IQ recording file playback partial checkin.

NOTE: only the gui components and settings handling have been implemented.  Actual recording playback is not yet implemented.

Partial checkin of initial P25 decoder development.  

NOTE: P25 decoder is not yet functional.

src/controller/ConfigurationControllerModel.java

@@ -31,6 +31,7 @@ import javax.swing.tree.TreePath;
 import map.IconManager;
 import playlist.PlaylistNode;
 import source.config.SourceConfigTuner;
+import source.recording.RecordingGroupNode;
 import source.tuner.Tuner;
 import source.tuner.TunerGroupNode;
 import source.tuner.TunerNode;
@@ -61,8 +62,8 @@ public class ConfigurationControllerModel extends DefaultTreeModel
 
     
     private PlaylistNode mPlaylistNode;
-    
     private TunerGroupNode mTunerGroupNode;
+    private RecordingGroupNode mRecordingGroupNode;
     
     private IconManager mIconManagerFrame;
 
@@ -114,17 +115,24 @@ public class ConfigurationControllerModel extends DefaultTreeModel
 	public void init()
 	{
     	/**
-    	 * Add the root tuner group node
+    	 * Add the tuner group node
     	 */
     	mTunerGroupNode = new TunerGroupNode();
     	insertNodeInto( mTunerGroupNode, (MutableTreeNode)root, 0 );
     	addTuners( mTunerGroupNode );
     	
+    	/**
+    	 * Add the recording group node
+    	 */
+    	mRecordingGroupNode = new RecordingGroupNode();
+    	insertNodeInto( mRecordingGroupNode, (MutableTreeNode)root, 1 );
+    	mRecordingGroupNode.loadRecordings();
+    	
 		/**
 		 * Add the playlist node
 		 */
     	mPlaylistNode = new PlaylistNode();
-    	insertNodeInto( mPlaylistNode, (MutableTreeNode)root, 1 );
+    	insertNodeInto( mPlaylistNode, (MutableTreeNode)root, 2 );
     	mPlaylistNode.loadPlaylist();
 	}
 	

src/controller/ResourceManager.java

@@ -22,6 +22,7 @@ import playlist.PlaylistManager;
 import record.RecorderManager;
 import settings.SettingsManager;
 import source.SourceManager;
+import source.recording.RecordingSourceManager;
 import source.tuner.TunerManager;
 import controller.channel.ChannelManager;
 import eventlog.EventLogManager;
@@ -35,6 +36,7 @@ public class ResourceManager
     private EventLogManager mEventLogManager;
     private PlaylistManager mPlaylistManager;
     private RecorderManager mRecorderManager;
+    private RecordingSourceManager mRecordingSourceManager;
 	private SettingsManager mSettingsManager;
     private SourceManager mSourceManager;
     private TunerManager mTunerManager;
@@ -66,6 +68,7 @@ public class ResourceManager
     	 */
     	mChannelManager = new ChannelManager( this );
     	mSourceManager = new SourceManager( this );
+    	mRecordingSourceManager = new RecordingSourceManager( this );
     	mTunerManager = new TunerManager( this );
     	mController = new ConfigurationControllerModel( this );
     	mMapService = new MapService( this );    
@@ -146,6 +149,16 @@ public class ResourceManager
     {
     	mSourceManager = sourceManager;
     }
+    
+    public RecordingSourceManager getRecordingSourceManager()
+    {
+    	return mRecordingSourceManager;
+    }
+    
+    public void setRecordingSourceManager( RecordingSourceManager manager )
+    {
+    	mRecordingSourceManager = manager;
+    }
 
     public ChannelManager getChannelManager()
     {

src/controller/channel/Channel.java

@@ -40,6 +40,7 @@ import record.config.RecordConfiguration;
 import sample.Listener;
 import source.SourceType;
 import source.config.SourceConfigFactory;
+import source.config.SourceConfigRecording;
 import source.config.SourceConfigTuner;
 import source.config.SourceConfiguration;
 import source.tuner.TunerChannel;
@@ -344,6 +345,14 @@ public class Channel extends Configuration
             retVal = new TunerChannel( Type.LOCKED, config.getFrequency(), 
                     mDecodeConfiguration.getDecoderType().getChannelBandwidth() );
         }
+        else if( mSourceConfiguration.getSourceType() == SourceType.RECORDING )
+        {
+            SourceConfigRecording config = 
+            		(SourceConfigRecording)mSourceConfiguration;
+
+            retVal = new TunerChannel( Type.LOCKED, config.getFrequency(), 
+                mDecodeConfiguration.getDecoderType().getChannelBandwidth() );
+        }
         
