#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>

#include <lvtk-1/lvtk/plugin.hpp>

#include "amplitude.hpp"

using namespace lvtk;

Amplitude::Amplitude(double rate)
:Plugin<Amplitude>(p_n_ports)
 {
 }

void Amplitude::run(uint32_t nframes)
{
	if(*p(p_oldMin) == *p(p_oldMax))
	{
		for (unsigned int l2 = 0; l2 < nframes; l2++)
		{
			p(p_output)[l2] = 0;
		}
		return;
	}

	for (unsigned int l2 = 0; l2 < nframes; l2++)
	{
		p(p_output)[l2] = ((p(p_input)[l2] - *p(p_oldMin)) / (*p(p_oldMax) - *p(p_oldMin))) * (*p(p_newMax) - *p(p_newMin)) + *p(p_newMin);
	}
}

static int _ = Amplitude::register_class("http://avwlv2.sourceforge.net/plugins/avw/amplitude");