#include <VampEffect.h>

Inheritance diagram for VampEffect:

Collaboration diagram for VampEffect:

Public Member Functions
	VampEffect (std::unique_ptr< Vamp::Plugin > &&plugin, const PluginPath &path, int output, bool hasParameters)

virtual	~VampEffect ()

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...

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...

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

bool	Init () override

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

std::unique_ptr< EffectEditor >	PopulateOrExchange (ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) override
	Add controls to effect panel; always succeeds. More...

bool	TransferDataToWindow (const EffectSettings &settings) override

bool	TransferDataFromWindow (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)

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

Public Member Functions inherited from StatefulEffectUIServices
	~StatefulEffectUIServices () override

std::unique_ptr< EffectEditor >	PopulateUI (const EffectPlugin &plugin, ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const override
	Allows PopulateOrExchange to return null. More...

virtual std::unique_ptr< EffectEditor >	PopulateOrExchange (ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs)
	Add controls to effect panel; always succeeds. More...

virtual bool	TransferDataToWindow (const EffectSettings &settings)

virtual bool	TransferDataFromWindow (EffectSettings &settings)

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
void	AddFeatures (LabelTrack *track, Vamp::Plugin::FeatureSet &features)

void	UpdateFromPlugin ()

void	OnCheckBox (wxCommandEvent &evt)

void	OnChoice (wxCommandEvent &evt)

void	OnSlider (wxCommandEvent &evt)

void	OnTextCtrl (wxCommandEvent &evt)

Private Attributes
wxWeakRef< wxWindow >	mUIParent {}

std::unique_ptr< Vamp::Plugin >	mPlugin

PluginPath	mPath

int	mOutput

bool	mHasParameters

Vamp::HostExt::PluginLoader::PluginKey	mKey

wxString	mName

double	mRate

bool	mInSlider

bool	mInText

Vamp::Plugin::ParameterList	mParameters

Floats	mValues

ArrayOf< wxSlider * >	mSliders

ArrayOf< wxTextCtrl * >	mFields

ArrayOf< wxStaticText * >	mLabels

ArrayOf< wxCheckBox * >	mToggles

ArrayOf< wxChoice * >	mChoices

wxChoice *	mProgram

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

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 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 EffectBase
wxArrayString	mPresetNames

unsigned	mUIFlags { 0 }

Detailed Description

Definition at line 38 of file VampEffect.h.

Constructor & Destructor Documentation

◆ VampEffect()

VampEffect::VampEffect	(	std::unique_ptr< Vamp::Plugin > &&	plugin,
		const PluginPath &	path,
		int	output,
		bool	hasParameters
	)

Definition at line 63 of file VampEffect.cpp.

:  mPlugin(std::move(plugin)),
   mPath(path),
   mOutput(output),
   mHasParameters(hasParameters),
   mRate(0)
{
   mKey = mPath.BeforeFirst(wxT('/')).ToUTF8();
   mName = mPath.AfterFirst(wxT('/'));
}

References wxT().

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◆ ~VampEffect()

VampEffect::~VampEffect ( )

virtual

Definition at line 77 of file VampEffect.cpp.

78{

79}

Member Function Documentation

◆ AddFeatures()

void VampEffect::AddFeatures	(	LabelTrack *	track,
		Vamp::Plugin::FeatureSet &	features
	)

private

Definition at line 689 of file VampEffect.cpp.

{
   for (Vamp::Plugin::FeatureList::iterator fli = features[mOutput].begin();
        fli != features[mOutput].end(); ++fli)
   {
      Vamp::RealTime ftime0 = fli->timestamp;
      double ltime0 = ftime0.sec + (double(ftime0.nsec) / 1000000000.0);
 
      Vamp::RealTime ftime1 = ftime0;
      if (fli->hasDuration) ftime1 = ftime0 + fli->duration;
      double ltime1 = ftime1.sec + (double(ftime1.nsec) / 1000000000.0);
 
      wxString label = LAT1CTOWX(fli->label.c_str());
      if (label == wxString())
      {
         if (fli->values.empty())
         {
            label = wxString::Format(LAT1CTOWX("%.3f"), ltime0);
         }
         else
         {
            label = wxString::Format(LAT1CTOWX("%.3f"), *fli->values.begin());
         }
      }
 
      ltrack->AddLabel(SelectedRegion(ltime0, ltime1), label);
   }
}

References LabelTrack::AddLabel(), PackedArray::begin(), label, LAT1CTOWX, and mOutput.

