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/*
* ZamNoise Noise detection and removal plugin
* Copyright (C) 2014 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 "ZamNoisePlugin.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
ZamNoisePlugin::ZamNoisePlugin()
: Plugin(paramCount, 1, 0) // 1 program, 0 states
{
ZamNoisePlugin::init(getSampleRate());
zamnoise = new Denoise(getSampleRate());
// set default values
loadProgram(0);
// reset
deactivate();
}
ZamNoisePlugin::~ZamNoisePlugin()
{
free(buffer.cbi);
delete zamnoise;
}
// -----------------------------------------------------------------------
// Init
void ZamNoisePlugin::initParameter(uint32_t index, Parameter& parameter)
{
switch (index)
{
case paramNoiseToggle:
parameter.hints = kParameterIsAutomable | kParameterIsBoolean;
parameter.name = "Noise Capture";
parameter.symbol = "noisecapture";
parameter.unit = "";
parameter.ranges.def = 0.f;
parameter.ranges.min = 0.f;
parameter.ranges.max = 1.f;
break;
default:
break;
}
}
void ZamNoisePlugin::initProgramName(uint32_t index, String& programName)
{
if (index != 0)
return;
programName = "Default";
}
// -----------------------------------------------------------------------
// Internal data
float ZamNoisePlugin::getParameterValue(uint32_t index) const
{
switch (index)
{
case paramNoiseToggle:
return noisetoggle;
break;
default:
return 0.0f;
break;
}
}
void ZamNoisePlugin::setParameterValue(uint32_t index, float value)
{
switch (index)
{
case paramNoiseToggle:
if (value == 1.f) {
memset(buffer.cbi, 0, buffer.cbsize*sizeof(float));
}
noisetoggle = value;
break;
}
}
void ZamNoisePlugin::loadProgram(uint32_t index)
{
if (index != 0)
return;
noisetoggle = 0.f;
activate();
}
void ZamNoisePlugin::InstantiateCircularBuffer(CircularBuffer* buffer, unsigned long SampleRate) {
buffer->cbsize = 16384;
buffer->cbi = (float*) calloc(buffer->cbsize, sizeof(float));
}
void ZamNoisePlugin::init (float fsamp)
{
InstantiateCircularBuffer(&buffer,fsamp);
unsigned long N=buffer.cbsize;
noverlap = 2;
}
// -----------------------------------------------------------------------
// Process
void ZamNoisePlugin::activate()
{
}
void ZamNoisePlugin::deactivate()
{
}
void ZamNoisePlugin::run(const float** inputs, float** outputs, uint32_t frames)
{
zamnoise->process(inputs[0], outputs[0], buffer.cbi, frames, (int)noisetoggle);
}
// -----------------------------------------------------------------------
Plugin* createPlugin()
{
return new ZamNoisePlugin();
}
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
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