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xlxd/ambedtest/ctranscoder.h

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//
// ctranscoder.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef ctranscoder_h
#define ctranscoder_h
#include "csemaphore.h"
#include "ccodecstream.h"
#include "cudpsocket.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
////////////////////////////////////////////////////////////////////////////////////////
// class
class CTranscoder
{
public:
// constructor
CTranscoder();
// destructor
virtual ~CTranscoder();
// initialization
bool Init(const CIp &, const CIp &);
void Close(void);
// locks
void Lock(void) { m_Mutex.lock(); }
void Unlock(void) { m_Mutex.unlock(); }
// get
const CIp &GetListenIp(void) const { return m_ListenIp; }
const CIp &GetAmbedIp(void) const { return m_AmbedIp; }
bool IsAmbedConnected(void) const { return m_bConnected; }
// manage streams
CCodecStream *GetStream(uint8);
void ReleaseStream(CCodecStream *);
// task
static void Thread(CTranscoder *);
void Task(void);
protected:
// keepalive helpers
void HandleKeepalives(void);
// packet decoding helpers
bool IsValidKeepAlivePacket(const CBuffer &);
bool IsValidStreamDescrPacket(const CBuffer &, uint16 *, uint16 *);
bool IsValidNoStreamAvailablePacket(const CBuffer&);
// packet encoding helpers
void EncodeKeepAlivePacket(CBuffer *);
void EncodeOpenstreamPacket(CBuffer *, uint8, uint8);
void EncodeClosestreamPacket(CBuffer *, uint16);
protected:
// IP's
CIp m_ListenIp;
CIp m_AmbedIp;
// streams
std::mutex m_Mutex;
std::vector<CCodecStream *> m_Streams;
// sync objects for Openstream
CSemaphore m_SemaphoreOpenStream;
bool m_bStreamOpened;
uint16 m_StreamidOpenStream;
uint16 m_PortOpenStream;
// thread
bool m_bStopThread;
std::thread *m_pThread;
// socket
CUdpSocket m_Socket;
bool m_bConnected;
// time
CTimePoint m_LastKeepaliveTime;
CTimePoint m_LastActivityTime;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* ctranscoder_h */