An Effect that affects both pitch & speed. More...

#include <ChangeSpeed.h>

Inheritance diagram for EffectChangeSpeed:

Collaboration diagram for EffectChangeSpeed:

Public Member Functions
	EffectChangeSpeed ()

virtual	~EffectChangeSpeed ()

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...

OptionalMessage	LoadFactoryDefaults (EffectSettings &settings) const override

OptionalMessage	DoLoadFactoryDefaults (EffectSettings &settings)

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

double	CalcPreviewInputLength (const EffectSettings &settings, double previewLength) const override

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

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

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 NumericFormatSymbol	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

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

Static Public Attributes
static const ComponentInterfaceSymbol	Symbol { XO("Change Speed and Pitch") }

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>")

Private Types
using	Gap = std::pair< double, double >

using	Gaps = std::vector< Gap >

Private Member Functions
Gaps	FindGaps (const WaveTrack &track, const double curT0, const double curT1)

bool	ProcessOne (const WaveChannel &track, WaveChannel &outputTrack, sampleCount start, sampleCount end)

bool	ProcessLabelTrack (LabelTrack *t)

void	OnText_PercentChange (wxCommandEvent &evt)

void	OnText_Multiplier (wxCommandEvent &evt)

void	OnSlider_PercentChange (wxCommandEvent &evt)

void	OnChoice_Vinyl (wxCommandEvent &evt)

void	OnTimeCtrl_ToLength (wxCommandEvent &evt)

void	OnTimeCtrlUpdate (wxCommandEvent &evt)

void	Update_Text_PercentChange ()

void	Update_Text_Multiplier ()

void	Update_Slider_PercentChange ()

void	Update_Vinyl ()

void	Update_TimeCtrl_ToLength ()

void	UpdateUI ()

const EffectParameterMethods &	Parameters () const override

Private Attributes
wxWeakRef< wxWindow >	mUIParent {}

int	mCurTrackNum

double	mCurT0

double	mCurT1

double	m_PercentChange

int	mFromVinyl

double	mFactor

double	mFromLength

int	mTimeCtrlFormat

double	mMultiplier

bool	mbLoopDetect

wxTextCtrl *	mpTextCtrl_PercentChange

wxTextCtrl *	mpTextCtrl_Multiplier

wxSlider *	mpSlider_PercentChange

wxChoice *	mpChoice_FromVinyl

wxChoice *	mpChoice_ToVinyl

NumericTextCtrl *	mpFromLengthCtrl

NumericTextCtrl *	mpToLengthCtrl

double	mRate

int	mToVinyl

double	mToLength

NumericFormatSymbol	mFormat

Static Private Attributes
static constexpr EffectParameter	Percentage

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 }

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 }

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

An Effect that affects both pitch & speed.

Definition at line 28 of file ChangeSpeed.h.

Member Typedef Documentation

◆ Gap

using EffectChangeSpeed::Gap = std::pair<double, double>

private

Definition at line 65 of file ChangeSpeed.h.

◆ Gaps

using EffectChangeSpeed::Gaps = std::vector<Gap>

private

Definition at line 66 of file ChangeSpeed.h.

Constructor & Destructor Documentation

◆ EffectChangeSpeed()

EffectChangeSpeed::EffectChangeSpeed ( )

Definition at line 102 of file ChangeSpeed.cpp.

{
   Parameters().Reset(*this);
 
   mFromVinyl = kVinyl_33AndAThird;
   mToVinyl = kVinyl_33AndAThird;
   mFromLength = 0.0;
   mToLength = 0.0;
   mFormat = NumericConverterFormats::DefaultSelectionFormat();
   mbLoopDetect = false;
 
   SetLinearEffectFlag(true);
}

References NumericConverterFormats::DefaultSelectionFormat(), and kVinyl_33AndAThird.

Referenced by Parameters().

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◆ ~EffectChangeSpeed()

EffectChangeSpeed::~EffectChangeSpeed ( )

virtual

Definition at line 116 of file ChangeSpeed.cpp.

117{

118}

Member Function Documentation

◆ CalcPreviewInputLength()

double EffectChangeSpeed::CalcPreviewInputLength	(	const EffectSettings &	settings,
		double	previewLength
	)		const

overridevirtual

Implements EffectBase.

Definition at line 167 of file ChangeSpeed.cpp.

{
   return previewLength * (100.0 + m_PercentChange) / 100.0;
}

References m_PercentChange.

◆ CheckWhetherSkipEffect()

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

overridevirtual

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

Implements EffectBase.

Definition at line 162 of file ChangeSpeed.cpp.

{
   return (m_PercentChange == 0.0);
}

References m_PercentChange.

◆ DoLoadFactoryDefaults()

OptionalMessage EffectChangeSpeed::DoLoadFactoryDefaults ( EffectSettings & settings )

Definition at line 152 of file ChangeSpeed.cpp.

{
   mFromVinyl = kVinyl_33AndAThird;
   mFormat = NumericConverterFormats::DefaultSelectionFormat();
 
   return Effect::LoadFactoryDefaults(settings);
}

References NumericConverterFormats::DefaultSelectionFormat(), kVinyl_33AndAThird, Effect::LoadFactoryDefaults(), mFormat, mFromVinyl, and settings().

Referenced by LoadFactoryDefaults().

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◆ FetchParameters()

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

inlinestatic

Definition at line 32 of file ChangeSpeed.h.

32{ return &e; }

◆ FindGaps()

auto EffectChangeSpeed::FindGaps	(	const WaveTrack &	track,
		const double	curT0,
		const double	curT1
	)

private

Definition at line 181 of file ChangeSpeed.cpp.

