), { { mT0, mT1 } } };
   bool bGoodResult = true;
   mbDidSomething = false;
 
   int count = 0;
   for (auto track : outputs.Get().Selected<WaveTrack>())
   {
      double trackStart = track->GetStartTime();
      double trackEnd = track->GetEndTime();
      double t0 = std::max(mT0, trackStart);
      double t1 = std::min(trackEnd, mT1);
 
      if (t1 > t0)
      {
         auto start = track->TimeToLongSamples(t0);
         auto end = track->TimeToLongSamples(t1);
         auto len = end - start;
         for (const auto pChannel : track->Channels())
            if (!ProcessOne(count++, *pChannel, start, len))
            {
               bGoodResult = false;
               goto done;
            }
      }
   }
done:
   if (bGoodResult && !mbDidSomething) // Processing successful, but
                                       // ineffective.
   {
      using namespace BasicUI;
      ShowMessageBox(
         XO("Algorithm not effective on this audio. Nothing changed."),
         MessageBoxOptions {}.IconStyle(Icon::Error));
   }
 
   if (bGoodResult && mbDidSomething)
      outputs.Commit();
 
   return bGoodResult && mbDidSomething;
}

References details::end(), GetType(), BasicUI::MessageBoxOptions::IconStyle(), mbDidSomething, min(), EffectBase::mT0, EffectBase::mT1, EffectBase::mTracks, ProcessOne(), BasicUI::ShowMessageBox(), and XO().

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◆ ProcessOne()

bool ClickRemovalBase::ProcessOne	(	int	count,
		WaveChannel &	track,
		sampleCount	start,
		sampleCount	len
	)

private

Definition at line 130 of file ClickRemovalBase.cpp.

{
   if (len <= windowSize / 2)
   {
      using namespace BasicUI;
      ShowMessageBox(
         XO("Selection must be larger than %d samples.").Format(windowSize / 2),
         MessageBoxOptions {}.IconStyle(Icon::Error));
      return false;
   }
 
   auto idealBlockLen = track.GetMaxBlockSize() * 4;
   if (idealBlockLen % windowSize != 0)
      idealBlockLen += (windowSize - (idealBlockLen % windowSize));
 
   bool bResult = true;
   decltype(len) s = 0;
   Floats buffer { idealBlockLen };
   Floats datawindow { windowSize };
   while ((len - s) > windowSize / 2)
   {
      auto block = limitSampleBufferSize(idealBlockLen, len - s);
      track.GetFloats(buffer.get(), start + s, block);
      for (decltype(block) i = 0; i + windowSize / 2 < block;
           i += windowSize / 2)
      {
         auto wcopy = std::min(windowSize, block - i);
         for (decltype(wcopy) j = 0; j < wcopy; ++j)
            datawindow[j] = buffer[i + j];
         for (auto j = wcopy; j < windowSize; ++j)
            datawindow[j] = 0;
         mbDidSomething |= RemoveClicks(windowSize, datawindow.get());
         for (decltype(wcopy) j = 0; j < wcopy; ++j)
            buffer[i + j] = datawindow[j];
      }
 
      if (mbDidSomething)
      {
         // RemoveClicks() actually did something.
         if (!track.SetFloats(buffer.get(), start + s, block))
         {
            bResult = false;
            break;
         }
      }
      s += block;
      if (TrackProgress(count, s.as_double() / len.as_double()))
      {
         bResult = false;
         break;
      }
   }
   return bResult;
}

References sampleCount::as_double(), WaveChannel::GetFloats(), WaveChannel::GetMaxBlockSize(), BasicUI::MessageBoxOptions::IconStyle(), limitSampleBufferSize(), mbDidSomething, min(), RemoveClicks(), WaveChannel::SetFloats(), BasicUI::ShowMessageBox(), Effect::TrackProgress(), windowSize, and XO().

Referenced by Process().

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◆ RemoveClicks()

bool ClickRemovalBase::RemoveClicks	(	size_t	len,
		float *	buffer
	)

private

Definition at line 186 of file ClickRemovalBase.cpp.

