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add multithreading CONFIG parameter and use thread synchronization

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This commit is contained in:
Volker Fischer 2020-08-04 16:43:32 +02:00
parent 0d5ce4b62b
commit 30c8f462c3
3 changed files with 31 additions and 45 deletions
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8
Jamulus.pro
View file

@ -6,12 +6,18 @@ contains(CONFIG, "noupcasename") {
TARGET = jamulus
}
# support multi-threading with OMP if requested
contains(CONFIG, "multithreading") {
message(Multithreading in the server is enabled.)
DEFINES += USE_MULTITHREADING
QT += concurrent
}
CONFIG += qt \
thread \
release
QT += network \
concurrent \
xml
contains(CONFIG, "headless") {

39
src/server.cpp
View file

@ -979,6 +979,10 @@ static CTimingMeas JitterMeas ( 1000, "test2.dat" ); JitterMeas.Measure(); // TE
// Process data ------------------------------------------------------------
#ifdef USE_MULTITHREADING
QFutureSynchronizer<void> FutureSynchronizer;
#endif
// Check if at least one client is connected. If not, stop server until
// one client is connected.
if ( iNumClients > 0 )
@ -1055,35 +1059,26 @@ static CTimingMeas JitterMeas ( 1000, "test2.dat" ); JitterMeas.Measure(); // TE
}
}
// TEST
QFuture<void> future = QtConcurrent::run ( this, &CServer::MixEncodeTransmitData,
// generate a separate mix for each channel, OPUS encode the
// audio data and transmit the network packet (note that if
// multithreading is enabled, the work is distributed over
// all available processor cores)
#ifdef USE_MULTITHREADING
// by using the future synchronizer we make sure that all
// threads are done when we leave the timer callback function
FutureSynchronizer.addFuture ( QtConcurrent::run ( this, &CServer::MixEncodeTransmitData,
i,
iCurChanID,
pCurOpusEncoder,
iClientFrameSizeSamples,
iNumClients );
// generate a separate mix for each channel, OPUS encode the
// audio data and transmit the network packet
/*
MixEncodeTransmitData ( vecvecsData,
vecvecdGains[i],
vecvecdPannings[i],
vecNumAudioChannels,
vecvecsIntermediateProcBuf[i],
vecvecsSendData[i],
vecvecbyCodedData[i],
vecChannels[iCurChanID],
DoubleFrameSizeConvBufOut[iCurChanID],
vecUseDoubleSysFraSizeConvBuf[i],
vecNumFrameSizeConvBlocks[i],
iNumClients ) );
#else
MixEncodeTransmitData ( i,
iCurChanID,
pCurOpusEncoder,
iCeltNumCodedBytes,
iClientFrameSizeSamples,
iCurNumAudChan,
iNumClients );
*/
#endif
}
}
else

23
src/server.h
View file

@ -29,8 +29,11 @@
#include <QDateTime>
#include <QHostAddress>
#include <QFileInfo>
#include <QtConcurrent>
#include <algorithm>
#ifdef USE_MULTITHREADING
# include <QtConcurrent>
# include <QFutureSynchronizer>
#endif
#ifdef USE_OPUS_SHARED_LIB
# include "opus/opus_custom.h"
#else
@ -302,24 +305,6 @@ protected:
void WriteHTMLChannelList();
/*
void MixEncodeTransmitData ( const CVector<CVector<int16_t> >& vecvecsData,
const CVector<double>& vecdGains,
const CVector<double>& vecdPannings,
const CVector<int>& vecNumAudioChannels,
CVector<double>& vecdIntermProcBuf,
CVector<int16_t>& vecsSendData,
CVector<uint8_t>& vecbyCodedData,
CChannel& Channel,
CConvBuf<int16_t>& DoubleFrameSizeConvBufOut,
const int iUseDoubleSysFraSizeConvBuf,
const int iNumFrameSizeConvBlocks,
OpusCustomEncoder* pCurOpusEncoder,
const int iCeltNumCodedBytes,
const int iClientFrameSizeSamples,
const int iCurNumAudChan,
const int iNumClients );
*/
// TEST
void MixEncodeTransmitData ( const int iIdx,