Initial code check in continued

2026-11-12 08:37:25 -05:00 · 2014-04-26 19:48:24 +00:00
parent 960a6f9952
commit 3dfedcf8d1
474 changed files with 76613 additions and 0 deletions
--- a/src/sample/complex/ComplexSampleRateCounter.java
+++ b/src/sample/complex/ComplexSampleRateCounter.java
@@ -0,0 +1,107 @@
+/*******************************************************************************
+ *     SDR Trunk 
+ *     Copyright (C) 2014 Dennis Sheirer
+ * 
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * 
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ * 
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>
+ ******************************************************************************/
+package sample.complex;
+
+import java.util.List;
+
+import log.Log;
+import sample.Listener;
+import source.tuner.FrequencyChangeListener;
+import buffer.FloatAveragingBuffer;
+
+public class ComplexSampleRateCounter implements Listener<ComplexSample>,
+												 ComplexSampleListListener,
+												 FrequencyChangeListener
+{
+	private int mCounter;
+	private int mAverageCounter;
+	private int mExpectedSampleRate;
+	private long mLastRun = 0;
+	private int mBufferSize = 100;
+	private FloatAveragingBuffer mAveragingBuffer;
+	
+	public ComplexSampleRateCounter( int expectedSampleRate, int bufferSize )
+	{
+		mExpectedSampleRate = expectedSampleRate;
+		mBufferSize = bufferSize;
+		
+		mAveragingBuffer = new FloatAveragingBuffer( mBufferSize );		
+
+		mLastRun = System.currentTimeMillis();
+
+		Log.info( "Complex Sample Rate Counter started ...." );
+	}
+	
+	@Override
+    public void receive( ComplexSample sample )
+    {
+		mCounter++;
+		
+		if( mCounter >= mExpectedSampleRate )
+		{
+			mCounter = 0;
+			
+			long now = System.currentTimeMillis();
+			long elapsed = now - mLastRun;
+			mLastRun = now;
+
+			float average = (float)mExpectedSampleRate * 1000.0f / (float)elapsed;
+			float runningAverage = mAveragingBuffer.get( average );
+			
+			mAverageCounter++;
+			
+			Log.info( "Complex Sample Rate Avg " + mAverageCounter + 
+					  " current [" + elapsed + " ms/" + average + 
+					  " hz] average [" + runningAverage + " hz] expected [" +
+					  mExpectedSampleRate + " hz] over [" +
+						mBufferSize + "] buffer length" );
+		}
+    }
+
+	@Override
+    public void receive( List<ComplexSample> samples )
+    {
+		mCounter += samples.size();
+		
+		if( mCounter >= mExpectedSampleRate )
+		{
+			mCounter -= mExpectedSampleRate;
+			
+			long now = System.currentTimeMillis();
+			long elapsed = now - mLastRun;
+			mLastRun = now;
+
+			float average = (float)mExpectedSampleRate * 1000.0f / (float)elapsed;
+			float runningAverage = mAveragingBuffer.get( average );
+			
+			mAverageCounter++;
+			
+			Log.info( "Complex Sample Rate Avg " + mAverageCounter + 
+					  " current [" + elapsed + " ms/" + average + 
+					  " hz] average [" + runningAverage + " hz] expected [" +
+					  mExpectedSampleRate + " hz] over [" +
+						mBufferSize + "] buffer length" );
+		}
+    }
+
+	@Override
+    public void frequencyChanged( int frequency, int bandwidth )
+    {
+		mExpectedSampleRate = bandwidth;
+    }
+}