466e9c179e
It combines the old IdentInterface with the ParamsInterface, providing an identifier and parameters (if needed). The main purpose of the change is to make the class hierarchy (as viewed via doxygen) much easier to follow.
146 lines
3.8 KiB
C++
146 lines
3.8 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Wahwah
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Effect programming:
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Nasca Octavian Paul (Paul Nasca)
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UI programming:
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Dominic Mazzoni (with the help of wxDesigner)
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Vaughan Johnson (Preview)
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_WAHWAH__
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#define __AUDACITY_EFFECT_WAHWAH__
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#include <wx/event.h>
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#include <wx/slider.h>
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#include <wx/string.h>
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#include <wx/textctrl.h>
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#include "Effect.h"
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class ShuttleGui;
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#define WAHWAH_PLUGIN_SYMBOL ComponentInterfaceSymbol{ XO("Wahwah") }
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class EffectWahwahState
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{
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public:
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float samplerate;
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double depth;
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double freqofs;
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double phase;
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double outgain;
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double lfoskip;
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unsigned long skipcount;
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double xn1, xn2, yn1, yn2;
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double b0, b1, b2, a0, a1, a2;
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};
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class EffectWahwah final : public Effect
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{
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public:
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EffectWahwah();
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virtual ~EffectWahwah();
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// ComponentInterface implementation
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ComponentInterfaceSymbol GetSymbol() override;
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wxString GetDescription() override;
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wxString ManualPage() override;
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// EffectDefinitionInterface implementation
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EffectType GetType() override;
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bool SupportsRealtime() 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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bool RealtimeInitialize() override;
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bool RealtimeAddProcessor(unsigned numChannels, float sampleRate) override;
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bool RealtimeFinalize() override;
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size_t RealtimeProcess(int group,
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float **inbuf,
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float **outbuf,
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size_t numSamples) 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 TransferDataToWindow() override;
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bool TransferDataFromWindow() override;
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private:
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// EffectWahwah implementation
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void InstanceInit(EffectWahwahState & data, float sampleRate);
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size_t InstanceProcess(EffectWahwahState & data, float **inBlock, float **outBlock, size_t blockLen);
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void OnFreqSlider(wxCommandEvent & evt);
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void OnPhaseSlider(wxCommandEvent & evt);
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void OnDepthSlider(wxCommandEvent & evt);
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void OnResonanceSlider(wxCommandEvent & evt);
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void OnFreqOffSlider(wxCommandEvent & evt);
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void OnGainSlider(wxCommandEvent & evt);
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void OnFreqText(wxCommandEvent & evt);
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void OnPhaseText(wxCommandEvent & evt);
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void OnDepthText(wxCommandEvent & evt);
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void OnResonanceText(wxCommandEvent & evt);
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void OnFreqOffText(wxCommandEvent & evt);
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void OnGainText(wxCommandEvent & evt);
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private:
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EffectWahwahState mMaster;
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std::vector<EffectWahwahState> mSlaves;
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/* Parameters:
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mFreq - LFO frequency
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mPhase - LFO startphase in RADIANS - useful for stereo WahWah
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mDepth - Wah depth
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mRes - Resonance
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mFreqOfs - Wah frequency offset
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mOutGain - output gain
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!!!!!!!!!!!!! IMPORTANT!!!!!!!!! :
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mDepth and mFreqOfs should be from 0(min) to 1(max) !
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mRes should be greater than 0 ! */
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double mFreq;
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double mPhase;
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int mDepth;
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double mRes;
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int mFreqOfs;
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double mOutGain;
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wxTextCtrl *mFreqT;
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wxTextCtrl *mPhaseT;
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wxTextCtrl *mDepthT;
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wxTextCtrl *mResT;
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wxTextCtrl *mFreqOfsT;
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wxTextCtrl *mOutGainT;
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wxSlider *mFreqS;
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wxSlider *mPhaseS;
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wxSlider *mDepthS;
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wxSlider *mResS;
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wxSlider *mFreqOfsS;
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wxSlider *mOutGainS;
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DECLARE_EVENT_TABLE()
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};
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#endif
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