Substantial code simplification and clarification, but should be no functional changes. The Effect does not need to store all the param values the dialog provides.

This commit is contained in:
v.audacity 2013-06-19 02:25:21 +00:00
parent 7dcd9c4e10
commit ce8f6b09da
6 changed files with 119 additions and 132 deletions

View File

@ -29,6 +29,11 @@ double FreqToMIDInote(const double freq)
return (69.0 + (12.0 * (log(freq / 440.0) / log(2.0))));
}
double MIDInoteToFreq(const double dMIDInote)
{
return (440.0 * pow(2.0, (dMIDInote - 69.0) / 12.0));
}
unsigned int PitchIndex(const double dMIDInote)
{
int nPitchIndex = ((int)(dMIDInote + 0.5) % 12);
@ -144,5 +149,5 @@ double PitchToMIDInote(const unsigned int nPitchIndex, const int nPitchOctave)
double PitchToFreq(const unsigned int nPitchIndex, const int nPitchOctave)
{
return (440.0 * pow(2.0, (PitchToMIDInote(nPitchIndex, nPitchOctave) - 69) / 12.0));
return MIDInoteToFreq(PitchToMIDInote(nPitchIndex, nPitchOctave));
}

View File

@ -28,6 +28,8 @@
// MIDI note number 0 is C-1 in Scientific pitch notation.
double FreqToMIDInote(const double freq);
double MIDInoteToFreq(const double dMIDInote);
// PitchIndex returns the [0,11] index for a double MIDI note number,
// per result from FreqToMIDInote, corresponding to modulo 12
// of the integer part of (dMIDInote + 0.5), so 0=C, 1=C#, etc.

View File

@ -156,7 +156,7 @@ class VarRateResample : public Resample
#if USE_LIBRESAMPLE || USE_LIBSAMPLERATE || USE_LIBSOXR
//vvv Note that we're not actually calling any of these Get* methods
// for var-rate, as the decision was to not allow QualityPrefs for it.
// However the menthods already existed for libresample and libsamplerate,
// However the methods already existed for libresample and libsamplerate,
// so they're now implemented for all, in case we decide to provide prefs.
static int GetNumMethods();
static wxString GetMethodName(int index);

