audacia/src/effects/ToneGen.h

83 lines
2.1 KiB
C++

/**********************************************************************
Audacity: A Digital Audio Editor
ToneGen.h
Steve Jolly
This class implements a tone generator effect.
**********************************************************************/
#ifndef __AUDACITY_EFFECT_TONEGEN__
#define __AUDACITY_EFFECT_TONEGEN__
#include "../widgets/NumericTextCtrl.h"
#include "Effect.h"
class ShuttleGui;
#define CHIRP_PLUGIN_SYMBOL ComponentInterfaceSymbol{ XO("Chirp") }
#define TONE_PLUGIN_SYMBOL ComponentInterfaceSymbol{ XO("Tone") }
class EffectToneGen final : public Effect
{
public:
EffectToneGen(bool isChirp);
virtual ~EffectToneGen();
// ComponentInterface implementation
ComponentInterfaceSymbol GetSymbol() override;
wxString GetDescription() override;
wxString ManualPage() override;
// EffectDefinitionInterface implementation
EffectType GetType() override;
// EffectClientInterface implementation
unsigned GetAudioOutCount() override;
bool ProcessInitialize(sampleCount totalLen, ChannelNames chanMap = NULL) 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;
// Effect implementation
void PopulateOrExchange(ShuttleGui & S) override;
bool TransferDataFromWindow() override;
bool TransferDataToWindow() override;
private:
// EffectToneGen implementation
void OnControlUpdate(wxCommandEvent & evt);
private:
bool mChirp;
// mSample is an external placeholder to remember the last "buffer"
// position so we use it to reinitialize from where we left
sampleCount mSample;
double mPositionInCycles;
// If we made these static variables,
// Tone and Chirp would share the same parameters.
int mWaveform;
int mInterpolation;
double mFrequency[2];
double mAmplitude[2];
double mLogFrequency[2];
NumericTextCtrl *mToneDurationT;
DECLARE_EVENT_TABLE()
};
#endif