An Extreme Time Stretch and Time Smear effect. More...

#include <PaulstretchBase.h>

Inheritance diagram for PaulstretchBase:

Collaboration diagram for PaulstretchBase:

Public Member Functions
	PaulstretchBase ()

virtual	~PaulstretchBase ()

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...

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

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

Public Member Functions inherited from StatefulEffect
	~StatefulEffect () override

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

Public Member Functions inherited from StatefulEffectBase
virtual bool	Init ()

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

virtual bool	RealtimeInitialize (EffectSettings &settings, double sampleRate)

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

virtual bool	RealtimeSuspend ()

virtual bool	RealtimeResume ()

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

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

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

virtual bool	RealtimeFinalize (EffectSettings &settings) noexcept

virtual size_t	SetBlockSize (size_t maxBlockSize)

virtual size_t	GetBlockSize () const

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

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

virtual sampleCount	GetLatency () const

virtual bool	NeedsDither () const

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

virtual bool	ProcessFinalize () noexcept

Public Member Functions inherited from Effect
	Effect ()

virtual	~Effect ()

PluginPath	GetPath () const override

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

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

ComponentInterfaceSymbol	GetSymbol () const override

VendorSymbol	GetVendor () const override

wxString	GetVersion () const override

TranslatableString	GetDescription () const override

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

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

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

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

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

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

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

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

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

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

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

OptionalMessage	LoadFactoryDefaults (EffectSettings &settings) const override

virtual const EffectParameterMethods &	Parameters () const

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

bool	HasOptions () const override

const EffectSettingsManager &	GetDefinition () const override

virtual NumericFormatID	GetSelectionFormat ()

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

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

bool	IsBatchProcessing () const override

void	SetBatchProcessing () override

void	UnsetBatchProcessing () override

unsigned	TestUIFlags (unsigned mask)

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

Public Member Functions inherited from EffectBase
	EffectBase ()

	~EffectBase () override

bool	IsLinearEffect () const

bool	PreviewsFullSelection () const

void	SetTracks (TrackList *pTracks)

double	GetDefaultDuration ()

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

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

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

void	CountWaveTracks ()

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

virtual	~EffectPlugin ()

virtual bool	HasOptions () const =0

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

virtual const EffectSettingsManager &	GetDefinition () const =0

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

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

virtual bool	IsBatchProcessing () const =0

virtual void	SetBatchProcessing ()=0

virtual void	UnsetBatchProcessing ()=0

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

Public Member Functions inherited from EffectInstanceFactory
virtual	~EffectInstanceFactory ()

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

Public Member Functions inherited from EffectSettingsManager
virtual	~EffectSettingsManager ()

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

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

virtual EffectSettings	MakeSettings () const

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

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

Public Member Functions inherited from EffectDefinitionInterface
virtual	~EffectDefinitionInterface ()

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

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

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

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

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

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

bool	SupportsRealtime () const

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

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

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

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

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

Public Member Functions inherited from ComponentInterface
virtual	~ComponentInterface ()

virtual PluginPath	GetPath () const =0

virtual ComponentInterfaceSymbol	GetSymbol () const =0

virtual VendorSymbol	GetVendor () const =0

virtual wxString	GetVersion () const =0

virtual TranslatableString	GetDescription () const =0

TranslatableString	GetName () const

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

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

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

static InstanceFinder	DefaultInstanceFinder (EffectPlugin &plugin)

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

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

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
size_t	GetBufferSize (double rate) const

bool	ProcessOne (const WaveChannel &track, WaveChannel &outputTrack, double t0, double t1, int count)

const EffectParameterMethods &	Parameters () const override

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

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

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

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

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

int	GetNumWaveTracks () const

int	GetNumWaveGroups () const

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

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

void	SetLinearEffectFlag (bool linearEffectFlag)

void	SetPreviewFullSelectionFlag (bool previewDurationFlag)

bool	IsPreviewing () const

const TrackList *	inputTracks () const

const AudacityProject *	FindProject () const

Protected Attributes
float	mAmount

float	mTime_resolution

Protected Attributes inherited from EffectBase
double	mF0 {}

double	mF1 {}

wxArrayString	mPresetNames

unsigned	mUIFlags { 0 }

Static Protected Attributes
static constexpr EffectParameter	Amount

static constexpr EffectParameter	Time

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

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

using	InstancePointer = std::shared_ptr< EffectInstanceEx >

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

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

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

int	mNumTracks {}

BasicUI::ProgressDialog *	mProgress {}

double	mProjectRate {}

WaveTrackFactory *	mFactory {}

double	mT0 {}

double	mT1 {}

bool	mIsPreview { false }

Detailed Description

An Extreme Time Stretch and Time Smear effect.

