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Bug 1576 - Assert when New Length is zero in Change Speed effect

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This commit is contained in:
Steve Daulton
2017-01-10 18:16:41 +00:00
committed by James Crook
parent 67810d35bf
commit d9f7b3605f
2 changed files with 20 additions and 5 deletions
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15
src/effects/ChangeSpeed.cpp
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@@ -299,7 +299,7 @@ void EffectChangeSpeed::PopulateOrExchange(ShuttleGui & S)
S.StartMultiColumn(4, wxCENTER);
{
FloatingPointValidator<double> vldMultiplier(3, &mMultiplier, NUM_VAL_THREE_TRAILING_ZEROES);
vldMultiplier.SetRange(MIN_Percentage / 100.0, MAX_Percentage / 100.0);
vldMultiplier.SetRange(MIN_Percentage / 100.0, ((MAX_Percentage / 100.0) + 1));
mpTextCtrl_Multiplier =
S.Id(ID_Multiplier).AddTextBox(_("Speed Multiplier:"), wxT(""), 12);
mpTextCtrl_Multiplier->SetValidator(vldMultiplier);
@@ -652,6 +652,8 @@ void EffectChangeSpeed::OnTimeCtrl_ToLength(wxCommandEvent & WXUNUSED(evt))
return;
mToLength = mpToLengthCtrl->GetValue();
// Division by (double) 0.0 is not an error and we want to show "infinite" in
// text controls, so take care that we handle infinite values when they occur.
m_PercentChange = ((mFromLength * 100.0) / mToLength) - 100.0;
UpdateUI();
@@ -698,8 +700,11 @@ void EffectChangeSpeed::Update_Slider_PercentChange()
// Un-warp values above zero to actually go up to kSliderMax.
unwarped = pow(m_PercentChange, (1.0 / kSliderWarp));
// Add 0.5 to unwarped so trunc -> round.
mpSlider_PercentChange->SetValue((int)(unwarped + 0.5));
// Caution: m_PercentChange could be infinite.
int unwarpedi = (int)(unwarped + 0.5);
unwarpedi = std::min<int>(std::max<int>(unwarpedi, (int)kSliderMax), (int)MAX_Percentage);
mpSlider_PercentChange->SetValue(unwarpedi);
}
void EffectChangeSpeed::Update_Vinyl()
@@ -707,7 +712,9 @@ void EffectChangeSpeed::Update_Vinyl()
{
// Match Vinyl rpm when within 0.01% of a standard ratio.
// Ratios calculated as: ((toRPM / fromRPM) - 1) * 100 * 100
int ratio = wxRound(m_PercentChange * 100);
// Caution: m_PercentChange could be infinite
int ratio = (int)((m_PercentChange * 100) + 0.5);
switch (ratio)
{