{
   // Silenced samples will be inserted in gaps between clips, so capture where
   // these gaps are for later deletion
   Gaps gaps;
   const auto newGap = [&](double st, double et){
      gaps.emplace_back(track.SnapToSample(st), track.SnapToSample(et));
   };
   double last = curT0;
   auto clips = track.SortedClipArray();
   auto front = clips.front();
   auto back = clips.back();
   for (auto &clip : clips) {
      auto st = clip->GetPlayStartTime();
      auto et = clip->GetPlayEndTime();
      if (st >= curT0 || et < curT1) {
         if (curT0 < st && clip == front)
            newGap(curT0, st);
         else if (last < st && curT0 <= last)
            newGap(last, st);
         if (et < curT1 && clip == back)
            newGap(et, curT1);
      }
      last = et;
   }
   return gaps;
}

Referenced by Process().

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◆ GetDescription()

TranslatableString EffectChangeSpeed::GetDescription ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 127 of file ChangeSpeed.cpp.

{
   return XO("Changes the speed of a track, also changing its pitch");
}

References XO().

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◆ GetSymbol()

ComponentInterfaceSymbol EffectChangeSpeed::GetSymbol ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 122 of file ChangeSpeed.cpp.

{
   return Symbol;
}

References Symbol.

◆ GetType()

EffectType EffectChangeSpeed::GetType ( ) const

overridevirtual

Type determines how it behaves.

Implements EffectDefinitionInterface.

Definition at line 140 of file ChangeSpeed.cpp.

{
   return EffectTypeProcess;
}

References EffectTypeProcess.

◆ Init()

bool EffectChangeSpeed::Init ( )

overridevirtual

Default implementation does nothing, returns true

Reimplemented from StatefulEffectBase.

Definition at line 173 of file ChangeSpeed.cpp.

{
   // The selection might have changed since the last time EffectChangeSpeed
   // was invoked, so recalculate the Length parameters.
   mFromLength = mT1 - mT0;
   return true;
}

References mFromLength, EffectBase::mT0, and EffectBase::mT1.

◆ LoadFactoryDefaults()

OptionalMessage EffectChangeSpeed::LoadFactoryDefaults ( EffectSettings & settings ) const

overridevirtual

Change settings back to "factory default"

Returns: nullopt for failure

Implements EffectSettingsManager.

Definition at line 145 of file ChangeSpeed.cpp.

{
   // To do: externalize state so const_cast isn't needed
   return const_cast<EffectChangeSpeed&>(*this).DoLoadFactoryDefaults(settings);
}

References DoLoadFactoryDefaults(), and settings().

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◆ ManualPage()

ManualPageID EffectChangeSpeed::ManualPage ( ) const

overridevirtual

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

Reimplemented from EffectDefinitionInterface.

Definition at line 132 of file ChangeSpeed.cpp.

{
   return L"Change_Speed";
}

◆ OnChoice_Vinyl()

void EffectChangeSpeed::OnChoice_Vinyl ( wxCommandEvent & evt )

private

Definition at line 610 of file ChangeSpeed.cpp.

{
   // Treat mpChoice_FromVinyl and mpChoice_ToVinyl as one control since we need
   // both to calculate Percent Change.
   mFromVinyl = mpChoice_FromVinyl->GetSelection();
   mToVinyl = mpChoice_ToVinyl->GetSelection();
   // Use this as the 'preferred' choice.
   if (mFromVinyl != kVinyl_NA) {
      SetConfig(GetDefinition(), PluginSettings::Private,
         CurrentSettingsGroup(), wxT("VinylChoice"), mFromVinyl);
   }
 
   // If mFromVinyl & mToVinyl are set, then there's a NEW percent change.
   if ((mFromVinyl != kVinyl_NA) && (mToVinyl != kVinyl_NA))
   {
      double fromRPM;
      double toRPM;
      switch (mFromVinyl) {
      default:
      case kVinyl_33AndAThird:   fromRPM = 33.0 + (1.0 / 3.0); break;
      case kVinyl_45:            fromRPM = 45.0; break;
      case kVinyl_78:            fromRPM = 78; break;
      }
      switch (mToVinyl) {
      default:
      case kVinyl_33AndAThird:   toRPM = 33.0 + (1.0 / 3.0); break;
      case kVinyl_45:            toRPM = 45.0; break;
      case kVinyl_78:            toRPM = 78; break;
      }
      m_PercentChange = ((toRPM * 100.0) / fromRPM) - 100.0;
      UpdateUI();
 
      mbLoopDetect = true;
      Update_Text_PercentChange();
      Update_Text_Multiplier();
      Update_Slider_PercentChange();
      Update_TimeCtrl_ToLength();
   }
   mbLoopDetect = false;
}

References CurrentSettingsGroup(), Effect::GetDefinition(), kVinyl_33AndAThird, kVinyl_45, kVinyl_78, kVinyl_NA, m_PercentChange, mbLoopDetect, mFromVinyl, mpChoice_FromVinyl, mpChoice_ToVinyl, mToVinyl, PluginSettings::Private, PluginSettings::SetConfig(), Update_Slider_PercentChange(), Update_Text_Multiplier(), Update_Text_PercentChange(), Update_TimeCtrl_ToLength(), UpdateUI(), and wxT().

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◆ OnSlider_PercentChange()

void EffectChangeSpeed::OnSlider_PercentChange ( wxCommandEvent & evt )

private

Definition at line 591 of file ChangeSpeed.cpp.

{
   if (mbLoopDetect)
      return;
 
   m_PercentChange = (double)(mpSlider_PercentChange->GetValue());
   // Warp positive values to actually go up faster & further than negatives.
   if (m_PercentChange > 0.0)
      m_PercentChange = pow(m_PercentChange, kSliderWarp);
   UpdateUI();
 
   mbLoopDetect = true;
   Update_Text_PercentChange();
   Update_Text_Multiplier();
   Update_Vinyl();
   Update_TimeCtrl_ToLength();
   mbLoopDetect = false;
}

References kSliderWarp, m_PercentChange, mbLoopDetect, mpSlider_PercentChange, Update_Text_Multiplier(), Update_Text_PercentChange(), Update_TimeCtrl_ToLength(), Update_Vinyl(), and UpdateUI().