Referenced by Process().

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◆ GetAudioInCount()

unsigned VampEffect::GetAudioInCount ( ) const

overridevirtual

How many input buffers to allocate at once.

If the instance processes channels independently, this can return 1 The result is not necessarily well defined before RealtimeInitialize Default implementation returns 0

Reimplemented from StatefulEffectBase.

Definition at line 135 of file VampEffect.cpp.

{
   return mPlugin->getMaxChannelCount();
}

References mPlugin.

◆ GetDescription()

TranslatableString VampEffect::GetDescription ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 105 of file VampEffect.cpp.

{
   return Verbatim(
      wxString::FromUTF8(mPlugin->getCopyright().c_str()) );
}

References mPlugin, and Verbatim().

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◆ GetFamily()

EffectFamilySymbol VampEffect::GetFamily ( ) const

overridevirtual

Report identifier and user-visible name of the effect protocol.

Implements EffectDefinitionInterface.

Definition at line 120 of file VampEffect.cpp.

{
   return VAMPEFFECTS_FAMILY;
}

References VAMPEFFECTS_FAMILY.

◆ GetPath()

PluginPath VampEffect::GetPath ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 85 of file VampEffect.cpp.

{
   return mPath;
}

References mPath.

◆ GetSymbol()

ComponentInterfaceSymbol VampEffect::GetSymbol ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 90 of file VampEffect.cpp.

{
   return mName;
}

References mName.

Referenced by Process().

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◆ GetType()

EffectType VampEffect::GetType ( ) const

overridevirtual

Type determines how it behaves.

Implements EffectDefinitionInterface.

Definition at line 115 of file VampEffect.cpp.

{
   return EffectTypeAnalyze;
}

References EffectTypeAnalyze.

◆ GetVendor()

VendorSymbol VampEffect::GetVendor ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 95 of file VampEffect.cpp.

{
   return { wxString::FromUTF8(mPlugin->getMaker().c_str()) };
}

References mPlugin.

◆ GetVersion()

wxString VampEffect::GetVersion ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 100 of file VampEffect.cpp.

{
   return wxString::Format(wxT("%d"), mPlugin->getPluginVersion());
}

References mPlugin, and wxT().

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◆ Init()

bool VampEffect::Init ( )

overridevirtual

Default implementation does nothing, returns true

Reimplemented from StatefulEffectBase.

Definition at line 293 of file VampEffect.cpp.

{
   mRate = 0.0;
 
   // PRL: There is no check that all tracks have one rate, and only the first
   // is remembered in mRate.  Is that correct?
 
   if (inputTracks()->empty())
      mRate = mProjectRate;
   else
      mRate = (*inputTracks()->Any<const WaveTrack>().begin())->GetRate();
 
   // The plugin must be reloaded to allow changing parameters
 
   Vamp::HostExt::PluginLoader *loader = Vamp::HostExt::PluginLoader::getInstance();
   mPlugin.reset(loader->loadPlugin(mKey, mRate, Vamp::HostExt::PluginLoader::ADAPT_ALL));
   if (!mPlugin)
   {
      EffectUIServices::DoMessageBox(*this,
         XO("Sorry, failed to load Vamp Plug-in."));
      return false;
   }
 
   return true;
}

References TrackList::Any(), PackedArray::begin(), EffectUIServices::DoMessageBox(), anonymous_namespace{TimeTrack.cpp}::GetRate(), EffectBase::inputTracks(), mKey, mPlugin, EffectBase::mProjectRate, mRate, and XO().

Referenced by Process().

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◆ IsDefault()

bool VampEffect::IsDefault ( ) const

overridevirtual

Whether the effect sorts "above the line" in the menus.

Implements EffectDefinitionInterface.

Definition at line 130 of file VampEffect.cpp.

{
   return false;
}

◆ IsInteractive()

bool VampEffect::IsInteractive ( ) const

overridevirtual

Whether the effect needs a dialog for entry of settings.

Implements EffectDefinitionInterface.

Definition at line 125 of file VampEffect.cpp.

{
   return mHasParameters;
}

References mHasParameters.

◆ LoadSettings()

bool VampEffect::LoadSettings	(	const CommandParameters &	parms,
		EffectSettings &	settings
	)		const

overridevirtual

Restore settings from keys and values.

