95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Leveller.h
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Lynn Allan
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_LEVELER__
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#define __AUDACITY_EFFECT_LEVELER__
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#include "SimpleMono.h"
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#include <wx/choice.h>
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#include <wx/string.h>
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#include <wx/textctrl.h>
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class EffectLeveller: public EffectSimpleMono
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{
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friend class LevellerDialog;
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public:
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EffectLeveller();
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virtual wxString GetEffectName() {
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return wxString(_("Leveller..."));
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}
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virtual std::set<wxString> GetEffectCategories() {
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std::set<wxString> result;
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result.insert(wxT("http://lv2plug.in/ns/lv2core#CompressorPlugin"));
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return result;
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}
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virtual wxString GetEffectIdentifier() {
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return wxString(wxT("Leveller"));
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}
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virtual wxString GetEffectAction() {
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return wxString(_("Applying Leveller..."));
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}
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virtual bool Init();
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virtual void End();
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virtual bool CheckWhetherSkipEffect();
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virtual bool PromptUser();
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virtual bool TransferParameters( Shuttle & shuttle );
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protected:
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virtual bool ProcessSimpleMono(float *buffer, sampleCount len);
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private:
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void CalcLevellerFactors();
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int mLevellerDbChoiceIndex;
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int mLevellerNumPasses;
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double mFrameSum;
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double mLevellerDbSilenceThreshold;
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float LevelOneFrame(float frame);
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};
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//----------------------------------------------------------------------------
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// LevellerDialog
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//----------------------------------------------------------------------------
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class LevellerDialog: public EffectDialog
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{
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public:
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// constructors and destructors
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LevellerDialog(EffectLeveller *effect, wxWindow * parent);
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// method declarations
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void PopulateOrExchange(ShuttleGui & S);
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// bool TransferDataToWindow();
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// bool TransferDataFromWindow();
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private:
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// handlers
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void OnPreview( wxCommandEvent &event );
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private:
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EffectLeveller *mEffect;
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wxChoice *mLevellerDbSilenceThresholdChoice;
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wxChoice *mLevellerNumPassesChoice;
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DECLARE_EVENT_TABLE()
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public:
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int mLevellerDbChoiceIndex;
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int mLevellerNumPassesChoicIndex;
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};
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#endif
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