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Audacity 3.2.0
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Audacity 3.2.0
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An Effect that causes an echo, variable delay and volume. More...
#include <Echo.h>
Classes | |
| struct | Editor |
Public Member Functions | |
| std::unique_ptr< EffectEditor > | MakeEditor (ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const override |
| Called only from PopulateUI, to add controls to effect panel. More... | |
| std::shared_ptr< EffectInstance > | MakeInstance () const override |
| Make an object maintaining short-term state of an Effect. More... | |
 Public Member Functions inherited from EchoBase | |
| EchoBase () | |
| virtual | ~EchoBase () |
| 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... | |
| Public Member Functions inherited from EffectWithSettings< EchoSettings, PerTrackEffect > | |
| EffectSettings | MakeSettings () const override |
| bool | CopySettingsContents (const EffectSettings &src, EffectSettings &dst) const override |
| Public Member Functions inherited from PerTrackEffect | |
| ~PerTrackEffect () override | |
| Public Member Functions inherited from Effect | |
| Effect () | |
| virtual | ~Effect () |
| PluginPath | GetPath () const override |
| bool | VisitSettings (SettingsVisitor &visitor, EffectSettings &settings) override |
| bool | VisitSettings (ConstSettingsVisitor &visitor, const EffectSettings &settings) const override |
| ComponentInterfaceSymbol | GetSymbol () const override |
| VendorSymbol | GetVendor () const override |
| wxString | GetVersion () const override |
| TranslatableString | GetDescription () const override |
| EffectFamilySymbol | GetFamily () const override |
| Report identifier and user-visible name of the effect protocol. More... | |
| bool | IsInteractive () const override |
| Whether the effect needs a dialog for entry of settings. More... | |
| bool | IsDefault () const override |
| Whether the effect sorts "above the line" in the menus. More... | |
| RealtimeSince | RealtimeSupport () const override |
| Since which version of Audacity has the effect supported realtime? More... | |
| bool | SupportsAutomation () const override |
| Whether the effect has any automatable controls. More... | |
| bool | SaveSettings (const EffectSettings &settings, CommandParameters &parms) const override |
| Store settings as keys and values. More... | |
| bool | LoadSettings (const CommandParameters &parms, EffectSettings &settings) const override |
| Restore settings from keys and values. More... | |
| OptionalMessage | LoadUserPreset (const RegistryPath &name, EffectSettings &settings) const override |
| bool | SaveUserPreset (const RegistryPath &name, const EffectSettings &settings) const override |
| Save settings in the configuration file as a user-named preset. More... | |
| RegistryPaths | GetFactoryPresets () const override |
| Report names of factory presets. More... | |
| OptionalMessage | LoadFactoryPreset (int id, EffectSettings &settings) const override |
| OptionalMessage | LoadFactoryDefaults (EffectSettings &settings) const override |
| virtual const EffectParameterMethods & | Parameters () const |
| bool | CanExportPresets () const override |
| Whether the effect supports export of presets to files, and importing too. More... | |
| bool | HasOptions () const override |
| const EffectSettingsManager & | GetDefinition () const override |
| virtual NumericFormatID | GetSelectionFormat () |
| bool | SaveSettingsAsString (const EffectSettings &settings, wxString &parms) const override |
| OptionalMessage | LoadSettingsFromString (const wxString &parms, EffectSettings &settings) const override |
| bool | IsBatchProcessing () const override |
| void | SetBatchProcessing () override |
| void | UnsetBatchProcessing () override |
| unsigned | TestUIFlags (unsigned mask) |
| bool | Delegate (Effect &delegate, EffectSettings &settings, InstanceFinder finder={}) |
| Re-invoke DoEffect on another Effect object that implements the work. More... | |
| Public Member Functions inherited from EffectBase | |
| EffectBase () | |
| ~EffectBase () override | |
| bool | IsLinearEffect () const |
| bool | PreviewsFullSelection () const |
| void | SetTracks (TrackList *pTracks) |
| double | GetDefaultDuration () |
| virtual std::any | BeginPreview (const EffectSettings &settings) |
| Called when Preview() starts, to allow temporary effect state changes. More... | |
| bool | DoEffect (EffectSettings &settings, const InstanceFinder &finder, double projectRate, TrackList *list, WaveTrackFactory *factory, NotifyingSelectedRegion &selectedRegion, unsigned flags, const EffectSettingsAccessPtr &pAccess) override |
