DSMCCSectionPayload.h

/******************************************************************************
Este arquivo eh parte da implementacao do ambiente declarativo do middleware
Ginga (Ginga-NCL).

Direitos Autorais Reservados (c) 1989-2007 PUC-Rio/Laboratorio TeleMidia

Este programa eh software livre; voce pode redistribui-lo e/ou modificah-lo sob
os termos da Licenca Publica Geral GNU versao 2 conforme publicada pela Free
Software Foundation.

Este programa eh distribuido na expectativa de que seja util, porem, SEM
NENHUMA GARANTIA; nem mesmo a garantia implicita de COMERCIABILIDADE OU
ADEQUACAO A UMA FINALIDADE ESPECIFICA. Consulte a Licenca Publica Geral do
GNU versao 2 para mais detalhes.

Voce deve ter recebido uma copia da Licenca Publica Geral do GNU versao 2 junto
com este programa; se nao, escreva para a Free Software Foundation, Inc., no
endereco 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.

Para maiores informacoes:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
******************************************************************************
This file is part of the declarative environment of middleware Ginga (Ginga-NCL)

Copyright: 1989-2007 PUC-RIO/LABORATORIO TELEMIDIA, All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.

This program 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 version 2 for more
details.

You should have received a copy of the GNU General Public License version 2
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

For further information contact:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
*******************************************************************************/

#ifndef DSMCCSectionPayload_H_
#define DSMCCSectionPayload_H_

#include <string.h>
#include <stdint.h>

#include "Crc.h"
#include "MpegDescriptor.h"

#include "NPTReference.h"
#include "NPTEndpoint.h"
#include "StreamMode.h"

#include <map>
using namespace std;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace core {
namespace dataprocessing {
namespace dsmcc {
namespace npt {

class DSMCCSectionPayload {
    protected:
        unsigned short privateDataLength;
        char* privateDataByte;

        vector<MpegDescriptor*>* dsmccDescritorList;
        unsigned int checksum;

        char* payload;
        unsigned int payloadSize;

        int processSectionPayload();
        int updateStream();
        int calculateSectionSize();

        void clearDsmccDescritor();
        void deleteDescriptor(MpegDescriptor* desc);

        /*
         * if (tableId == 3D) {
         *     tableIdExtension = dataEventId & eventMsgGroupId
         * }
         */
    public:
        DSMCCSectionPayload(char* data, unsigned int length);
        virtual ~DSMCCSectionPayload();

        vector<MpegDescriptor*>* getDsmccDescritorList();
        unsigned int getChecksum();
        void setChecksum(unsigned int cs);
        int getPrivateDataByte(char** dataStream);
        int setPrivateDataByte(char* data, unsigned short length);

        void addDsmccDescriptor(MpegDescriptor* d);
        void removeDsmccDescriptor(unsigned char descriptorTag);
};

}
}
}
}
}
}
}
}

#endif /* DSMCCSectionPayload_H_ */