136 lines
3.8 KiB
C++
136 lines
3.8 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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DtmfGen.h
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Salvo Ventura
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Dec 2006
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An effect for the "Generator" menu to generate DTMF tones
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_DTMF__
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#define __AUDACITY_EFFECT_DTMF__
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#include <wx/choice.h>
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#include <wx/defs.h>
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#include <wx/intl.h>
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#include <wx/sizer.h>
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#include <wx/string.h>
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#include <wx/textctrl.h>
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#include "../ShuttleGui.h"
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#include "../WaveTrack.h"
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#include "Generator.h"
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class NumericTextCtrl;
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#define __UNINITIALIZED__ (-1)
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class EffectDtmf : public Generator {
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public:
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EffectDtmf() : mIsSelection(false) {
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SetEffectFlags(BUILTIN_EFFECT | INSERT_EFFECT);
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}
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virtual wxString GetEffectName() {
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return wxString(wxTRANSLATE("DTMF Tones..."));
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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("DTMF Tones"));
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}
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virtual wxString GetEffectDescription() {
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return wxString::Format(_("Applied effect: Generate DTMF tones, %.6lf seconds"), mDuration);
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}
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virtual wxString GetEffectAction() {
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return wxString(_("Generating DTMF tones"));
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}
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virtual bool Init();
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virtual bool PromptUser();
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virtual bool TransferParameters( Shuttle & shuttle );
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private:
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sampleCount numSamplesSequence, numSamplesTone, numSamplesSilence;
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wxString dtmfString; // dtmf tone string
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int dtmfNTones; // total number of tones to generate
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double dtmfTone; // duration of a single tone in ms
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double dtmfSilence; // duration of silence between tones in ms
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double dtmfDutyCycle; // ratio of dtmfTone/(dtmfTone+dtmfSilence)
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double dtmfAmplitude; // amplitude of dtmf tone sequence, restricted to (0-1)
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bool mIsSelection;
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protected:
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virtual bool MakeDtmfTone(float *buffer, sampleCount len, float fs,
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wxChar tone, sampleCount last,
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sampleCount total, float amplitude);
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bool GenerateTrack(WaveTrack *tmp, const WaveTrack &track, int ntrack);
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void Success();
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// friendship ...
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friend class DtmfDialog;
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};
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//----------------------------------------------------------------------------
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// DtmfDialog
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//----------------------------------------------------------------------------
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// Declare window functions
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class DtmfDialog:public EffectDialog {
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public:
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// constructors and destructors
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DtmfDialog(EffectDtmf * 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 OnDtmfStringText(wxCommandEvent & event);
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void OnDtmfDurationText(wxCommandEvent & event);
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void OnDutyCycleSlider(wxCommandEvent & event);
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void OnTimeCtrlUpdate(wxCommandEvent & event);
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void Recalculate(void);
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private:
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EffectDtmf *mEffect;
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wxSlider *mDtmfDutyS;
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wxTextCtrl *mDtmfStringT;
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NumericTextCtrl *mDtmfDurationT;
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wxStaticText *mDtmfToneT;
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wxStaticText *mDtmfSilenceT;
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wxStaticText *mDtmfDutyT;
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DECLARE_EVENT_TABLE()
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public:
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wxString dString; // dtmf tone string
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int dNTones; // total number of tones to generate
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double dTone; // duration of a single tone
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double dSilence; // duration of silence between tones
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double dDuration; // duration of the whole dtmf tone sequence
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double dDutyCycle; // ratio of dTone/(dTone+dSilence)
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double dAmplitude; // amplitude of dtmf tone sequence, restricted to (0-1)
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bool dIsSelection; // true if duration comes from selection
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};
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#endif
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