63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Fade.h
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Dominic Mazzoni
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_FADE__
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#define __AUDACITY_EFFECT_FADE__
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#include "Effect.h"
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#define FADEIN_PLUGIN_SYMBOL ComponentInterfaceSymbol{ XO("Fade In") }
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#define FADEOUT_PLUGIN_SYMBOL ComponentInterfaceSymbol{ XO("Fade Out") }
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class EffectFade : public Effect
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{
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public:
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EffectFade(bool fadeIn = false);
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virtual ~EffectFade();
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// ComponentInterface implementation
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ComponentInterfaceSymbol GetSymbol() override;
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TranslatableString GetDescription() override;
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// EffectDefinitionInterface implementation
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EffectType GetType() override;
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bool IsInteractive() override;
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// EffectClientInterface implementation
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unsigned GetAudioInCount() override;
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unsigned GetAudioOutCount() override;
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bool ProcessInitialize(sampleCount totalLen, ChannelNames chanMap = NULL) override;
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size_t ProcessBlock(float **inBlock, float **outBlock, size_t blockLen) override;
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private:
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// EffectFade implementation
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bool mFadeIn;
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sampleCount mSample;
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};
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class EffectFadeIn final : public EffectFade
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{
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public:
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EffectFadeIn() : EffectFade{ true } {}
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};
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class EffectFadeOut final : public EffectFade
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{
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public:
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EffectFadeOut() : EffectFade{ false } {}
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};
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#endif
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