         return retVal;
     }

src/controller/channel/ProcessingChain.java

@@ -41,6 +41,7 @@ import source.FloatArraySource;
 import source.FloatSource;
 import source.Source;
 import source.Source.SampleType;
+import source.SourceException;
 import source.config.SourceConfigMixer;
 import source.tuner.Tuner;
 import source.tuner.TunerChannelSource;
@@ -256,8 +257,18 @@ public class ProcessingChain implements Listener<Message>
 		/* Get a new source if needed and start the sample processor thread */
 		if( mChannel.getEnabled() && mResourceManager != null )
 		{
-			mSource = mResourceManager.getSourceManager()
-								.getSource( ProcessingChain.this );
+			try
+            {
+	            mSource = mResourceManager.getSourceManager()
+	            					.getSource( ProcessingChain.this );
+            }
+            catch ( SourceException e )
+            {
+            	Log.error( "Couldn't obtain source for processing chain [" + 
+            					toString() + "] - " + e.getLocalizedMessage() );
+            	
+            	mSource = null;
+            }
 
 			if( mSource != null )
 			{

src/decode/DecoderType.java

@@ -31,7 +31,8 @@ public enum DecoderType
     MDC1200( "MDC1200", "MDC1200", "images/fm", 12500 ),
     MPT1327( "MPT1327", "MPT1327", "images/mpt1327", 12500 ),
     NBFM( "NBFM", "NBFM", "images/fm", 12500 ),
-    PASSPORT( "Passport", "Passport", "images/passport", 12500 );
+    PASSPORT( "Passport", "Passport", "images/passport", 12500 ),
+    P25( "P25", "P25", "images/p25", 12500 );
     
     private String mDisplayString;
     private String mShortDisplayString;
@@ -68,7 +69,8 @@ public enum DecoderType
     	                   DecoderType.LTR_NET,
     					   DecoderType.MDC1200,
     					   DecoderType.MPT1327,
-    					   DecoderType.PASSPORT );
+    					   DecoderType.PASSPORT,
+    					   DecoderType.P25 );
     }
     
