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Fixed FFT factory new plan allocation and effectively grab fftw-file option in the main parser

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f4exb
2020-03-14 06:40:38 +01:00
parent 30694b4be7
commit 606d4fd756
3 changed files with 26 additions and 5 deletions
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sdrbase/dsp/fftwengine.cpp
+20 -3
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@@ -48,10 +48,27 @@ void FFTWEngine::configure(int n, bool inverse)
m_currentPlan->out = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * n);
QTime t;
t.start();
m_globalPlanMutex.lock();
m_globalPlanMutex.lock();
if (m_fftWisdomFileName.size() > 0)
{
int rc = fftwf_import_wisdom_from_filename(m_fftWisdomFileName.toStdString().c_str());
if (rc == 0) { // that's an error (undocumented)
qInfo("FFTWEngine::configure: importing from FFTW wisdom file: '%s' failed", qPrintable(m_fftWisdomFileName));
} else {
qDebug("FFTWEngine::configure: successfully imported from FFTW wisdom file: '%s'", qPrintable(m_fftWisdomFileName));
}
}
else
{
qDebug("FFTWEngine::configure: no FFTW wisdom file");
}
m_currentPlan->plan = fftwf_plan_dft_1d(n, m_currentPlan->in, m_currentPlan->out, inverse ? FFTW_BACKWARD : FFTW_FORWARD, FFTW_PATIENT);
m_globalPlanMutex.unlock();
qDebug("FFT: creating FFTW plan (n=%d,%s) took %dms", n, inverse ? "inverse" : "forward", t.elapsed());
m_globalPlanMutex.unlock();
qDebug("FFT: creating FFTW plan (n=%d,%s) took %dms", n, inverse ? "inverse" : "forward", t.elapsed());
m_plans.push_back(m_currentPlan);
}