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Squashing an actual memory leak in SDRPostThread by simplifying the code

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This commit is contained in:
vsonnier 2017-08-28 21:22:07 +02:00
parent 3f90cbb858
commit 03bf38fea8
2 changed files with 15 additions and 22 deletions
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26
src/sdr/SDRPostThread.cpp
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@ -24,7 +24,6 @@ SDRPostThread::SDRPostThread() : IOThread(), buffers("SDRPostThreadBuffers"), vi
channelizer = nullptr; channelizer = nullptr;
sampleRate = 0; sampleRate = 0;
nRunDemods = 0;
visFrequency.store(0); visFrequency.store(0);
visBandwidth.store(0); visBandwidth.store(0);
@ -60,7 +59,8 @@ void SDRPostThread::initPFBChannelizer() {
void SDRPostThread::updateActiveDemodulators() { void SDRPostThread::updateActiveDemodulators() {
// In range? // In range?
nRunDemods = 0; runDemods.clear();
demodChannel.clear();
long long centerFreq = wxGetApp().getFrequency(); long long centerFreq = wxGetApp().getFrequency();
@ -103,14 +103,8 @@ void SDRPostThread::updateActiveDemodulators() {
} }
// Add to the current run // Add to the current run
if (nRunDemods == runDemods.size()) {
runDemods.push_back(demod); runDemods.push_back(demod);
demodChannel.push_back(-1); demodChannel.push_back(-1);
} else {
runDemods[nRunDemods] = demod;
demodChannel[nRunDemods] = -1;
}
nRunDemods++;
} }
} }
@ -174,7 +168,7 @@ void SDRPostThread::run() {
} }
} }
for (size_t j = 0; j < nRunDemods; j++) { for (size_t j = 0; j < runDemods.size(); j++) {
DemodulatorInstancePtr demod = runDemods[j]; DemodulatorInstancePtr demod = runDemods[j];
if (abs(frequency - demod->getFrequency()) > (sampleRate / 2)) { if (abs(frequency - demod->getFrequency()) > (sampleRate / 2)) {
doUpdate = true; doUpdate = true;
@ -232,9 +226,9 @@ void SDRPostThread::runSingleCH(SDRThreadIQData *data_in) {
doRefresh.store(false); doRefresh.store(false);
} }
size_t refCount = nRunDemods; size_t refCount = runDemods.size();
bool doIQDataOut = (iqDataOutQueue != nullptr && !iqDataOutQueue->full()); bool doIQDataOut = (iqDataOutQueue != nullptr && !iqDataOutQueue->full());
bool doDemodVisOut = (nRunDemods && iqActiveDemodVisualQueue != nullptr && !iqActiveDemodVisualQueue->full()); bool doDemodVisOut = (runDemods.size() > 0 && iqActiveDemodVisualQueue != nullptr && !iqActiveDemodVisualQueue->full());
bool doVisOut = (iqVisualQueue != nullptr && !iqVisualQueue->full()); bool doVisOut = (iqVisualQueue != nullptr && !iqVisualQueue->full());
if (doIQDataOut) { if (doIQDataOut) {
@ -277,7 +271,7 @@ void SDRPostThread::runSingleCH(SDRThreadIQData *data_in) {
iqVisualQueue->push(demodDataOut); iqVisualQueue->push(demodDataOut);
} }
for (size_t i = 0; i < nRunDemods; i++) { for (size_t i = 0; i < runDemods.size(); i++) {
//VSO: timed-push //VSO: timed-push
if (!runDemods[i]->getIQInputDataPipe()->push(demodDataOut, MAX_BLOCKING_DURATION_MICROS, "runSingleCH() runDemods[i]->getIQInputDataPipe()")) { if (!runDemods[i]->getIQInputDataPipe()->push(demodDataOut, MAX_BLOCKING_DURATION_MICROS, "runSingleCH() runDemods[i]->getIQInputDataPipe()")) {
//some runDemods are no longer there, bail out from runSingleCH() entirely. //some runDemods are no longer there, bail out from runSingleCH() entirely.
@ -343,7 +337,7 @@ void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
int activeDemodChannel = -1; int activeDemodChannel = -1;
// Find active demodulators // Find active demodulators
if (nRunDemods) { if (runDemods.size() > 0) {
// channelize data // channelize data
// firpfbch output rate is (input rate / channels) // firpfbch output rate is (input rate / channels)
@ -356,7 +350,7 @@ void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
} }
// Find nearest channel for each demodulator // Find nearest channel for each demodulator
for (size_t i = 0; i < nRunDemods; i++) { for (size_t i = 0; i < runDemods.size(); i++) {
DemodulatorInstancePtr demod = runDemods[i]; DemodulatorInstancePtr demod = runDemods[i];
demodChannel[i] = getChannelAt(demod->getFrequency()); demodChannel[i] = getChannelAt(demod->getFrequency());
if (demod == activeDemod) { if (demod == activeDemod) {
@ -364,7 +358,7 @@ void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
} }
} }
for (size_t i = 0; i < nRunDemods; i++) { for (size_t i = 0; i < runDemods.size(); i++) {
// cache channel usage refcounts // cache channel usage refcounts
if (demodChannel[i] >= 0) { if (demodChannel[i] >= 0) {
demodChannelActive[demodChannel[i]]++; demodChannelActive[demodChannel[i]]++;
@ -423,7 +417,7 @@ void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
iqActiveDemodVisualQueue->push(demodDataOut); iqActiveDemodVisualQueue->push(demodDataOut);
} }
for (size_t j = 0; j < nRunDemods; j++) { for (size_t j = 0; j < runDemods.size(); j++) {
if (demodChannel[j] == i) { if (demodChannel[j] == i) {
//VSO: timed- push //VSO: timed- push

1
src/sdr/SDRPostThread.h
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@ -39,7 +39,6 @@ private:
std::vector<long long> chanCenters; std::vector<long long> chanCenters;
long long chanBw = 0; long long chanBw = 0;
size_t nRunDemods;
std::vector<DemodulatorInstancePtr> runDemods; std::vector<DemodulatorInstancePtr> runDemods;
std::vector<int> demodChannel; std::vector<int> demodChannel;
std::vector<int> demodChannelActive; std::vector<int> demodChannelActive;