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◆ OnText_Multiplier()

void EffectChangeSpeed::OnText_Multiplier ( wxCommandEvent & evt )

private

Definition at line 574 of file ChangeSpeed.cpp.

{
   if (mbLoopDetect)
      return;
 
   mpTextCtrl_Multiplier->GetValidator()->TransferFromWindow();
   m_PercentChange = 100 * (mMultiplier - 1);
   UpdateUI();
 
   mbLoopDetect = true;
   Update_Text_PercentChange();
   Update_Slider_PercentChange();
   Update_Vinyl();
   Update_TimeCtrl_ToLength();
   mbLoopDetect = false;
}

References m_PercentChange, mbLoopDetect, mMultiplier, mpTextCtrl_Multiplier, Update_Slider_PercentChange(), Update_Text_PercentChange(), Update_TimeCtrl_ToLength(), Update_Vinyl(), and UpdateUI().

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◆ OnText_PercentChange()

void EffectChangeSpeed::OnText_PercentChange ( wxCommandEvent & evt )

private

Definition at line 558 of file ChangeSpeed.cpp.

{
   if (mbLoopDetect)
      return;
 
   mpTextCtrl_PercentChange->GetValidator()->TransferFromWindow();
   UpdateUI();
 
   mbLoopDetect = true;
   Update_Text_Multiplier();
   Update_Slider_PercentChange();
   Update_Vinyl();
   Update_TimeCtrl_ToLength();
   mbLoopDetect = false;
}

References mbLoopDetect, mpTextCtrl_PercentChange, Update_Slider_PercentChange(), Update_Text_Multiplier(), Update_TimeCtrl_ToLength(), Update_Vinyl(), and UpdateUI().

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◆ OnTimeCtrl_ToLength()

void EffectChangeSpeed::OnTimeCtrl_ToLength ( wxCommandEvent & evt )

private

Definition at line 651 of file ChangeSpeed.cpp.

{
   if (mbLoopDetect)
      return;
 
   mToLength = mpToLengthCtrl->GetValue();
   // Division by (double) 0.0 is not an error and we want to show "infinite" in
   // text controls, so take care that we handle infinite values when they occur.
   m_PercentChange = ((mFromLength * 100.0) / mToLength) - 100.0;
   UpdateUI();
 
   mbLoopDetect = true;
 
   Update_Text_PercentChange();
   Update_Text_Multiplier();
   Update_Slider_PercentChange();
   Update_Vinyl();
 
   mbLoopDetect = false;
}

References NumericConverter::GetValue(), m_PercentChange, mbLoopDetect, mFromLength, mpToLengthCtrl, mToLength, Update_Slider_PercentChange(), Update_Text_Multiplier(), Update_Text_PercentChange(), Update_Vinyl(), and UpdateUI().

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◆ OnTimeCtrlUpdate()

void EffectChangeSpeed::OnTimeCtrlUpdate ( wxCommandEvent & evt )

private

Definition at line 672 of file ChangeSpeed.cpp.

{
   mFormat = NumericConverterFormats::Lookup(
      FormatterContext::SampleRateContext(mProjectRate),
      NumericConverterType_TIME(), evt.GetString());
 
   mpFromLengthCtrl->SetFormatName(mFormat);
   // Update From/To Length controls (precision has changed).
   mpToLengthCtrl->SetValue(mToLength);
   mpFromLengthCtrl->SetValue(mFromLength);
}

References NumericConverterFormats::Lookup(), mFormat, mFromLength, mpFromLengthCtrl, EffectBase::mProjectRate, mpToLengthCtrl, mToLength, NumericConverterType_TIME(), FormatterContext::SampleRateContext(), NumericTextCtrl::SetFormatName(), and NumericTextCtrl::SetValue().

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◆ Parameters()

const EffectParameterMethods & EffectChangeSpeed::Parameters ( ) const

overrideprivatevirtual

Reimplemented from Effect.

Definition at line 71 of file ChangeSpeed.cpp.

{
   static CapturedParameters<EffectChangeSpeed,
      Percentage
   > parameters;
   return parameters;
}

References EffectChangeSpeed(), and Percentage.

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◆ PopulateOrExchange()

std::unique_ptr< EffectEditor > EffectChangeSpeed::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 301 of file ChangeSpeed.cpp.

{
   mUIParent = S.GetParent();
 
   {
      wxString formatId;
      GetConfig(GetDefinition(), PluginSettings::Private,
         CurrentSettingsGroup(),
         wxT("TimeFormat"), formatId, mFormat.Internal());
      mFormat = NumericConverterFormats::Lookup(
         FormatterContext::SampleRateContext(mProjectRate),
         NumericConverterType_TIME(), formatId);
   }
   GetConfig(GetDefinition(), PluginSettings::Private,
      CurrentSettingsGroup(),
      wxT("VinylChoice"), mFromVinyl, mFromVinyl);
 
   S.SetBorder(5);
 
   S.StartVerticalLay(0);
   {
      // Speed multiplier and percent change controls.
      S.StartMultiColumn(4, wxCENTER);
      {
         mpTextCtrl_Multiplier = S.Id(ID_Multiplier)
            .Validator<FloatingPointValidator<double>>(
               3, &mMultiplier,
               NumValidatorStyle::THREE_TRAILING_ZEROES,
               Percentage.min / 100.0, ((Percentage.max / 100.0) + 1) )
            .AddTextBox(XXO("&Speed Multiplier:"), L"", 12);
 
         mpTextCtrl_PercentChange = S.Id(ID_PercentChange)
            .Validator<FloatingPointValidator<double>>(
               3, &m_PercentChange,
               NumValidatorStyle::THREE_TRAILING_ZEROES,
               Percentage.min, Percentage.max )
            .AddTextBox(XXO("Percent C&hange:"), L"", 12);
      }
      S.EndMultiColumn();
 
