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SoapySDR support: output: fixed sample FIFO resizing

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f4exb
2018-11-04 18:56:57 +01:00
parent 564a99d14e
commit 2bc59154bf
3 changed files with 40 additions and 0 deletions
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plugins/samplesink/soapysdroutput/soapysdroutput.cpp
+32
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@@ -621,6 +621,38 @@ bool SoapySDROutput::applySettings(const SoapySDROutputSettings& settings, bool
xlatedDeviceCenterFrequency -= settings.m_transverterMode ? settings.m_transverterDeltaFrequency : 0;
xlatedDeviceCenterFrequency = xlatedDeviceCenterFrequency < 0 ? 0 : xlatedDeviceCenterFrequency;
// resize FIFO
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || (m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
SoapySDROutputThread *soapySDROutputThread = findThread();
SampleSourceFifo *fifo = 0;
if (soapySDROutputThread)
{
fifo = soapySDROutputThread->getFifo(requestedChannel);
soapySDROutputThread->setFifo(requestedChannel, 0);
}
int fifoSize;
if (settings.m_log2Interp >= 5)
{
fifoSize = DeviceSoapySDRShared::m_sampleFifoMinSize32;
}
else
{
fifoSize = std::max(
(int) ((settings.m_devSampleRate/(1<<settings.m_log2Interp)) * DeviceSoapySDRShared::m_sampleFifoLengthInSeconds),
DeviceSoapySDRShared::m_sampleFifoMinSize);
}
m_sampleSourceFifo.resize(fifoSize);
if (fifo) {
soapySDROutputThread->setFifo(requestedChannel, &m_sampleSourceFifo);
}
}
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force)
{
forwardChangeOwnDSP = true;