Limit FFTW planner to 2s to avoid stalling input

Stalling the input breaks the ZMQ input functionality on raspberry pi. EDI is able to restart the modulator,
which uses cached plans

2 files changed, 2 insertions, 0 deletions

diff --git a/src/OfdmGenerator.cpp b/src/OfdmGenerator.cpp
index 00b53ad..2e68df0 100644
--- a/src/OfdmGenerator.cpp
+++ b/src/OfdmGenerator.cpp
@@ -104,6 +104,7 @@ OfdmGenerator::OfdmGenerator(size_t nbSymbols,
     const int N = mySpacing; // The size of the FFT
     myFftIn = (FFT_TYPE*)fftwf_malloc(sizeof(FFT_TYPE) * N);
     myFftOut = (FFT_TYPE*)fftwf_malloc(sizeof(FFT_TYPE) * N);
+    fftwf_set_timelimit(2);
     myFftPlan = fftwf_plan_dft_1d(N,
             myFftIn, myFftOut,
             FFTW_BACKWARD, FFTW_MEASURE);
diff --git a/src/Resampler.cpp b/src/Resampler.cpp
index 142a4bb..f2e0eb6 100644
--- a/src/Resampler.cpp
+++ b/src/Resampler.cpp
@@ -93,6 +93,7 @@ Resampler::Resampler(size_t inputRate, size_t outputRate, size_t resolution) :
 
     myFftIn = (FFT_TYPE*)fftwf_malloc(sizeof(FFT_TYPE) * myFftSizeIn);
     myFront = (FFT_TYPE*)fftwf_malloc(sizeof(FFT_TYPE) * myFftSizeIn);
+    fftwf_set_timelimit(2);
     myFftPlan1 = fftwf_plan_dft_1d(myFftSizeIn,
             myFftIn, myFront,
             FFTW_FORWARD, FFTW_MEASURE);