      // Percent change slider.
      S.StartHorizontalLay(wxEXPAND);
      {
         mpSlider_PercentChange = S.Id(ID_PercentChange)
            .Name(XO("Percent Change"))
            .Style(wxSL_HORIZONTAL)
            .AddSlider( {}, 0, (int)kSliderMax, (int)Percentage.min);
      }
      S.EndHorizontalLay();
 
      // Vinyl rpm controls.
      S.StartMultiColumn(5, wxCENTER);
      {
         /* i18n-hint: "rpm" is an English abbreviation meaning "revolutions per minute".
            "vinyl" refers to old-fashioned phonograph records */
         S.AddUnits(XO("Standard Vinyl rpm:"));
 
         mpChoice_FromVinyl = S.Id(ID_FromVinyl)
            /* i18n-hint: changing speed of audio "from" one value "to" another
             "rpm" means "revolutions per minute" as on a vinyl record turntable
             */
            .Name(XO("From rpm"))
            .MinSize( { 100, -1 } )
            /* i18n-hint: changing speed of audio "from" one value "to" another */
            .AddChoice(XXC("&from", "change speed"), kVinylStrings);
 
         mpChoice_ToVinyl = S.Id(ID_ToVinyl)
            /* i18n-hint: changing speed of audio "from" one value "to" another
             "rpm" means "revolutions per minute" as on a vinyl record turntable
             */
            .Name(XO("To rpm"))
            .MinSize( { 100, -1 } )
            /* i18n-hint: changing speed of audio "from" one value "to" another */
            .AddChoice(XXC("&to", "change speed"), kVinylStrings);
      }
      S.EndMultiColumn();
 
      // From/To time controls.
      S.StartStatic(XO("Selection Length"), 0);
      {
         S.StartMultiColumn(2, wxALIGN_LEFT);
         {
            S.AddPrompt(XXO("C&urrent Length:"));
 
            mpFromLengthCtrl = safenew
                  NumericTextCtrl(FormatterContext::SampleRateContext(mProjectRate),
                                 S.GetParent(), wxID_ANY,
                                 NumericConverterType_TIME(),
                                 mFormat,
                                 mFromLength,
                                 NumericTextCtrl::Options{}
                                  .ReadOnly(true)
                                  .MenuEnabled(false));
 
            S.ToolTip(XO("Current length of selection."))
               /* i18n-hint: changing speed of audio "from" one value "to" another */
               .Name(XC("from", "change speed"))
               .Position(wxALIGN_LEFT)
               .AddWindow(mpFromLengthCtrl);
 
            S.AddPrompt(XXO("&New Length:"));
 
            mpToLengthCtrl = safenew
                  NumericTextCtrl(FormatterContext::SampleRateContext(mProjectRate),
                                 S.GetParent(), ID_ToLength,
                                 NumericConverterType_TIME(),
                                 mFormat,
                                 mToLength);
 
            /* i18n-hint: changing speed of audio "from" one value "to" another */
            S.Name(XC("to", "change speed"))
               .Position(wxALIGN_LEFT)
               .AddWindow(mpToLengthCtrl);
         }
         S.EndMultiColumn();
      }
      S.EndStatic();
   }
   S.EndVerticalLay();
   return nullptr;
}

References CurrentSettingsGroup(), PluginSettings::GetConfig(), Effect::GetDefinition(), ID_FromVinyl, ID_Multiplier, ID_PercentChange, ID_ToLength, ID_ToVinyl, ComponentInterfaceSymbol::Internal(), kSliderMax, kVinylStrings, NumericConverterFormats::Lookup(), m_PercentChange, EffectParameter< Structure, Member, Type, Value >::max, mFormat, mFromLength, mFromVinyl, EffectParameter< Structure, Member, Type, Value >::min, mMultiplier, mpChoice_FromVinyl, mpChoice_ToVinyl, mpFromLengthCtrl, EffectBase::mProjectRate, mpSlider_PercentChange, mpTextCtrl_Multiplier, mpTextCtrl_PercentChange, mpToLengthCtrl, mToLength, mUIParent, NumericConverterType_TIME(), Percentage, PluginSettings::Private, NumericTextCtrl::Options::ReadOnly(), S, safenew, FormatterContext::SampleRateContext(), wxT(), XC, XO(), XXC, and XXO().

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◆ Process()

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

overridevirtual

Implements StatefulEffectBase.

Definition at line 210 of file ChangeSpeed.cpp.

{
   // Similar to EffectSoundTouch::Process()
 
   // Iterate over each track.
   // All needed because this effect needs to introduce
   // silence in the sync-lock group tracks to keep sync
   EffectOutputTracks outputs{ *mTracks, {{ mT0, mT1 }}, true };
   bool bGoodResult = true;
 
   mCurTrackNum = 0;
 
   mFactor = 100.0 / (100.0 + m_PercentChange);
 
   outputs.Get().Any().VisitWhile(bGoodResult,
      [&](LabelTrack &lt) {
         if (SyncLock::IsSelectedOrSyncLockSelected(&lt)) {
            if (!ProcessLabelTrack(&lt))
               bGoodResult = false;
         }
      },
      [&](auto &&fallthrough){ return [&](WaveTrack &outWaveTrack) {
         if (!outWaveTrack.GetSelected())
            return fallthrough();
 
         //Get start and end times from track
         mCurT0 = outWaveTrack.GetStartTime();
         mCurT1 = outWaveTrack.GetEndTime();
 
         //Set the current bounds to whichever left marker is
         //greater and whichever right marker is less:
         mCurT0 = std::max(mT0, mCurT0);
         mCurT1 = std::min(mT1, mCurT1);
 