View File

@ -1,15 +1,19 @@
/**********************************************************************
Audacity: A Digital Audio Editor
Audacity: A Digital Audio Editor
Audacity(R) is copyright (c) 1999-2012 Audacity Team.
License: GPL v2. See License.txt.
ChangePitch.cpp
Vaughan Johnson, Dominic Mazzoni, Steve Daulton
Vaughan Johnson, Dominic Mazzoni, Steve Daulton
Change Pitch effect provides raising or lowering
the pitch without changing the tempo.
******************************************************************//**
**********************************************************************/
\file ChangePitch.cpp
\brief Change Pitch effect provides raising or lowering
the pitch without changing the tempo.
*//*******************************************************************/
#include "../Audacity.h" // for USE_SOUNDTOUCH
@ -39,23 +43,17 @@
EffectChangePitch::EffectChangePitch()
{
m_nFromPitch = -1; // -1 => uninitialized
m_nToPitch = -1; // -1 => uninitialized
m_SemitonesChange = 0.0;
m_FromFrequency = 0.0; // 0.0 => uninitialized
m_ToFrequency = 0.0; // 0.0 => uninitialized
m_PercentChange = 0.0;
m_dSemitonesChange = 0.0;
m_dStartFrequency = 0.0; // 0.0 => uninitialized
m_dPercentChange = 0.0;
}
wxString EffectChangePitch::GetEffectDescription()
{
// This is useful only after m_SemitonesChange has been set.
// This is useful only after m_dSemitonesChange has been set.
return wxString::Format(_("Applied effect: %s %.2f semitones"),
this->GetEffectName().c_str(),
m_SemitonesChange);
m_dSemitonesChange);
}
bool EffectChangePitch::Init()
@ -120,12 +118,7 @@ void EffectChangePitch::DeduceFrequencies()
if (freqa[j] > freqa[argmax])
argmax = j;
lag = (windowSize/2 - 1) - argmax;
m_FromFrequency = rate / lag;
m_ToFrequency = (m_FromFrequency * (100.0 + m_PercentChange)) / 100.0;
// Now we can set the pitch control values.
m_nFromPitch = PitchIndex(FreqToMIDInote(m_FromFrequency));
m_nToPitch = PitchIndex(FreqToMIDInote(m_ToFrequency));
m_dStartFrequency = rate / lag;
}
}
@ -133,40 +126,25 @@ bool EffectChangePitch::PromptUser()
{
this->DeduceFrequencies(); // Set frequency-related control values based on sample.
ChangePitchDialog dlog(this, mParent);
dlog.m_nFromPitch = m_nFromPitch;
dlog.m_nFromOctave = PitchOctave(FreqToMIDInote(m_FromFrequency));
dlog.m_nToPitch = m_nToPitch;
dlog.m_nToOctave = PitchOctave(FreqToMIDInote(m_ToFrequency));
dlog.m_SemitonesChange = m_SemitonesChange;
dlog.m_FromFrequency = m_FromFrequency;
dlog.m_ToFrequency = m_ToFrequency;
dlog.m_PercentChange = m_PercentChange;
// Don't need to call TransferDataToWindow, although other
// Audacity dialogs (from which I derived this one) do it, because
// ShowModal calls stuff that eventually calls wxWindowBase::OnInitDialog,
// which calls dlog.TransferDataToWindow();
ChangePitchDialog dlog(this, mParent, m_dSemitonesChange, m_dStartFrequency);
dlog.CentreOnParent();
dlog.ShowModal();
if (dlog.GetReturnCode() == wxID_CANCEL)
return false;
m_nFromPitch = dlog.m_nFromPitch;
m_nToPitch = dlog.m_nToPitch;
