Audacity 3.2.0
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | Protected Attributes | Static Protected Attributes | List of all members
RepeatBase Class Reference

#include <RepeatBase.h>

Inheritance diagram for RepeatBase:
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Collaboration diagram for RepeatBase:
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Public Member Functions

 RepeatBase ()
 
virtual ~RepeatBase ()
 
ComponentInterfaceSymbol GetSymbol () const override
 
TranslatableString GetDescription () const override
 
ManualPageID ManualPage () const override
 Name of a page in the Audacity alpha manual, default is empty. More...
 
EffectType GetType () const override
 Type determines how it behaves. More...
 
bool Process (EffectInstance &instance, EffectSettings &settings) override
 
bool NeedsDither () const override
 
- Public Member Functions inherited from StatefulEffect
 ~StatefulEffect () override
 
std::shared_ptr< EffectInstanceMakeInstance () 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 EffectParameterMethodsParameters () const
 
bool CanExportPresets () const override
 Whether the effect supports export of presets to files, and importing too. More...
 
bool HasOptions () const override
 
const EffectSettingsManagerGetDefinition () 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
EffectPluginoperator= (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 EffectSettingsManagerGetDefinition () 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< EffectInstanceMakeInstance () 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< EffectOutputsMakeOutputs () 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 RepeatBaseFetchParameters (RepeatBase &e, EffectSettings &)
 
- Static Public Member Functions inherited from Effect
static EffectFetchParameters (Effect &e, EffectSettings &)
 
- Static Public Member Functions inherited from EffectBase
static std::optional< InstancePointerFindInstance (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("Repeat") }
 
- Static Public Attributes inherited from EffectPlugin
static const wxString kUserPresetIdent = wxT("User Preset:")
 
static const wxString kFactoryPresetIdent = wxT("Factory Preset:")
 
static const wxString kCurrentSettingsIdent = wxT("<Current Settings>")
 
static const wxString kFactoryDefaultsIdent = wxT("<Factory Defaults>")
 

Protected Member Functions

const EffectParameterMethodsParameters () 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 TrackListinputTracks () const
 
const AudacityProjectFindProject () const
 

Protected Attributes

int repeatCount
 
- Protected Attributes inherited from EffectBase
double mF0 {}
 
double mF1 {}
 
wxArrayString mPresetNames
 
unsigned mUIFlags { 0 }
 

Static Protected Attributes

static constexpr EffectParameter Count
 

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< TrackListmTracks {}
 
int mNumTracks {}
 
BasicUI::ProgressDialogmProgress {}
 
double mProjectRate {}
 
WaveTrackFactorymFactory {}
 
double mT0 {}
 
double mT1 {}
 
bool mIsPreview { false }
 

Detailed Description

Definition at line 6 of file RepeatBase.h.

Constructor & Destructor Documentation

◆ RepeatBase()

RepeatBase::RepeatBase ( )

Definition at line 17 of file RepeatBase.cpp.

18{
19 Parameters().Reset(*this);
21}
void SetLinearEffectFlag(bool linearEffectFlag)
Definition: EffectBase.cpp:210
virtual void Reset(Effect &effect) const =0
const EffectParameterMethods & Parameters() const override
Definition: RepeatBase.cpp:9

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

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◆ ~RepeatBase()

RepeatBase::~RepeatBase ( )
virtual

Definition at line 23 of file RepeatBase.cpp.

24{
25}

Member Function Documentation

◆ FetchParameters()

static RepeatBase * RepeatBase::FetchParameters ( RepeatBase e,
EffectSettings  
)
inlinestatic

Definition at line 10 of file RepeatBase.h.

10{ return &e; }

◆ GetDescription()

TranslatableString RepeatBase::GetDescription ( ) const
overridevirtual

Implements ComponentInterface.

Definition at line 34 of file RepeatBase.cpp.

35{
36 return XO("Repeats the selection the specified number of times");
37}
XO("Cut/Copy/Paste")

References XO().

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◆ GetSymbol()

ComponentInterfaceSymbol RepeatBase::GetSymbol ( ) const
overridevirtual

Implements ComponentInterface.

Definition at line 29 of file RepeatBase.cpp.

30{
31 return Symbol;
32}
static const ComponentInterfaceSymbol Symbol
Definition: RepeatBase.h:11

References Symbol.

◆ GetType()

EffectType RepeatBase::GetType ( ) const
overridevirtual

Type determines how it behaves.

Implements EffectDefinitionInterface.

Definition at line 46 of file RepeatBase.cpp.

47{
48 return EffectTypeProcess;
49}
@ EffectTypeProcess

References EffectTypeProcess.

Referenced by Process().

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◆ ManualPage()

ManualPageID RepeatBase::ManualPage ( ) const
overridevirtual

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

Reimplemented from EffectDefinitionInterface.

Definition at line 39 of file RepeatBase.cpp.

40{
41 return L"Repeat";
42}

◆ NeedsDither()

bool RepeatBase::NeedsDither ( ) const
overridevirtual

Reimplemented from StatefulEffectBase.

Definition at line 157 of file RepeatBase.cpp.

158{
159 return false;
160}

◆ Parameters()

const EffectParameterMethods & RepeatBase::Parameters ( ) const
overrideprotectedvirtual

Reimplemented from Effect.

Definition at line 9 of file RepeatBase.cpp.

10{
12 return parameters;
13}
Generates EffectParameterMethods overrides from variadic template arguments.

Referenced by RepeatBase().

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◆ Process()

bool RepeatBase::Process ( EffectInstance instance,
EffectSettings settings 
)
overridevirtual

Implements StatefulEffectBase.

Definition at line 53 of file RepeatBase.cpp.