         // Process only if the right marker is to the right of the left marker
         if (mCurT1 > mCurT0) {
            //Transform the marker timepoints to samples
            auto start = outWaveTrack.TimeToLongSamples(mCurT0);
            auto end = outWaveTrack.TimeToLongSamples(mCurT1);
 
            const auto gaps = FindGaps(outWaveTrack, mCurT0, mCurT1);
 
            auto newTracks = outWaveTrack.WideEmptyCopy();
            auto iter =
               (*newTracks->Any<WaveTrack>().begin())->Channels().begin();
            for (const auto pChannel : outWaveTrack.Channels()) {
               // ProcessOne() (implemented below) processes a single channel
               if (ProcessOne(*pChannel, **iter++, start, end))
                  ++mCurTrackNum;
               else {
                  newTracks.reset();
                  break;
               }
            }
            if (!newTracks) {
               bGoodResult = false;
               return;
            }
            const auto pNewTrack = *newTracks->Any<WaveTrack>().begin();
            pNewTrack->Flush();
 
            const double newLength = pNewTrack->GetEndTime();
            const LinearTimeWarper warper{
               mCurT0, mCurT0, mCurT1, mCurT0 + newLength };
 
            outWaveTrack.ClearAndPaste(mCurT0, mCurT1,
               *newTracks, true, true, &warper);
 
               // Finally, recreate the gaps
            for (const auto [st, et] : gaps)
               if (st >= mCurT0 && et <= mCurT1 && st != et)
                  outWaveTrack.SplitDelete(warper.Warp(st), warper.Warp(et));
         }
         else
            mCurTrackNum += outWaveTrack.NChannels();
      }; },
      [&](Track &t) {
         if (SyncLock::IsSyncLockSelected(&t))
            t.SyncLockAdjust(mT1, mT0 + (mT1 - mT0) * mFactor);
      }
   );
 
   if (bGoodResult)
      outputs.Commit();
 
   // Update selection.
   mT1 = mT0 + (((mT1 - mT0) * 100.0) / (100.0 + m_PercentChange));
 
   return bGoodResult;
}

References PackedArray::begin(), PackedArray::end(), FindGaps(), SyncLock::IsSelectedOrSyncLockSelected(), SyncLock::IsSyncLockSelected(), m_PercentChange, mCurT0, mCurT1, mCurTrackNum, mFactor, min(), EffectBase::mT0, EffectBase::mT1, EffectBase::mTracks, ProcessLabelTrack(), and ProcessOne().

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◆ ProcessLabelTrack()

bool EffectChangeSpeed::ProcessLabelTrack ( LabelTrack * t )

private

Definition at line 484 of file ChangeSpeed.cpp.

{
   RegionTimeWarper warper { mT0, mT1,
      std::make_unique<LinearTimeWarper>(mT0, mT0,
                                         mT1, mT0 + (mT1-mT0)*mFactor) };
   lt->WarpLabels(warper);
   return true;
}

References mFactor, EffectBase::mT0, EffectBase::mT1, and LabelTrack::WarpLabels().

Referenced by Process().

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◆ ProcessOne()

bool EffectChangeSpeed::ProcessOne	(	const WaveChannel &	track,
		WaveChannel &	outputTrack,
		sampleCount	start,
		sampleCount	end
	)

private

Definition at line 495 of file ChangeSpeed.cpp.

{
   //Get the length of the selection (as double). len is
   //used simple to calculate a progress meter, so it is easier
   //to make it a double now than it is to do it later
   auto len = (end - start).as_double();
 
   // Initiate processing buffers, most likely shorter than
   // the length of the selection being processed.
   auto inBufferSize = track.GetMaxBlockSize();
 
   Floats inBuffer{ inBufferSize };
 
   // mFactor is at most 100-fold so this shouldn't overflow size_t
   auto outBufferSize = size_t( mFactor * inBufferSize + 10 );
   Floats outBuffer{ outBufferSize };
 
   // Set up the resampling stuff for this track.
   Resample resample(true, mFactor, mFactor); // constant rate resampling
 
   //Go through the track one buffer at a time. samplePos counts which
   //sample the current buffer starts at.
   bool bResult = true;
   auto samplePos = start;
   while (samplePos < end) {
      //Get a blockSize of samples (smaller than the size of the buffer)
      auto blockSize = limitSampleBufferSize(
         track.GetBestBlockSize(samplePos),
         end - samplePos
      );
 
      //Get the samples from the track and put them in the buffer
      track.GetFloats(inBuffer.get(), samplePos, blockSize);
 
      const auto results = resample.Process(mFactor,
                                    inBuffer.get(),
                                    blockSize,
                                    ((samplePos + blockSize) >= end),
                                    outBuffer.get(),
                                    outBufferSize);
      const auto outgen = results.second;
 
      if (outgen > 0)
         outputTrack.Append((samplePtr)outBuffer.get(), floatSample,
                             outgen);
 
      // Increment samplePos
      samplePos += results.first;
 
      // Update the Progress meter
      if (TrackProgress(mCurTrackNum, (samplePos - start).as_double() / len)) {
         bResult = false;
         break;
      }
   }
 
   return bResult;
}

References WaveChannel::Append(), PackedArray::end(), floatSample, WaveChannel::GetBestBlockSize(), WaveChannel::GetFloats(), WaveChannel::GetMaxBlockSize(), limitSampleBufferSize(), mCurTrackNum, mFactor, Resample::Process(), and Effect::TrackProgress().

Referenced by Process().

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◆ TransferDataFromWindow()

bool EffectChangeSpeed::TransferDataFromWindow ( EffectSettings & settings )

overridevirtual

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

Reimplemented from StatefulEffectUIServices.

Definition at line 461 of file ChangeSpeed.cpp.

