28#include "../ShuttleGui.h"
29#include "../widgets/AudacityMessageBox.h"
30#include "../widgets/valnum.h"
60 const float*
const* inBlock,
float*
const* outBlock,
size_t blockLen)
override;
73 return std::make_shared<Instance>(*
this);
97 return XO(
"Repeats the selected audio again and again");
127 if (echoSettings.delay == 0.0)
139 if (requestedHistLen !=
140 (
histLen =
static_cast<size_t>(requestedHistLen.as_long_long())))
141 throw std::bad_alloc{};
144 catch (
const std::bad_alloc& ) {
158 const float *
const *inBlock,
float *
const *outBlock,
size_t blockLen)
162 const float *ibuf = inBlock[0];
163 float *obuf = outBlock[0];
165 for (
decltype(blockLen) i = 0; i < blockLen; i++, histPos++)
167 if (histPos == histLen)
171 history[histPos] = obuf[i] = ibuf[i] + history[histPos] * echoSettings.decay;
206 auto result = std::make_unique<Validator>(*
this, access, myEffSettings);
207 result->PopulateOrExchange(
S);
214 auto& echoSettings = mSettings;
218 S.StartMultiColumn(2, wxALIGN_CENTER);
220 S.Validator<FloatingPointValidator<double>>(
221 3, &echoSettings.delay, NumValidatorStyle::NO_TRAILING_ZEROES,
223 .AddTextBox(
XXO(
"&Delay time (seconds):"), L
"", 10);
225 S.Validator<FloatingPointValidator<double>>(
226 3, &echoSettings.decay, NumValidatorStyle::NO_TRAILING_ZEROES,
228 .AddTextBox(
XXO(
"D&ecay factor:"), L
"", 10);
236 mAccess.ModifySettings
253 const auto&
settings = mAccess.Get();
enum ChannelName * ChannelNames
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,...
Default implementation of EffectUIValidator invokes ValidateUI method of an EffectUIClientInterface.
void SetLinearEffectFlag(bool linearEffectFlag)
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
Performs effect computation.
Inherit to add a state variable to an EffectInstance subclass.
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....
EffectUIClientInterface & mEffect
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 ProcessFinalize(void) override
bool ProcessInitialize(EffectSettings &settings, sampleCount totalLen, ChannelNames chanMap) 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.