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Merge pull request #2330 from srcejon/fix_2315

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Fix a few memory leaks and race conditions
This commit is contained in:
Edouard Griffiths 2024-11-14 14:31:09 +01:00 committed by GitHub
commit 7bc6210b64
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GPG Key ID: B5690EEEBB952194
5 changed files with 41 additions and 18 deletions
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1
plugins/channelrx/demodfreedv/freedvdemod.cpp
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@ -79,6 +79,7 @@ FreeDVDemod::FreeDVDemod(DeviceAPI *deviceAPI) :
FreeDVDemod::~FreeDVDemod()
{
stop();
QObject::disconnect(
m_networkManager,
&QNetworkAccessManager::finished,

4
plugins/channelrx/demodfreedv/freedvdemodsink.cpp
View File

@ -176,6 +176,8 @@ FreeDVDemodSink::~FreeDVDemodSink()
{
delete SSBFilter;
delete[] m_SSBFilterBuffer;
delete[] m_speechOut;
delete[] m_modIn;
}
void FreeDVDemodSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
@ -449,7 +451,7 @@ void FreeDVDemodSink::applyFreeDVMode(FreeDVDemodSettings::FreeDVMode mode)
freedv_set_ext_vco(m_freeDV, 0);
freedv_set_sync(m_freeDV, FREEDV_SYNC_MANUAL);
int nSpeechSamples = freedv_get_n_speech_samples(m_freeDV);
int nSpeechSamples = freedv_get_n_max_speech_samples(m_freeDV);
int nMaxModemSamples = freedv_get_n_max_modem_samples(m_freeDV);
int Fs = freedv_get_modem_sample_rate(m_freeDV);
int Rs = freedv_get_modem_symbol_rate(m_freeDV);

22
sdrbase/dsp/dspengine.cpp
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@ -187,39 +187,41 @@ void DSPEngine::removeLastDeviceMIMOEngine()
}
}
QThread * DSPEngine::removeDeviceEngineAt(int deviceIndex)
QThread *DSPEngine::getDeviceEngineThread(int deviceIndex)
{
if (deviceIndex >= m_deviceEngineReferences.size()) {
return nullptr;
} else {
return m_deviceEngineReferences[deviceIndex].m_thread;
}
}
QThread *deviceThread = nullptr;
void DSPEngine::removeDeviceEngineAt(int deviceIndex)
{
if (deviceIndex >= m_deviceEngineReferences.size()) {
return;
}
if (m_deviceEngineReferences[deviceIndex].m_deviceEngineType == 0) // source
{
DSPDeviceSourceEngine *deviceEngine = m_deviceEngineReferences[deviceIndex].m_deviceSourceEngine;
deviceThread = m_deviceEngineReferences[deviceIndex].m_thread;
deviceThread->exit();
m_deviceEngineReferences[deviceIndex].m_thread->exit();
m_deviceSourceEngines.removeAll(deviceEngine);
}
else if (m_deviceEngineReferences[deviceIndex].m_deviceEngineType == 1) // sink
{
DSPDeviceSinkEngine *deviceEngine = m_deviceEngineReferences[deviceIndex].m_deviceSinkEngine;
deviceThread = m_deviceEngineReferences[deviceIndex].m_thread;
deviceThread->exit();
m_deviceEngineReferences[deviceIndex].m_thread->exit();
m_deviceSinkEngines.removeAll(deviceEngine);
}
else if (m_deviceEngineReferences[deviceIndex].m_deviceEngineType == 2) // MIMO
{
DSPDeviceMIMOEngine *deviceEngine = m_deviceEngineReferences[deviceIndex].m_deviceMIMOEngine;
deviceThread = m_deviceEngineReferences[deviceIndex].m_thread;
deviceThread->exit();
m_deviceEngineReferences[deviceIndex].m_thread->exit();
m_deviceMIMOEngines.removeAll(deviceEngine);
}
m_deviceEngineReferences.removeAt(deviceIndex);
return deviceThread;
}
void DSPEngine::createFFTFactory(const QString& fftWisdomFileName)

3
sdrbase/dsp/dspengine.h
View File

@ -53,7 +53,8 @@ public:
DSPDeviceMIMOEngine *addDeviceMIMOEngine();
void removeLastDeviceMIMOEngine();
QThread *removeDeviceEngineAt(int deviceIndex);
QThread *getDeviceEngineThread(int deviceIndex);
void removeDeviceEngineAt(int deviceIndex);
AudioDeviceManager *getAudioDeviceManager() { return &m_audioDeviceManager; }

27
sdrgui/mainwindow.cpp
View File

@ -778,11 +778,20 @@ void RemoveDeviceSetFSM::removeUI()
void RemoveDeviceSetFSM::stopEngine()
{
qDebug() << "RemoveDeviceSetFSM::stopEngine";
QThread *thread = m_mainWindow->m_dspEngine->removeDeviceEngineAt(m_deviceSetIndex);
if (thread && !thread->isFinished()) // FIXME: Is there a race condition here? We might need to connect before calling thread->exit
QThread *thread = m_mainWindow->m_dspEngine->getDeviceEngineThread(m_deviceSetIndex);
if (thread)
{
bool finished = thread->isFinished();
if (!finished) {
connect(thread, &QThread::finished, m_mainWindow, &MainWindow::engineStopped);
}
m_mainWindow->m_dspEngine->removeDeviceEngineAt(m_deviceSetIndex);
if (finished) {
emit m_mainWindow->engineStopped();
}
}
else
{
emit m_mainWindow->engineStopped();
@ -801,12 +810,20 @@ void RemoveDeviceSetFSM::removeDeviceSet()
DeviceAPI *deviceAPI = m_deviceUISet->m_deviceAPI;
delete m_deviceUISet;
if (m_deviceSourceEngine) {
if (m_deviceSourceEngine)
{
delete deviceAPI->getSampleSource();
} else if (m_deviceSinkEngine) {
delete m_deviceSourceEngine;
}
else if (m_deviceSinkEngine)
{
delete deviceAPI->getSampleSink();
} else {
delete m_deviceSinkEngine;
}
else
{
delete deviceAPI->getSampleMIMO();
delete m_deviceMIMOEngine;
}
delete deviceAPI;