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114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
//
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// ctranscoder.h
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// xlxd
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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//
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// ----------------------------------------------------------------------------
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// This file is part of xlxd.
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//
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// xlxd 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 3 of the License, or
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// (at your option) any later version.
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//
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// xlxd 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#ifndef ctranscoder_h
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#define ctranscoder_h
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#include "csemaphore.h"
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#include "ccodecstream.h"
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#include "cudpsocket.h"
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////////////////////////////////////////////////////////////////////////////////////////
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// define
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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class CTranscoder
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{
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public:
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// constructor
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CTranscoder();
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// destructor
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virtual ~CTranscoder();
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// initialization
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bool Init(const CIp &, const CIp &);
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void Close(void);
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// locks
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void Lock(void) { m_Mutex.lock(); }
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void Unlock(void) { m_Mutex.unlock(); }
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// get
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const CIp &GetListenIp(void) const { return m_ListenIp; }
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const CIp &GetAmbedIp(void) const { return m_AmbedIp; }
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bool IsAmbedConnected(void) const { return m_bConnected; }
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// manage streams
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CCodecStream *GetStream(uint8);
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void ReleaseStream(CCodecStream *);
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// task
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static void Thread(CTranscoder *);
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void Task(void);
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protected:
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// keepalive helpers
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void HandleKeepalives(void);
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// packet decoding helpers
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bool IsValidKeepAlivePacket(const CBuffer &);
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bool IsValidStreamDescrPacket(const CBuffer &, uint16 *, uint16 *);
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bool IsValidNoStreamAvailablePacket(const CBuffer&);
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// packet encoding helpers
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void EncodeKeepAlivePacket(CBuffer *);
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void EncodeOpenstreamPacket(CBuffer *, uint8, uint8);
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void EncodeClosestreamPacket(CBuffer *, uint16);
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protected:
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// IP's
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CIp m_ListenIp;
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CIp m_AmbedIp;
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// streams
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std::mutex m_Mutex;
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std::vector<CCodecStream *> m_Streams;
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// sync objects for Openstream
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CSemaphore m_SemaphoreOpenStream;
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bool m_bStreamOpened;
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uint16 m_StreamidOpenStream;
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uint16 m_PortOpenStream;
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// thread
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bool m_bStopThread;
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std::thread *m_pThread;
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// socket
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CUdpSocket m_Socket;
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bool m_bConnected;
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// time
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CTimePoint m_LastKeepaliveTime;
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CTimePoint m_LastActivityTime;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* ctranscoder_h */
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