     /**

src/decode/p25/P25Decoder.java

@@ -0,0 +1,144 @@
+/*******************************************************************************
+ *     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 decode.p25;
+
+import instrument.Instrumentable;
+import instrument.tap.Tap;
+import instrument.tap.stream.FloatTap;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import source.Source.SampleType;
+import alias.AliasList;
+import decode.Decoder;
+import decode.DecoderType;
+import dsp.filter.DCRemovalFilter2;
+import dsp.fsk.C4FMDecoder;
+import dsp.nbfm.FilteringNBFMDemodulator;
+
+public class P25Decoder extends Decoder implements Instrumentable
+{
+	/**
+	 * This value determines how quickly the DC remove filter responds to 
+	 * changes in frequency.
+	 */
+	private static final double sDC_REMOVAL_RATIO = 0.000003;
+
+	private final String TAP_DEMOD_TO_DECODER = "Demodulated Audio <> C4FM Decoder";
+	
+	private FilteringNBFMDemodulator mDemodulator;
+	private DCRemovalFilter2 mDCRemovalFilter; 
+	private C4FMDecoder mC4FMDecoder;
+	private AliasList mAliasList;
+	
+	private ArrayList<Tap> mTaps;
+	
+	public P25Decoder( SampleType sampleType, AliasList aliasList )
+	{
+		super( sampleType );
+		
+		mAliasList = aliasList;
+		
+		/**
+		 * Only setup a demod chain if we're receiving complex samples.  If
+		 * we're receiving demodulated samples, they'll be handled the same 
+		 * way as we handle the output of the demodulator.
+		 */
+		if( mSourceSampleType == SampleType.COMPLEX )
+		{
+			/**
+			 * The Decoder super class is both a Complex listener and a float
+			 * listener.  So, we add the demod to listen to the incoming 
+			 * quadrature samples, and we wire the output of the demod right
+			 * back to this class, so we can receive the demodulated output
+			 * to process
+			 */
+			mDemodulator = new FilteringNBFMDemodulator();
+			this.addComplexListener( mDemodulator );
+
+			/**
+			 * Remove the DC component that is present when we're mistuned
+			 */
+			mDCRemovalFilter = new DCRemovalFilter2( sDC_REMOVAL_RATIO );
+			mDemodulator.addListener( mDCRemovalFilter );
+
+			/**
+			 * Route the demodulated, filtered samples back to this class to send
+			 * to all registered listeners
+			 */
+			mDCRemovalFilter.setListener( this.getFloatReceiver() );
+			
+		}
+
+		mC4FMDecoder = new C4FMDecoder();
+		addFloatListener( mC4FMDecoder );
+	}
+
+	@Override
+    public DecoderType getType()
+    {
+	    return DecoderType.NBFM;
+    }
+
+	@Override
+    public List<Tap> getTaps()
+    {
+		if( mTaps == null )
+		{
+			mTaps = new ArrayList<Tap>();
+			mTaps.add( new FloatTap( TAP_DEMOD_TO_DECODER, 0, 1.0f ) );
+			
+			mTaps.addAll( mC4FMDecoder.getTaps() );
+		}
+		
+	    return mTaps;
+    }
+
+	@Override
+    public void addTap( Tap tap )
+    {
+		mC4FMDecoder.addTap( tap );
+		
+		switch( tap.getName() )
+		{
+			case TAP_DEMOD_TO_DECODER:
+				FloatTap demodTap = (FloatTap)tap;
+				removeFloatListener( mC4FMDecoder );
+				addFloatListener( demodTap );
+				demodTap.setListener( mC4FMDecoder );
+				break;
+		}
+    }
+
+	@Override
+    public void removeTap( Tap tap )
+    {
+		mC4FMDecoder.removeTap( tap );
+		
+		switch( tap.getName() )
+		{
+			case TAP_DEMOD_TO_DECODER:
+				FloatTap demodTap = (FloatTap)tap;
+				removeFloatListener( demodTap );
+				demodTap.removeListener( mC4FMDecoder );
+				addFloatListener( mC4FMDecoder );
+				break;
+		}
+    }
+}

src/dsp/fsk/C4FMDecoder.java

@@ -0,0 +1,66 @@
+package dsp.fsk;
+
+import instrument.Instrumentable;
+import instrument.tap.Tap;
+import instrument.tap.stream.FloatTap;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import sample.Listener;
+
+public class C4FMDecoder implements Listener<Float>, Instrumentable
+{
+	private final String TAP_C4FM_INPUT = "C4FM Input";
+	private ArrayList<Tap> mTaps;
+	private FloatTap mInputTap;
+	
+	public C4FMDecoder()
+	{
+	}
+
+	@Override
+    public List<Tap> getTaps()
+    {
+		if( mTaps == null )
+		{
+			mTaps = new ArrayList<Tap>();
+
+			FloatTap floatTap = new FloatTap( TAP_C4FM_INPUT, 0, 1.0f );
+			mTaps.add( floatTap );
+		}
+		
+	    return mTaps;
+    }
+
+	@Override
+    public void addTap( Tap tap )
+    {
+		switch( tap.getName() )
+		{
+			case TAP_C4FM_INPUT:
+				mInputTap = (FloatTap)tap; 
+				break;
+		}
+    }
+
+	@Override
+    public void removeTap( Tap tap )
+    {
+		switch( tap.getName() )
+		{
+			case TAP_C4FM_INPUT:
+				mInputTap = null; 
+				break;
+		}
+    }
+
+	@Override
+    public void receive( Float t )
+    {
+		if( mInputTap != null )
+		{
+			mInputTap.receive( t );
+		}
+    }
+}

src/instrument/gui/DecoderViewFrame.java

@@ -19,9 +19,13 @@ package instrument.gui;
 
