h323rtp.h

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/*
 * h323rtp.h
 *
 * H.323 RTP protocol handler
 *
 * Open H323 Library
 *
 * Copyright (c) 1998-2001 Equivalence Pty. Ltd.
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is Open H323 Library.
 *
 * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
 *
 * Portions of this code were written with the assisance of funding from
 * Vovida Networks, Inc. http://www.vovida.com.
 *
 * Contributor(s): ______________________________________.
 *
 * $Revision: 28351 $
 * $Author: rjongbloed $
 * $Date: 2012-09-14 10:58:35 +1000 (Fri, 14 Sep 2012) $
 */

#ifndef OPAL_H323_H323RTP_H
#define OPAL_H323_H323RTP_H

#ifdef P_USE_PRAGMA
#pragma interface
#endif

#include <opal/buildopts.h>

#if OPAL_H323

#include <h323/channels.h>
#include <rtp/rtp_session.h>


class H225_RTPSession;

class H245_TransportAddress;
class H245_H2250LogicalChannelParameters;
class H245_H2250LogicalChannelAckParameters;
class H245_ArrayOf_GenericInformation;

class H323Connection;
class H323_RTPChannel;

class H245_TransportCapability;



class H323_RTPChannel : public H323_RealTimeChannel
{
    PCLASSINFO(H323_RTPChannel, H323_RealTimeChannel);
  public:
    H323_RTPChannel(
      H323Connection & connection,        
      const H323Capability & capability,  
      Directions direction,               
      OpalMediaSession & session          
    );

    ~H323_RTPChannel();

    virtual unsigned GetSessionID() const;

    virtual bool SetSessionID(
      unsigned sessionID   
    );

    virtual PBoolean GetMediaTransportAddress(
      OpalTransportAddress & data,        
      OpalTransportAddress & control      
    ) const;

    virtual PBoolean OnSendingPDU(
      H245_H2250LogicalChannelParameters & param  
    ) const;

    virtual PBoolean OnSendingAltPDU(
      H245_ArrayOf_GenericInformation & alternate  
    ) const;

    virtual void OnSendOpenAck(
      H245_H2250LogicalChannelAckParameters & param 
    ) const;

    virtual PBoolean OnReceivedPDU(
      const H245_H2250LogicalChannelParameters & param, 
      unsigned & errorCode                              
    );

    virtual PBoolean OnReceivedAckPDU(
      const H245_H2250LogicalChannelAckParameters & param 
    );

    virtual PBoolean OnReceivedAckAltPDU(
      const H245_ArrayOf_GenericInformation & alternate  
    );

    virtual void OnSendRasInfo(
      H225_RTPSession & info  
    );

#if 0 // NOTE QOS? 

    virtual PBoolean WriteTransportCapPDU(
       H245_TransportCapability & cap,      
       const H323_RTPChannel & channel    
       ) const;

    virtual void ReadTransportCapPDU(
    const H245_TransportCapability & cap,    
    H323_RTPChannel & channel        
        );
#endif
  
  protected:
    virtual bool ExtractTransport(
      const H245_TransportAddress & pdu,
      bool isDataPort,
      unsigned & errorCode
    );

  protected:
    OpalMediaSession & m_session;
};


#endif // OPAL_H323

#endif // OPAL_H323_H323RTP_H