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Fixed issue with decoder being able to be run multiple times back to back without synchronization

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This commit is contained in:
Jordan Sherer 2019-11-12 13:27:45 -05:00
parent 3afcbd32c1
commit 471e85ee97
1 changed files with 39 additions and 26 deletions
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27
mainwindow.cpp
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@ -3939,8 +3939,13 @@ bool MainWindow::isDecodeReady(int submode, qint32 k, qint32 k0, qint32 *pCurren
qint32 framesNeeded = computeFramesNeededForDecode(submode); qint32 framesNeeded = computeFramesNeededForDecode(submode);
qint32 currentCycle = computeCycleForDecode(submode, k); qint32 currentCycle = computeCycleForDecode(submode, k);
qint32 delta = qAbs(k-k0);
if(delta > cycleFrames){
qDebug() << "-->" << submodeName(submode) << "buffer advance delta" << delta;
}
// on buffer loop, prepare proper next decode start // on buffer loop, prepare proper next decode start
if(k < k0){ if(k < k0 || delta > cycleFrames){
*pCurrentDecodeStart = currentCycle * cycleFrames; *pCurrentDecodeStart = currentCycle * cycleFrames;
*pNextDecodeStart = *pCurrentDecodeStart + cycleFrames; *pNextDecodeStart = *pCurrentDecodeStart + cycleFrames;
} }
@ -3952,7 +3957,7 @@ bool MainWindow::isDecodeReady(int submode, qint32 k, qint32 k0, qint32 *pCurren
if(pCycle) *pCycle = currentCycle; if(pCycle) *pCycle = currentCycle;
if(pStart) *pStart = *pCurrentDecodeStart; if(pStart) *pStart = *pCurrentDecodeStart;
if(pSz) *pSz = cycleFrames; // qMax(framesNeeded, k-(*pCurrentDecodeStart)); if(pSz) *pSz = qMax(framesNeeded, k-(*pCurrentDecodeStart));
*pCurrentDecodeStart = *pNextDecodeStart; *pCurrentDecodeStart = *pNextDecodeStart;
*pNextDecodeStart = *pCurrentDecodeStart + cycleFrames; *pNextDecodeStart = *pCurrentDecodeStart + cycleFrames;
@ -4282,14 +4287,22 @@ bool MainWindow::decodeProcessQueue(qint32 *pSubmode){
} }
void MainWindow::decodeStart(){ void MainWindow::decodeStart(){
if(m_decoderBusy){
qDebug() << "--> decoder cannot start...busy";
return;
}
// mark the decoder busy early while we prep the memory copy
decodeBusy(true);
{
qDebug() << "--> decoder starting"; qDebug() << "--> decoder starting";
qDebug() << " --> kin:" << dec_data.params.kin; qDebug() << " --> kin:" << dec_data.params.kin;
qDebug() << " --> newdat:" << dec_data.params.newdat; qDebug() << " --> newdat:" << dec_data.params.newdat;
qDebug() << " --> nsubmodes:" << dec_data.params.nsubmodes; qDebug() << " --> nsubmodes:" << dec_data.params.nsubmodes;
qDebug() << " --> A:" << dec_data.params.kposA << dec_data.params.kszA; qDebug() << " --> A:" << dec_data.params.kposA << dec_data.params.kposA + dec_data.params.kszA << QString("(%1)").arg(dec_data.params.kszA);
qDebug() << " --> B:" << dec_data.params.kposB << dec_data.params.kszB; qDebug() << " --> B:" << dec_data.params.kposB << dec_data.params.kposB + dec_data.params.kszB << QString("(%1)").arg(dec_data.params.kszB);
qDebug() << " --> C:" << dec_data.params.kposC << dec_data.params.kszC; qDebug() << " --> C:" << dec_data.params.kposC << dec_data.params.kposC + dec_data.params.kszC << QString("(%1)").arg(dec_data.params.kszC);
qDebug() << " --> E:" << dec_data.params.kposE << dec_data.params.kszE; qDebug() << " --> E:" << dec_data.params.kposE << dec_data.params.kposE + dec_data.params.kszE << QString("(%1)").arg(dec_data.params.kszE);
//newdat=1 ==> this is new data, must do the big FFT //newdat=1 ==> this is new data, must do the big FFT
//nagain=1 ==> decode only at fQSO +/- Tol //nagain=1 ==> decode only at fQSO +/- Tol
@ -4308,7 +4321,7 @@ void MainWindow::decodeStart(){
memcpy(to, from, qMin(mem_js8->size(), size)); memcpy(to, from, qMin(mem_js8->size(), size));
QFile {m_config.temp_dir ().absoluteFilePath (".lock")}.remove (); // Allow decoder to start QFile {m_config.temp_dir ().absoluteFilePath (".lock")}.remove (); // Allow decoder to start
decodeBusy(true); }
} }