An Effect that calls up a LADSPA plug in, i.e. many possible effects from this one class. More...

#include <LadspaEffect.h>

Inheritance diagram for LadspaEffect:

Collaboration diagram for LadspaEffect:

Public Member Functions
	~LadspaEffect () override

	LadspaEffectBase (const wxString &path, int index)

Public Member Functions inherited from LadspaEffectBase
	LadspaEffectBase (const wxString &path, int index)

	~LadspaEffectBase () override

bool	InitializePlugin ()

Public Member Functions inherited from EffectWithSettings< LadspaEffectSettings, PerTrackEffect >
EffectSettings	MakeSettings () const override

bool	CopySettingsContents (const EffectSettings &src, EffectSettings &dst) const override

Public Member Functions inherited from PerTrackEffect
	~PerTrackEffect () override

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

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

Public Member Functions inherited from StatelessEffectUIServices
std::unique_ptr< EffectEditor >	PopulateUI (const EffectPlugin &plugin, ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const override
	Adds controls to a panel that is given as the parent window of `S` More...

virtual std::unique_ptr< EffectEditor >	MakeEditor (ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const =0
	Called only from PopulateUI, to add controls to effect panel. More...

Public Member Functions inherited from BasicEffectUIServices
int	ShowClientInterface (const EffectPlugin &plugin, wxWindow &parent, wxDialog &dialog, EffectEditor *pEditor, bool forceModal) const override

void	ExportPresets (const EffectPlugin &plugin, const EffectSettings &settings) const override

OptionalMessage	ImportPresets (const EffectPlugin &plugin, EffectSettings &settings) const override

void	ShowOptions (const EffectPlugin &plugin) const override

bool	ValidateUI (const EffectPlugin &context, EffectSettings &) const override

bool	CloseUI () const override

Public Member Functions inherited from EffectUIServices
virtual	~EffectUIServices ()

virtual int	ShowHostInterface (EffectBase &plugin, wxWindow &parent, const EffectDialogFactory &factory, std::shared_ptr< EffectInstance > &pInstance, EffectSettingsAccess &access, bool forceModal=false)

virtual int	ShowClientInterface (const EffectPlugin &plugin, wxWindow &parent, wxDialog &dialog, EffectEditor *pEditor, bool forceModal=false) const =0

virtual std::unique_ptr< EffectEditor >	PopulateUI (const EffectPlugin &plugin, ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const =0
	Adds controls to a panel that is given as the parent window of `S` More...

virtual void	ExportPresets (const EffectPlugin &plugin, const EffectSettings &settings) const =0

virtual OptionalMessage	ImportPresets (const EffectPlugin &plugin, EffectSettings &settings) const =0

virtual void	ShowOptions (const EffectPlugin &plugin) const =0

virtual bool	ValidateUI (const EffectPlugin &context, EffectSettings &settings) const =0

virtual bool	CloseUI () const =0

Private Member Functions
int	ShowClientInterface (const EffectPlugin &plugin, wxWindow &parent, wxDialog &dialog, EffectEditor *pEditor, bool forceModal) const override

std::unique_ptr< EffectEditor >	MakeEditor (ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const override
	Called only from PopulateUI, to add controls to effect panel. More...

void	ExportPresets (const EffectPlugin &plugin, const EffectSettings &settings) const override

OptionalMessage	ImportPresets (const EffectPlugin &plugin, EffectSettings &settings) const override

void	ShowOptions (const EffectPlugin &plugin) const override

Additional Inherited Members
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 Types inherited from EffectUIServices
enum	: long { DefaultMessageBoxStyle = wxOK \| wxCENTRE }

Static Public Member Functions inherited from EffectWithSettings< LadspaEffectSettings, PerTrackEffect >
static LadspaEffectSettings &	GetSettings (EffectSettings &settings)
	Assume settings originated from MakeSettings() and copies thereof. More...

static const LadspaEffectSettings &	GetSettings (const EffectSettings &settings)
	Assume settings originated from MakeSettings() and copies thereof. More...

static LadspaEffectSettings *	FetchParameters (PerTrackEffect &, EffectSettings &s)

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 Member Functions inherited from EffectUIServices
static int	DoMessageBox (const EffectPlugin &plugin, const TranslatableString &message, long style=DefaultMessageBoxStyle, const TranslatableString &titleStr={})

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 }

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 inherited from LadspaEffectBase
EffectSettings	MakeSettings () const override

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

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

PluginPath	GetPath () const override

ComponentInterfaceSymbol	GetSymbol () const override

VendorSymbol	GetVendor () const override

wxString	GetVersion () const override

TranslatableString	GetDescription () const override

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

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

bool	InitializeControls (LadspaEffectSettings &settings) const

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

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

bool	HasOptions () const override

bool	Load ()

void	Unload ()

OptionalMessage	LoadParameters (const RegistryPath &group, EffectSettings &settings) const

bool	SaveParameters (const RegistryPath &group, const EffectSettings &settings) const