 import instrument.Instrumentable;
 import instrument.tap.Tap;
+import instrument.tap.TapViewPanel;
 import instrument.tap.stream.BinaryTap;
+import instrument.tap.stream.BinaryTapViewPanel;
 import instrument.tap.stream.FloatTap;
+import instrument.tap.stream.FloatTapViewPanel;
 import instrument.tap.stream.SymbolEventTap;
+import instrument.tap.stream.SymbolEventTapViewPanel;
 
 import java.awt.Dimension;
 import java.awt.event.ActionEvent;
@@ -51,7 +55,9 @@ import decode.Decoder;
 public class DecoderViewFrame extends JInternalFrame 
 							  implements PositionListener, Listener<Message>
 {
-	private Decoder mDecoder;
+    private static final long serialVersionUID = 1L;
+
+    private Decoder mDecoder;
 	private WaveSource mWaveSource;
 	
 	private HashMap<Tap,TapViewPanel> mPanelMap = 

src/instrument/gui/WaveSourceFrame.java

@@ -46,6 +46,7 @@ import decode.fleetsync2.Fleetsync2Decoder;
 import decode.ltrnet.LTRNetDecoder;
 import decode.mdc1200.MDCDecoder;
 import decode.mpt1327.MPT1327Decoder;
+import decode.p25.P25Decoder;
 import decode.passport.PassportDecoder;
 
 public class WaveSourceFrame extends JInternalFrame implements PositionListener
@@ -146,6 +147,10 @@ public class WaveSourceFrame extends JInternalFrame implements PositionListener
 							break;
 						case PASSPORT:
 							decoder = new PassportDecoder( SampleType.FLOAT, null );
+							break;
+						case P25:
+							decoder = new P25Decoder( SampleType.FLOAT, null );
+							break;
 					}
 
 					if( decoder != null )

src/instrument/tap/TapViewPanel.java

@@ -15,7 +15,9 @@
  *     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 instrument.gui;
+package instrument.tap;
+
+import instrument.gui.SampleModel;
 
 import java.awt.Color;
 import java.awt.Dimension;

src/instrument/tap/stream/BinaryTapViewPanel.java

@@ -15,10 +15,11 @@
  *     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 instrument.gui;
+package instrument.tap.stream;
 
+import instrument.gui.SampleModel;
 import instrument.tap.Tap;
-import instrument.tap.stream.BinaryTap;
+import instrument.tap.TapViewPanel;
 
 import java.awt.Color;
 import java.awt.FontMetrics;

src/instrument/tap/stream/FloatTapPhaseViewPanel.java

@@ -0,0 +1,128 @@
+/*******************************************************************************
+ *     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 instrument.tap.stream;
+
+import instrument.gui.SampleModel;
+import instrument.tap.Tap;
+import instrument.tap.TapViewPanel;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.geom.Path2D;
+import java.awt.geom.Point2D;
+import java.util.List;
+import java.util.Observable;
+
+import log.Log;
+
+public class FloatTapPhaseViewPanel extends TapViewPanel
+{
+    private static final long serialVersionUID = 1L;
+	private Tap mTap;
+	private List<Float> mSamples;
+	private int mSampleCount;
+
+	public FloatTapPhaseViewPanel( FloatTap tap )
+	{
+		super( new SampleModel<Float>(), tap.getName() );
+		
+		mTap = tap;
+		mTap.addListener( getModel() );
+
+		mSampleCount = (int)( 2000 * tap.getSampleRateRatio() );
+
+		getModel().setSampleCount( mSampleCount );
+		getModel().setDelay( tap.getDelay() );
+		
+		Log.info( "Float Tap Panel [" + tap.getName() + "] count: " + 
+			getModel().getSampleCount() + " delay:" + getModel().getDelay() );
+	}
+	
+	@Override
+    public void update( Observable arg0, Object arg1 )
+    {
+		mSamples = (List<Float>)getModel().getSamples();
+		repaint();
+    }
+	
+	public void paintComponent( Graphics g )
+	{
+		super.paintComponent( g );
+		
+		Graphics2D g2 = (Graphics2D)g;
+
+		int height = getHeight();
+		int width = getWidth();
+		
+		g2.setColor( Color.DARK_GRAY );
+		
+		float middle = (float)height / 2.0f;
+
+		g2.drawLine( 0, (int)middle, width, (int)middle );
+
+		if( mSamples != null && 
+			mSamples.size() > 0  )
+		{
+			g2.setColor( getForeground() );
+			
+			g2.drawString( mLabel, 5 , 15 );
+
+			Path2D.Float polyline = 
+		        new Path2D.Float( Path2D.Float.WIND_EVEN_ODD, mSamples.size() );
+
+			/* Move to the first point */
+			Point2D.Float first = resolve( 0, mSamples.get( 0 ) );
+			polyline.moveTo( first.x, first.y );
+			
+			for( int x = 1; x < mSamples.size(); x++ )
+			{
+				Point2D.Float point = resolve( x, mSamples.get( x ) );
+				
+				polyline.lineTo( point.x, point.y );
+			}
+
+			g2.draw(polyline);
+		}
+		
+		g2.dispose();
+	}
+	
+	private Point2D.Float resolve( int index, float value )
+	{
+		int middle = (int)( getHeight() / 2 );
+		
+		double scaledValue = Math.asin( value );
+		
+		float y = middle - (float)( middle * scaledValue * mVerticalZoom );
+
+		/* Clip y to zero as necessary */
+		y = ( y < 0 ) ? 0 : y;
+
+		/* Clip y to max height as necessary */
+		y = ( y > getHeight() ) ? getHeight() : y;
+		
+		float indexWidth = (float)getWidth() / (float)mSampleCount;
+		
+		float x = (float)index * indexWidth;
+
+		Point2D.Float point = new Point2D.Float( x, y );
+		
+		return new Point2D.Float( x , y );
+	}
+}