{
   // mUIParent->TransferDataFromWindow() loses some precision, so save and restore it.
   double exactPercent = m_PercentChange;
   if (!mUIParent->Validate() || !mUIParent->TransferDataFromWindow())
   {
      return false;
   }
   m_PercentChange = exactPercent;
 
   // TODO: just visit these effect settings the default way
   SetConfig(GetDefinition(), PluginSettings::Private,
      CurrentSettingsGroup(), wxT("TimeFormat"), mFormat.Internal());
   SetConfig(GetDefinition(), PluginSettings::Private,
      CurrentSettingsGroup(), wxT("VinylChoice"), mFromVinyl);
 
   return true;
}

References CurrentSettingsGroup(), Effect::GetDefinition(), ComponentInterfaceSymbol::Internal(), m_PercentChange, mFormat, mFromVinyl, mUIParent, PluginSettings::Private, PluginSettings::SetConfig(), and wxT().

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◆ TransferDataToWindow()

bool EffectChangeSpeed::TransferDataToWindow ( const EffectSettings & settings )

overridevirtual

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

Reimplemented from StatefulEffectUIServices.

Definition at line 425 of file ChangeSpeed.cpp.

{
   mbLoopDetect = true;
 
   if (!mUIParent->TransferDataToWindow())
   {
      return false;
   }
 
   if (mFromVinyl == kVinyl_NA)
   {
      mFromVinyl = kVinyl_33AndAThird;
   }
 
   Update_Text_PercentChange();
   Update_Text_Multiplier();
   Update_Slider_PercentChange();
   Update_TimeCtrl_ToLength();
 
   // Set from/to Vinyl controls - mFromVinyl must be set first.
   mpChoice_FromVinyl->SetSelection(mFromVinyl);
   // Then update to get correct mToVinyl.
   Update_Vinyl();
   // Then update ToVinyl control.
   mpChoice_ToVinyl->SetSelection(mToVinyl);
 
   // Set From Length control.
   // Set the format first so we can get sample accuracy.
   mpFromLengthCtrl->SetFormatName(mFormat);
   mpFromLengthCtrl->SetValue(mFromLength);
 
   mbLoopDetect = false;
 
   return true;
}

References kVinyl_33AndAThird, kVinyl_NA, mbLoopDetect, mFormat, mFromLength, mFromVinyl, mpChoice_FromVinyl, mpChoice_ToVinyl, mpFromLengthCtrl, mToVinyl, mUIParent, NumericTextCtrl::SetFormatName(), NumericTextCtrl::SetValue(), Update_Slider_PercentChange(), Update_Text_Multiplier(), Update_Text_PercentChange(), Update_TimeCtrl_ToLength(), and Update_Vinyl().

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◆ Update_Slider_PercentChange()

void EffectChangeSpeed::Update_Slider_PercentChange ( )

private

Definition at line 699 of file ChangeSpeed.cpp.

{
   auto unwarped = std::min<double>(m_PercentChange, Percentage.max);
   if (unwarped > 0.0)
      // Un-warp values above zero to actually go up to kSliderMax.
      unwarped = pow(m_PercentChange, (1.0 / kSliderWarp));
 
   // Caution: m_PercentChange could be infinite.
   int unwarpedi = (int)(unwarped + 0.5);
   unwarpedi = std::min<int>(unwarpedi, (int)kSliderMax);
 
   mpSlider_PercentChange->SetValue(unwarpedi);
}

References kSliderMax, kSliderWarp, m_PercentChange, EffectParameter< Structure, Member, Type, Value >::max, mpSlider_PercentChange, and Percentage.

Referenced by OnChoice_Vinyl(), OnText_Multiplier(), OnText_PercentChange(), OnTimeCtrl_ToLength(), and TransferDataToWindow().

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◆ Update_Text_Multiplier()

void EffectChangeSpeed::Update_Text_Multiplier ( )

private

Definition at line 692 of file ChangeSpeed.cpp.

{
   mMultiplier =  1 + (m_PercentChange) / 100.0;
   mpTextCtrl_Multiplier->GetValidator()->TransferToWindow();
}

References m_PercentChange, mMultiplier, and mpTextCtrl_Multiplier.

Referenced by OnChoice_Vinyl(), OnSlider_PercentChange(), OnText_PercentChange(), OnTimeCtrl_ToLength(), and TransferDataToWindow().

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◆ Update_Text_PercentChange()

void EffectChangeSpeed::Update_Text_PercentChange ( )

private

Definition at line 686 of file ChangeSpeed.cpp.

{
   mpTextCtrl_PercentChange->GetValidator()->TransferToWindow();
}

References mpTextCtrl_PercentChange.

Referenced by OnChoice_Vinyl(), OnSlider_PercentChange(), OnText_Multiplier(), OnTimeCtrl_ToLength(), and TransferDataToWindow().

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◆ Update_TimeCtrl_ToLength()

void EffectChangeSpeed::Update_TimeCtrl_ToLength ( )

private

Definition at line 768 of file ChangeSpeed.cpp.

{
   mToLength = (mFromLength * 100.0) / (100.0 + m_PercentChange);
 
   // Set the format first so we can get sample accuracy.
   mpToLengthCtrl->SetFormatName(mFormat);
   // Negative times do not make sense.
   // 359999 = 99h:59m:59s which is a little less disturbing than overflow characters
   // though it may still look a bit strange with some formats.
   mToLength = std::clamp<double>(mToLength, 0.0, 359999.0);
   mpToLengthCtrl->SetValue(mToLength);
}

References m_PercentChange, mFormat, mFromLength, mpToLengthCtrl, mToLength, NumericTextCtrl::SetFormatName(), and NumericTextCtrl::SetValue().

Referenced by OnChoice_Vinyl(), OnSlider_PercentChange(), OnText_Multiplier(), OnText_PercentChange(), and TransferDataToWindow().

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◆ Update_Vinyl()

void EffectChangeSpeed::Update_Vinyl ( )

private

Definition at line 714 of file ChangeSpeed.cpp.