Definition at line 17 of file PaulstretchBase.h.

Constructor & Destructor Documentation

◆ PaulstretchBase()

PaulstretchBase::PaulstretchBase ( )

Definition at line 79 of file PaulstretchBase.cpp.

{
   Parameters().Reset(*this);
 
   SetLinearEffectFlag(true);
}

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

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◆ ~PaulstretchBase()

PaulstretchBase::~PaulstretchBase ( )

virtual

Definition at line 86 of file PaulstretchBase.cpp.

87{

88}

Member Function Documentation

◆ CalcPreviewInputLength()

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

overridevirtual

Implements EffectBase.

Definition at line 117 of file PaulstretchBase.cpp.

{
   // FIXME: Preview is currently at the project rate, but should really be
   // at the track rate (bugs 1284 and 852).
   auto minDuration = GetBufferSize(mProjectRate) * 2 + 1;
 
   // Preview playback may need to be trimmed but this is the smallest selection
   // that we can use.
   double minLength =
      std::max<double>(minDuration / mProjectRate, previewLength / mAmount);
 
   return minLength;
}

References GetBufferSize(), mAmount, and EffectBase::mProjectRate.

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◆ FetchParameters()

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

inlinestatic

Definition at line 21 of file PaulstretchBase.h.

   {
      return &e;
   }

◆ GetBufferSize()

size_t PaulstretchBase::GetBufferSize ( double rate ) const

protected

Definition at line 353 of file PaulstretchBase.cpp.

{
   // Audacity's fft requires a power of 2
   float tmp = rate * mTime_resolution / 2.0;
   tmp = log(tmp) / log(2.0);
   tmp = pow(2.0, floor(tmp + 0.5));
 
   auto stmp = size_t(tmp);
   if (stmp != tmp)
      // overflow
      return 0;
   if (stmp >= 2 * stmp)
      // overflow
      return 0;
 
   return std::max<size_t>(stmp, 128);
}

References mTime_resolution.

Referenced by CalcPreviewInputLength(), and ProcessOne().

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◆ GetDescription()

TranslatableString PaulstretchBase::GetDescription ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 97 of file PaulstretchBase.cpp.

{
   return XO(
      "Paulstretch is only for an extreme time-stretch or \"stasis\" effect");
}

References XO().

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◆ GetSymbol()

ComponentInterfaceSymbol PaulstretchBase::GetSymbol ( ) const

overridevirtual

Implements ComponentInterface.

Definition at line 92 of file PaulstretchBase.cpp.

{
   return Symbol;
}

References Symbol.

◆ GetType()

EffectType PaulstretchBase::GetType ( ) const

overridevirtual

Type determines how it behaves.

Implements EffectDefinitionInterface.

Definition at line 110 of file PaulstretchBase.cpp.

{
   return EffectTypeProcess;
}

References EffectTypeProcess.

Referenced by Process().

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◆ ManualPage()

ManualPageID PaulstretchBase::ManualPage ( ) const

overridevirtual

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

Reimplemented from EffectDefinitionInterface.

Definition at line 103 of file PaulstretchBase.cpp.

{
   return L"Paulstretch";
}

◆ Parameters()

const EffectParameterMethods & PaulstretchBase::Parameters ( ) const

overrideprotectedvirtual

Reimplemented from Effect.

Definition at line 29 of file PaulstretchBase.cpp.

{
   static CapturedParameters<PaulstretchBase, Amount, Time> parameters;
   return parameters;
}

Referenced by PaulstretchBase().

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◆ Process()

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

overridevirtual

Implements StatefulEffectBase.

Definition at line 132 of file PaulstretchBase.cpp.

{
   // Pass true because sync lock adjustment is needed
   EffectOutputTracks outputs { *mTracks, GetType(), { { mT0, mT1 } }, true };
   auto newT1 = mT1;
   int count = 0;
   // Process selected wave tracks first, to find the new t1 value
   for (const auto track : outputs.Get().Selected<WaveTrack>())
   {
      double trackStart = track->GetStartTime();
      double trackEnd = track->GetEndTime();
      double t0 = mT0 < trackStart ? trackStart : mT0;
      double t1 = mT1 > trackEnd ? trackEnd : mT1;
      if (t1 > t0)
      {
         auto tempTrack = track->EmptyCopy();
         const auto channels = track->Channels();
         auto iter = tempTrack->Channels().begin();
         for (const auto pChannel : channels)
         {
            if (!ProcessOne(*pChannel, **iter++, t0, t1, count++))
               return false;
         }
         tempTrack->Flush();
         newT1 = std::max(newT1, mT0 + tempTrack->GetEndTime());
         PasteTimeWarper warper { t1, t0 + tempTrack->GetEndTime() };
         constexpr auto preserve = false;
         constexpr auto merge = true;
         track->ClearAndPaste(t0, t1, *tempTrack, preserve, merge, &warper);
      }
      else
         count += track->NChannels();
   }
 
