miphrirlisten.h

Go to the documentation of this file.

/*
    
  This file is a part of EMIPLIB, the EDM Media over IP Library.
  
  Copyright (C) 2006-2011  Hasselt University - Expertise Centre for
                      Digital Media (EDM) (http://www.edm.uhasselt.be)

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  
  USA

*/

#ifndef MIPHRIRLISTEN_H

#define MIPHRIRLISTEN_H

#include "mipconfig.h"
#include "miphrirbase.h"
#include <cmath>
#include <list>

class MIPRawFloatAudioMessage;

class EMIPLIB_IMPORTEXPORT MIPHRIRListen : public MIPHRIRBase
{
public:
        MIPHRIRListen();
        ~MIPHRIRListen();

        bool init(const std::string &baseDirectory, int maxFilterLength = 48, 
                  bool allowAmbientSound = true, bool useDistance = true);

        bool destroy();

        bool selectHRIRSet(int subjectNumber, bool compensated = true);

        int getSamplingRate() const                                                             { return m_sampingRate; }

        bool getSubjectNumbers(std::list<int> &subjectNumbers, bool compensated = true);
        
        bool push(const MIPComponentChain &chain, int64_t iteration, MIPMessage *pMsg);
        bool pull(const MIPComponentChain &chain, int64_t iteration, MIPMessage **pMsg);
private:
        void clearMessages();
        void clearHRIRSets();
        bool searchDirectory(const std::string &path, bool reportOpenError = false);
        bool processFile(const std::string &baseDir, const std::string &fileName);
        
        bool m_init;
        bool m_ambient;
        bool m_useDistance;
        int m_sampingRate;
        int m_maxFilterLength;
        
        std::list<HRIRInfo *> m_rawHRIRSets;
        std::list<HRIRInfo *> m_compensatedHRIRSets;
        
        HRIRInfo *m_pCurHRIRSet;

        int64_t m_prevIteration;
        std::list<MIPRawFloatAudioMessage *> m_messages;
        std::list<MIPRawFloatAudioMessage *>::const_iterator m_msgIt;
};

#endif // MIPHRIRLISTEN_H