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VideoTelephony.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
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 * 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
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#ifndef APPLICATIONS_SESSION_CLIENT_WIMAX_VIDEOTELEPHONY_HPP
#define APPLICATIONS_SESSION_CLIENT_WIMAX_VIDEOTELEPHONY_HPP

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

namespace applications { namespace session { namespace client { namespace wimax {

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

    class VideoTelephony :
    public applications::session::client::Session
    {
    public:
      VideoTelephony(const wns::pyconfig::View& _pyco);
      ~VideoTelephony();

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

      void
      onTimeout(const Timeout& _t);

    private:
      /* in sec. */
      wns::simulator::Time stateDuration;

      /* Voice parameters */
      bool comfortNoise;
      Bit voicePacketSize;
      Bit comfortNoisePacketSize;
      wns::simulator::Time voicePacketIat;

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

    private:
      /* According to "IEEE 802.16m Evaluation Methodology Document(2009), Page 115, section 10.5",
         the mean I frame size is 4742 byte. The values are Weibull distributed. */
      wns::distribution::Distribution* iFramePacketSizeDistribution;
      /* The distributed value has to be shifted. */
      double shiftI;

      /* According to "IEEE 802.16m Evaluation Methodology Document(2009), Page 115, section 10.5",
         the mean B frame size is 259 byte. The values are Lognormal distributed. */
      wns::distribution::Distribution* bFramePacketSizeDistribution;

      /* According to "IEEE 802.16m Evaluation Methodology Document(2009), Page 115, section 10.5",
         the mean B frame size is 147 byte. The values are Lognormal distributed. */
      wns::distribution::Distribution* pFramePacketSizeDistribution;

      /* 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::client::wimax::WiMAXVideoTelephonyState voiceState;

      int bFrameCounter;
      int gopCounter;
      bool newGOP;
      bool iFrame;
      bool bFrame;
      bool pFrame;

    };
      }// namespace wimax
    } // namespace client
  } // namespace session
} // namespsce applications

#endif //APPLICATIONS_SESSION_CLIENT_WIMAX_VIDEOTELEPHONY_HPP

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