Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-10-21 14:02:57 +02:00
Code Issues Releases Wiki Activity

TimeScale effect improvements, updating to sbsms 2, not including GUI changes (except removing obsolete transient sharpening option). See Bug 485.

Browse Source
This commit is contained in:
clayton.otey
2012-04-16 18:26:48 +00:00
parent aa0738a81a
commit 87fb427603
37 changed files with 12087 additions and 9726 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/effects/TimeScale.cpp
View File

@@ -23,6 +23,7 @@
#if USE_SBSMS
#include "TimeScale.h"
#include "sbsms.h"
#include "../ShuttleGui.h"
@@ -103,12 +104,6 @@ bool EffectTimeScale::TransferParameters( Shuttle & shuttle )
return true;
}
inline double InvertedPercentChangeToRatio(double percentChange)
{
//mchinen hack: invert the ratio so it works with the sbsms bug which requires the reciprocal number.
return 1.0/(1.0 + percentChange / 100.0);
}
inline double PercentChangeToRatio(double percentChange)
{
return 1.0 + percentChange / 100.0;
@@ -121,19 +116,16 @@ inline double HalfStepsToPercentChange(double halfSteps)
inline double PercentChangeToHalfSteps(double percentChange)
{
// mchinen: hack: take the negative of this so the correct value is displayed
// (see the InvertedPercentChangeToRatio hack for why this is needed)
return 17.312340490667560888319096172023 * log(PercentChangeToRatio(percentChange));
}
bool EffectTimeScale::Process()
{
// The pitch part of sbsms is backwards, so use an inverted function
double pitchStart = InvertedPercentChangeToRatio(m_PitchPercentChangeStart);
double pitchEnd = InvertedPercentChangeToRatio(m_PitchPercentChangeEnd);
double pitchStart = PercentChangeToRatio(m_PitchPercentChangeStart);
double pitchEnd = PercentChangeToRatio(m_PitchPercentChangeEnd);
double rateStart = PercentChangeToRatio(m_RatePercentChangeStart);
double rateEnd = PercentChangeToRatio(m_RatePercentChangeEnd);
this->EffectSBSMS::setParameters(rateStart,rateEnd,pitchStart,pitchEnd,m_PreAnalyze);
this->EffectSBSMS::setParameters(rateStart,rateEnd,pitchStart,pitchEnd,SlideLinearOutputRate,SlideLinearOutputRate,false,false,false);
return this->EffectSBSMS::Process();
}
@@ -298,23 +290,8 @@ void TimeScaleDialog::PopulateOrExchange(ShuttleGui & S)
}
S.EndStatic();
S.EndMultiColumn();
S.StartStatic(_("Options"));
{
S.StartHorizontalLay(wxEXPAND);
{
S.SetStyle(wxSL_HORIZONTAL);
/* i18n-hint: Transients are sounds like the onset of cymbals or drums.
They can get 'blurred' by sound stretching. This checkbox option
may make them sharper again. */
m_pCheckBox_PreAnalyze = S.Id(ID_CHECKBOX_PREANALYZE)
.AddCheckBox(_("Dynamic Transient Sharpening"), wxT("false"));
}
S.EndHorizontalLay();
}
S.EndStatic();
return;
return;
}
bool TimeScaleDialog::TransferDataToWindow()