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HackRF Output: limit size of sample FIFO to limit delay

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This commit is contained in:
f4exb
2017-01-10 01:02:28 +01:00
parent e4852230ea
commit e405f151e0
3 changed files with 46 additions and 47 deletions
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plugins/samplesink/hackrfoutput/hackrfoutputthread.cpp
+5 -7
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@@ -39,13 +39,11 @@ HackRFOutputThread::~HackRFOutputThread()
void HackRFOutputThread::startWork()
{
//m_startWaitMutex.lock();
m_running = true;
m_startWaitMutex.lock();
start();
/*
while(!m_running)
m_startWaiter.wait(&m_startWaitMutex, 100);
m_startWaitMutex.unlock();*/
m_startWaitMutex.unlock();
}
void HackRFOutputThread::stopWork()
@@ -69,7 +67,7 @@ void HackRFOutputThread::run()
{
hackrf_error rc;
//m_running = true;
m_running = true;
m_startWaiter.wakeAll();
rc = (hackrf_error) hackrf_start_tx(m_dev, tx_callback, this);
@@ -80,7 +78,7 @@ void HackRFOutputThread::run()
}
else
{
while ((m_running) && (hackrf_is_streaming(m_dev) == HACKRF_TRUE))
while ((m_running) && (hackrf_is_streaming(m_dev) == HACKRF_TRUE))
{
usleep(200000);
}
@@ -97,7 +95,7 @@ void HackRFOutputThread::run()
qDebug("HackRFOutputThread::run: failed to stop HackRF Tx: %s", hackrf_error_name(rc));
}
//m_running = false;
m_running = false;
}
// Interpolate according to specified log2 (ex: log2=4 => interp=16)