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VideoTelephony.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
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 * fax: ++49-241-80-22242
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 * _____________________________________________________________________________
 *
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 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
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 * You should have received a copy of the GNU Lesser General Public License
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#ifndef APPLICATIONS_SESSION_SERVER_VIDEOTELEPHONY_HPP
#define APPLICATIONS_SESSION_SERVER_VIDEOTELEPHONY_HPP

#include <APPLICATIONS/session/server/Session.hpp>

namespace applications { namespace session { namespace server {

      /* VideoTelephonyStates are used to see the voice Sessionphase */
      enum VideoTelephonyState
    {
      active = 1,
      inactive = 2
    };

      class VideoTelephony :
    public applications::session::server::Session

      {
      public:
    VideoTelephony(const wns::pyconfig::View& _pyco);
    ~VideoTelephony();

    void
    logNormalProjectedFarima(std::deque<double> _x, std::deque<double> _phiold, double _y,
                 double _phi, double _theta, double _m, double _sqrValue,
                 double _variance, int _k, double _logMean, double _logStd);

    void
    onData(const wns::osi::PDUPtr& _pdu);

    void
    onTimeout(const Timeout& _t);

    void
    calculateSLRangeDependency();

      private:
    int i;
    int j;
    int limit;
    int idx;

    /***** I Frame Generating *****/
    double fracI;
    double hurstI;
    int kI;
    std::deque<double> autocorrI;
    std::deque<double> phiInew;
    std::deque<double> phiIold;
    double pI;
    double nI;
    double dI;
    /* According to "IEEE 802.16m Evaluation Methodology Document(2009), Page 118,
       section 10.5", the I-frame packetsize is Weibull distributed. */
    wns::distribution::Distribution* logNormDisI;
    double logNormValueI;
    double logMeanI;
    double logStdI;
    double meanI;
    double varianceI;
    std::deque<double> xI;
    double yI;
    double phiI;
    double thetaI;
    double mI;
    double sqrValueI;

    /***** B Frame Generating*****/
    double fracB;
    double hurstB;
    int kB;
    std::deque<double> autocorrB;
    std::deque<double> phiBnew;
    std::deque<double> phiBold;
    double pB;
    double nB;
    double dB;
    /* According to "IEEE 802.16m Evaluation Methodology Document(2009), Page 118,
       section 10.5", the B-frame packetsize is Lognormal distributed. */
    wns::distribution::Distribution* logNormDisB;
    double logNormValueB;
    double logMeanB;
    double logStdB;
    double meanB;
    double varianceB;
    std::deque<double> xB;
    double yB;
    double phiB;
    double thetaB;
    double mB;
    double sqrValueB;

    /***** P Frame Generating*****/
    double fracP;
    double hurstP;
    int kP;
    std::deque<double> autocorrP;
    std::deque<double> phiPnew;
    std::deque<double> phiPold;
    double pP;
    double nP;
    double dP;
    /* According to "IEEE 802.16m Evaluation Methodology Document(2009), Page 118,
       section 10.5", the P-frame packetsize is Lognormal distributed. */
    wns::distribution::Distribution* logNormDisP;
    double logNormValueP;
    double logMeanP;
    double logStdP;
    double meanP;
    double varianceP;
    std::deque<double> xP;
    double yP;
    double phiP;
    double thetaP;
    double mP;
    double sqrValueP;

    /* Used in logNormalProjectedFarima() */
    double mean;
    int n;
    wns::distribution::Distribution* distribution;
    double distributionValue;
    double normMean;
    double variance;

    /* Voice parameters */
    bool comfortNoise;
    Bit voicePacketSize;
    Bit comfortNoisePacketSize;

    wns::simulator::Time voicePacketIat;

    wns::simulator::Time videoPacketIat;
    int videoFrameRate;

      private:
    bool byteFlag;

    /* According to "IMT-Adv. ITU-R M.2135" every 20ms it is decided if a state transition takes place. */
    wns::distribution::Distribution* stateTransitionDistribution;
    int cnCounter;

    applications::session::server::VideoTelephonyState voiceState;

    int bFrameCounter;
    int gopCounter;
    bool newGOP;

      };
    } // namespace server
  } // namespace session
} // namespsce applications

#endif //APPLICATIONS_SESSION_SERVER_VIDEOTELEPHONY_HPP

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