{
   // Match Vinyl rpm when within 0.01% of a standard ratio.
   // Ratios calculated as: ((toRPM / fromRPM) - 1) * 100 * 100
 
   // Caution: m_PercentChange could be infinite
   int ratio = (int)((m_PercentChange * 100) + 0.5);
 
   switch (ratio)
   {
      case 0: // toRPM is the same as fromRPM
         if (mFromVinyl != kVinyl_NA) {
            mpChoice_ToVinyl->SetSelection(mpChoice_FromVinyl->GetSelection());
         } else {
            // Use the last saved option.
            GetConfig(GetDefinition(), PluginSettings::Private,
               CurrentSettingsGroup(), wxT("VinylChoice"), mFromVinyl, 0);
            mpChoice_FromVinyl->SetSelection(mFromVinyl);
            mpChoice_ToVinyl->SetSelection(mFromVinyl);
         }
         break;
      case 3500:
         mpChoice_FromVinyl->SetSelection(kVinyl_33AndAThird);
         mpChoice_ToVinyl->SetSelection(kVinyl_45);
         break;
      case 13400:
         mpChoice_FromVinyl->SetSelection(kVinyl_33AndAThird);
         mpChoice_ToVinyl->SetSelection(kVinyl_78);
         break;
      case -2593:
         mpChoice_FromVinyl->SetSelection(kVinyl_45);
         mpChoice_ToVinyl->SetSelection(kVinyl_33AndAThird);
         break;
      case 7333:
         mpChoice_FromVinyl->SetSelection(kVinyl_45);
         mpChoice_ToVinyl->SetSelection(kVinyl_78);
         break;
      case -5727:
         mpChoice_FromVinyl->SetSelection(kVinyl_78);
         mpChoice_ToVinyl->SetSelection(kVinyl_33AndAThird);
         break;
      case -4231:
         mpChoice_FromVinyl->SetSelection(kVinyl_78);
         mpChoice_ToVinyl->SetSelection(kVinyl_45);
         break;
      default:
         mpChoice_ToVinyl->SetSelection(kVinyl_NA);
   }
   // and update variables.
   mFromVinyl = mpChoice_FromVinyl->GetSelection();
   mToVinyl = mpChoice_ToVinyl->GetSelection();
}

References CurrentSettingsGroup(), PluginSettings::GetConfig(), Effect::GetDefinition(), kVinyl_33AndAThird, kVinyl_45, kVinyl_78, kVinyl_NA, m_PercentChange, mFromVinyl, mpChoice_FromVinyl, mpChoice_ToVinyl, mToVinyl, PluginSettings::Private, and wxT().

Referenced by OnSlider_PercentChange(), OnText_Multiplier(), OnText_PercentChange(), OnTimeCtrl_ToLength(), and TransferDataToWindow().

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◆ UpdateUI()

void EffectChangeSpeed::UpdateUI ( )

private

Definition at line 782 of file ChangeSpeed.cpp.

{
   EffectEditor::EnableApply(mUIParent,
      m_PercentChange >= Percentage.min && m_PercentChange <= Percentage.max);
}

References EffectEditor::EnableApply(), m_PercentChange, EffectParameter< Structure, Member, Type, Value >::max, EffectParameter< Structure, Member, Type, Value >::min, mUIParent, and Percentage.

Referenced by OnChoice_Vinyl(), OnSlider_PercentChange(), OnText_Multiplier(), OnText_PercentChange(), and OnTimeCtrl_ToLength().

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Member Data Documentation

◆ m_PercentChange

double EffectChangeSpeed::m_PercentChange

private

Definition at line 99 of file ChangeSpeed.h.

Referenced by CalcPreviewInputLength(), CheckWhetherSkipEffect(), OnChoice_Vinyl(), OnSlider_PercentChange(), OnText_Multiplier(), OnTimeCtrl_ToLength(), PopulateOrExchange(), Process(), TransferDataFromWindow(), Update_Slider_PercentChange(), Update_Text_Multiplier(), Update_TimeCtrl_ToLength(), Update_Vinyl(), and UpdateUI().

◆ mbLoopDetect

bool EffectChangeSpeed::mbLoopDetect

private

Definition at line 108 of file ChangeSpeed.h.

Referenced by OnChoice_Vinyl(), OnSlider_PercentChange(), OnText_Multiplier(), OnText_PercentChange(), OnTimeCtrl_ToLength(), and TransferDataToWindow().

◆ mCurT0

double EffectChangeSpeed::mCurT0

private

Definition at line 95 of file ChangeSpeed.h.

Referenced by Process().

◆ mCurT1

double EffectChangeSpeed::mCurT1

private

Definition at line 96 of file ChangeSpeed.h.

Referenced by Process().

◆ mCurTrackNum

int EffectChangeSpeed::mCurTrackNum

private

Definition at line 94 of file ChangeSpeed.h.

Referenced by Process(), and ProcessOne().

◆ mFactor

double EffectChangeSpeed::mFactor

private

Definition at line 103 of file ChangeSpeed.h.

Referenced by Process(), ProcessLabelTrack(), and ProcessOne().

◆ mFormat

NumericFormatSymbol EffectChangeSpeed::mFormat

private

Definition at line 123 of file ChangeSpeed.h.

Referenced by DoLoadFactoryDefaults(), OnTimeCtrlUpdate(), PopulateOrExchange(), TransferDataFromWindow(), TransferDataToWindow(), and Update_TimeCtrl_ToLength().

◆ mFromLength

double EffectChangeSpeed::mFromLength

private

Definition at line 104 of file ChangeSpeed.h.

Referenced by Init(), OnTimeCtrl_ToLength(), OnTimeCtrlUpdate(), PopulateOrExchange(), TransferDataToWindow(), and Update_TimeCtrl_ToLength().

◆ mFromVinyl

int EffectChangeSpeed::mFromVinyl

private

Definition at line 102 of file ChangeSpeed.h.

