152 lines
3.5 KiB
C++
152 lines
3.5 KiB
C++
/**********************************************************************
|
|
|
|
Audacity: A Digital Audio Editor
|
|
|
|
Compressor.h
|
|
|
|
Dominic Mazzoni
|
|
|
|
**********************************************************************/
|
|
|
|
#ifndef __AUDACITY_EFFECT_COMPRESSOR__
|
|
#define __AUDACITY_EFFECT_COMPRESSOR__
|
|
|
|
#include "TwoPassSimpleMono.h"
|
|
|
|
class wxCheckBox;
|
|
class wxSlider;
|
|
class wxStaticText;
|
|
class EffectCompressorPanel;
|
|
class ShuttleGui;
|
|
|
|
class EffectCompressor final : public EffectTwoPassSimpleMono
|
|
{
|
|
public:
|
|
static const ComponentInterfaceSymbol Symbol;
|
|
|
|
EffectCompressor();
|
|
virtual ~EffectCompressor();
|
|
|
|
// ComponentInterface implementation
|
|
|
|
ComponentInterfaceSymbol GetSymbol() override;
|
|
TranslatableString GetDescription() override;
|
|
ManualPageID ManualPage() override;
|
|
|
|
// EffectDefinitionInterface implementation
|
|
|
|
EffectType GetType() override;
|
|
|
|
// EffectClientInterface implementation
|
|
|
|
bool DefineParams( ShuttleParams & S ) override;
|
|
bool GetAutomationParameters(CommandParameters & parms) override;
|
|
bool SetAutomationParameters(CommandParameters & parms) override;
|
|
|
|
// Effect implementation
|
|
|
|
bool Startup() override;
|
|
void PopulateOrExchange(ShuttleGui & S) override;
|
|
bool TransferDataToWindow() override;
|
|
bool TransferDataFromWindow() override;
|
|
|
|
protected:
|
|
// EffectTwoPassSimpleMono implementation
|
|
|
|
bool InitPass1() override;
|
|
bool InitPass2() override;
|
|
bool NewTrackPass1() override;
|
|
bool ProcessPass2(float *buffer, size_t len) override;
|
|
bool TwoBufferProcessPass1
|
|
(float *buffer1, size_t len1, float *buffer2, size_t len2) override;
|
|
|
|
private:
|
|
// EffectCompressor implementation
|
|
|
|
void FreshenCircle();
|
|
float AvgCircle(float x);
|
|
void Follow(float *buffer, float *env, size_t len, float *previous, size_t previous_len);
|
|
float DoCompression(float x, double env);
|
|
|
|
void OnSlider(wxCommandEvent & evt);
|
|
void UpdateUI();
|
|
|
|
private:
|
|
double mRMSSum;
|
|
size_t mCircleSize;
|
|
size_t mCirclePos;
|
|
Doubles mCircle;
|
|
|
|
double mAttackTime;
|
|
double mThresholdDB;
|
|
double mNoiseFloorDB;
|
|
double mRatio;
|
|
bool mNormalize; //MJS
|
|
bool mUsePeak;
|
|
|
|
double mDecayTime; // The "Release" time.
|
|
double mAttackFactor;
|
|
double mAttackInverseFactor;
|
|
double mDecayFactor;
|
|
double mThreshold;
|
|
double mCompression;
|
|
double mNoiseFloor;
|
|
int mNoiseCounter;
|
|
double mGain;
|
|
double mLastLevel;
|
|
Floats mFollow1, mFollow2;
|
|
size_t mFollowLen;
|
|
|
|
double mMax; //MJS
|
|
|
|
EffectCompressorPanel *mPanel;
|
|
|
|
wxStaticText *mThresholdLabel;
|
|
wxSlider *mThresholdSlider;
|
|
wxStaticText *mThresholdText;
|
|
|
|
wxStaticText *mNoiseFloorLabel;
|
|
wxSlider *mNoiseFloorSlider;
|
|
wxStaticText *mNoiseFloorText;
|
|
|
|
wxStaticText *mRatioLabel;
|
|
wxSlider *mRatioSlider;
|
|
wxStaticText *mRatioText;
|
|
|
|
wxStaticText *mAttackLabel;
|
|
wxSlider *mAttackSlider;
|
|
wxStaticText *mAttackText;
|
|
|
|
wxStaticText *mDecayLabel;
|
|
wxSlider *mDecaySlider;
|
|
wxStaticText *mDecayText;
|
|
|
|
wxCheckBox *mGainCheckBox;
|
|
wxCheckBox *mPeakCheckBox;
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
};
|
|
|
|
class EffectCompressorPanel final : public wxPanelWrapper
|
|
{
|
|
public:
|
|
EffectCompressorPanel(wxWindow *parent, wxWindowID winid,
|
|
double & threshold,
|
|
double & noiseFloor,
|
|
double & ratio);
|
|
|
|
private:
|
|
void OnPaint(wxPaintEvent & evt);
|
|
void OnSize(wxSizeEvent & evt);
|
|
|
|
private:
|
|
double & threshold;
|
|
double & noiseFloor;
|
|
double & ratio;
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
};
|
|
|
|
#endif
|
|
|