139 lines
3.2 KiB
C++
139 lines
3.2 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Normalize.h
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Dominic Mazzoni
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Vaughan Johnson (Preview)
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_NORMALIZE__
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#define __AUDACITY_EFFECT_NORMALIZE__
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#include "Effect.h"
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#include <wx/checkbox.h>
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#include <wx/stattext.h>
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#include <wx/textctrl.h>
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class wxString;
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class WaveTrack;
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class EffectNormalize: public Effect
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{
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friend class NormalizeDialog;
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public:
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EffectNormalize();
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virtual wxString GetEffectName() {
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return wxString(_("Normalize..."));
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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#UtilityPlugin"));
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result.insert(wxT("http://lv2plug.in/ns/lv2core#AmplifierPlugin"));
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return result;
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}
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// This is just used internally, users should not see it. Do not translate.
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virtual wxString GetEffectIdentifier() {
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return wxT("Normalize");
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}
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virtual wxString GetEffectAction() {
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return wxString(_("Normalizing..."));
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}
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virtual wxString GetEffectDescription(); // useful only after parameter values have been set
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virtual bool PromptUser();
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virtual bool TransferParameters( Shuttle & shuttle );
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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 Process();
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private:
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bool ProcessOne(WaveTrack * t, wxString msg);
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virtual void AnalyseTrack(WaveTrack * track, wxString msg);
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virtual void AnalyzeData(float *buffer, sampleCount len);
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bool AnalyseDC(WaveTrack * track, wxString msg);
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virtual void ProcessData(float *buffer, sampleCount len);
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bool mGain;
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bool mDC;
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double mLevel;
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bool mStereoInd;
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int mCurTrackNum;
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double mCurT0;
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double mCurT1;
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float mMult;
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float mOffset;
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float mMin;
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float mMax;
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double mSum;
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sampleCount mCount;
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};
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//----------------------------------------------------------------------------
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// NormalizeDialog
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//----------------------------------------------------------------------------
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class NormalizeDialog: public EffectDialog
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{
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public:
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// constructors and destructors
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NormalizeDialog(EffectNormalize *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 OnUpdateUI(wxCommandEvent& evt);
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void OnPreview(wxCommandEvent &event);
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void UpdateUI();
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private:
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EffectNormalize *mEffect;
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wxCheckBox *mGainCheckBox;
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wxCheckBox *mDCCheckBox;
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wxTextCtrl *mLevelTextCtrl;
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wxStaticText *mLeveldB;
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wxStaticText *mWarning;
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wxCheckBox *mStereoIndCheckBox;
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DECLARE_EVENT_TABLE()
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public:
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bool mGain;
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bool mDC;
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double mLevel;
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bool mStereoInd;
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};
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#endif
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// Indentation settings for Vim and Emacs and unique identifier for Arch, a
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// version control system. Please do not modify past this point.
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//
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// Local Variables:
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// c-basic-offset: 3
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// indent-tabs-mode: nil
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// End:
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//
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// vim: et sts=3 sw=3
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// arch-tag: 2e3f0feb-9ac1-4bac-ba42-3d7e37007aa8
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