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https://github.com/cookiengineer/audacity
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990080ae7d
... for functions in final classes. override is like const -- it's not necessary, but it helps the compiler to catch mistakes. There may be some overriding functions not explicitly declared virtual and I did not identify such cases, in which I might also add override.
86 lines
2.0 KiB
C++
86 lines
2.0 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 <wx/arrstr.h>
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#include <wx/string.h>
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#include "../widgets/NumericTextCtrl.h"
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#include "Effect.h"
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class ShuttleGui;
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#define CHIRP_PLUGIN_SYMBOL XO("Chirp")
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#define TONE_PLUGIN_SYMBOL XO("Tone")
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class EffectToneGen final : 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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// IdentInterface implementation
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wxString GetSymbol() override;
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wxString GetDescription() override;
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// EffectIdentInterface implementation
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EffectType GetType() override;
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// EffectClientInterface implementation
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int GetAudioOutCount() override;
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bool ProcessInitialize(sampleCount totalLen, ChannelNames chanMap = NULL) override;
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sampleCount ProcessBlock(float **inBlock, float **outBlock, sampleCount blockLen) override;
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bool GetAutomationParameters(EffectAutomationParameters & parms) override;
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bool SetAutomationParameters(EffectAutomationParameters & parms) override;
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// Effect implementation
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void PopulateOrExchange(ShuttleGui & S);
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bool TransferDataFromWindow();
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bool TransferDataToWindow();
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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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wxArrayString mWaveforms;
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wxArrayString mInterpolations;
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NumericTextCtrl *mToneDurationT;
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DECLARE_EVENT_TABLE();
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};
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#endif
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