Correctly implements the buffer overflow listener registration so that

decoding channels can be notified when the internal buffer goes into
and out of overflow state.

src/main/java/io/github/dsheirer/source/tuner/channel/CICTunerChannelSource.java

@@ -19,6 +19,7 @@ import io.github.dsheirer.dsp.filter.cic.ComplexPrimeCICDecimate;
 import io.github.dsheirer.dsp.filter.design.FilterDesignException;
 import io.github.dsheirer.dsp.mixer.IOscillator;
 import io.github.dsheirer.dsp.mixer.LowPhaseNoiseOscillator;
+import io.github.dsheirer.sample.IOverflowListener;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.sample.buffer.OverflowableReusableBufferTransferQueue;
 import io.github.dsheirer.sample.buffer.ReusableComplexBuffer;
@@ -74,6 +75,7 @@ public class CICTunerChannelSource extends TunerChannelSource implements Listene
             channelSpecification.getStopFrequency());
 
         mBuffer = new OverflowableReusableBufferTransferQueue<>(BUFFER_MAX_CAPACITY, BUFFER_OVERFLOW_RESET_THRESHOLD);
+
         //Setup the frequency mixer to the current source frequency
         mChannelSampleRate = sampleRate / (double)decimation;
         mTunerFrequency = tunerChannel.getFrequency();
@@ -82,6 +84,18 @@ public class CICTunerChannelSource extends TunerChannelSource implements Listene
         mFrequencyCorrectionMixer = new LowPhaseNoiseOscillator(frequencyOffset, sampleRate);
     }
 
+    /**
+     * Registers an overflow listener to be notified in the internal buffer is in an
+     * overflow state.
+     *
+     * @param listener to receiver updates to the source overflow state
+     */
+    @Override
+    public void setOverflowListener(IOverflowListener listener)
+    {
+        mBuffer.setOverflowListener(listener);
+    }
+
     @Override
     public void dispose()
     {