287 lines
10 KiB
C++
Executable file
287 lines
10 KiB
C++
Executable file
/******************************************************************************\
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* Copyright (c) 2004-2020
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*
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* Author(s):
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* Volker Fischer
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*
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******************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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\******************************************************************************/
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#pragma once
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#include <QThread>
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#include <QDateTime>
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#include <QFile>
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#include <QTextStream>
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#include "global.h"
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#include "buffer.h"
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#include "util.h"
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#include "protocol.h"
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#include "socket.h"
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/* Definitions ****************************************************************/
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// set the time-out for the input buffer until the state changes from
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// connected to not connected (the actual time depends on the way the error
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// correction is implemented)
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#define CON_TIME_OUT_SEC_MAX 30 // seconds
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// number of frames for audio fade-in
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#if ( SYSTEM_FRAME_SIZE_SAMPLES == 64 )
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// 48 kHz, 64 samples: 3 seconds / ( 64 samples / 48 kHz ) = 2250
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# define FADE_IN_NUM_FRAMES 2250
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#else
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// 48 kHz, 128 samples: 3 seconds / ( 128 samples / 48 kHz ) = 1125
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# define FADE_IN_NUM_FRAMES 1125
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#endif
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enum EPutDataStat
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{
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PS_GEN_ERROR,
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PS_AUDIO_OK,
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PS_AUDIO_ERR,
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PS_AUDIO_INVALID,
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PS_PROT_OK,
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PS_PROT_OK_MESS_NOT_EVALUATED,
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PS_PROT_ERR,
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PS_NEW_CONNECTION
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};
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/* Classes ********************************************************************/
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class CChannel : public QObject
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{
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Q_OBJECT
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public:
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// we have to make "server" the default since I do not see a chance to
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// use constructor initialization in the server for a vector of channels
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CChannel ( const bool bNIsServer = true );
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void PutProtcolData ( const int iRecCounter,
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const int iRecID,
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const CVector<uint8_t>& vecbyMesBodyData,
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const CHostAddress& RecHostAddr );
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EPutDataStat PutAudioData ( const CVector<uint8_t>& vecbyData,
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const int iNumBytes,
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CHostAddress RecHostAddr );
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EGetDataStat GetData ( CVector<uint8_t>& vecbyData,
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const int iNumBytes );
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void PrepAndSendPacket ( CHighPrioSocket* pSocket,
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const CVector<uint8_t>& vecbyNPacket,
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const int iNPacketLen );
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void ResetTimeOutCounter() { iConTimeOut = iConTimeOutStartVal; }
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bool IsConnected() const { return iConTimeOut > 0; }
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void Disconnect();
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void SetEnable ( const bool bNEnStat );
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bool IsEnabled() { return bIsEnabled; }
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void SetAddress ( const CHostAddress NAddr ) { InetAddr = NAddr; }
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bool GetAddress ( CHostAddress& RetAddr );
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const CHostAddress& GetAddress() const { return InetAddr; }
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void ResetInfo() { ChannelInfo = CChannelCoreInfo(); } // reset does not emit a message
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QString GetName();
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void SetChanInfo ( const CChannelCoreInfo& NChanInf );
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CChannelCoreInfo& GetChanInfo() { return ChannelInfo; }
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void SetRemoteInfo ( const CChannelCoreInfo ChInfo )
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{ Protocol.CreateChanInfoMes ( ChInfo ); }
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void CreateReqChanInfoMes() { Protocol.CreateReqChanInfoMes(); }
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void SetGain ( const int iChanID, const double dNewGain );
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double GetGain ( const int iChanID );
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double GetFadeInGain() { return static_cast<double> ( iFadeInCnt ) / FADE_IN_NUM_FRAMES; }
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void SetRemoteChanGain ( const int iId, const double dGain )
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{ Protocol.CreateChanGainMes ( iId, dGain ); }
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bool SetSockBufNumFrames ( const int iNewNumFrames,
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const bool bPreserve = false );
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int GetSockBufNumFrames() const { return iCurSockBufNumFrames; }
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void UpdateSocketBufferSize();
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int GetUploadRateKbps();
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// set/get network out buffer size and size factor
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void SetAudioStreamProperties ( const EAudComprType eNewAudComprType,
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const int iNewNetwFrameSize,
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const int iNewNetwFrameSizeFact,
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const int iNewNumAudioChannels );
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void SetDoAutoSockBufSize ( const bool bValue )
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{ bDoAutoSockBufSize = bValue; }
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bool GetDoAutoSockBufSize() const { return bDoAutoSockBufSize; }
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int GetNetwFrameSizeFact() const { return iNetwFrameSizeFact; }
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int GetNetwFrameSize() const { return iNetwFrameSize; }
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void GetBufErrorRates ( CVector<double>& vecErrRates, double& dLimit, double& dMaxUpLimit )
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{ SockBuf.GetErrorRates ( vecErrRates, dLimit, dMaxUpLimit ); }
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EAudComprType GetAudioCompressionType() { return eAudioCompressionType; }
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int GetNumAudioChannels() const { return iNumAudioChannels; }
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// network protocol interface
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void CreateJitBufMes ( const int iJitBufSize )
