28#include "../ShuttleGui.h"
29#include "../widgets/AudacityMessageBox.h"
30#include "../widgets/valnum.h"
58 const float*
const* inBlock,
float*
const* outBlock,
size_t blockLen)
override;
71 return std::make_shared<Instance>(*
this);
95 return XO(
"Repeats the selected audio again and again");
124 if (echoSettings.delay == 0.0)
128 auto requestedHistLen = (
sampleCount) (sampleRate * echoSettings.delay);
134 if (requestedHistLen !=
135 (
histLen =
static_cast<size_t>(requestedHistLen.as_long_long())))
136 throw std::bad_alloc{};
139 catch (
const std::bad_alloc& ) {
153 const float *
const *inBlock,
float *
const *outBlock,
size_t blockLen)
157 const float *ibuf = inBlock[0];
158 float *obuf = outBlock[0];
160 for (
decltype(blockLen) i = 0; i < blockLen; i++,
histPos++)
187 bool UpdateUI()
override;
201 auto result = std::make_unique<Validator>(*
this, access, myEffSettings);
202 result->PopulateOrExchange(
S);
209 auto& echoSettings = mSettings;
213 S.StartMultiColumn(2, wxALIGN_CENTER);
215 S.Validator<FloatingPointValidator<double>>(
216 3, &echoSettings.delay, NumValidatorStyle::NO_TRAILING_ZEROES,
218 .AddTextBox(
XXO(
"&Delay time (seconds):"), L
"", 10);
220 S.Validator<FloatingPointValidator<double>>(
221 3, &echoSettings.decay, NumValidatorStyle::NO_TRAILING_ZEROES,
223 .AddTextBox(
XXO(
"D&ecay factor:"), L
"", 10);
231 mAccess.ModifySettings
248 const auto&
settings = mAccess.Get();
static Settings & settings()
void reinit(Integral count, bool initialize=false)
Generates EffectParameterMethods overrides from variadic template arguments.
ComponentInterfaceSymbol pairs a persistent string identifier used internally with an optional,...
void SetLinearEffectFlag(bool linearEffectFlag)
An Effect that causes an echo, variable delay and volume.
static const ComponentInterfaceSymbol Symbol
TranslatableString GetDescription() const override
ComponentInterfaceSymbol GetSymbol() const override
std::shared_ptr< EffectInstance > MakeInstance() const override
Make an object maintaining short-term state of an Effect.
ManualPageID ManualPage() const override
Name of a page in the Audacity alpha manual, default is empty.
unsigned GetAudioOutCount() const override
How many output buffers to allocate at once.
static constexpr EffectParameter Decay
const EffectParameterMethods & Parameters() const override
EffectType GetType() const override
Type determines how it behaves.
static constexpr EffectParameter Delay
unsigned GetAudioInCount() const override
How many input buffers to allocate at once.
std::unique_ptr< EffectUIValidator > PopulateOrExchange(ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access) override
Add controls to effect panel; always succeeds.
Base class for many of the effects in Audacity.
int MessageBox(const TranslatableString &message, long style=DefaultMessageBoxStyle, const TranslatableString &titleStr={}) const
bool ValidateUI(EffectSettings &) override
Performs effect computation.
Inherit to add a state variable to an EffectInstance subclass.
Interface for manipulations of an Effect's settings.
virtual const EffectSettings & Get()=0
EffectUIClientInterface is an abstract base class to populate a UI and validate UI values....
Interface for transferring values from a panel of effect controls.
static EffectEchoSettings & GetSettings(EffectSettings &settings)
Assume settings originated from MakeSettings() and copies thereof.
const PerTrackEffect & mProcessor
Base class for many of the effects in Audacity.
Derived from ShuttleGuiBase, an Audacity specific class for shuttling data to and from GUI.
Holds a msgid for the translation catalog; may also bind format arguments.
Positions or offsets within audio files need a wide type.
BuiltinEffectsModule::Registration< EffectEcho > reg
bool ProcessInitialize(EffectSettings &settings, double sampleRate, ChannelNames chanMap) override
bool ProcessFinalize() noexcept override
size_t ProcessBlock(EffectSettings &settings, const float *const *inBlock, float *const *outBlock, size_t blockLen) override
Called for destructive effect computation.
Instance(const PerTrackEffect &effect)
EffectEchoSettings mSettings
bool UpdateUI() override
Update appearance of the panel for changes in settings.
virtual ~Validator()=default
void PopulateOrExchange(ShuttleGui &S)
Validator(EffectUIClientInterface &effect, EffectSettingsAccess &access, const EffectEchoSettings &settings)
bool ValidateUI() override
Get settings data from the panel; may make error dialogs and return false.
Effect & GetEffect() const
const Type min
Minimum value.
const Type max
Maximum value.
Externalized state of a plug-in.