m_SemitonesChange = dlog.m_SemitonesChange;
m_FromFrequency = dlog.m_FromFrequency;
m_ToFrequency = dlog.m_ToFrequency;
m_PercentChange = dlog.m_PercentChange;
m_dSemitonesChange = dlog.m_dSemitonesChange;
m_dStartFrequency = dlog.m_FromFrequency;
m_dPercentChange = dlog.m_dPercentChange;
return true;
}
bool EffectChangePitch::TransferParameters( Shuttle & shuttle )
{
// Vaughan: Long lost to history, I don't see why m_PercentChange was chosen to be shuttled.
// Only m_SemitonesChange is used in Process().
shuttle.TransferDouble(wxT("Percentage"),m_PercentChange,0.0);
m_SemitonesChange = (12.0 * log((100.0 + m_PercentChange) / 100.0)) / log(2.0);
// Vaughan, 2013-06: Long lost to history, I don't see why m_dPercentChange was chosen to be shuttled.
// Only m_dSemitonesChange is used in Process().
shuttle.TransferDouble(wxT("Percentage"),m_dPercentChange,0.0);
m_dSemitonesChange = (12.0 * log((100.0 + m_dPercentChange) / 100.0)) / log(2.0);
return true;
}
@ -174,16 +152,16 @@ bool EffectChangePitch::Process()
{
mSoundTouch = new SoundTouch();
SetTimeWarper(new IdentityTimeWarper());
mSoundTouch->setPitchSemiTones((float)(m_SemitonesChange));
mSoundTouch->setPitchSemiTones((float)(m_dSemitonesChange));
#ifdef USE_MIDI
// Note: m_SemitonesChange is private to ChangePitch because it only
// Note: m_dSemitonesChange is private to ChangePitch because it only
// needs to pass it along to mSoundTouch (above). I added mSemitones
// to SoundTouchEffect (the super class) to convey this value
// to process Note tracks. This approach minimizes changes to existing
// code, but it would be cleaner to change all m_SemitonesChange to
// code, but it would be cleaner to change all m_dSemitonesChange to
// mSemitones, make mSemitones exist with or without USE_MIDI, and
// eliminate the next line:
mSemitones = m_SemitonesChange;
mSemitones = m_dSemitonesChange;
#endif
return this->EffectSoundTouch::Process();
}
@ -227,7 +205,8 @@ BEGIN_EVENT_TABLE(ChangePitchDialog, EffectDialog)
EVT_BUTTON(ID_EFFECT_PREVIEW, ChangePitchDialog::OnPreview)
END_EVENT_TABLE()
ChangePitchDialog::ChangePitchDialog(EffectChangePitch *effect, wxWindow *parent)
ChangePitchDialog::ChangePitchDialog(EffectChangePitch *effect, wxWindow *parent,
double dSemitonesChange, double dStartFrequency)
: EffectDialog(parent, _("Change Pitch"), PROCESS_EFFECT),
mEffect(effect)
{
@ -250,17 +229,18 @@ ChangePitchDialog::ChangePitchDialog(EffectChangePitch *effect, wxWindow *parent
m_pSlider_PercentChange = NULL;
// effect parameters
m_nFromPitch = -1; // -1 => uninitialized
m_nFromOctave = -1; // -1 => uninitialized
m_nToPitch = -1; // -1 => uninitialized
m_nToOctave = -1; // -1 => uninitialized
double dFromMIDInote = FreqToMIDInote(dStartFrequency);
double dToMIDInote = dFromMIDInote + dSemitonesChange;
m_nFromPitch = PitchIndex(dFromMIDInote);
m_nFromOctave = PitchOctave(dFromMIDInote);
m_nToPitch = PitchIndex(dToMIDInote);
m_nToOctave = PitchOctave(dToMIDInote);
m_SemitonesChange = 0.0;
m_dSemitonesChange = dSemitonesChange;
m_FromFrequency = 0.0; // 0.0 => uninitialized