| virtual double | CalcPreviewInputLength (const EffectSettings &settings, double previewLength) const =0 |
| void | CountWaveTracks () |
| Public Member Functions inherited from EffectPlugin | |
| EffectPlugin & | operator= (EffectPlugin &)=delete |
| virtual | ~EffectPlugin () |
| virtual bool | HasOptions () const =0 |
| virtual bool | CanExportPresets () const =0 |
| Whether the effect supports export of presets to files, and importing too. More... | |
| virtual const EffectSettingsManager & | GetDefinition () const =0 |
| virtual bool | SaveSettingsAsString (const EffectSettings &settings, wxString &parms) const =0 |
| virtual OptionalMessage | LoadSettingsFromString (const wxString &parms, EffectSettings &settings) const =0 |
| virtual bool | IsBatchProcessing () const =0 |
| virtual void | SetBatchProcessing ()=0 |
| virtual void | UnsetBatchProcessing ()=0 |
| virtual bool | DoEffect (EffectSettings &settings, const InstanceFinder &finder, double projectRate, TrackList *list, WaveTrackFactory *factory, NotifyingSelectedRegion &selectedRegion, unsigned flags, const EffectSettingsAccessPtr &pAccess=nullptr)=0 |
| Public Member Functions inherited from EffectInstanceFactory | |
| virtual | ~EffectInstanceFactory () |
| virtual std::shared_ptr< EffectInstance > | MakeInstance () const =0 |
| Make an object maintaining short-term state of an Effect. More... | |
| Public Member Functions inherited from EffectSettingsManager | |
| virtual | ~EffectSettingsManager () |
| virtual bool | VisitSettings (SettingsVisitor &visitor, EffectSettings &settings) |
| virtual bool | VisitSettings (ConstSettingsVisitor &visitor, const EffectSettings &settings) const |
| 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 StatelessEffectUIServices | |
| std::unique_ptr< EffectEditor > | PopulateUI (const EffectPlugin &plugin, ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const override |
Adds controls to a panel that is given as the parent window of S More... | |
| virtual std::unique_ptr< EffectEditor > | MakeEditor (ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const =0 |
| Called only from PopulateUI, to add controls to effect panel. More... | |
| Public Member Functions inherited from BasicEffectUIServices | |
| int | ShowClientInterface (const EffectPlugin &plugin, wxWindow &parent, wxDialog &dialog, EffectEditor *pEditor, bool forceModal) const override |
| void | ExportPresets (const EffectPlugin &plugin, const EffectSettings &settings) const override |
| OptionalMessage | ImportPresets (const EffectPlugin &plugin, EffectSettings &settings) const override |
| void | ShowOptions (const EffectPlugin &plugin) const override |
| bool | ValidateUI (const EffectPlugin &context, EffectSettings &) const override |
| bool | CloseUI () const override |
| Public Member Functions inherited from EffectUIServices | |
| virtual | ~EffectUIServices () |
| virtual int | ShowHostInterface (EffectBase &plugin, wxWindow &parent, const EffectDialogFactory &factory, std::shared_ptr< EffectInstance > &pInstance, EffectSettingsAccess &access, bool forceModal=false) |
| virtual int | ShowClientInterface (const EffectPlugin &plugin, wxWindow &parent, wxDialog &dialog, EffectEditor *pEditor, bool forceModal=false) const =0 |
| virtual std::unique_ptr< EffectEditor > | PopulateUI (const EffectPlugin &plugin, ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access, const EffectOutputs *pOutputs) const =0 |
Adds controls to a panel that is given as the parent window of S More... | |
| virtual void | ExportPresets (const EffectPlugin &plugin, const EffectSettings &settings) const =0 |
| virtual OptionalMessage | ImportPresets (const EffectPlugin &plugin, EffectSettings &settings) const =0 |
| virtual void | ShowOptions (const EffectPlugin &plugin) const =0 |
| virtual bool | ValidateUI (const EffectPlugin &context, EffectSettings &settings) const =0 |
| virtual bool | CloseUI () const =0 |
Additional Inherited Members | |
| Public Types inherited from EffectPlugin | |
| using | EffectSettingsAccessPtr = std::shared_ptr< EffectSettingsAccess > |
| using | InstancePointer = std::shared_ptr< EffectInstanceEx > |
| using | InstanceFinder = std::function< std::optional< InstancePointer >(EffectSettings &settings) > |
| Public Types inherited from EffectDefinitionInterface | |
| enum class | RealtimeSince : unsigned { Never , After_3_1 , Always } |
| In which versions of Audacity was an effect realtime capable? More... | |
| Public Types inherited from EffectUIServices | |
| enum | : long { DefaultMessageBoxStyle = wxOK | wxCENTRE } |
| Static Public Member Functions inherited from EffectWithSettings< EchoSettings, PerTrackEffect > | |
| static EchoSettings & | GetSettings (EffectSettings &settings) |
| Assume settings originated from MakeSettings() and copies thereof. More... | |
