MASoundBasicAnalyzer.hpp

/*
 *  This file is part of the AiBO+ project
 *
 *  Copyright (C) 2005-2016 Csaba Kertész (csaba.kertesz@gmail.com)
 *
 *  AiBO+ 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
 *  (at your option) any later version.
 *
 *  AiBO+ 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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
 *
 */

#pragma once

#include "ml/MAAnalyzer.hpp"

#include <MCBinaryData.hpp>
#include <MCDefs.hpp>
#include <MCTypes.hpp>

#include <boost/scoped_ptr.hpp>

class FilterBankWrapper;
class MARobotState;

class MASoundBasicAnalyzer : public MAAnalyzer
{
public:

  explicit MASoundBasicAnalyzer(unsigned int frequency, bool only_mfcc_components = false);
  virtual ~MASoundBasicAnalyzer();

  virtual void AddSamples(const MARobotState& robot_state) override;
  virtual void Reset() override;
  virtual bool IsValid() const override;

  virtual MC::FloatList GetFeatureVector() override;

  MC::FloatTable GetFeatureVectors(unsigned int desired_vector_count = 0, unsigned int erased_vector_count = 0);

  unsigned int GetFeatureVectorCount() const;

  void AddSoundData(const MCBinaryData& raw_data);

  void AddSoundData(const MC::DoubleList& raw_data);

protected:

  virtual void GenerateFeatureVectors();

  MC::FloatList ApplyHorizontalFeatures(const MC::FloatList& vector);

  virtual MC::FloatList CalculateHorizontalFeatures();

  MC::DoubleTable GenerateHannWindows(const MC::DoubleList& audio_data, int& remaining_count);

  // STATIC VARIABLES
  static const int MfccCount;
  // NON-STATIC VARIABLES
  double Frequency;
  int WindowSize;
  boost::scoped_ptr<FilterBankWrapper> Wrapper;
  MC::DoubleTable DataWindows;
  MC::DoubleList LastDeltaFrame;
  MC::DoubleList LastMmbsesDeltaFrame;
  MC::FloatTable FeatureVectors;
  int SlidingWindowLimit;
  MC::FloatTable SlidingWindow;
  MC::DoubleList Buffer;
  double* HannWindow;
  int* BarkBandLimits;
  bool OnlyMfccCoefs;
};