m_ToFrequency = 0.0; // 0.0 => uninitialized
m_PercentChange = 0.0;
m_FromFrequency = dStartFrequency;
this->Calc_PercentChange();
this->Calc_ToFrequency();
Init();
}
@ -447,7 +427,7 @@ bool ChangePitchDialog::TransferDataFromWindow()
if (m_pTextCtrl_SemitonesChange) {
str = m_pTextCtrl_SemitonesChange->GetValue();
str.ToDouble(&newDouble);
m_SemitonesChange = newDouble;
m_dSemitonesChange = newDouble;
}
@ -469,7 +449,7 @@ bool ChangePitchDialog::TransferDataFromWindow()
if (m_pTextCtrl_PercentChange) {
str = m_pTextCtrl_PercentChange->GetValue();
str.ToDouble(&newDouble);
m_PercentChange = newDouble;
m_dPercentChange = newDouble;
}
// No need to update Slider_PercentChange here because TextCtrl_PercentChange
@ -485,7 +465,7 @@ bool ChangePitchDialog::TransferDataFromWindow()
void ChangePitchDialog::Calc_ToPitch()
{
int nSemitonesChange =
(int)(m_SemitonesChange + ((m_SemitonesChange < 0.0) ? -0.5 : 0.5));
(int)(m_dSemitonesChange + ((m_dSemitonesChange < 0.0) ? -0.5 : 0.5));
m_nToPitch = (m_nFromPitch + nSemitonesChange) % 12;
if (m_nToPitch < 0)
m_nToPitch += 12;
@ -498,25 +478,25 @@ void ChangePitchDialog::Calc_ToOctave()
void ChangePitchDialog::Calc_SemitonesChange_fromPitches()
{
m_SemitonesChange =
m_dSemitonesChange =
PitchToMIDInote(m_nToPitch, m_nToOctave) - PitchToMIDInote(m_nFromPitch, m_nFromOctave);
}
void ChangePitchDialog::Calc_SemitonesChange_fromPercentChange()
{
// Use m_PercentChange rather than m_FromFrequency & m_ToFrequency, because
// they start out uninitialized, but m_PercentChange is always valid.
m_SemitonesChange = (12.0 * log((100.0 + m_PercentChange) / 100.0)) / log(2.0);
// Use m_dPercentChange rather than m_FromFrequency & m_ToFrequency, because
// they start out uninitialized, but m_dPercentChange is always valid.
m_dSemitonesChange = (12.0 * log((100.0 + m_dPercentChange) / 100.0)) / log(2.0);
}
void ChangePitchDialog::Calc_ToFrequency()
{
m_ToFrequency = (m_FromFrequency * (100.0 + m_PercentChange)) / 100.0;
m_ToFrequency = (m_FromFrequency * (100.0 + m_dPercentChange)) / 100.0;
}
void ChangePitchDialog::Calc_PercentChange()
{
m_PercentChange = 100.0 * (pow(2.0, (m_SemitonesChange / 12.0)) - 1.0);
m_dPercentChange = 100.0 * (pow(2.0, (m_dSemitonesChange / 12.0)) - 1.0);
}
@ -554,6 +534,8 @@ void ChangePitchDialog::OnSpin_FromOctave(wxCommandEvent & WXUNUSED(event))
if (m_pSpin_FromOctave)
{
m_nFromOctave = m_pSpin_FromOctave->GetValue();
//vvv If I change this code to not keep semitones and percent constant,
// will need validation code as in OnSpin_ToOctave.
m_FromFrequency = PitchToFreq(m_nFromPitch, m_nFromOctave);
this->Calc_ToFrequency();
@ -579,8 +561,8 @@ void ChangePitchDialog::OnChoice_ToPitch(wxCommandEvent & WXUNUSED(event))
m_nToPitch = m_pChoice_ToPitch->GetSelection();
this->Calc_SemitonesChange_fromPitches();
this->Calc_PercentChange(); // Call *after* m_SemitonesChange is updated.
this->Calc_ToFrequency(); // Call *after* m_PercentChange is updated.
this->Calc_PercentChange(); // Call *after* m_dSemitonesChange is updated.
