audacia/src/effects/Normalize.h

95 lines
2.3 KiB
C++

/**********************************************************************
Audacity: A Digital Audio Editor
Normalize.h
Dominic Mazzoni
Vaughan Johnson (Preview)
**********************************************************************/
#ifndef __AUDACITY_EFFECT_NORMALIZE__
#define __AUDACITY_EFFECT_NORMALIZE__
#include "Effect.h"
#include "Biquad.h"
class wxCheckBox;
class wxStaticText;
class wxTextCtrl;
class ShuttleGui;
class EffectNormalize final : public Effect
{
public:
static const ComponentInterfaceSymbol Symbol;
EffectNormalize();
virtual ~EffectNormalize();
// 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 CheckWhetherSkipEffect() override;
bool Startup() override;
bool Process() override;
void PopulateOrExchange(ShuttleGui & S) override;
bool TransferDataToWindow() override;
bool TransferDataFromWindow() override;
private:
// EffectNormalize implementation
bool ProcessOne(
WaveTrack * t, const TranslatableString &msg, double& progress, float offset);
bool AnalyseTrack(const WaveTrack * track, const TranslatableString &msg,
double &progress, float &offset, float &extent);
bool AnalyseTrackData(const WaveTrack * track, const TranslatableString &msg, double &progress,
float &offset);
void AnalyseDataDC(float *buffer, size_t len);
void ProcessData(float *buffer, size_t len, float offset);
void OnUpdateUI(wxCommandEvent & evt);
void UpdateUI();
private:
double mPeakLevel;
bool mGain;
bool mDC;
bool mStereoInd;
double mCurT0;
double mCurT1;
float mMult;
double mSum;
wxCheckBox *mGainCheckBox;
wxCheckBox *mDCCheckBox;
wxTextCtrl *mLevelTextCtrl;
wxStaticText *mLeveldB;
wxStaticText *mWarning;
wxCheckBox *mStereoIndCheckBox;
bool mCreating;
DECLARE_EVENT_TABLE()
};
#endif