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/*!********************************************************************
Audacity: A Digital Audio Editor
@file AudioUnitEffectBase.h
Dominic Mazzoni
Leland Lucius
Paul Licameli split from AudioUnitEffect.h
**********************************************************************/
#ifndef AUDACITY_AUDIOUNIT_EFFECT_BASE_H
#define AUDACITY_AUDIOUNIT_EFFECT_BASE_H
#if USE_AUDIO_UNITS
#include "AudioUnitWrapper.h"
#include "PerTrackEffect.h"
constexpr auto OptionsKey = L"Options";
constexpr auto UseLatencyKey = L"UseLatency";
#define AUDIOUNITEFFECTS_VERSION wxT("1.0.0.0")
/* i18n-hint: the name of an Apple audio software protocol */
#define AUDIOUNITEFFECTS_FAMILY EffectFamilySymbol{ wxT("AudioUnit"), XO("Audio Unit") }
class AudioUnitEffectBase
: public PerTrackEffect
, public AudioUnitWrapper
{
public:
using Parameters = PackedArray::Ptr<const AudioUnitParameterID>;
AudioUnitEffectBase(const PluginPath & path,
const wxString & name, AudioComponent component,
Parameters *pParameters = nullptr,
AudioUnitEffectBase *master = nullptr);
~AudioUnitEffectBase() override;
// ComponentInterface implementation
PluginPath GetPath() const override;
ComponentInterfaceSymbol GetSymbol() const override;
VendorSymbol GetVendor() const override;
wxString GetVersion() const override;
TranslatableString GetDescription() const override;
// EffectDefinitionInterface implementation
EffectType GetType() const override;
EffectFamilySymbol GetFamily() const override;
bool IsInteractive() const override;
bool IsDefault() const override;
RealtimeSince RealtimeSupport() const override;
bool SupportsAutomation() const override;
EffectSettings MakeSettings() const override;
bool CopySettingsContents(
const EffectSettings &src, EffectSettings &dst) const override;
bool SaveSettings(
const EffectSettings &settings, CommandParameters & parms) const override;
//! May allocate memory, so should be called only in the main thread
bool LoadSettings(
const CommandParameters & parms, EffectSettings &settings) const override;
OptionalMessage LoadUserPreset(
const RegistryPath & name, EffectSettings &settings) const override;
bool SaveUserPreset(
const RegistryPath & name, const EffectSettings &settings) const override;
RegistryPaths GetFactoryPresets() const override;
OptionalMessage LoadFactoryPreset(int id, EffectSettings &settings)
const override;
bool InitializePlugin();
std::shared_ptr<EffectInstance> MakeInstance() const override;
bool CanExportPresets() const override;
bool HasOptions() const override;
// AudioUnitEffect implementation
static RegistryPath ChoosePresetKey(const EffectSettings &settings);
static RegistryPath FindPresetKey(const CommandParameters & parms);
TranslatableString Export(
const AudioUnitEffectSettings &settings, const wxString & path) const;
TranslatableString Import(
AudioUnitEffectSettings &settings, const wxString & path) const;
/*!
@param path only for formatting error messages
@return error message
*/
TranslatableString SaveBlobToConfig(const RegistryPath &group,
const wxString &path, const void *blob, size_t len,
bool allowEmpty = true) const;
void GetChannelCounts();
bool MigrateOldConfigFile(
const RegistryPath & group, EffectSettings &settings) const;
OptionalMessage
LoadPreset(const RegistryPath & group, EffectSettings &settings) const;
bool SavePreset(const RegistryPath & group,
const AudioUnitEffectSettings &settings) const;
#if defined(HAVE_AUDIOUNIT_BASIC_SUPPORT)
bool CreatePlain(wxWindow *parent);
#endif
protected:
const PluginPath mPath;
const wxString mName;
const wxString mVendor;
bool mInteractive{ false };
};
#endif
#endif
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