96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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ToneGen.h
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Steve Jolly
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This class implements a tone generator effect.
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_TONEGEN__
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#define __AUDACITY_EFFECT_TONEGEN__
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#include "Effect.h"
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class NumericTextCtrl;
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class ShuttleGui;
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class EffectToneGen : public Effect
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{
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public:
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EffectToneGen(bool isChirp);
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virtual ~EffectToneGen();
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// ComponentInterface implementation
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ComponentInterfaceSymbol GetSymbol() override;
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TranslatableString GetDescription() override;
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ManualPageID ManualPage() override;
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// EffectDefinitionInterface implementation
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EffectType GetType() override;
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// EffectClientInterface implementation
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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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bool DefineParams( ShuttleParams & S ) override;
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bool GetAutomationParameters(CommandParameters & parms) override;
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bool SetAutomationParameters(CommandParameters & parms) override;
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// Effect implementation
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void PopulateOrExchange(ShuttleGui & S) override;
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bool TransferDataFromWindow() override;
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bool TransferDataToWindow() override;
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private:
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// EffectToneGen implementation
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void OnControlUpdate(wxCommandEvent & evt);
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private:
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bool mChirp;
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// mSample is an external placeholder to remember the last "buffer"
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// position so we use it to reinitialize from where we left
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sampleCount mSample;
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double mPositionInCycles;
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// If we made these static variables,
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// Tone and Chirp would share the same parameters.
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int mWaveform;
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int mInterpolation;
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double mFrequency[2];
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double mAmplitude[2];
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double mLogFrequency[2];
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NumericTextCtrl *mToneDurationT;
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DECLARE_EVENT_TABLE()
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};
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class EffectChirp final : public EffectToneGen
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{
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public:
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static const ComponentInterfaceSymbol Symbol;
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EffectChirp() : EffectToneGen{ true } {}
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};
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class EffectTone final : public EffectToneGen
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{
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public:
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static const ComponentInterfaceSymbol Symbol;
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EffectTone() : EffectToneGen{ false } {}
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};
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#endif
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