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122 lines
4.2 KiB
122 lines
4.2 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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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
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* Copyright (C) 2017-2022 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(__DMR_PACKET_VOICE_H__)
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#define __DMR_PACKET_VOICE_H__
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#include "Defines.h"
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#include "dmr/data/Data.h"
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#include "dmr/data/EmbeddedData.h"
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#include "dmr/lc/LC.h"
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#include "dmr/lc/PrivacyLC.h"
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#include "dmr/Slot.h"
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#include "edac/AMBEFEC.h"
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#include "network/BaseNetwork.h"
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#include "lookups/RadioIdLookup.h"
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#include "lookups/TalkgroupIdLookup.h"
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#include <vector>
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namespace dmr
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{
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// ---------------------------------------------------------------------------
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// Class Prototypes
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// ---------------------------------------------------------------------------
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namespace packet { class HOST_SW_API Data; }
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class HOST_SW_API Slot;
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namespace packet
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// This class implements core logic for handling DMR voice packets.
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// ---------------------------------------------------------------------------
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class HOST_SW_API Voice {
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public:
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/// <summary>Process a voice frame from the RF interface.</summary>
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bool process(uint8_t* data, uint32_t len);
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/// <summary>Process a voice frame from the network.</summary>
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void processNetwork(const data::Data& dmrData);
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private:
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friend class packet::Data;
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friend class dmr::Slot;
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Slot* m_slot;
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uint8_t* m_lastFrame;
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bool m_lastFrameValid;
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uint8_t m_rfN;
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uint8_t m_lastRfN;
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uint8_t m_netN;
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data::EmbeddedData m_rfEmbeddedLC;
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data::EmbeddedData* m_rfEmbeddedData;
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uint32_t m_rfEmbeddedReadN;
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uint32_t m_rfEmbeddedWriteN;
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data::EmbeddedData m_netEmbeddedLC;
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data::EmbeddedData* m_netEmbeddedData;
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uint32_t m_netEmbeddedReadN;
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uint32_t m_netEmbeddedWriteN;
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uint8_t m_rfTalkerId;
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uint8_t m_netTalkerId;
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edac::AMBEFEC m_fec;
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bool m_embeddedLCOnly;
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bool m_dumpTAData;
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bool m_verbose;
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bool m_debug;
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/// <summary>Initializes a new instance of the Voice class.</summary>
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Voice(Slot* slot, network::BaseNetwork* network, bool embeddedLCOnly, bool dumpTAData, bool debug, bool verbose);
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/// <summary>Finalizes a instance of the Voice class.</summary>
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~Voice();
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/// <summary></summary>
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void logGPSPosition(const uint32_t srcId, const uint8_t* data);
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/// <summary>Helper to insert AMBE null frames for missing audio.</summary>
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void insertNullAudio(uint8_t* data);
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/// <summary>Helper to insert DMR AMBE silence frames.</summary>
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bool insertSilence(const uint8_t* data, uint8_t seqNo);
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/// <summary>Helper to insert DMR AMBE silence frames.</summary>
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void insertSilence(uint32_t count);
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};
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} // namespace packet
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} // namespace dmr
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#endif // __DMR_PACKET_VOICE_H__
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