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{
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if ( ProtocolIsEnabled() )
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{
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Protocol.CreateJitBufMes ( iJitBufSize );
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}
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}
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void CreateReqNetwTranspPropsMes() { Protocol.CreateReqNetwTranspPropsMes(); }
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void CreateReqJitBufMes() { Protocol.CreateReqJitBufMes(); }
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void CreateReqConnClientsList() { Protocol.CreateReqConnClientsList(); }
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void CreateChatTextMes ( const QString& strChatText ) { Protocol.CreateChatTextMes ( strChatText ); }
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void CreateLicReqMes ( const ELicenceType eLicenceType ) { Protocol.CreateLicenceRequiredMes ( eLicenceType ); }
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void CreateReqChannelLevelListMes ( bool bOptIn ) { Protocol.CreateReqChannelLevelListMes ( bOptIn ); }
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void CreateConClientListMes ( const CVector<CChannelInfo>& vecChanInfo )
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{ Protocol.CreateConClientListMes ( vecChanInfo ); }
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CNetworkTransportProps GetNetworkTransportPropsFromCurrentSettings();
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bool ChannelLevelsRequired() const { return bChannelLevelsRequired; }
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double GetPrevLevel() const { return dPrevLevel; }
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void SetPrevLevel ( const double nPL ) { dPrevLevel = nPL; }
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protected:
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bool ProtocolIsEnabled();
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void ResetNetworkTransportProperties()
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{
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// set it to a state were no decoding is ever possible (since we want
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// only to decode data when a network transport property message is
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// received with the correct values)
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eAudioCompressionType = CT_NONE;
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iNetwFrameSizeFact = FRAME_SIZE_FACTOR_PREFERRED;
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iNetwFrameSize = CELT_MINIMUM_NUM_BYTES;
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iNumAudioChannels = 1; // mono
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dPrevLevel = 0.0;
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}
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// connection parameters
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CHostAddress InetAddr;
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// channel info
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CChannelCoreInfo ChannelInfo;
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// mixer and effect settings
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CVector<double> vecdGains;
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// network jitter-buffer
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CNetBufWithStats SockBuf;
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int iCurSockBufNumFrames;
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bool bDoAutoSockBufSize;
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// network output conversion buffer
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CConvBuf<uint8_t> ConvBuf;
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// network protocol
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CProtocol Protocol;
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int iConTimeOut;
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int iConTimeOutStartVal;
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int iFadeInCnt;
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bool bIsEnabled;
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bool bIsServer;
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int iNetwFrameSizeFact;
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int iNetwFrameSize;
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EAudComprType eAudioCompressionType;
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int iNumAudioChannels;
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QMutex Mutex;
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QMutex MutexSocketBuf;
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QMutex MutexConvBuf;
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bool bChannelLevelsRequired;
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double dPrevLevel;
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public slots:
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void OnSendProtMessage ( CVector<uint8_t> vecMessage );
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void OnJittBufSizeChange ( int iNewJitBufSize );
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void OnChangeChanGain ( int iChanID, double dNewGain );
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void OnChangeChanInfo ( CChannelCoreInfo ChanInfo );
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void OnNetTranspPropsReceived ( CNetworkTransportProps NetworkTransportProps );
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void OnReqNetTranspProps();
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void OnParseMessageBody ( CVector<uint8_t> vecbyMesBodyData,
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int iRecCounter,
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int iRecID )
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{
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// note that the return value is ignored here
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Protocol.ParseMessageBody ( vecbyMesBodyData, iRecCounter, iRecID );
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}
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void OnProtcolMessageReceived ( int iRecCounter,
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int iRecID,
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CVector<uint8_t> vecbyMesBodyData,
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CHostAddress RecHostAddr )
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{
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PutProtcolData ( iRecCounter, iRecID, vecbyMesBodyData, RecHostAddr );
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}
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void OnProtcolCLMessageReceived ( int iRecID,
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CVector<uint8_t> vecbyMesBodyData,
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CHostAddress RecHostAddr )
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{
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emit DetectedCLMessage ( vecbyMesBodyData, iRecID, RecHostAddr );
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}
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void OnNewConnection() { emit NewConnection(); }
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void OnReqChannelLevelList ( bool bOptIn ) { bChannelLevelsRequired = bOptIn; }
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signals:
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void MessReadyForSending ( CVector<uint8_t> vecMessage );
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void NewConnection();
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void ReqJittBufSize();
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void JittBufSizeChanged ( int iNewJitBufSize );
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void ServerAutoSockBufSizeChange ( int iNNumFra );
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void ReqConnClientsList();
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void ConClientListMesReceived ( CVector<CChannelInfo> vecChanInfo );
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void ChanInfoHasChanged();
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void ReqChanInfo();
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void ChatTextReceived ( QString strChatText );
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void ReqNetTranspProps();
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void LicenceRequired ( ELicenceType eLicenceType );
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void Disconnected();
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void DetectedCLMessage ( CVector<uint8_t> vecbyMesBodyData,
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int iRecID,
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CHostAddress RecHostAddr );
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void ParseMessageBody ( CVector<uint8_t> vecbyMesBodyData,
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int iRecCounter,
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int iRecID );
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};
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