{
   bool bResult = false; // This effect usually does nothing.
   size_t i;
   size_t j;
   int left = 0;
 
   float msw;
   int ww;
   int s2 = sep / 2;
   Floats ms_seq { len };
   Floats b2 { len };
 
   for (i = 0; i < len; i++)
      b2[i] = buffer[i] * buffer[i];
 
   /* Shortcut for rms - multiple passes through b2, accumulating
    * as we go.
    */
   for (i = 0; i < len; i++)
      ms_seq[i] = b2[i];
 
   for (i = 1; (int)i < sep; i *= 2)
   {
      for (j = 0; j < len - i; j++)
         ms_seq[j] += ms_seq[j + i];
   }
 
   /* Cheat by truncating sep to next-lower power of two... */
   sep = i;
 
   for (i = 0; i < len - sep; i++)
   {
      ms_seq[i] /= sep;
   }
   /* ww runs from about 4 to mClickWidth.  wrc is the reciprocal;
    * chosen so that integer roundoff doesn't clobber us.
    */
   int wrc;
   for (wrc = mClickWidth / 4; wrc >= 1; wrc /= 2)
   {
      ww = mClickWidth / wrc;
 
      for (i = 0; i < len - sep; i++)
      {
         msw = 0;
         for (j = 0; (int)j < ww; j++)
         {
            msw += b2[i + s2 + j];
         }
         msw /= ww;
 
         if (msw >= mThresholdLevel * ms_seq[i] / 10)
         {
            if (left == 0)
            {
               left = i + s2;
            }
         }
         else
         {
            if (left != 0 && ((int)i - left + s2) <= ww * 2)
            {
               float lv = buffer[left];
               float rv = buffer[i + ww + s2];
               for (j = left; j < i + ww + s2; j++)
               {
                  bResult = true;
                  buffer[j] = (rv * (j - left) + lv * (i + ww + s2 - j)) /
                              (float)(i + ww + s2 - left);
                  b2[j] = buffer[j] * buffer[j];
               }
               left = 0;
            }
            else if (left != 0)
            {
               left = 0;
            }
         }
      }
   }
   return bResult;
}

References mClickWidth, mThresholdLevel, and sep.

Referenced by ProcessOne().

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Member Data Documentation

◆ mbDidSomething

bool ClickRemovalBase::mbDidSomething

protected

Definition at line 55 of file ClickRemovalBase.h.

Referenced by Process(), and ProcessOne().

◆ mClickWidth

int ClickRemovalBase::mClickWidth

protected

Definition at line 58 of file ClickRemovalBase.h.

Referenced by CheckWhetherSkipEffect(), and RemoveClicks().

◆ mEnvelope

Envelope* ClickRemovalBase::mEnvelope

protected

Definition at line 53 of file ClickRemovalBase.h.

◆ mThresholdLevel

int ClickRemovalBase::mThresholdLevel

protected

Definition at line 57 of file ClickRemovalBase.h.

Referenced by CheckWhetherSkipEffect(), and RemoveClicks().

◆ sep

int ClickRemovalBase::sep

protected

Definition at line 59 of file ClickRemovalBase.h.

Referenced by ClickRemovalBase(), and RemoveClicks().

◆ Symbol

const ComponentInterfaceSymbol ClickRemovalBase::Symbol { XO("Click Removal") }

static

Definition at line 26 of file ClickRemovalBase.h.

Referenced by GetSymbol().

◆ Threshold

constexpr EffectParameter ClickRemovalBase::Threshold

staticconstexprprotected

Initial value:

{
      &ClickRemovalBase::mThresholdLevel, L"Threshold", 200, 0, 900, 1
   }

Definition at line 63 of file ClickRemovalBase.h.

◆ Width

constexpr EffectParameter ClickRemovalBase::Width

staticconstexprprotected

Initial value:

{
      &ClickRemovalBase::mClickWidth, L"Width", 20, 0, 40, 1
   }

Definition at line 66 of file ClickRemovalBase.h.

◆ windowSize

size_t ClickRemovalBase::windowSize

protected

Definition at line 56 of file ClickRemovalBase.h.

Referenced by ClickRemovalBase(), and ProcessOne().

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ClickRemovalBase()

◆ ~ClickRemovalBase()

Member Function Documentation

◆ CheckWhetherSkipEffect()

◆ FetchParameters()

◆ GetDescription()

◆ GetSymbol()

◆ GetType()

◆ ManualPage()

◆ Parameters()

◆ Process()

◆ ProcessOne()

◆ RemoveClicks()

Member Data Documentation

◆ mbDidSomething

◆ mClickWidth

◆ mEnvelope

◆ mThresholdLevel

◆ sep

◆ Symbol

◆ Threshold

◆ Width

◆ windowSize