this->Calc_ToFrequency(); // Call *after* m_dPercentChange is updated.
m_bLoopDetect = true;
{
@ -602,7 +584,7 @@ void ChangePitchDialog::OnSpin_ToOctave(wxCommandEvent & WXUNUSED(event))
{
int nNewValue = m_pSpin_ToOctave->GetValue();
// Validation: Rather than set a range for octave numbers, enforce a range that
// keeps below 90% m_PercentChange.
// keeps m_dPercentChange below 90%, per Soundtouch constraints.
if ((nNewValue + 3) < m_nFromOctave)
{
::wxBell();
@ -614,7 +596,7 @@ void ChangePitchDialog::OnSpin_ToOctave(wxCommandEvent & WXUNUSED(event))
m_ToFrequency = PitchToFreq(m_nToPitch, m_nToOctave);
this->Calc_SemitonesChange_fromPitches();
this->Calc_PercentChange(); // Call *after* m_SemitonesChange is updated.
this->Calc_PercentChange(); // Call *after* m_dSemitonesChange is updated.
m_bLoopDetect = true;
{
@ -635,16 +617,16 @@ void ChangePitchDialog::OnText_SemitonesChange(wxCommandEvent & WXUNUSED(event))
if (m_pTextCtrl_SemitonesChange) {
wxString str = m_pTextCtrl_SemitonesChange->GetValue();
if (str.IsEmpty())
m_SemitonesChange = 0.0;
m_dSemitonesChange = 0.0;
else
{
double newValue = 0;
str.ToDouble(&newValue);
m_SemitonesChange = newValue;
m_dSemitonesChange = newValue;
}
this->Calc_PercentChange();
this->Calc_ToFrequency(); // Call *after* m_PercentChange is updated.
this->Calc_ToFrequency(); // Call *after* m_dPercentChange is updated.
this->Calc_ToPitch();
m_bLoopDetect = true;
@ -656,10 +638,10 @@ void ChangePitchDialog::OnText_SemitonesChange(wxCommandEvent & WXUNUSED(event))
}
m_bLoopDetect = false;
// If m_SemitonesChange is a big enough negative, we can go to or below 0 freq.
// If m_SemitonesChange is a big enough positive, we can go to 1.#INF (Windows) or inf (Linux).
// If m_dSemitonesChange is a big enough negative, we can go to or below 0 freq.
// If m_dSemitonesChange is a big enough positive, we can go to 1.#INF (Windows) or inf (Linux).
// But practically, these are best limits for Soundtouch.
bool bIsGoodValue = (m_SemitonesChange > -80.0) && (m_SemitonesChange <= 60.0);
bool bIsGoodValue = (m_dSemitonesChange > -80.0) && (m_dSemitonesChange <= 60.0);
this->FindWindow(wxID_OK)->Enable(bIsGoodValue);
this->FindWindow(ID_EFFECT_PREVIEW)->Enable(bIsGoodValue);
}
@ -723,11 +705,11 @@ void ChangePitchDialog::OnText_ToFrequency(wxCommandEvent & WXUNUSED(event))
}
m_ToFrequency = newDouble;
m_PercentChange = (((double)(m_ToFrequency) * 100.0) /
m_dPercentChange = (((double)(m_ToFrequency) * 100.0) /
(double)(m_FromFrequency)) - 100.0;
this->Calc_SemitonesChange_fromPercentChange();
this->Calc_ToPitch(); // Call *after* m_SemitonesChange is updated.
this->Calc_ToPitch(); // Call *after* m_dSemitonesChange is updated.
m_bLoopDetect = true;
{
@ -765,10 +747,10 @@ void ChangePitchDialog::OnText_PercentChange(wxCommandEvent & WXUNUSED(event))
this->FindWindow(ID_EFFECT_PREVIEW)->Disable();
return;
}
m_PercentChange = newValue;
m_dPercentChange = newValue;
this->Calc_SemitonesChange_fromPercentChange();
this->Calc_ToPitch(); // Call *after* m_SemitonesChange is updated.
