Cardiac.cpp

#include "stdafx.h"
#include "Cardiac.h"


Cardiac::Cardiac()
{	
	bufferThresh = 50;
	filtered = std::vector<float>();
}

void Cardiac::Execute(std::vector<float> &freqsIn, Mat &fftIn, 
		float lowerLimit, float upperLimit, bool makeFiltered, char* operation)
{
	bandProcess = BandProcess(freqsIn, fftIn, lowerLimit/60.0, upperLimit/60.0, makeFiltered, operation);

	bandProcess.Execute();

	freqs = bandProcess.freqs;

	// each heartbeat for a minute
	for(int i = 0; i < freqs.size(); i++)
		freqs[i] =  freqs[i] * 60;
	
	pulseBuffer.push_back(bandProcess.peak_hz * 60);

	// max 50 heartbeat in pulsebuffer
	if(pulseBuffer.size() > bufferThresh)
	{
		pulseBuffer = std::vector<float>(pulseBuffer.begin() +1, pulseBuffer.end());
	}

	float bpmSum = 0;
	for(int i = 0; i < pulseBuffer.size(); i++)
	{
		bpmSum += pulseBuffer[i];
	}

	// mean value
	bpm = (bpmSum / pulseBuffer.size());
	
	magnitude = bandProcess.magnitude;
	filtered =  bandProcess.filtered;

	phase = bandProcess.phase;
}