158 lines
3.6 KiB
C++
158 lines
3.6 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Compressor.h
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Dominic Mazzoni
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_COMPRESSOR__
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#define __AUDACITY_EFFECT_COMPRESSOR__
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#include <wx/bitmap.h>
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#include <wx/checkbox.h>
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#include <wx/event.h>
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#include <wx/gdicmn.h>
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#include <wx/slider.h>
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#include <wx/string.h>
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#include <wx/stattext.h>
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#include <wx/window.h>
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#include "../widgets/wxPanelWrapper.h"
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#include "TwoPassSimpleMono.h"
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class EffectCompressorPanel;
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class ShuttleGui;
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#define COMPRESSOR_PLUGIN_SYMBOL XO("Compressor")
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class EffectCompressor final : public EffectTwoPassSimpleMono
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{
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public:
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EffectCompressor();
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virtual ~EffectCompressor();
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// IdentInterface implementation
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wxString GetSymbol() override;
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wxString GetDescription() override;
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// EffectIdentInterface implementation
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EffectType GetType() override;
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// EffectClientInterface implementation
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bool GetAutomationParameters(EffectAutomationParameters & parms) override;
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bool SetAutomationParameters(EffectAutomationParameters & parms) override;
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// Effect implementation
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bool Startup() override;
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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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protected:
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// EffectTwoPassSimpleMono implementation
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bool InitPass1() override;
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bool InitPass2() override;
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bool NewTrackPass1() override;
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bool ProcessPass2(float *buffer, sampleCount len) override;
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bool TwoBufferProcessPass1(float *buffer1, sampleCount len1, float *buffer2, sampleCount len2) override;
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private:
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// EffectCompressor implementation
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void FreshenCircle();
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float AvgCircle(float x);
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void Follow(float *buffer, float *env, int len, float *previous, int previous_len);
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float DoCompression(float x, double env);
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void OnSlider(wxCommandEvent & evt);
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void UpdateUI();
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private:
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double mRMSSum;
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int mCircleSize;
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int mCirclePos;
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double *mCircle;
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double mAttackTime;
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double mThresholdDB;
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double mNoiseFloorDB;
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double mRatio;
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bool mNormalize; //MJS
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bool mUsePeak;
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double mDecayTime; // The "Release" time.
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double mAttackFactor;
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double mAttackInverseFactor;
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double mDecayFactor;
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double mThreshold;
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double mCompression;
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double mNoiseFloor;
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int mNoiseCounter;
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double mGain;
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double mLastLevel;
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float *mFollow1;
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float *mFollow2;
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sampleCount mFollowLen;
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double mMax; //MJS
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EffectCompressorPanel *mPanel;
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wxStaticText *mThresholdLabel;
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wxSlider *mThresholdSlider;
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wxStaticText *mThresholdText;
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wxStaticText *mNoiseFloorLabel;
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wxSlider *mNoiseFloorSlider;
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wxStaticText *mNoiseFloorText;
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wxStaticText *mRatioLabel;
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wxSlider *mRatioSlider;
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wxStaticText *mRatioText;
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wxStaticText *mAttackLabel;
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wxSlider *mAttackSlider;
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wxStaticText *mAttackText;
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wxStaticText *mDecayLabel;
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wxSlider *mDecaySlider;
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wxStaticText *mDecayText;
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wxCheckBox *mGainCheckBox;
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wxCheckBox *mPeakCheckBox;
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DECLARE_EVENT_TABLE();
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};
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class EffectCompressorPanel final : public wxPanelWrapper
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{
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public:
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EffectCompressorPanel(wxWindow *parent,
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double & threshold,
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double & noiseFloor,
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double & ratio);
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private:
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void OnPaint(wxPaintEvent & evt);
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void OnSize(wxSizeEvent & evt);
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private:
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double & threshold;
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double & noiseFloor;
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double & ratio;
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DECLARE_EVENT_TABLE();
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};
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#endif
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