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/*
* ZamChild670 Stereo tube limiter
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/
#include "ZamChild670Plugin.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
ZamChild670Plugin::ZamChild670Plugin()
: Plugin(paramCount, 1, 0) // 1 program, 0 states
{
// set default values
inputLevel = from_dB(-12.0);
ACThreshold = 0.2;
timeConstantSelect = 2;
DCThreshold = 0.0;
outputGain = from_dB(0.0);
params = new Wavechild670Parameters(inputLevel,
ACThreshold, timeConstantSelect, DCThreshold,
inputLevel, ACThreshold, timeConstantSelect, DCThreshold,
true, false, true, outputGain, false);
zamchild = new Wavechild670(getSampleRate(), *params);
loadProgram(0);
}
ZamChild670Plugin::~ZamChild670Plugin()
{
delete params;
delete zamchild;
}
// -----------------------------------------------------------------------
// Init
void ZamChild670Plugin::initParameter(uint32_t index, Parameter& parameter)
{
switch (index)
{
case paramInlevel:
parameter.hints = kParameterIsAutomable;
parameter.name = "Input level";
parameter.symbol = "inlevel";
parameter.unit = "dB";
parameter.ranges.def = -12.0f;
parameter.ranges.min = -20.0f;
parameter.ranges.max = 0.0f;
break;
case paramAC:
parameter.hints = kParameterIsAutomable;
parameter.name = "AC Threshold";
parameter.symbol = "acthres";
parameter.unit = "";
parameter.ranges.def = 0.2f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
break;
case paramDC:
parameter.hints = kParameterIsAutomable;
parameter.name = "DC Threshold";
parameter.symbol = "dcthres";
parameter.unit = "";
parameter.ranges.def = 0.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
break;
case paramTau:
parameter.hints = kParameterIsAutomable | kParameterIsInteger;
parameter.name = "Time constant select";
parameter.symbol = "tau";
parameter.unit = " ";
parameter.ranges.def = 2.0f;
parameter.ranges.min = 1.0f;
parameter.ranges.max = 6.0f;
break;
case paramOutlevel:
parameter.hints = kParameterIsAutomable;
parameter.name = "Output level";
parameter.symbol = "outlevel";
parameter.unit = "dB";
parameter.ranges.def = 0.0f;
parameter.ranges.min = -20.0f;
parameter.ranges.max = 20.0f;
break;
}
}
void ZamChild670Plugin::initProgramName(uint32_t index, String& programName)
{
if (index != 0)
return;
programName = "Default";
}
// -----------------------------------------------------------------------
// Internal data
float ZamChild670Plugin::getParameterValue(uint32_t index) const
{
switch (index)
{
case paramInlevel:
return inputLevel;
break;
case paramAC:
return ACThreshold;
break;
case paramDC:
return DCThreshold;
break;
case paramTau:
return timeConstantSelect;
break;
case paramOutlevel:
return outputGain;
break;
default:
return 0.0f;
}
}
void ZamChild670Plugin::setParameterValue(uint32_t index, float value)
{
switch (index)
{
case paramInlevel:
inputLevel = value;
break;
case paramAC:
ACThreshold = value;
break;
case paramDC:
DCThreshold = value;
break;
case paramTau:
timeConstantSelect = value;
break;
case paramOutlevel:
outputGain = value;
break;
}
}
void ZamChild670Plugin::loadProgram(uint32_t index)
{
if (index != 0)
return;
/* Default parameter values */
inputLevel = from_dB(-12.0);
ACThreshold = 0.2;
timeConstantSelect = 2;
DCThreshold = 0.0;
outputGain = from_dB(0.0);
/* reset filter values */
activate();
}
// -----------------------------------------------------------------------
// Process
void ZamChild670Plugin::activate()
{
params->inputLevelA = params->inputLevelB = from_dB(inputLevel);
params->ACThresholdA = params->ACThresholdB = ACThreshold;
params->timeConstantSelectA = params->timeConstantSelectB = timeConstantSelect;
params->DCThresholdA = params->DCThresholdB = DCThreshold;
params->outputGain = from_dB(outputGain);
zamchild->setParameters(*params);
zamchild->warmUp();
}
void ZamChild670Plugin::run(const float** inputs, float** outputs, uint32_t frames)
{
params->inputLevelA = params->inputLevelB = from_dB(inputLevel);
params->ACThresholdA = params->ACThresholdB = ACThreshold;
params->timeConstantSelectA = params->timeConstantSelectB = timeConstantSelect;
params->DCThresholdA = params->DCThresholdB = DCThreshold;
params->outputGain = from_dB(outputGain);
zamchild->setParameters(*params);
zamchild->process(inputs, outputs, (ulong)frames);
}
// -----------------------------------------------------------------------
Plugin* createPlugin()
{
return new ZamChild670Plugin();
}
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
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