Returns: true on success

Implements EffectSettingsManager.

Definition at line 187 of file VampEffect.cpp.

{
   // First pass verifies values
   for (size_t p = 0, paramCount = mParameters.size(); p < paramCount; p++)
   {
      wxString key = wxString::FromUTF8(mParameters[p].identifier.c_str());
      float lower = mParameters[p].minValue;
      float upper = mParameters[p].maxValue;
      bool good = false;
 
      if (mParameters[p].isQuantized &&
          mParameters[p].quantizeStep == 1.0 &&
          lower == 0.0 &&
          upper == 1.0)
      {
         bool val;
 
         good = parms.Read(key, &val);
      }
      else if (mParameters[p].isQuantized &&
               mParameters[p].quantizeStep == 1.0 &&
               !mParameters[p].valueNames.empty())
      {
         std::vector<EnumValueSymbol> choices;
         int val;
 
         for (size_t i = 0, choiceCount = mParameters[p].valueNames.size(); i < choiceCount; i++)
         {
            wxString choice = wxString::FromUTF8(mParameters[p].valueNames[i].c_str());
            choices.push_back(choice);
         }
 
         good = parms.ReadEnum(key, &val, choices.data(), choices.size()) && val != wxNOT_FOUND;
      }
      else
      {
         double val;
 
         good = parms.Read(key, &val) && val >= lower && val <= upper;
      }
 
      if (!good)
      {
         return false;
      }
   }
 
   // Second pass sets the variables
   for (size_t p = 0, paramCount = mParameters.size(); p < paramCount; p++)
   {
      wxString key = wxString::FromUTF8(mParameters[p].identifier.c_str());
      float lower = mParameters[p].minValue;
      float upper = mParameters[p].maxValue;
 
      if (mParameters[p].isQuantized &&
          mParameters[p].quantizeStep == 1.0 &&
          lower == 0.0 &&
          upper == 1.0)
      {
         bool val;
 
         parms.Read(key, &val);
 
         mPlugin->setParameter(mParameters[p].identifier, val ? upper : lower);
      }
      else if (mParameters[p].isQuantized &&
               mParameters[p].quantizeStep == 1.0 &&
               !mParameters[p].valueNames.empty())
      {
         std::vector<EnumValueSymbol> choices;
         int val = 0;
 
         for (size_t i = 0, choiceCount = mParameters[p].valueNames.size(); i < choiceCount; i++)
         {
            wxString choice = wxString::FromUTF8(mParameters[p].valueNames[i].c_str());
            choices.push_back(choice);
         }
 
         parms.ReadEnum(key, &val, choices.data(), choices.size());
 
         mPlugin->setParameter(mParameters[p].identifier, (float) val);
      }
      else
      {
         double val;
 
         parms.Read(key, &val);
 
         if (mParameters[p].isQuantized)
         {
            float qs = mParameters[p].quantizeStep;
 
            if (qs != 0.0)
            {
               val = (int)((val - lower) / qs + 0.5) * qs + lower;
            }
         }
 
         mPlugin->setParameter(mParameters[p].identifier, val);
      }
   }
 
   return true;
}

References key, mParameters, mPlugin, and CommandParameters::ReadEnum().

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◆ OnCheckBox()

void VampEffect::OnCheckBox ( wxCommandEvent & evt )

private

Definition at line 762 of file VampEffect.cpp.

{
   int p = event.GetId() - ID_Toggles;
 
   mPlugin->setParameter(mParameters[p].identifier, mToggles[p]->GetValue());
}

References ID_Toggles, mParameters, mPlugin, and mToggles.

◆ OnChoice()

void VampEffect::OnChoice ( wxCommandEvent & evt )

private

Definition at line 769 of file VampEffect.cpp.

{
   int p = evt.GetId();
 
   // special value for programs
   if (p == ID_Program)
   {
      Vamp::Plugin::ProgramList programs = mPlugin->getPrograms();
      mPlugin->selectProgram(programs[evt.GetInt()]);
      UpdateFromPlugin();
      return;
   }
 
   mPlugin->setParameter(mParameters[p - ID_Choices].identifier, evt.GetInt());
}

References ID_Choices, ID_Program, mParameters, mPlugin, and UpdateFromPlugin().

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◆ OnSlider()

void VampEffect::OnSlider ( wxCommandEvent & evt )

private

Definition at line 785 of file VampEffect.cpp.

