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154 lines
4.6 KiB
C++
154 lines
4.6 KiB
C++
/*
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This file is a part of JRTPLIB
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Copyright (c) 1999-2017 Jori Liesenborgs
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Contact: jori.liesenborgs@gmail.com
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This library was developed at the Expertise Centre for Digital Media
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(http://www.edm.uhasselt.be), a research center of the Hasselt University
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(http://www.uhasselt.be). The library is based upon work done for
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my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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/**
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* \file rtprawpacket.h
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*/
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#ifndef RTPRAWPACKET_H
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#define RTPRAWPACKET_H
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#include "rtpconfig.h"
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#include "rtptimeutilities.h"
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#include "rtpaddress.h"
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#include "rtptypes.h"
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namespace qrtplib
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{
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/** This class is used by the transmission component to store the incoming RTP and RTCP data in. */
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class RTPRawPacket
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{
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public:
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/** Creates an instance which stores data from \c data with length \c datalen.
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* Creates an instance which stores data from \c data with length \c datalen. Only the pointer
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* to the data is stored, no actual copy is made! The address from which this packet originated
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* is set to \c address and the time at which the packet was received is set to \c recvtime.
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* The flag which indicates whether this data is RTP or RTCP data is set to \c rtp. A memory
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* manager can be installed as well.
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*/
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RTPRawPacket(const uint8_t *data, std::size_t datalen, const RTPAddress& address, RTPTime &recvtime, bool rtp);
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~RTPRawPacket();
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/** Returns the pointer to the data which is contained in this packet. */
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uint8_t *GetData()
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{
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return packetdata;
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}
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/** Returns the length of the packet described by this instance. */
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std::size_t GetDataLength() const
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{
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return packetdatalength;
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}
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/** Returns the time at which this packet was received. */
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RTPTime GetReceiveTime() const
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{
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return receivetime;
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}
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/** Returns the address stored in this packet. */
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const RTPAddress& GetSenderAddress() const
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{
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return senderaddress;
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}
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/** Returns \c true if this data is RTP data, \c false if it is RTCP data. */
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bool IsRTP() const
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{
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return isrtp;
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}
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/** Deallocates the previously stored data and replaces it with the data that's
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* specified, can be useful when e.g. decrypting data in RTPSession::OnChangeIncomingData */
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void SetData(const uint8_t *data, std::size_t datalen);
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/** Deallocates the currently stored RTPAddress instance and replaces it
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* with the one that's specified (you probably don't need this function). */
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void SetSenderAddress(const RTPAddress& address);
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private:
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void DeleteData();
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uint8_t *packetdata;
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std::size_t packetdatalength;
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RTPTime receivetime;
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RTPAddress senderaddress;
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bool isrtp;
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};
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inline RTPRawPacket::RTPRawPacket(const uint8_t *data, std::size_t datalen, const RTPAddress& address, RTPTime &recvtime, bool rtp) :
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receivetime(recvtime)
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{
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packetdata = new uint8_t[datalen];
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memcpy(packetdata, data, datalen);
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packetdatalength = datalen;
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senderaddress = address;
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isrtp = rtp;
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}
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inline RTPRawPacket::~RTPRawPacket()
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{
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DeleteData();
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}
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inline void RTPRawPacket::DeleteData()
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{
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if (packetdata)
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{
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delete[] packetdata;
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packetdata = 0;
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}
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}
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inline void RTPRawPacket::SetData(const uint8_t *data, std::size_t datalen)
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{
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if (packetdata) {
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delete[] packetdata;
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}
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packetdata = new uint8_t[datalen];
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memcpy(packetdata, data, datalen);
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packetdatalength = datalen;
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}
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inline void RTPRawPacket::SetSenderAddress(const RTPAddress& address)
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{
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senderaddress = address;
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}
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} // end namespace
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#endif // RTPRAWPACKET_H
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