| static const EchoSettings & | GetSettings (const EffectSettings &settings) |
| Assume settings originated from MakeSettings() and copies thereof. More... | |
| static EchoSettings * | FetchParameters (PerTrackEffect &, EffectSettings &s) |
| Static Public Member Functions inherited from Effect | |
| static Effect * | FetchParameters (Effect &e, EffectSettings &) |
| Static Public Member Functions inherited from EffectBase | |
| static std::optional< InstancePointer > | FindInstance (EffectPlugin &plugin) |
| static InstanceFinder | DefaultInstanceFinder (EffectPlugin &plugin) |
| Static Public Member Functions inherited from EffectDefinitionInterface | |
| static Identifier | GetSquashedName (const Identifier &ident) |
| A utility that strips spaces and CamelCases a name. More... | |
| Static Public Member Functions inherited from EffectUIServices | |
| static int | DoMessageBox (const EffectPlugin &plugin, const TranslatableString &message, long style=DefaultMessageBoxStyle, const TranslatableString &titleStr={}) |
| Public Attributes inherited from EffectBase | |
| std::shared_ptr< TrackList > | mTracks {} |
| int | mNumTracks {} |
| BasicUI::ProgressDialog * | mProgress {} |
| double | mProjectRate {} |
| WaveTrackFactory * | mFactory {} |
| double | mT0 {} |
| double | mT1 {} |
| bool | mIsPreview { false } |
| Static Public Attributes inherited from EchoBase | |
| static const ComponentInterfaceSymbol | Symbol { XO("Echo") } |
| Static Public Attributes inherited from EffectPlugin | |
| static const wxString | kUserPresetIdent = wxT("User Preset:") |
| static const wxString | kFactoryPresetIdent = wxT("Factory Preset:") |
| static const wxString | kCurrentSettingsIdent = wxT("<Current Settings>") |
| static const wxString | kFactoryDefaultsIdent = wxT("<Factory Defaults>") |
| Protected Member Functions inherited from EchoBase | |
| const EffectParameterMethods & | Parameters () const override |
| Protected Member Functions inherited from PerTrackEffect | |
| bool | DoPass1 () const |
| bool | DoPass2 () const |
| bool | Process (EffectInstance &instance, EffectSettings &settings) const |
| std::shared_ptr< EffectOutputTracks > | MakeOutputTracks () |
| void | DestroyOutputTracks () const |
| Protected Member Functions inherited from Effect | |
| bool | CheckWhetherSkipEffect (const EffectSettings &settings) const override |
| Default implementation returns false. More... | |
| double | CalcPreviewInputLength (const EffectSettings &settings, double previewLength) const override |
Default implementation returns previewLength More... | |
| bool | TotalProgress (double frac, const TranslatableString &={}) const |
| bool | TrackProgress (int whichTrack, double frac, const TranslatableString &={}) const |
| bool | TrackGroupProgress (int whichGroup, double frac, const TranslatableString &={}) const |
| int | GetNumWaveTracks () const |
| int | GetNumWaveGroups () const |
| void | GetBounds (const WaveTrack &track, sampleCount *start, sampleCount *len) |
| Protected Member Functions inherited from EffectBase | |
| virtual bool | CheckWhetherSkipEffect (const EffectSettings &settings) const =0 |
| After Init(), tell whether Process() should be skipped. More... | |
| void | SetLinearEffectFlag (bool linearEffectFlag) |
| void | SetPreviewFullSelectionFlag (bool previewDurationFlag) |
| bool | IsPreviewing () const |
| const TrackList * | inputTracks () const |
| const AudacityProject * | FindProject () const |
| Protected Attributes inherited from PerTrackEffect | |
| sampleCount | mSampleCnt {} |
| Protected Attributes inherited from EffectBase | |
| double | mF0 {} |
| double | mF1 {} |
| wxArrayString | mPresetNames |
| unsigned | mUIFlags { 0 } |
| Static Protected Attributes inherited from EchoBase | |
| static constexpr EffectParameter | Delay |
| static constexpr EffectParameter | Decay |
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overridevirtual |
Called only from PopulateUI, to add controls to effect panel.
result: result != nullptr Implements StatelessEffectUIServices.
Definition at line 56 of file Echo.cpp.
References EffectSettingsAccess::Get(), EffectWithSettings< EchoSettings, PerTrackEffect >::GetSettings(), S, and settings().
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overridevirtual |
Make an object maintaining short-term state of an Effect.
One effect may have multiple instances extant simultaneously. Instances have state, may be implemented in foreign code, and are temporary, whereas EffectSettings represents persistent effect state that can be saved and reloaded from files.
| settings | may be assumed to have a lifetime enclosing the instance's |
true (no promises that the result isn't null) Implements EffectInstanceFactory.
Definition at line 31 of file Echo.cpp.
1.9.3