{
   int p = evt.GetId() - ID_Sliders;
 
   float lower = mParameters[p].minValue;
   float upper = mParameters[p].maxValue;
   float range = upper - lower;
   float val = (evt.GetInt() / 1000.0) * range;
 
   if (mParameters[p].isQuantized)
   {
      float qs = mParameters[p].quantizeStep;
 
      if (qs != 0.0)
      {
         val = (int)(val / qs + 0.5) * qs;
      }
   }
 
   val += lower;
 
   mValues[p] = val;
   mFields[p]->GetValidator()->TransferToWindow();
 
   mPlugin->setParameter(mParameters[p].identifier, val);
}

References ID_Sliders, mFields, mParameters, mPlugin, and mValues.

◆ OnTextCtrl()

void VampEffect::OnTextCtrl ( wxCommandEvent & evt )

private

Definition at line 812 of file VampEffect.cpp.

{
   int p = evt.GetId() - ID_Texts;
 
   mFields[p]->GetValidator()->TransferFromWindow();
 
   float lower = mParameters[p].minValue;
   float upper = mParameters[p].maxValue;
   float range = upper - lower;
   float val = mValues[p];
 
   if (mParameters[p].isQuantized)
   {
      float qs = mParameters[p].quantizeStep;
 
      if (qs != 0.0)
      {
         val = (int)((val - lower) / qs + 0.5) * qs + lower;
      }
   }
 
   mPlugin->setParameter(mParameters[p].identifier, val);
 
   mSliders[p]->SetValue((int)(((val - lower) / range) * 1000.0 + 0.5));
}

References ID_Texts, mFields, mParameters, mPlugin, mSliders, and mValues.

◆ PopulateOrExchange()

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

overridevirtual

Add controls to effect panel; always succeeds.

Returns: if not null, then return it from PopulateUI instead of a DefaultEffectEditor; default implementation returns null

Reimplemented from StatefulEffectUIServices.

Definition at line 501 of file VampEffect.cpp.

{
   mUIParent = S.GetParent();
   Vamp::Plugin::ProgramList programs = mPlugin->getPrograms();
 
   mParameters = mPlugin->getParameterDescriptors();
 
   auto count = mParameters.size();
 
   mToggles.reinit( count );
   mSliders.reinit( count );
   mFields.reinit( count );
   mLabels.reinit( count );
   mChoices.reinit( count );
   mValues.reinit( count );
 
   wxScrolledWindow *scroller = S.Style(wxVSCROLL | wxTAB_TRAVERSAL)
      .StartScroller(2);
   {
      S.StartStatic(XO("Plugin Settings"));
      {
         S.StartMultiColumn(5, wxEXPAND);
         {
            S.SetStretchyCol(3);
 
            if (!programs.empty())
            {
               S.AddPrompt(XXO("Program"));
 
               S.Id(ID_Program);
               mProgram = S.Name(XO("Program"))
                  .MinSize( { -1, -1 } )
                  .Position(wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL)
                  .AddChoice( {},
                     [&]{
                        TranslatableStrings choices;
                        for (const auto &program : programs)
                           choices.push_back(
                              Verbatim(wxString::FromUTF8(program.c_str())));
                        return choices;
                     }(),
                     Verbatim( wxString::FromUTF8(mPlugin->getCurrentProgram().c_str()) )
                  );
 
               S.AddSpace(1, 1);
               S.AddSpace(1, 1);
               S.AddSpace(1, 1);
            }
 
            for (size_t p = 0; p < count; p++)
            {
               wxString tip = wxString::FromUTF8(mParameters[p].description.c_str());
               wxString unit = wxString::FromUTF8(mParameters[p].unit.c_str());
 
               float value = mPlugin->getParameter(mParameters[p].identifier);
 
               mToggles[p] = NULL;
               mChoices[p] = NULL;
               mSliders[p] = NULL;
               mFields[p] = NULL;
               mValues[p] = 0.0;
 
               wxString labelText = wxString::FromUTF8(mParameters[p].name.c_str());
               if (!unit.empty())
               {
                  labelText += wxT(" (") + unit + wxT(")");
               }
               /* i18n-hint: An item name introducing a value, which is not part of the string but
               appears in a following text box window; translate with appropriate punctuation */
               S.AddPrompt(XXO("%s:").Format( labelText ));
 
               if (mParameters[p].isQuantized &&
                   mParameters[p].quantizeStep == 1.0 &&
                   mParameters[p].minValue == 0.0 &&
                   mParameters[p].maxValue == 1.0)
               {
                  S.Id(ID_Toggles + p);
                  mToggles[p] = S.ToolTip( Verbatim( tip ) )
                     .Name( Verbatim( labelText ) )
                     .Position(wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL)
                     .AddCheckBox( {},
                                  value > 0.5 );
 