   // Sync lock adjustment of other tracks
   outputs.Get().Any().Visit(
      [&](auto&& fallthrough) {
         return [&](WaveTrack& track) {
            if (!track.IsSelected())
               fallthrough();
         };
      },
      [&](Track& track) {
         if (SyncLock::IsSyncLockSelected(track))
            track.SyncLockAdjust(mT1, newT1);
      });
   mT1 = newT1;
 
   outputs.Commit();
 
   return true;
}

References GetType(), SyncLock::IsSyncLockSelected(), EffectBase::mT0, EffectBase::mT1, EffectBase::mTracks, and ProcessOne().

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◆ ProcessOne()

bool PaulstretchBase::ProcessOne	(	const WaveChannel &	track,
		WaveChannel &	outputTrack,
		double	t0,
		double	t1,
		int	count
	)

protected

Definition at line 185 of file PaulstretchBase.cpp.

{
   const auto badAllocMessage = XO("Requested value exceeds memory capacity.");
 
   const auto rate = track.GetTrack().GetRate();
   const auto stretch_buf_size = GetBufferSize(rate);
   if (stretch_buf_size == 0)
   {
      BasicUI::ShowMessageBox(badAllocMessage);
      return {};
   }
 
   double amount = this->mAmount;
 
   auto start = track.TimeToLongSamples(t0);
   auto end = track.TimeToLongSamples(t1);
   auto len = end - start;
 
   const auto minDuration = stretch_buf_size * 2 + 1;
   if (minDuration < stretch_buf_size)
   {
      // overflow!
      BasicUI::ShowMessageBox(badAllocMessage);
      return {};
   }
 
   if (len < minDuration)
   { // error because the selection is too short
 
      float maxTimeRes = log(len.as_double()) / log(2.0);
      maxTimeRes = pow(2.0, floor(maxTimeRes) + 0.5);
      maxTimeRes = maxTimeRes / rate;
 
      using namespace BasicUI;
      if (this->IsPreviewing())
      {
         double defaultPreviewLen;
         gPrefs->Read(
            wxT("/AudioIO/EffectsPreviewLen"), &defaultPreviewLen, 6.0);
 
         if ((minDuration / mProjectRate) < defaultPreviewLen)
         {
            ShowMessageBox(
               /* i18n-hint: 'Time Resolution' is the name of a control in the
                  Paulstretch effect.*/
               XO("Audio selection too short to preview.\n\n"
                  "Try increasing the audio selection to at least %.1f seconds,\n"
                  "or reducing the 'Time Resolution' to less than %.1f seconds.")
                  .Format(
                     (minDuration / rate) + 0.05, // round up to 1/10 s.
                     floor(maxTimeRes * 10.0) / 10.0),
               MessageBoxOptions {}.IconStyle(Icon::Warning));
         }
         else
         {
            ShowMessageBox(
               /* i18n-hint: 'Time Resolution' is the name of a control in the
                  Paulstretch effect.*/
               XO("Unable to Preview.\n\n"
                  "For the current audio selection, the maximum\n"
                  "'Time Resolution' is %.1f seconds.")
                  .Format(floor(maxTimeRes * 10.0) / 10.0),
               MessageBoxOptions {}.IconStyle(Icon::Warning));
         }
      }
      else
      {
         ShowMessageBox(
            /* i18n-hint: 'Time Resolution' is the name of a control in the
               Paulstretch effect.*/
            XO("The 'Time Resolution' is too long for the selection.\n\n"
               "Try increasing the audio selection to at least %.1f seconds,\n"
               "or reducing the 'Time Resolution' to less than %.1f seconds.")
               .Format(
                  (minDuration / rate) + 0.05, // round up to 1/10 s.
                  floor(maxTimeRes * 10.0) / 10.0),
            MessageBoxOptions {}.IconStyle(Icon::Warning));
      }
 
      return {};
   }
 
   auto dlen = len.as_double();
   double adjust_amount = dlen / (dlen - ((double)stretch_buf_size * 2.0));
   amount = 1.0 + (amount - 1.0) * adjust_amount;
 
   try
   {
      // This encloses all the allocations of buffers, including those in
      // the constructor of the PaulStretch object
 