54{
55 // Set up mOutputTracks.
56 // This effect needs all for sync-lock grouping.
57 EffectOutputTracks outputs { *mTracks, GetType(), { { mT0, mT1 } }, true };
58
59 int nTrack = 0;
60 bool bGoodResult = true;
61 double maxDestLen = 0.0; // used to change selection to generated bit
62
63 outputs.Get().Any().VisitWhile(
64 bGoodResult,
65 [&](LabelTrack& track) {
67 {
68 if (!track.Repeat(mT0, mT1, repeatCount))
69 bGoodResult = false;
70 }
71 },
72 [&](auto&& fallthrough) {
73 return [&](WaveTrack& track) {
74 if (!track.GetSelected())
75 return fallthrough(); // Fall through to next lambda
76 auto start = track.TimeToLongSamples(mT0);
77 auto end = track.TimeToLongSamples(mT1);
78 auto len = end - start;
79 const double tLen = track.LongSamplesToTime(len);
80 const double tc = mT0 + tLen;
81
82 if (len <= 0)
83 return;
84
85 auto firstTemp =
86 std::static_pointer_cast<WaveTrack>(track.Copy(mT0, mT1));
87
88 auto t0 = tc;
89 for (size_t j = 0; j < repeatCount; ++j)
90 {
91 if (TrackProgress(nTrack, j / repeatCount))
92 {
93 // TrackProgress returns true on Cancel.
94 bGoodResult = false;
95 return;
96 }
97 track.Paste(t0, *firstTemp);
98 t0 += tLen;
99 }
100 if (t0 > maxDestLen)
101 maxDestLen = t0;
102
103 const auto compareIntervals = [](const auto& a, const auto& b) {
104 return a->Start() < b->Start();
105 };
106
107 const auto eps = 0.5 / track.GetRate();
108 auto sortedIntervals =
109 std::vector(track.Intervals().begin(), track.Intervals().end());
110 auto sourceIntervals = std::vector(
111 firstTemp->Intervals().begin(), firstTemp->Intervals().end());
112 std::sort(
113 sortedIntervals.begin(), sortedIntervals.end(),
114 compareIntervals);
115 std::sort(
116 sourceIntervals.begin(), sourceIntervals.end(),
117 compareIntervals);
118 for (auto it = sortedIntervals.begin(); it != sortedIntervals.end();
119 ++it)
120 {
121 const auto& interval = *it;
122 // Find first pasted interval
123 if (std::abs((*it)->GetPlayStartTime() - tc) > eps)
124 continue;
125
126 // Fix pasted clips names
127 for (int j = 0; j < repeatCount; ++j)
128 {
129 for (const auto& src : sourceIntervals)
130 {
131 if (it == sortedIntervals.end())
132 break;
133 (*it++)->SetName(src->GetName());
134 }
135 }
136 break;
137 }
138 nTrack++;
139 };
140 },
141 [&](Track& t) {
143 t.SyncLockAdjust(mT1, mT1 + (mT1 - mT0) * repeatCount);
144 });
145
146 if (bGoodResult)
147 {
148 // Select the NEW bits + original bit
149 mT1 = maxDestLen;
150 }
151
152 if (bGoodResult)
153 outputs.Commit();
154 return bGoodResult;
155}
IteratorRange< IntervalIterator< IntervalType > > Intervals()
Get range of intervals with mutative access.
Definition: Channel.h:248
double mT1
Definition: EffectBase.h:123
std::shared_ptr< TrackList > mTracks
Definition: EffectBase.h:116
double mT0
Definition: EffectBase.h:122
bool TrackProgress(int whichTrack, double frac, const TranslatableString &={}) const
Definition: Effect.cpp:343
Use this object to copy the input tracks to tentative outputTracks.
A LabelTrack is a Track that holds labels (LabelStruct).
Definition: LabelTrack.h:98
bool Repeat(double t0, double t1, int n)
Definition: LabelTrack.cpp:935
void Paste(double t, const Track &src) override
Weak precondition allows overrides to replicate one channel into many.
Definition: LabelTrack.cpp:918
Track::Holder Copy(double t0, double t1, bool forClipboard=true) const override
Create new tracks and don't modify this track.
Definition: LabelTrack.cpp:837
EffectType GetType() const override
Type determines how it behaves.
Definition: RepeatBase.cpp:46
int repeatCount
Definition: RepeatBase.h:34
static bool IsSelectedOrSyncLockSelected(const Track &track)
Definition: SyncLock.cpp:104
static bool IsSyncLockSelected(const Track &track)
Definition: SyncLock.cpp:80
Abstract base class for an object holding data associated with points on a time axis.
Definition: Track.h:110
bool GetSelected() const
Selectedness is always the same for all channels of a group.
Definition: Track.cpp:78
A Track that contains audio waveform data.
Definition: WaveTrack.h:203
const char * end(const char *str) noexcept
Definition: StringUtils.h:106

References LabelTrack::Copy(), details::end(), Track::GetSelected(), GetType(), Channel::Intervals(), SyncLock::IsSelectedOrSyncLockSelected(), SyncLock::IsSyncLockSelected(), EffectBase::mT0, EffectBase::mT1, EffectBase::mTracks, LabelTrack::Paste(), LabelTrack::Repeat(), repeatCount, and Effect::TrackProgress().

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Member Data Documentation

◆ Count

constexpr EffectParameter RepeatBase::Count
staticconstexprprotected
Initial value:
L"Count",1, 1, INT_MAX, 1 }

Definition at line 38 of file RepeatBase.h.

◆ repeatCount

int RepeatBase::repeatCount
protected

◆ Symbol

const ComponentInterfaceSymbol RepeatBase::Symbol { XO("Repeat") }
static

Definition at line 11 of file RepeatBase.h.

Referenced by GetSymbol().


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