                  S.AddSpace(1, 1);
                  S.AddSpace(1, 1);
                  S.AddSpace(1, 1);
 
               }
               else if (mParameters[p].isQuantized &&
                        mParameters[p].quantizeStep == 1.0 &&
                        !mParameters[p].valueNames.empty())
               {
                  TranslatableStrings choices;
                  int selected = -1;
 
                  for (size_t i = 0, cnt = mParameters[p].valueNames.size(); i < cnt; i++)
                  {
                     wxString choice = wxString::FromUTF8(mParameters[p].valueNames[i].c_str());
                     if (size_t(value - mParameters[p].minValue + 0.5) == i)
                     {
                        selected = i;
                     }
                     choices.push_back( Verbatim( choice ) );
                  }
 
                  S.Id(ID_Choices + p);
                  mChoices[p] = S.ToolTip( Verbatim( tip ) )
                     .Name( Verbatim( labelText ) )
                     .Position(wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL)
                     .MinSize( { -1, -1 } )
                     .AddChoice( {}, choices, selected );
 
                  S.AddSpace(1, 1);
                  S.AddSpace(1, 1);
                  S.AddSpace(1, 1);
               }
               else
               {
                  mValues[p] = value;
 
                  float range = mParameters[p].maxValue - mParameters[p].minValue;
 
                  S.Id(ID_Texts + p);
                  mFields[p] = S.ToolTip( Verbatim( tip ) )
                     .Name( Verbatim( labelText ) )
                     .Position(wxALIGN_CENTER_VERTICAL | wxALL)
                     .Validator<FloatingPointValidator<float>>(
                        6, &mValues[p],
                        (range < 10
                           ? NumValidatorStyle::THREE_TRAILING_ZEROES
                           : range < 100
                              ? NumValidatorStyle::TWO_TRAILING_ZEROES
                              : NumValidatorStyle::ONE_TRAILING_ZERO),
                        mParameters[p].minValue, mParameters[p].maxValue)
                     .AddTextBox( {}, wxT(""), 12);
 
                  wxString str = Internat::ToDisplayString(mParameters[p].minValue);
                  S.AddPrompt( Verbatim( str ) );
 
                  S.Id(ID_Sliders + p);
                  mSliders[p] = S.ToolTip( Verbatim( tip ) )
                     .Name( Verbatim( labelText ) )
                     .Style(wxSL_HORIZONTAL)
                     .MinSize( { 150, -1 } )
                     .AddSlider( {}, 0, 1000, 0);
 
                  str = Internat::ToDisplayString(mParameters[p].maxValue);
                  S.AddUnits( Verbatim( str ) );
               }
            }
         }
         S.EndMultiColumn();
      }
      S.EndStatic();
   }
   S.EndScroller();
 
   scroller->SetScrollRate(0, 20);
 
   return nullptr;
}

References ID_Choices, ID_Program, ID_Sliders, ID_Texts, ID_Toggles, mChoices, mFields, mLabels, mParameters, mPlugin, mProgram, mSliders, mToggles, mUIParent, mValues, name, ArrayOf< X >::reinit(), S, str, Internat::ToDisplayString(), Verbatim(), wxT(), XO(), and XXO().

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◆ Process()

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

overridevirtual

!! todo: retain parameters previously set

Implements StatefulEffectBase.

Definition at line 319 of file VampEffect.cpp.

