miprtppacketgrouper.h

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/*
    
  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 MIPRTPPACKETGROUPER_H

#define MIPRTPPACKETGROUPER_H

#include "mipconfig.h"
#include "miperrorbase.h"
#include "miptypes.h"
#include <vector>
#include <list>

namespace jrtplib
{
        class RTPPacket;
}

class EMIPLIB_IMPORTEXPORT MIPRTPPacketGrouper : public MIPErrorBase
{
public:
        MIPRTPPacketGrouper();
        ~MIPRTPPacketGrouper();

        bool init(uint32_t ssrc, int bufSize = 128);

        void clear();

        bool processPacket(const jrtplib::RTPPacket *pPack, bool isFirstFramePart);

        void getNextQueuedPacket(std::vector<uint8_t *> &parts, std::vector<size_t> &partSizes, uint32_t &timestamp);
private:
        //void printTable();
        void checkCompletePacket(int index, std::vector<uint8_t *> &parts, std::vector<size_t> &partSizes, uint32_t &packetTimestamp);
        void checkMaximumQueueLength();

        std::vector<uint32_t> m_extendedSequenceNumbers;
        std::vector<uint32_t> m_timestamps;
        std::vector<bool> m_skipFlags;
        std::vector<uint8_t *> m_packetParts;
        std::vector<size_t> m_partSizes;
        std::vector<bool> m_markers;
        std::vector<bool> m_firstPartMarkers;
        int m_startPosition;
        uint32_t m_ssrc;

        std::list<std::vector<uint8_t *> > m_partQueue;
        std::list<std::vector<size_t> > m_partSizeQueue;
        std::list<uint32_t> m_timestampQueue;
};

#endif // MIPRTPPACKETGROUPER_H