this->Calc_ToPitch(); // Call *after* m_dSemitonesChange is updated.
this->Calc_ToFrequency();
m_bLoopDetect = true;
@ -792,13 +774,13 @@ void ChangePitchDialog::OnSlider_PercentChange(wxCommandEvent & WXUNUSED(event))
return;
if (m_pSlider_PercentChange) {
m_PercentChange = (double)(m_pSlider_PercentChange->GetValue());
m_dPercentChange = (double)(m_pSlider_PercentChange->GetValue());
// Warp positive values to actually go up faster & further than negatives.
if (m_PercentChange > 0.0)
m_PercentChange = pow(m_PercentChange, PERCENTCHANGE_SLIDER_WARP);
if (m_dPercentChange > 0.0)
m_dPercentChange = pow(m_dPercentChange, PERCENTCHANGE_SLIDER_WARP);
this->Calc_SemitonesChange_fromPercentChange();
this->Calc_ToPitch(); // Call *after* m_SemitonesChange is updated.
this->Calc_ToPitch(); // Call *after* m_dSemitonesChange is updated.
this->Calc_ToFrequency();
m_bLoopDetect = true;
@ -817,15 +799,15 @@ void ChangePitchDialog::OnPreview(wxCommandEvent & WXUNUSED(event))
TransferDataFromWindow();
// Save & restore parameters around Preview, because we didn't do OK.
double oldSemitonesChange = m_SemitonesChange;
if( m_PercentChange < -99.0)
double oldSemitonesChange = m_dSemitonesChange;
if( m_dPercentChange < -99.0)
{
m_PercentChange = -99.0;
m_dPercentChange = -99.0;
this->Update_Text_PercentChange();
}
mEffect->m_SemitonesChange = m_SemitonesChange;
mEffect->m_dSemitonesChange = m_dSemitonesChange;
mEffect->Preview();
mEffect->m_SemitonesChange = oldSemitonesChange;
mEffect->m_dSemitonesChange = oldSemitonesChange;
}
// helper fns for controls
@ -858,7 +840,7 @@ void ChangePitchDialog::Update_Text_SemitonesChange()
{
if (m_pTextCtrl_SemitonesChange) {
wxString str;
str.Printf(wxT("%.2f"), m_SemitonesChange);
str.Printf(wxT("%.2f"), m_dSemitonesChange);
m_pTextCtrl_SemitonesChange->SetValue(str);
}
}
@ -893,12 +875,12 @@ void ChangePitchDialog::Update_Text_PercentChange()
if (m_pTextCtrl_PercentChange) {
wxString str;
if ((m_ToFrequency > 0.0) && (m_ToFrequency <= DBL_MAX))
str.Printf(wxT("%.3f"), m_PercentChange);
str.Printf(wxT("%.3f"), m_dPercentChange);
else
str = wxT("");
m_pTextCtrl_PercentChange->SetValue(str);
bool bIsGoodValue = (m_PercentChange >= PERCENT_CHANGE_MIN) && (m_PercentChange <= PERCENT_CHANGE_MAX);
bool bIsGoodValue = (m_dPercentChange >= PERCENT_CHANGE_MIN) && (m_dPercentChange <= PERCENT_CHANGE_MAX);
this->FindWindow(wxID_OK)->Enable(bIsGoodValue);
this->FindWindow(ID_EFFECT_PREVIEW)->Enable(bIsGoodValue);
}
@ -907,10 +889,10 @@ void ChangePitchDialog::Update_Text_PercentChange()
void ChangePitchDialog::Update_Slider_PercentChange()
{
if (m_pSlider_PercentChange) {
double unwarped = m_PercentChange;
double unwarped = m_dPercentChange;
if (unwarped > 0.0)
// Un-warp values above zero to actually go up to PERCENTCHANGE_MAX.
unwarped = pow(m_PercentChange, (1.0 / PERCENTCHANGE_SLIDER_WARP));
unwarped = pow(m_dPercentChange, (1.0 / PERCENTCHANGE_SLIDER_WARP));
// Add 0.5 to unwarped so trunc -> round.
int newSetting = (int)(unwarped + 0.5);