{
   if (!mPlugin)
   {
      return false;
   }
 
   int count = 0;
 
   bool multiple = false;
   unsigned prevTrackChannels = 0;
 
   if (GetNumWaveGroups() > 1)
   {
      // if there is another track beyond this one and any linked one,
      // then we're processing more than one track.  That means we
      // should use the originating track name in each NEW label
      // track's name, to make clear which is which
      multiple = true;
   }
 
   std::vector<std::shared_ptr<AddedAnalysisTrack>> addedTracks;
 
   for (auto leader : inputTracks()->Any<const WaveTrack>())
   {
      auto channelGroup = leader->Channels();
      auto left = *channelGroup.first++;
 
      unsigned channels = 1;
 
      // channelGroup now contains all but the first channel
      const auto right =
         channelGroup.size() ? *channelGroup.first++ : nullptr;
      if (right)
         channels = 2;
 
      sampleCount start = 0;
      sampleCount len = 0;
      GetBounds(*leader, &start, &len);
 
      // TODO: more-than-two-channels
 
      size_t step = mPlugin->getPreferredStepSize();
      size_t block = mPlugin->getPreferredBlockSize();
 
      bool initialiseRequired = true;
 
      if (block == 0)
      {
         if (step != 0)
         {
            block = step;
         }
         else
         {
            block = 1024;
         }
      }
 
      if (step == 0)
      {
         step = block;
      }
 
      if (prevTrackChannels > 0)
      {
         // Plugin has already been initialised, so if the number of
         // channels remains the same, we only need to do a reset.
         // Otherwise we need to re-construct the whole plugin,
         // because a Vamp plugin can't be re-initialised.
         if (prevTrackChannels == channels)
         {
            mPlugin->reset();
            initialiseRequired = false;
         }
         else
         {
            Init();
         }
      }
 
      if (initialiseRequired)
      {
         if (!mPlugin->initialise(channels, step, block))
         {
            EffectUIServices::DoMessageBox(*this,
               XO("Sorry, Vamp Plug-in failed to initialize."));
            return false;
         }
      }
 
      const auto effectName = GetSymbol().Translation();
      addedTracks.push_back(AddAnalysisTrack(*this,
         multiple
         ? wxString::Format( _("%s: %s"), leader->GetName(), effectName )
         : effectName
      ));
      LabelTrack *ltrack = addedTracks.back()->get();
 
      FloatBuffers data{ channels, block };
 
      auto originalLen = len;
 
      auto pos = start;
 
      while (len != 0)
      {
         const auto request = limitSampleBufferSize( block, len );
 
         if (left)
            left->GetFloats(data[0].get(), pos, request);
 
         if (right)
            right->GetFloats(data[1].get(), pos, request);
 
         if (request < block)
         {
            for (unsigned int c = 0; c < channels; ++c)
            {
               for (decltype(block) i = request; i < block; ++i)
               {
                  data[c][i] = 0.f;
               }
            }
         }
 
         // UNSAFE_SAMPLE_COUNT_TRUNCATION
         // Truncation in case of very long tracks!
         Vamp::RealTime timestamp = Vamp::RealTime::frame2RealTime(
            long( pos.as_long_long() ),
            (int)(mRate + 0.5)
         );
 
         Vamp::Plugin::FeatureSet features = mPlugin->process(
            reinterpret_cast< float** >( data.get() ), timestamp);
         AddFeatures(ltrack, features);
 
         if (len > (int)step)
         {
            len -= step;
         }
         else
         {
            len = 0;
         }
 
         pos += step;
 
         if (channels > 1)
         {
            if (TrackGroupProgress(count,
                  (pos - start).as_double() /
                  originalLen.as_double() ))
            {
               return false;
            }
         }
         else
         {
            if (TrackProgress(count,
                  (pos - start).as_double() /
                  originalLen.as_double() ))
            {
               return false;
            }
         }
      }
 
      Vamp::Plugin::FeatureSet features = mPlugin->getRemainingFeatures();
      AddFeatures(ltrack, features);
 
      prevTrackChannels = channels;
   }
 
   // All completed without cancellation, so commit the addition of tracks now
   for (auto &addedTrack : addedTracks)
      addedTrack->Commit();
 
   return true;
}

References _, AddAnalysisTrack(), AddFeatures(), EffectUIServices::DoMessageBox(), Effect::GetBounds(), Effect::GetNumWaveGroups(), GetSymbol(), Init(), EffectBase::inputTracks(), limitSampleBufferSize(), mPlugin, mRate, Effect::TrackGroupProgress(), Effect::TrackProgress(), ComponentInterfaceSymbol::Translation(), and XO().

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◆ SaveSettings()

bool VampEffect::SaveSettings	(	const EffectSettings &	settings,
		CommandParameters &	parms
	)		const

overridevirtual

Store settings as keys and values.

The override may assume parms is initially empty

Returns: true on success

Implements EffectSettingsManager.

