89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/**********************************************************************
|
|
|
|
Audacity: A Digital Audio Editor
|
|
|
|
Amplify.h
|
|
|
|
Dominic Mazzoni
|
|
|
|
This rewritten class supports a smart Amplify effect - it calculates
|
|
the maximum amount of gain that can be applied to all tracks without
|
|
causing clipping and selects this as the default parameter.
|
|
|
|
**********************************************************************/
|
|
|
|
#ifndef __AUDACITY_EFFECT_AMPLIFY__
|
|
#define __AUDACITY_EFFECT_AMPLIFY__
|
|
|
|
#include "Effect.h"
|
|
|
|
|
|
class wxSlider;
|
|
class wxCheckBox;
|
|
class wxTextCtrl;
|
|
class ShuttleGui;
|
|
|
|
class EffectAmplify final : public Effect
|
|
{
|
|
public:
|
|
static const ComponentInterfaceSymbol Symbol;
|
|
|
|
EffectAmplify();
|
|
virtual ~EffectAmplify();
|
|
|
|
// ComponentInterface implementation
|
|
|
|
ComponentInterfaceSymbol GetSymbol() override;
|
|
TranslatableString GetDescription() override;
|
|
ManualPageID ManualPage() override;
|
|
|
|
// EffectDefinitionInterface implementation
|
|
|
|
EffectType GetType() override;
|
|
|
|
// EffectClientInterface implementation
|
|
|
|
unsigned GetAudioInCount() override;
|
|
unsigned GetAudioOutCount() override;
|
|
size_t ProcessBlock(float **inBlock, float **outBlock, size_t blockLen) override;
|
|
bool DefineParams( ShuttleParams & S ) override;
|
|
bool GetAutomationParameters(CommandParameters & parms) override;
|
|
bool SetAutomationParameters(CommandParameters & parms) override;
|
|
bool LoadFactoryDefaults() override;
|
|
|
|
// Effect implementation
|
|
|
|
bool Init() override;
|
|
void Preview(bool dryOnly) override;
|
|
void PopulateOrExchange(ShuttleGui & S) override;
|
|
bool TransferDataToWindow() override;
|
|
bool TransferDataFromWindow() override;
|
|
|
|
private:
|
|
// EffectAmplify implementation
|
|
|
|
void OnAmpText(wxCommandEvent & evt);
|
|
void OnPeakText(wxCommandEvent & evt);
|
|
void OnAmpSlider(wxCommandEvent & evt);
|
|
void OnClipCheckBox(wxCommandEvent & evt);
|
|
void CheckClip();
|
|
|
|
private:
|
|
double mPeak;
|
|
|
|
double mRatio;
|
|
double mRatioClip; // maximum value of mRatio which does not cause clipping
|
|
double mAmp;
|
|
double mNewPeak;
|
|
bool mCanClip;
|
|
|
|
wxSlider *mAmpS;
|
|
wxTextCtrl *mAmpT;
|
|
wxTextCtrl *mNewPeakT;
|
|
wxCheckBox *mClip;
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
};
|
|
|
|
#endif // __AUDACITY_EFFECT_AMPLIFY__
|