View File

@ -1,15 +1,19 @@
/**********************************************************************
Audacity: A Digital Audio Editor
Audacity: A Digital Audio Editor
Audacity(R) is copyright (c) 1999-2012 Audacity Team.
License: GPL v2. See License.txt.
ChangePitch.h
Vaughan Johnson, Dominic Mazzoni, Steve Daulton
Vaughan Johnson, Dominic Mazzoni
Change Pitch effect provides raising or lowering
the pitch without changing the tempo.
******************************************************************//**
**********************************************************************/
\file ChangePitch.h
\brief Change Pitch effect provides raising or lowering
the pitch without changing the tempo.
*//*******************************************************************/
#if USE_SOUNDTOUCH
@ -23,14 +27,12 @@
#include <wx/slider.h>
#include <wx/spinctrl.h>
class EffectChangePitch : public EffectSoundTouch {
class EffectChangePitch : public EffectSoundTouch
{
public:
EffectChangePitch();
virtual wxString GetEffectName() {
return wxString(_("Change Pitch..."));
}
virtual wxString GetEffectName() { return wxString(_("Change Pitch...")); }
virtual std::set<wxString> GetEffectCategories() {
std::set<wxString> result;
@ -59,19 +61,13 @@ class EffectChangePitch : public EffectSoundTouch {
virtual bool PromptUser();
virtual bool TransferParameters( Shuttle & shuttle );
virtual bool CheckWhetherSkipEffect() { return (m_PercentChange == 0.0); }
virtual bool CheckWhetherSkipEffect() { return (m_dPercentChange == 0.0); }
virtual bool Process();
private:
int m_nFromPitch; // per PitchIndex()
int m_nToPitch; // per PitchIndex()
double m_SemitonesChange; // how many semitones to change pitch
float m_FromFrequency; // starting frequency of selection
float m_ToFrequency; // target frequency of selection
double m_PercentChange; // percent change to apply to pitch
double m_dSemitonesChange; // how many semitones to change pitch
double m_dStartFrequency; // starting frequency of first 0.2s of selection
double m_dPercentChange; // percent change to apply to frequency
friend class ChangePitchDialog;
};
@ -85,9 +81,11 @@ class wxRadioButton;
class wxString;
class wxTextCtrl;
class ChangePitchDialog:public EffectDialog {
class ChangePitchDialog : public EffectDialog
{
public:
ChangePitchDialog(EffectChangePitch * effect, wxWindow * parent);
ChangePitchDialog(EffectChangePitch * effect, wxWindow * parent,
double dSemitonesChange, double dStartFrequency);
void PopulateOrExchange(ShuttleGui & S);
bool TransferDataToWindow();
@ -95,13 +93,13 @@ class ChangePitchDialog:public EffectDialog {
private:
// calculations
void Calc_ToPitch(); // Update m_nToPitch from new m_SemitonesChange.
void Calc_ToPitch(); // Update m_nToPitch from new m_dSemitonesChange.
void Calc_ToOctave();
void Calc_SemitonesChange_fromPitches();
void Calc_SemitonesChange_fromOctaveChange();
void Calc_SemitonesChange_fromPercentChange();
void Calc_ToFrequency(); // Update m_ToFrequency from m_FromFrequency & m_PercentChange.
void Calc_PercentChange(); // Update m_PercentChange based on new m_SemitonesChange.
void Calc_ToFrequency(); // Update m_ToFrequency from m_FromFrequency & m_dPercentChange.
void Calc_PercentChange(); // Update m_dPercentChange based on new m_dSemitonesChange.
// handlers
void OnChoice_FromPitch(wxCommandEvent & event);
@ -130,8 +128,8 @@ class ChangePitchDialog:public EffectDialog {
void Update_Text_FromFrequency();
void Update_Text_ToFrequency();
void Update_Text_PercentChange(); // Update control per current m_PercentChange.
void Update_Slider_PercentChange(); // Update control per current m_PercentChange.
void Update_Text_PercentChange(); // Update control per current m_dPercentChange.
void Update_Slider_PercentChange(); // Update control per current m_dPercentChange.
private:
EffectChangePitch * mEffect;
@ -156,12 +154,12 @@ class ChangePitchDialog:public EffectDialog {
int m_nToPitch; // per PitchIndex()
int m_nToOctave; // per PitchOctave()
double m_SemitonesChange; // how many semitones to change pitch
double m_dSemitonesChange; // how many semitones to change pitch
float m_FromFrequency; // starting frequency of selection
float m_ToFrequency; // target frequency of selection
double m_FromFrequency; // starting frequency of selection
double m_ToFrequency; // target frequency of selection
double m_PercentChange; // percent change to apply to pitch
double m_dPercentChange; // percent change to apply to pitch
// Slider is (-100, 200], but textCtrls can set higher.
private:

View File

@ -418,7 +418,7 @@ LWSlider::LWSlider(wxWindow *parent,
if (orientation == wxHORIZONTAL)
maxValue = 36.0f;
else
maxValue = 36.0f; // for MixerBoard //vvv Previously was 6dB for MixerBoard, but identical for now.
maxValue = 36.0f; // for MixerBoard //v Previously was 6dB for MixerBoard, but identical for now.
stepValue = 1.0f;
speed = 0.5;
break;