Definition at line 140 of file VampEffect.cpp.

{
   for (size_t p = 0, paramCount = mParameters.size(); p < paramCount; p++)
   {
      wxString key = wxString::FromUTF8(mParameters[p].identifier.c_str());
      float value = mPlugin->getParameter(mParameters[p].identifier);
      float lower = mParameters[p].minValue;
      float upper = mParameters[p].maxValue;
 
      if (mParameters[p].isQuantized &&
          mParameters[p].quantizeStep == 1.0 &&
          lower == 0.0 &&
          upper == 1.0)
      {
         bool val = value > 0.5;
 
         parms.Write(key, val);
      }
      else if (mParameters[p].isQuantized &&
               mParameters[p].quantizeStep == 1.0 &&
               !mParameters[p].valueNames.empty())
      {
         std::vector<EnumValueSymbol> choices;
         int val = 0;
 
         for (size_t i = 0, choiceCount = mParameters[p].valueNames.size(); i < choiceCount; i++)
         {
            wxString choice = wxString::FromUTF8(mParameters[p].valueNames[i].c_str());
            if (size_t(value - mParameters[p].minValue + 0.5) == i)
            {
               val = i;
            }
            choices.push_back(choice);
         }
 
         parms.WriteEnum(key, val, choices.data(), choices.size());
      }
      else
      {
         parms.Write(key, value);
      }
   }
 
   return true;
}

References key, mParameters, mPlugin, and CommandParameters::WriteEnum().

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◆ TransferDataFromWindow()

bool VampEffect::TransferDataFromWindow ( EffectSettings & settings )

overridevirtual

Update the given settings from controls; default does nothing, returns true

Reimplemented from StatefulEffectUIServices.

Definition at line 677 of file VampEffect.cpp.

{
   if (!mUIParent->Validate() || !mUIParent->TransferDataFromWindow())
   {
      return false;
   }
 
   return true;
}

References mUIParent.

◆ TransferDataToWindow()

bool VampEffect::TransferDataToWindow ( const EffectSettings & settings )

overridevirtual

Update controls for the settings; default does nothing, returns true

Reimplemented from StatefulEffectUIServices.

Definition at line 665 of file VampEffect.cpp.

{
   if (!mUIParent->TransferDataToWindow())
   {
      return false;
   }
 
   UpdateFromPlugin();
 
   return true;
}

References mUIParent, and UpdateFromPlugin().

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◆ UpdateFromPlugin()

void VampEffect::UpdateFromPlugin ( )

private

Definition at line 719 of file VampEffect.cpp.

{
   for (size_t p = 0, cnt = mParameters.size(); p < cnt; p++)
   {
      float value = mPlugin->getParameter(mParameters[p].identifier);
 
      if (mParameters[p].isQuantized &&
          mParameters[p].quantizeStep == 1.0 &&
          mParameters[p].minValue == 0.0 &&
          mParameters[p].maxValue == 1.0)
      {
         mToggles[p]->SetValue(value > 0.5);
      }
      else if (mParameters[p].isQuantized &&
               mParameters[p].quantizeStep == 1.0 &&
               !mParameters[p].valueNames.empty())
      {
         mChoices[p]->SetSelection(size_t(value - mParameters[p].minValue + 0.5));
      }
      else
      {
         mValues[p] = value;
         mFields[p]->GetValidator()->TransferToWindow();
 
         float lower = mParameters[p].minValue;
         float upper = mParameters[p].maxValue;
         float range = upper - lower;
 
         if (mParameters[p].isQuantized)
         {
            float qs = mParameters[p].quantizeStep;
 
            if (qs != 0.0)
            {
               value = (int)((value - lower) / qs + 0.5) * qs + lower;
            }
         }
 
         mSliders[p]->SetValue((int)(((value - lower) / range) * 1000.0 + 0.5));
      }
   }
}

References mChoices, mFields, mParameters, mPlugin, mSliders, mToggles, and mValues.

Referenced by OnChoice(), and TransferDataToWindow().

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Member Data Documentation

◆ mChoices

ArrayOf<wxChoice *> VampEffect::mChoices

private

Definition at line 114 of file VampEffect.h.

Referenced by PopulateOrExchange(), and UpdateFromPlugin().

◆ mFields

ArrayOf<wxTextCtrl *> VampEffect::mFields

private

Definition at line 111 of file VampEffect.h.

