131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
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/**********************************************************************
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Audacity: A Digital Audio Editor
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Noise.h
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Dominic Mazzoni
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An effect for the "Generator" menu to add white noise.
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_NOISE__
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#define __AUDACITY_EFFECT_NOISE__
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#include <wx/defs.h>
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#include <wx/intl.h>
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#include "Generator.h"
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#include "../widgets/TimeTextCtrl.h"
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class wxString;
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class wxChoice;
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class wxTextCtrl;
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class ShuttleGui;
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#define __UNINITIALIZED__ (-1)
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class WaveTrack;
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class EffectNoise : public BlockGenerator {
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public:
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EffectNoise() {
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SetEffectFlags(BUILTIN_EFFECT | INSERT_EFFECT);
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noiseType = 0;
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noiseAmplitude = 1.0;
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}
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virtual bool Init();
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virtual wxString GetEffectName() {
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return wxString(_("Noise..."));
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}
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virtual std::set<wxString> GetEffectCategories() {
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std::set<wxString> result;
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result.insert(wxT("http://lv2plug.in/ns/lv2core#GeneratorPlugin"));
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return result;
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}
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virtual wxString GetEffectIdentifier() {
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return wxString(wxT("Noise"));
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}
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virtual wxString GetEffectDescription() {
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return wxString::Format(_("Applied effect: Generate Noise, %.6lf seconds"), mDuration);
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}
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virtual wxString GetEffectAction() {
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return wxString(_("Generating Noise"));
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}
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virtual bool PromptUser();
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virtual bool TransferParameters( Shuttle & shuttle );
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void GenerateBlock(float *data, const WaveTrack &track, sampleCount block);
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void Success();
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private:
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sampleCount numSamples;
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int noiseType;
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double noiseAmplitude;
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protected:
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virtual bool MakeNoise(float *buffer, sampleCount len, float fs, float amplitude);
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// friendship ...
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friend class NoiseDialog;
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};
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//----------------------------------------------------------------------------
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// NoiseDialog
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//----------------------------------------------------------------------------
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// Declare window functions
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class NoiseDialog:public EffectDialog {
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public:
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// constructors and destructors
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NoiseDialog(EffectNoise * effect, wxWindow * parent, const wxString & title);
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// method declarations
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void PopulateOrExchange(ShuttleGui & S);
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bool TransferDataToWindow();
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bool TransferDataFromWindow();
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private:
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void OnTimeCtrlUpdate(wxCommandEvent & event);
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DECLARE_EVENT_TABLE()
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public:
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double nRate;
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double nTime;
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wxArrayString *nTypeList;
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double nDuration;
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int nType;
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double nAmplitude;
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bool nIsSelection;
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private:
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EffectNoise *mEffect;
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TimeTextCtrl *mNoiseDurationT;
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};
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#endif
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// Indentation settings for Vim and Emacs and unique identifier for Arch, a
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// version control system. Please do not modify past this point.
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//
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// Local Variables:
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// c-basic-offset: 3
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// indent-tabs-mode: nil
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// End:
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//
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// vim: et sts=3 sw=3
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// arch-tag: 3d52765e-51bb-4f53-8ed8-4239f7b42d16
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