145 lines
3.3 KiB
C++
145 lines
3.3 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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AutoDuck.h
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Markus Meyer
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_AUTODUCK__
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#define __AUDACITY_EFFECT_AUTODUCK__
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#include <wx/dialog.h>
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#include <wx/panel.h>
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#include <wx/textctrl.h>
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#include "Effect.h"
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class EffectAutoDuck;
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class EffectAutoDuckPanel;
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class EffectAutoDuckDialog: public wxDialog
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{
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public:
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EffectAutoDuckDialog(EffectAutoDuck* effect, wxWindow* parent);
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private:
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friend class EffectAutoDuckPanel;
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void OnOk(wxCommandEvent& evt);
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void OnCancel(wxCommandEvent& evt);
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void OnValueChanged(wxCommandEvent& evt);
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EffectAutoDuck* mEffect;
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wxTextCtrl* mDuckAmountDbBox;
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wxTextCtrl* mInnerFadeDownLenBox;
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wxTextCtrl* mInnerFadeUpLenBox;
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wxTextCtrl* mOuterFadeDownLenBox;
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wxTextCtrl* mOuterFadeUpLenBox;
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wxTextCtrl* mThresholdDbBox;
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wxTextCtrl* mMaximumPauseBox;
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EffectAutoDuckPanel* mPanel;
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DECLARE_EVENT_TABLE()
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};
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#define AUTO_DUCK_PANEL_NUM_CONTROL_POINTS 5
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class EffectAutoDuckPanel: public wxPanel
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{
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public:
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EffectAutoDuckPanel(EffectAutoDuckDialog* parent, wxWindowID id);
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virtual ~EffectAutoDuckPanel();
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private:
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enum EControlPoint
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{
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innerFadeDown = 0,
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outerFadeDown,
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innerFadeUp,
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outerFadeUp,
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duckAmount,
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none = 99,
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};
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#if defined(__WXMAC__) && wxUSE_ACCESSIBILITY
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virtual bool AcceptsFocus() const {return false;}
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#endif
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void OnPaint(wxPaintEvent& evt);
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void OnMouseCaptureChanged(wxMouseCaptureChangedEvent &evt);
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void OnMouseCaptureLost(wxMouseCaptureLostEvent &evt);
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void OnLeftDown(wxMouseEvent &evt);
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void OnLeftUp(wxMouseEvent &evt);
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void OnMotion(wxMouseEvent &evt);
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void ResetControlPoints();
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EControlPoint GetNearestControlPoint(const wxPoint& pt);
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EffectAutoDuckDialog* mParent;
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wxBitmap* mBackgroundBitmap;
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EControlPoint mCurrentControlPoint;
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wxPoint mControlPoints[AUTO_DUCK_PANEL_NUM_CONTROL_POINTS];
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wxPoint mMoveStartControlPoints[AUTO_DUCK_PANEL_NUM_CONTROL_POINTS];
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wxPoint mMouseDownPoint;
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bool mControlPointMoveActivated;
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DECLARE_EVENT_TABLE()
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};
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class EffectAutoDuck: public Effect
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{
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friend class EffectAutoDuckDialog;
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public:
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EffectAutoDuck();
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virtual wxString GetEffectName()
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{
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return wxString(_("Auto Duck..."));
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}
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virtual std::set<wxString> GetEffectCategories()
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{
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std::set<wxString> result;
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result.insert(wxT("http://lv2plug.in/ns/lv2core#DynamicsPlugin"));
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return result;
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}
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virtual wxString GetEffectIdentifier()
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{
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return wxString(wxT("AutoDuck"));
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}
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virtual wxString GetEffectAction()
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{
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return wxString(_("Processing Auto Duck..."));
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}
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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 ApplyDuckFade(int trackNumber, WaveTrack* t, double t0, double t1);
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double mDuckAmountDb;
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double mInnerFadeDownLen;
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double mInnerFadeUpLen;
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double mOuterFadeDownLen;
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double mOuterFadeUpLen;
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double mThresholdDb;
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double mMaximumPause;
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WaveTrack* mControlTrack;
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};
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#endif
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