Referenced by OnSlider(), OnTextCtrl(), PopulateOrExchange(), and UpdateFromPlugin().

◆ mHasParameters

bool VampEffect::mHasParameters

private

Definition at line 97 of file VampEffect.h.

Referenced by IsInteractive().

◆ mInSlider

bool VampEffect::mInSlider

private

Definition at line 103 of file VampEffect.h.

◆ mInText

bool VampEffect::mInText

private

Definition at line 104 of file VampEffect.h.

◆ mKey

Vamp::HostExt::PluginLoader::PluginKey VampEffect::mKey

private

Definition at line 99 of file VampEffect.h.

Referenced by Init().

◆ mLabels

ArrayOf<wxStaticText *> VampEffect::mLabels

private

Definition at line 112 of file VampEffect.h.

Referenced by PopulateOrExchange().

◆ mName

wxString VampEffect::mName

private

Definition at line 100 of file VampEffect.h.

Referenced by GetSymbol().

◆ mOutput

int VampEffect::mOutput

private

Definition at line 96 of file VampEffect.h.

Referenced by AddFeatures().

◆ mParameters

Vamp::Plugin::ParameterList VampEffect::mParameters

private

Definition at line 106 of file VampEffect.h.

Referenced by LoadSettings(), OnCheckBox(), OnChoice(), OnSlider(), OnTextCtrl(), PopulateOrExchange(), SaveSettings(), and UpdateFromPlugin().

◆ mPath

PluginPath VampEffect::mPath

private

Definition at line 95 of file VampEffect.h.

Referenced by GetPath().

◆ mPlugin

std::unique_ptr<Vamp::Plugin> VampEffect::mPlugin

private

Definition at line 94 of file VampEffect.h.

Referenced by GetAudioInCount(), GetDescription(), GetVendor(), GetVersion(), Init(), LoadSettings(), OnCheckBox(), OnChoice(), OnSlider(), OnTextCtrl(), PopulateOrExchange(), Process(), SaveSettings(), and UpdateFromPlugin().

◆ mProgram

wxChoice* VampEffect::mProgram

private

Definition at line 115 of file VampEffect.h.

Referenced by PopulateOrExchange().

◆ mRate

double VampEffect::mRate

private

Definition at line 101 of file VampEffect.h.

Referenced by Init(), and Process().

◆ mSliders

ArrayOf<wxSlider *> VampEffect::mSliders

private

Definition at line 110 of file VampEffect.h.

Referenced by OnTextCtrl(), PopulateOrExchange(), and UpdateFromPlugin().

◆ mToggles

ArrayOf<wxCheckBox *> VampEffect::mToggles

private

Definition at line 113 of file VampEffect.h.

Referenced by OnCheckBox(), PopulateOrExchange(), and UpdateFromPlugin().

◆ mUIParent

wxWeakRef<wxWindow> VampEffect::mUIParent {}

private

Definition at line 92 of file VampEffect.h.

Referenced by PopulateOrExchange(), TransferDataFromWindow(), and TransferDataToWindow().

◆ mValues

Floats VampEffect::mValues

private

Definition at line 108 of file VampEffect.h.

Referenced by OnSlider(), OnTextCtrl(), PopulateOrExchange(), and UpdateFromPlugin().

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

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ VampEffect()

◆ ~VampEffect()

Member Function Documentation

◆ AddFeatures()

◆ GetAudioInCount()

◆ GetDescription()

◆ GetFamily()

◆ GetPath()

◆ GetSymbol()

◆ GetType()

◆ GetVendor()

◆ GetVersion()

◆ Init()

◆ IsDefault()

◆ IsInteractive()

◆ LoadSettings()

◆ OnCheckBox()

◆ OnChoice()

◆ OnSlider()

◆ OnTextCtrl()

◆ PopulateOrExchange()

◆ Process()

◆ SaveSettings()

◆ TransferDataFromWindow()

◆ TransferDataToWindow()

◆ UpdateFromPlugin()

Member Data Documentation

◆ mChoices

◆ mFields

◆ mHasParameters

◆ mInSlider

◆ mInText

◆ mKey

◆ mLabels

◆ mName

◆ mOutput

◆ mParameters

◆ mPath

◆ mPlugin

◆ mProgram

◆ mRate

◆ mSliders

◆ mToggles

◆ mUIParent

◆ mValues