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changes to ensure that when clipping is unchecked, then both on opening, and setting peak to 0, preview and ok are available

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This commit is contained in:
David Bailes 2015-05-07 10:16:52 +01:00
parent c487b920ca
commit 5a25efde02
1 changed files with 13 additions and 9 deletions
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22
src/effects/Amplify.cpp
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@ -163,7 +163,7 @@ void EffectAmplify::PopulateOrExchange(ShuttleGui & S)
{
if (mPeak > 0.0)
{
mRatio = 1.0 / mPeak;
mRatio = 1.0f / mPeak;
}
else
{
@ -226,9 +226,10 @@ void EffectAmplify::PopulateOrExchange(ShuttleGui & S)
bool EffectAmplify::TransferDataToWindow()
{
// limit range of gain
float dB = TrapFloat(20.0f * log10f(mRatio) * SCL_Amp, MIN_Amp * SCL_Amp, MAX_Amp * SCL_Amp) / SCL_Amp;
mRatio = powf(10.0f, dB / 20.0f);
float dBInit = 20.0f*log10f(mRatio);
float dB = TrapFloat(dBInit, MIN_Amp, MAX_Amp);
if (dB != dBInit)
mRatio = powf(10.0f, dB / 20.0f);
mAmp = 20.0f * log10f(mRatio);
mAmpT->GetValidator()->TransferToWindow();
@ -268,8 +269,7 @@ bool EffectAmplify::TransferDataFromWindow()
void EffectAmplify::CheckClip()
{
float peak = mRatio * mPeak;
EnableApply(mClip->GetValue() || (peak > 0.0f && peak <= 1.0f));
EnableApply(mClip->GetValue() || (mPeak > 0.0f && mRatio <= 1.0f/mPeak));
}
void EffectAmplify::OnAmpText(wxCommandEvent & WXUNUSED(evt))
@ -298,10 +298,14 @@ void EffectAmplify::OnPeakText(wxCommandEvent & WXUNUSED(evt))
return;
}
float r = powf(10.0f, mNewPeak / 20.0f) / mPeak;
float temp = powf(10.0f, 0.0/20.0f );
mAmp = TrapFloat(20.0f * log10f(r) * SCL_Amp, MIN_Amp * SCL_Amp, MAX_Amp * SCL_Amp) / SCL_Amp;
mRatio = powf(10.0f, mAmp / 20.0f);
mRatio = powf(10.0f, mNewPeak / 20.0f) / mPeak;
float ampInit = 20.0f * log10f(mRatio);
mAmp = TrapFloat(ampInit, MIN_Amp, MAX_Amp);
if (mAmp != ampInit)
mRatio = powf(10.0f, mAmp / 20.0f);
mAmpT->GetValidator()->TransferToWindow();