Referenced by DoLoadFactoryDefaults(), OnChoice_Vinyl(), PopulateOrExchange(), TransferDataFromWindow(), TransferDataToWindow(), and Update_Vinyl().

◆ mMultiplier

double EffectChangeSpeed::mMultiplier

private

Definition at line 106 of file ChangeSpeed.h.

Referenced by OnText_Multiplier(), PopulateOrExchange(), and Update_Text_Multiplier().

◆ mpChoice_FromVinyl

wxChoice* EffectChangeSpeed::mpChoice_FromVinyl

private

Definition at line 114 of file ChangeSpeed.h.

Referenced by OnChoice_Vinyl(), PopulateOrExchange(), TransferDataToWindow(), and Update_Vinyl().

◆ mpChoice_ToVinyl

wxChoice* EffectChangeSpeed::mpChoice_ToVinyl

private

Definition at line 115 of file ChangeSpeed.h.

Referenced by OnChoice_Vinyl(), PopulateOrExchange(), TransferDataToWindow(), and Update_Vinyl().

◆ mpFromLengthCtrl

NumericTextCtrl* EffectChangeSpeed::mpFromLengthCtrl

private

Definition at line 116 of file ChangeSpeed.h.

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

◆ mpSlider_PercentChange

wxSlider* EffectChangeSpeed::mpSlider_PercentChange

private

Definition at line 113 of file ChangeSpeed.h.

Referenced by OnSlider_PercentChange(), PopulateOrExchange(), and Update_Slider_PercentChange().

◆ mpTextCtrl_Multiplier

wxTextCtrl* EffectChangeSpeed::mpTextCtrl_Multiplier

private

Definition at line 112 of file ChangeSpeed.h.

Referenced by OnText_Multiplier(), PopulateOrExchange(), and Update_Text_Multiplier().

◆ mpTextCtrl_PercentChange

wxTextCtrl* EffectChangeSpeed::mpTextCtrl_PercentChange

private

Definition at line 111 of file ChangeSpeed.h.

Referenced by OnText_PercentChange(), PopulateOrExchange(), and Update_Text_PercentChange().

◆ mpToLengthCtrl

NumericTextCtrl* EffectChangeSpeed::mpToLengthCtrl

private

Definition at line 117 of file ChangeSpeed.h.

Referenced by OnTimeCtrl_ToLength(), OnTimeCtrlUpdate(), PopulateOrExchange(), and Update_TimeCtrl_ToLength().

◆ mRate

double EffectChangeSpeed::mRate

private

Definition at line 118 of file ChangeSpeed.h.

◆ mTimeCtrlFormat

int EffectChangeSpeed::mTimeCtrlFormat

private

Definition at line 105 of file ChangeSpeed.h.

◆ mToLength

double EffectChangeSpeed::mToLength

private

Definition at line 122 of file ChangeSpeed.h.

Referenced by OnTimeCtrl_ToLength(), OnTimeCtrlUpdate(), PopulateOrExchange(), and Update_TimeCtrl_ToLength().

◆ mToVinyl

int EffectChangeSpeed::mToVinyl

private

Definition at line 121 of file ChangeSpeed.h.

Referenced by OnChoice_Vinyl(), TransferDataToWindow(), and Update_Vinyl().

◆ mUIParent

wxWeakRef<wxWindow> EffectChangeSpeed::mUIParent {}

private

Definition at line 91 of file ChangeSpeed.h.

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

◆ Percentage

constexpr EffectParameter EffectChangeSpeed::Percentage

staticconstexprprivate

Initial value:

{ &EffectChangeSpeed::m_PercentChange,

L"Percentage", 0.0, -99.0, 4900.0, 1 }

Definition at line 128 of file ChangeSpeed.h.

Referenced by Parameters(), PopulateOrExchange(), Update_Slider_PercentChange(), and UpdateUI().

◆ Symbol

const ComponentInterfaceSymbol EffectChangeSpeed::Symbol { XO("Change Speed and Pitch") }

static

Definition at line 33 of file ChangeSpeed.h.

Referenced by GetSymbol().

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

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Types

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Gap

◆ Gaps

Constructor & Destructor Documentation

◆ EffectChangeSpeed()

◆ ~EffectChangeSpeed()

Member Function Documentation

◆ CalcPreviewInputLength()

◆ CheckWhetherSkipEffect()

◆ DoLoadFactoryDefaults()

◆ FetchParameters()

◆ FindGaps()

◆ GetDescription()

◆ GetSymbol()

◆ GetType()

◆ Init()

◆ LoadFactoryDefaults()

◆ ManualPage()

◆ OnChoice_Vinyl()

◆ OnSlider_PercentChange()

◆ OnText_Multiplier()

◆ OnText_PercentChange()

◆ OnTimeCtrl_ToLength()

◆ OnTimeCtrlUpdate()

◆ Parameters()

◆ PopulateOrExchange()

◆ Process()

◆ ProcessLabelTrack()

◆ ProcessOne()

◆ TransferDataFromWindow()

◆ TransferDataToWindow()

◆ Update_Slider_PercentChange()

◆ Update_Text_Multiplier()

◆ Update_Text_PercentChange()

◆ Update_TimeCtrl_ToLength()

◆ Update_Vinyl()

◆ UpdateUI()

Member Data Documentation

◆ m_PercentChange

◆ mbLoopDetect

◆ mCurT0

◆ mCurT1

◆ mCurTrackNum

◆ mFactor

◆ mFormat

◆ mFromLength

◆ mFromVinyl

◆ mMultiplier

◆ mpChoice_FromVinyl

◆ mpChoice_ToVinyl

◆ mpFromLengthCtrl

◆ mpSlider_PercentChange

◆ mpTextCtrl_Multiplier

◆ mpTextCtrl_PercentChange

◆ mpToLengthCtrl

◆ mRate

◆ mTimeCtrlFormat

◆ mToLength

◆ mToVinyl

◆ mUIParent

◆ Percentage

◆ Symbol