src/instrument/tap/stream/FloatTapViewPanel.java

@@ -15,10 +15,11 @@
  *     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 instrument.gui;
+package instrument.tap.stream;
 
+import instrument.gui.SampleModel;
 import instrument.tap.Tap;
-import instrument.tap.stream.FloatTap;
+import instrument.tap.TapViewPanel;
 
 import java.awt.Color;
 import java.awt.Graphics;
@@ -108,6 +109,7 @@ public class FloatTapViewPanel extends TapViewPanel
 		
 		float scaledValue = value / (float)Short.MAX_VALUE;
 		
+		Log.info( "Float value is:" + scaledValue );
 		float y = middle - ( middle * scaledValue * mVerticalZoom );
 
 		/* Clip y to zero as necessary */

src/instrument/tap/stream/SymbolEventTapViewPanel.java

@@ -15,9 +15,10 @@
  *     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 instrument.gui;
+package instrument.tap.stream;
 
-import instrument.tap.stream.SymbolEventTap;
+import instrument.gui.SampleModel;
+import instrument.tap.TapViewPanel;
 
 import java.awt.Color;
 import java.awt.FontMetrics;

src/log/Log.java

@@ -86,6 +86,32 @@ public class Log
 		System.out.println( ( label == null ? "" : label + ": " ) + msg );
 	}
 	
+	private static void log( String msg, String label, Throwable throwable )
+	{
+		StringBuilder sb = new StringBuilder();
+		
+		if( msg != null )
+		{
+			sb.append( msg );
+			sb.append( "\n" );
+		}
+
+		sb.append( "---- STACK TRACE ----\n" );
+		sb.append( "\tERROR: " );
+		sb.append( throwable.getLocalizedMessage() + "\n" );
+		
+		StackTraceElement[] stack = throwable.getStackTrace();
+		
+		for( StackTraceElement element: stack )
+		{
+			sb.append( "\t" );
+			sb.append( element.toString() );
+			sb.append( "\n" );
+		}
+
+		log( sb.toString(), label );
+	}
+	
 	public static void header( String name )
 	{
 		StringBuilder sb = new StringBuilder();
@@ -138,11 +164,21 @@ public class Log
     	log( msg, "ERROR" );
     }
     
+    public static void error( String msg, Throwable throwable )
+    {
+    	log( msg, "ERROR", throwable );
+    }
+    
     public static void debug( String msg )
     {
     	log( msg, "DEBUG" );
     }
 
