136 lines
3.1 KiB
C++
136 lines
3.1 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/bitmap.h>
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#include <wx/event.h>
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#include <wx/gdicmn.h>
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#include <wx/panel.h>
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#include <wx/string.h>
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#include <wx/textctrl.h>
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#include <wx/window.h>
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#include "Effect.h"
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class EffectAutoDuckPanel;
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class ShuttleGui;
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#define AUTO_DUCK_PANEL_NUM_CONTROL_POINTS 5
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#define AUTODUCK_PLUGIN_SYMBOL XO("Auto Duck")
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class EffectAutoDuck : public Effect
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{
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public:
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EffectAutoDuck();
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virtual ~EffectAutoDuck();
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// IdentInterface implementation
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virtual wxString GetSymbol();
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virtual wxString GetDescription();
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// EffectIdentInterface implementation
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virtual EffectType GetType();
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// EffectClientInterface implementation
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virtual bool GetAutomationParameters(EffectAutomationParameters & parms);
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virtual bool SetAutomationParameters(EffectAutomationParameters & parms);
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// Effect implementation
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virtual bool Startup();
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virtual bool Init();
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virtual void End();
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virtual bool Process();
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virtual void PopulateOrExchange(ShuttleGui & S);
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virtual bool TransferDataToWindow();
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virtual bool TransferDataFromWindow();
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private:
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// EffectAutoDuck implementation
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bool ApplyDuckFade(int trackNumber, WaveTrack *t, double t0, double t1);
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void OnValueChanged(wxCommandEvent & evt);
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private:
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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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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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friend class EffectAutoDuckPanel;
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};
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class EffectAutoDuckPanel : public wxPanel
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{
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public:
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EffectAutoDuckPanel(wxWindow *parent, EffectAutoDuck *effect);
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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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virtual bool AcceptsFocus() const {return false;}
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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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private:
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wxWindow *mParent;
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EffectAutoDuck *mEffect;
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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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#endif
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