void EffectDistortion::HardLimiter()
{
// The LADSPA "hardLimiter 1413" is basically hard clipping,
// but with a 'kind of' wet/dry mix:
// out = ((wet-residual)*clipped) + (residual*in)
HardClip();
}
void EffectNode::Process(unsigned int bufsize)
{
if (bufsize>(unsigned int)m_Output.GetLength())
{
m_Output.Allocate(bufsize);
}
ProcessChildren(bufsize);
if (ChildExists(0) && !GetChild(0)->IsTerminal() && ChildExists(1))
{
if (m_Type==CLIP)
{
m_Output=GetInput(0);
if (GetChild(1)->IsTerminal())
{
HardClip(m_Output, GetChild(1)->GetCVValue());
}
else
{
MovingHardClip(m_Output, GetInput(1));
}
}
else if (m_Type==DISTORT)
{
m_Output=GetInput(0);
if (GetChild(1)->IsTerminal())
{
Distort(m_Output, GetChild(1)->GetCVValue());
}
else
{
MovingDistort(m_Output, GetInput(1));
}
}
else if (ChildExists(2))
{
switch (m_Type)
{
case CRUSH : m_Output=GetInput(0); Crush(m_Output, GetChild(1)->GetCVValue(), GetChild(2)->GetCVValue()); break;
case DELAY :
{
m_Delay.SetDelay(GetChild(1)->GetCVValue());
m_Delay.SetFeedback(GetChild(2)->GetCVValue());
m_Delay.Process(bufsize, GetInput(0), m_Output); break;
}
default :
assert(0);
break;
}
}
}
}
void EffectDistortion::MakeTable()
{
switch (mParams.mTableChoiceIndx)
{
case kHardClip:
HardClip();
break;
case kSoftClip:
SoftClip();
break;
case kHalfSinCurve:
HalfSinTable();
break;
case kExpCurve:
ExponentialTable();
break;
case kLogCurve:
LogarithmicTable();
break;
case kCubic:
CubicTable();
break;
case kEvenHarmonics:
EvenHarmonicTable();
break;
case kSinCurve:
SineTable();
break;
case kLeveller:
Leveller();
break;
case kRectifier:
Rectifier();
break;
case kHardLimiter:
HardLimiter();
break;
}
}
