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89 lines
3.2 KiB
89 lines
3.2 KiB
/**
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* Digital Voice Modem - Common Library
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Common Library
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*
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*/
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/*
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* Copyright (C) 2023 by Bryan Biedenkapp N2PLL
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(__RTP_FNE_HEADER_H__)
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#define __RTP_FNE_HEADER_H__
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#include "common/Defines.h"
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#include "common/network/RTPExtensionHeader.h"
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#include <chrono>
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#include <random>
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#include <string>
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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#define RTP_FNE_HEADER_LENGTH_BYTES 16
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#define RTP_FNE_HEADER_LENGTH_EXT_LEN 4
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#define RTP_END_OF_CALL_SEQ 65535
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namespace network
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{
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namespace frame
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{
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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const uint8_t DVM_FRAME_START = 0xFEU;
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Represents the FNE RTP Extension header.
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// ---------------------------------------------------------------------------
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class HOST_SW_API RTPFNEHeader : public RTPExtensionHeader {
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public:
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/// <summary>Initializes a new instance of the RTPFNEHeader class.</summary>
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RTPFNEHeader();
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/// <summary>Finalizes a instance of the RTPFNEHeader class.</summary>
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~RTPFNEHeader();
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/// <summary>Decode a RTP header.</summary>
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virtual bool decode(const uint8_t* data);
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/// <summary>Encode a RTP header.</summary>
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virtual void encode(uint8_t* data);
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public:
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/// <summary>Traffic payload packet CRC-16.</summary>
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__PROPERTY(uint16_t, crc16, CRC);
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/// <summary>Function.</summary>
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__PROPERTY(uint8_t, func, Function);
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/// <summary>Sub-function.</summary>
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__PROPERTY(uint8_t, subFunc, SubFunction);
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/// <summary>Traffic Stream ID.</summary>
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__PROPERTY(uint32_t, streamId, StreamId);
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/// <summary>Traffic Peer ID.</summary>
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__PROPERTY(uint32_t, peerId, PeerId);
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/// <summary>Traffic Message Length.</summary>
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__PROPERTY(uint32_t, messageLength, MessageLength);
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};
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} // namespace frame
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} // namespace network
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#endif // __RTP_FNE_HEADER_H__
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