mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-16 16:10:06 +02:00
153 lines
4.0 KiB
C++
153 lines
4.0 KiB
C++
/**********************************************************************
|
|
|
|
Audacity: A Digital Audio Editor
|
|
|
|
Phaser
|
|
|
|
Effect programming:
|
|
Nasca Octavian Paul (Paul Nasca)
|
|
|
|
UI programming:
|
|
Dominic Mazzoni (with the help of wxDesigner)
|
|
Vaughan Johnson (Preview)
|
|
|
|
**********************************************************************/
|
|
|
|
#ifndef __AUDACITY_EFFECT_PHASER__
|
|
#define __AUDACITY_EFFECT_PHASER__
|
|
|
|
#include <wx/event.h>
|
|
#include <wx/slider.h>
|
|
#include <wx/string.h>
|
|
#include <wx/textctrl.h>
|
|
|
|
#include "Effect.h"
|
|
|
|
class ShuttleGui;
|
|
|
|
#define NUM_STAGES 24
|
|
|
|
#define PHASER_PLUGIN_SYMBOL XO("Phaser")
|
|
|
|
class EffectPhaserState
|
|
{
|
|
public:
|
|
// state variables
|
|
float samplerate;
|
|
sampleCount skipcount;
|
|
double old[NUM_STAGES]; // must be as large as MAX_STAGES
|
|
double gain;
|
|
double fbout;
|
|
double outgain;
|
|
double lfoskip;
|
|
double phase;
|
|
int laststages;
|
|
};
|
|
|
|
WX_DECLARE_OBJARRAY(EffectPhaserState, EffectPhaserStateArray);
|
|
|
|
class EffectPhaser : public Effect
|
|
{
|
|
public:
|
|
EffectPhaser();
|
|
virtual ~EffectPhaser();
|
|
|
|
// IdentInterface implementation
|
|
|
|
virtual wxString GetSymbol();
|
|
virtual wxString GetDescription();
|
|
|
|
// EffectIdentInterface implementation
|
|
|
|
virtual EffectType GetType();
|
|
virtual bool SupportsRealtime();
|
|
|
|
// EffectClientInterface implementation
|
|
|
|
virtual int GetAudioInCount();
|
|
virtual int GetAudioOutCount();
|
|
virtual bool ProcessInitialize(sampleCount totalLen, ChannelNames chanMap = NULL);
|
|
virtual sampleCount ProcessBlock(float **inBlock, float **outBlock, sampleCount blockLen);
|
|
virtual bool RealtimeInitialize();
|
|
virtual bool RealtimeAddProcessor(int numChannels, float sampleRate);
|
|
virtual bool RealtimeFinalize();
|
|
virtual sampleCount RealtimeProcess(int group,
|
|
float **inbuf,
|
|
float **outbuf,
|
|
sampleCount numSamples);
|
|
virtual bool GetAutomationParameters(EffectAutomationParameters & parms);
|
|
virtual bool SetAutomationParameters(EffectAutomationParameters & parms);
|
|
|
|
// Effect implementation
|
|
|
|
void PopulateOrExchange(ShuttleGui & S);
|
|
bool TransferDataToWindow();
|
|
bool TransferDataFromWindow();
|
|
|
|
private:
|
|
// EffectPhaser implementation
|
|
|
|
void InstanceInit(EffectPhaserState & data, float sampleRate);
|
|
sampleCount InstanceProcess(EffectPhaserState & data, float **inBlock, float **outBlock, sampleCount blockLen);
|
|
|
|
void OnStagesSlider(wxCommandEvent & evt);
|
|
void OnDryWetSlider(wxCommandEvent & evt);
|
|
void OnFeedbackSlider(wxCommandEvent & evt);
|
|
void OnDepthSlider(wxCommandEvent & evt);
|
|
void OnPhaseSlider(wxCommandEvent & evt);
|
|
void OnFreqSlider(wxCommandEvent & evt);
|
|
void OnGainSlider(wxCommandEvent & evt);
|
|
|
|
void OnStagesText(wxCommandEvent & evt);
|
|
void OnDryWetText(wxCommandEvent & evt);
|
|
void OnFeedbackText(wxCommandEvent & evt);
|
|
void OnDepthText(wxCommandEvent & evt);
|
|
void OnPhaseText(wxCommandEvent & evt);
|
|
void OnFreqText(wxCommandEvent & evt);
|
|
void OnGainText(wxCommandEvent & evt);
|
|
/*
|
|
Phaser Parameters
|
|
|
|
mFreq - Phaser's LFO frequency
|
|
mPhase - Phaser's LFO startphase (radians), needed for stereo Phasers
|
|
mDepth - Phaser depth (0 - no depth, 255 - max depth)
|
|
mStages - Phaser stages (recomanded from 2 to 16-24, and EVEN NUMBER)
|
|
mDryWet - Dry/wet mix, (0 - dry, 128 - dry=wet, 255 - wet)
|
|
mFeedback - Phaser FeedBack (0 - no feedback, 100 = 100% Feedback,
|
|
-100 = -100% FeedBack)
|
|
*/
|
|
|
|
private:
|
|
EffectPhaserState mMaster;
|
|
EffectPhaserStateArray mSlaves;
|
|
|
|
// parameters
|
|
int mStages;
|
|
int mDryWet;
|
|
double mFreq;
|
|
double mPhase;
|
|
int mDepth;
|
|
int mFeedback;
|
|
double mOutGain;
|
|
|
|
wxTextCtrl *mStagesT;
|
|
wxTextCtrl *mDryWetT;
|
|
wxTextCtrl *mFreqT;
|
|
wxTextCtrl *mPhaseT;
|
|
wxTextCtrl *mDepthT;
|
|
wxTextCtrl *mFeedbackT;
|
|
wxTextCtrl *mOutGainT;
|
|
|
|
wxSlider *mStagesS;
|
|
wxSlider *mDryWetS;
|
|
wxSlider *mFreqS;
|
|
wxSlider *mPhaseS;
|
|
wxSlider *mDepthS;
|
|
wxSlider *mFeedbackS;
|
|
wxSlider *mOutGainS;
|
|
|
|
DECLARE_EVENT_TABLE();
|
|
};
|
|
|
|
#endif
|