      PaulStretch stretch(amount, stretch_buf_size, rate);
 
      auto nget = stretch.get_nsamples_for_fill();
 
      auto bufsize = stretch.poolsize;
      Floats buffer0 { bufsize };
      float* bufferptr0 = buffer0.get();
      bool first_time = true;
 
      const auto fade_len = std::min<size_t>(100, bufsize / 2 - 1);
      bool cancelled = false;
 
      {
         Floats fade_track_smps { fade_len };
         decltype(len) s = 0;
 
         while (s < len)
         {
            track.GetFloats(bufferptr0, start + s, nget);
            stretch.process(buffer0.get(), nget);
 
            if (first_time)
            {
               stretch.process(buffer0.get(), 0);
            };
 
            s += nget;
 
            if (first_time)
            { // blend the start of the selection
               track.GetFloats(fade_track_smps.get(), start, fade_len);
               first_time = false;
               for (size_t i = 0; i < fade_len; i++)
               {
                  float fi = (float)i / (float)fade_len;
                  stretch.out_buf[i] =
                     stretch.out_buf[i] * fi + (1.0 - fi) * fade_track_smps[i];
               }
            }
            if (s >= len)
            { // blend the end of the selection
               track.GetFloats(fade_track_smps.get(), end - fade_len, fade_len);
               for (size_t i = 0; i < fade_len; i++)
               {
                  float fi = (float)i / (float)fade_len;
                  auto i2 = bufsize / 2 - 1 - i;
                  stretch.out_buf[i2] =
                     stretch.out_buf[i2] * fi +
                     (1.0 - fi) * fade_track_smps[fade_len - 1 - i];
               }
            }
 
            outputTrack.Append(
               (samplePtr)stretch.out_buf.get(), floatSample,
               stretch.out_bufsize);
 
            nget = stretch.get_nsamples();
            if (TrackProgress(count, s.as_double() / len.as_double()))
            {
               cancelled = true;
               break;
            }
         }
      }
 
      if (!cancelled)
         return true;
   }
   catch (const std::bad_alloc&)
   {
      BasicUI::ShowMessageBox(badAllocMessage);
   }
   return false;
};

References WaveChannel::Append(), details::end(), floatSample, PaulStretch::get_nsamples(), PaulStretch::get_nsamples_for_fill(), GetBufferSize(), WaveChannel::GetFloats(), WaveTrack::GetRate(), WaveChannel::GetTrack(), gPrefs, BasicUI::MessageBoxOptions::IconStyle(), EffectBase::IsPreviewing(), mAmount, EffectBase::mProjectRate, PaulStretch::out_buf, PaulStretch::out_bufsize, PaulStretch::poolsize, PaulStretch::process(), audacity::BasicSettings::Read(), BasicUI::ShowMessageBox(), WideSampleSequence::TimeToLongSamples(), Effect::TrackProgress(), wxT(), and XO().

Referenced by Process().

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Member Data Documentation

◆ Amount

constexpr EffectParameter PaulstretchBase::Amount

staticconstexprprotected

Initial value:

{
      &PaulstretchBase::mAmount, L"Stretch Factor", 10.0f, 1.0, FLT_MAX, 1
   }

Definition at line 60 of file PaulstretchBase.h.

◆ mAmount

float PaulstretchBase::mAmount

protected

Definition at line 55 of file PaulstretchBase.h.

Referenced by CalcPreviewInputLength(), and ProcessOne().

◆ mTime_resolution

float PaulstretchBase::mTime_resolution

protected

Definition at line 56 of file PaulstretchBase.h.

Referenced by GetBufferSize().

◆ Symbol

const ComponentInterfaceSymbol PaulstretchBase::Symbol { XO("Paulstretch") }

static

Definition at line 25 of file PaulstretchBase.h.

Referenced by GetSymbol().

◆ Time

constexpr EffectParameter PaulstretchBase::Time

staticconstexprprotected

Initial value:

{ &PaulstretchBase::mTime_resolution,
                                           L"Time Resolution",
                                           0.25f,
                                           0.00099f,
                                           FLT_MAX,
                                           1 }

Definition at line 63 of file PaulstretchBase.h.

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

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Static Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PaulstretchBase()

◆ ~PaulstretchBase()

Member Function Documentation

◆ CalcPreviewInputLength()

◆ FetchParameters()

◆ GetBufferSize()

◆ GetDescription()

◆ GetSymbol()

◆ GetType()

◆ ManualPage()

◆ Parameters()

◆ Process()

◆ ProcessOne()

Member Data Documentation

◆ Amount

◆ mAmount

◆ mTime_resolution

◆ Symbol

◆ Time