Put the default sample rates back, might be causing bad init..

src/CubicSDR.cpp

@@ -112,9 +112,9 @@ long long strToFrequency(std::string freqStr) {
 }
 
 
-CubicSDR::CubicSDR() : appframe(NULL), m_glContext(NULL), frequency(0), offset(0), ppm(0), snap(1), sampleRate(0), directSamplingMode(0),
+CubicSDR::CubicSDR() : appframe(NULL), m_glContext(NULL), frequency(0), offset(0), ppm(0), snap(1), sampleRate(DEFAULT_SAMPLE_RATE), directSamplingMode(0),
     sdrThread(NULL), sdrPostThread(NULL), spectrumVisualThread(NULL), demodVisualThread(NULL), pipeSDRIQData(NULL), pipeIQVisualData(NULL), pipeAudioVisualData(NULL), t_SDR(NULL), t_PostSDR(NULL) {
-    
+        sampleRateInitialized.store(false);
 }
 
 
@@ -412,8 +412,9 @@ void CubicSDR::setDevice(SDRDeviceInfo *dev) {
 //        }
         
         // Try for a reasonable default sample rate.
-        if (!sampleRate) {
+        if (!sampleRateInitialized.load()) {
             sampleRate = chan->getSampleRateNear(DEFAULT_SAMPLE_RATE);
+            sampleRateInitialized.store(true);
         }
 
         int rateHigh, rateLow;

src/CubicSDR.h

@@ -142,6 +142,7 @@ private:
     std::thread *t_SDR, *t_SDREnum, *t_PostSDR, *t_SpectrumVisual, *t_DemodVisual;
     std::atomic_bool devicesReady;
     std::atomic_bool deviceSelectorOpen;
+    std::atomic_bool sampleRateInitialized;
     std::string notifyMessage;
     std::mutex notify_busy;
 };

src/sdr/SoapySDRThread.cpp

@@ -11,7 +11,7 @@ SDRThread::SDRThread() : IOThread() {
     deviceConfig.store(NULL);
     deviceInfo.store(NULL);
 
-    sampleRate.store(0);
+    sampleRate.store(DEFAULT_SAMPLE_RATE);
     frequency.store(0);
     offset.store(0);
     ppm.store(0);

src/sdr/SoapySDRThread.h

@@ -22,7 +22,7 @@ public:
     std::vector<liquid_float_complex> data;
 
     SDRThreadIQData() :
-            frequency(0), sampleRate(0), dcCorrected(true), numChannels(0) {
+            frequency(0), sampleRate(DEFAULT_SAMPLE_RATE), dcCorrected(true), numChannels(0) {
 
     }