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/**********************************************************************
Audacity: A Digital Audio Editor
StatefulEffect.h
Dominic Mazzoni
Vaughan Johnson
Paul Licameli split from Effect.h
**********************************************************************/
#ifndef __AUDACITY_STATEFUL_EFFECT__
#define __AUDACITY_STATEFUL_EFFECT__
#include "StatefulEffectBase.h"
#include "Effect.h"
//! Subclass of Effect, to be eliminated after all of its subclasses
//! are rewritten to be stateless
class EFFECTS_API StatefulEffect : public StatefulEffectBase, public Effect
{
public:
class EFFECTS_API Instance : public StatefulEffectBase::Instance {
public:
using StatefulEffectBase::Instance::Instance;
bool Process(EffectSettings &settings) override;
SampleCount GetLatency(
const EffectSettings &settings, double sampleRate) const override;
//! Default implementation fails (returns 0 always)
size_t ProcessBlock(EffectSettings &settings,
const float *const *inBlock, float *const *outBlock, size_t blockLen)
override;
};
~StatefulEffect() override;
std::shared_ptr<EffectInstance> MakeInstance() const override;
};
#endif
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