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81 lines
2.5 KiB
81 lines
2.5 KiB
/**
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* Digital Voice Modem - Host Software
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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 / Host Software
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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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#include "Defines.h"
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#include "network/RTPExtensionHeader.h"
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using namespace network::frame;
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#include <cassert>
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// ---------------------------------------------------------------------------
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// Public Class Members
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// ---------------------------------------------------------------------------
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/// <summary>
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/// Initializes a new instance of the RTPExtensionHeader class.
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/// </summary>
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RTPExtensionHeader::RTPExtensionHeader() :
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m_payloadType(0U),
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m_payloadLength(0U)
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{
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/* stub */
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}
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/// <summary>
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/// Finalizes a instance of the RTPExtensionHeader class.
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/// </summary>
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RTPExtensionHeader::~RTPExtensionHeader()
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{
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/* stub */
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}
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/// <summary>
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/// Decode a RTP header.
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/// </summary>
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/// <param name="data"></param>
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bool RTPExtensionHeader::decode(const uint8_t* data)
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{
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assert(data != nullptr);
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m_payloadType = (data[0U] << 8) | (data[1U] << 0); // Payload Type
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m_payloadLength = (data[2U] << 8) | (data[3U] << 0); // Payload Length
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return true;
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}
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/// <summary>
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/// Encode a RTP header.
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/// </summary>
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/// <param name="data"></param>
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void RTPExtensionHeader::encode(uint8_t* data)
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{
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assert(data != nullptr);
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data[0U] = (m_payloadType >> 8) & 0xFFU; // Payload Type MSB
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data[1U] = (m_payloadType >> 0) & 0xFFU; // Payload Type LSB
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data[2U] = (m_payloadLength >> 8) & 0xFFU; // Payload Length MSB
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data[3U] = (m_payloadLength >> 0) & 0xFFU; // Payload Length LSB
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}
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