Protected Member Functions inherited from PerTrackEffect
bool	DoPass1 () const

bool	DoPass2 () const

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

std::shared_ptr< EffectOutputTracks >	MakeOutputTracks ()

void	DestroyOutputTracks () const

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 inherited from LadspaEffectBase
const wxString	mPath

const int	mIndex

wxDynamicLibrary	mLib

const LADSPA_Descriptor *	mData {}

wxString	pluginName

size_t	mBlockSize { 0 }

bool	mInteractive { false }

unsigned	mAudioIns { 0 }

ArrayOf< unsigned long >	mInputPorts

unsigned	mAudioOuts { 0 }

ArrayOf< unsigned long >	mOutputPorts

unsigned	mNumInputControls { 0 }

unsigned	mNumOutputControls { 0 }

int	mLatencyPort { -1 }

Protected Attributes inherited from PerTrackEffect
sampleCount	mSampleCnt {}

Protected Attributes inherited from EffectBase
double	mF0 {}

double	mF1 {}

wxArrayString	mPresetNames

unsigned	mUIFlags { 0 }

Detailed Description

An Effect that calls up a LADSPA plug in, i.e. many possible effects from this one class.

Definition at line 25 of file LadspaEffect.h.

Constructor & Destructor Documentation

◆ ~LadspaEffect()

LadspaEffect::~LadspaEffect ( )

overridedefault

Member Function Documentation

◆ ExportPresets()

void LadspaEffect::ExportPresets	(	const EffectPlugin &	plugin,
		const EffectSettings &	settings
	)		const

overrideprivatevirtual

Reimplemented from BasicEffectUIServices.

Definition at line 55 of file LadspaEffect.cpp.

57{

58}

◆ ImportPresets()

OptionalMessage LadspaEffect::ImportPresets	(	const EffectPlugin &	plugin,
		EffectSettings &	settings
	)		const

overrideprivatevirtual

Returns: nullopt for failure

Reimplemented from BasicEffectUIServices.

Definition at line 60 of file LadspaEffect.cpp.

{
   return { nullptr };
}

◆ LadspaEffectBase()

LadspaEffectBase::LadspaEffectBase	(	const wxString &	path,
		int	index
	)

Definition at line 28 of file LadspaEffectBase.cpp.

   : mPath{ path }
   , mIndex{ index }
{
}

References EffectWithSettings< LadspaEffectSettings, PerTrackEffect >::GetSettings(), LadspaEffectBase::InitializeControls(), LadspaEffectBase::mData, and _LADSPA_Descriptor::PortCount.

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◆ MakeEditor()

std::unique_ptr< EffectEditor > LadspaEffect::MakeEditor	(	ShuttleGui &	S,
		EffectInstance &	instance,
		EffectSettingsAccess &	access,
		const EffectOutputs *	pOutputs
	)		const

overrideprivatevirtual

Called only from PopulateUI, to add controls to effect panel.

Returns: also returned from PopulateUI

Postcondition: result: result != nullptr

Implements StatelessEffectUIServices.

Definition at line 42 of file LadspaEffect.cpp.

{
   auto pValues = static_cast<const LadspaEffectOutputs *>(pOutputs);
   auto result = std::make_unique<LadspaEditor>(*this,
      dynamic_cast<LadspaInstance&>(instance),
      mNumInputControls, mNumOutputControls, access, mProjectRate,
      GetType(), pValues);
   result->PopulateUI(S);
   return result;
}

References LadspaEffectBase::GetType(), LadspaEffectBase::mNumInputControls, LadspaEffectBase::mNumOutputControls, EffectBase::mProjectRate, and S.

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◆ ShowClientInterface()

int LadspaEffect::ShowClientInterface	(	const EffectPlugin &	plugin,
		wxWindow &	parent,
		wxDialog &	dialog,
		EffectEditor *	pEditor,
		bool	forceModal
	)		const

overrideprivatevirtual

Returns: 0 if destructive effect processing should not proceed (and there may be a non-modal dialog still opened); otherwise, modal dialog return code

Reimplemented from BasicEffectUIServices.

Definition at line 25 of file LadspaEffect.cpp.

{
   dialog.Layout();
   dialog.Fit();
   dialog.SetMinSize(dialog.GetSize());
 
   if ((SupportsRealtime() || GetType() == EffectTypeAnalyze) && !forceModal)
   {
      dialog.Show();
      return 0;
   }
 
   return dialog.ShowModal();
}

References EffectTypeAnalyze, LadspaEffectBase::GetType(), and EffectDefinitionInterface::SupportsRealtime().

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◆ ShowOptions()

void LadspaEffect::ShowOptions ( const EffectPlugin & plugin ) const

overrideprivatevirtual

Reimplemented from BasicEffectUIServices.

Definition at line 66 of file LadspaEffect.cpp.

{
   LadspaEffectOptionsDialog{ *this }.ShowModal();
}

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

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~LadspaEffect()

Member Function Documentation

◆ ExportPresets()

◆ ImportPresets()

◆ LadspaEffectBase()

◆ MakeEditor()

◆ ShowClientInterface()

◆ ShowOptions()