/*
 * DFTProcessor.h
 *
 *  Created on: 29.04.2011
 *      Author: sven
 */

#ifndef DFTPROCESSOR_H_
#define DFTPROCESSOR_H_

#ifndef DFTAPP_PARAMETERS_H_
	#include "DFTAppParameters.h"
#endif

#include <vector>

struct SpectralData
{
	unsigned mFreq;
	double mAmplitude;
	double mPhase;
};

class DFTProcessor {
public:
	DFTProcessor(DFTAppParameters&);
	virtual ~DFTProcessor();
	const std::vector<double>& getInputData() const
	{
		return mInputData;
	}
	const std::vector<double>& getRe() const
	{
		return mRe;
	}
	const std::vector<double>& getIm() const
	{
		return mIm;
	}
	const std::vector<double>& getIdft() const
	{
		return mIdft;
	}
	const std::vector<SpectralData>& getSpectrum() const
	{
		return mSpectrum;
	}
private:
	DFTAppParameters& mParams;
	unsigned mNumDftSamples;
	unsigned mSampleRate;
	std::vector<double> mInputData;
	std::vector<double> mRe;
	std::vector<double> mIm;
	std::vector<double> mIdft;
	std::vector<SpectralData> mSpectrum;

	void writeSpectrumToCSV();
	void startGnuPlot();
};

#endif /* DFTPROCESSOR_H_ */