+    public static void debug( String msg, Throwable throwable )
+    {
+    	log( msg, "DEBUG", throwable );
+    }
+ 
     /**
      * Initializes logging to the specified filename
      */

src/settings/Settings.java

@@ -26,10 +26,8 @@ import javax.xml.bind.annotation.XmlSeeAlso;
 
 import map.DefaultIcon;
 import map.MapIcon;
-
-import org.jdesktop.swingx.mapviewer.GeoPosition;
-
 import settings.ColorSetting.ColorSettingName;
+import source.recording.RecordingConfiguration;
 import source.tuner.TunerConfiguration;
 import source.tuner.TunerConfigurationAssignment;
 import source.tuner.TunerType;
@@ -50,6 +48,7 @@ import source.tuner.rtl.r820t.R820TTunerConfiguration;
 			   MapViewSetting.class,
 			   MapIcon.class,
 			   R820TTunerConfiguration.class,
+			   RecordingConfiguration.class,
 			   Setting.class,
 			   TunerConfiguration.class, 
 			   TunerConfigurationAssignment.class} )
@@ -65,10 +64,35 @@ public class Settings
 	private ArrayList<TunerConfigurationAssignment> mConfigurationAssignments =
 			new ArrayList<TunerConfigurationAssignment>();
 	
+	private ArrayList<RecordingConfiguration> mRecordingConfigurations =
+			new ArrayList<RecordingConfiguration>();
+
 	public Settings()
 	{
 	}
 
+	@XmlElement( name="recording_configuration" )
+	public ArrayList<RecordingConfiguration> getRecordingConfigurations()
+	{
+		return mRecordingConfigurations;
+	}
+	
+	public void setRecordingConfigurations( ArrayList<RecordingConfiguration> configs )
+	{
+		mRecordingConfigurations = configs;
+	}
+	
+	public void addRecordingConfiguration( RecordingConfiguration config )
+	{
+		mRecordingConfigurations.add( config );
+		
+	}
+	
+	public void removeRecordingConfiguration( RecordingConfiguration config )
+	{
+		mRecordingConfigurations.remove( config );
+	}
+	
 	@XmlElement( name="tuner_configuration" )
 	public ArrayList<TunerConfiguration> getTunerConfigurations()
 	{

src/settings/SettingsManager.java

@@ -45,6 +45,7 @@ import org.jdesktop.swingx.mapviewer.GeoPosition;
 
 import properties.SystemProperties;
 import settings.ColorSetting.ColorSettingName;
+import source.recording.RecordingConfiguration;
 import source.tuner.TunerConfiguration;
 import source.tuner.TunerConfigurationAssignment;
 import source.tuner.TunerType;
@@ -517,6 +518,23 @@ public class SettingsManager
 		broadcastSettingChange( setting );
 	}
 	
+	public ArrayList<RecordingConfiguration> getRecordingConfigurations()
+	{
+		return mSettings.getRecordingConfigurations();
+	}
+	
+	public void addRecordingConfiguration( RecordingConfiguration config )
+	{
+		mSettings.addRecordingConfiguration( config );
+		save();
+	}
+	
+	public void removeRecordingConfiguration( RecordingConfiguration config )
+	{
+		mSettings.removeRecordingConfiguration( config );
+		save();
+	}
+	
 	public ArrayList<TunerConfiguration> getTunerConfigurations( TunerType type )
 	{
 		ArrayList<TunerConfiguration> configs = getSettings()

src/source/EmptySourceEditor.java

@@ -20,14 +20,16 @@ package source;
 import javax.swing.JLabel;
 
 import source.config.SourceConfiguration;
+import controller.ResourceManager;
 
 public class EmptySourceEditor extends SourceEditor
 {
     private static final long serialVersionUID = 1L;
 
-	public EmptySourceEditor( SourceConfiguration config )
+	public EmptySourceEditor( ResourceManager resourceManager, 
+							  SourceConfiguration config )
 	{
-		super( config );
+		super( resourceManager, config );
 		
 		initGUI();
 	}

src/source/SourceComponentEditor.java

@@ -73,7 +73,8 @@ public class SourceComponentEditor extends AbstractChannelEditor
 					}
 					
 					//Change to the new one
-					mEditor = SourceEditorFactory.getPanel( config );
+					mEditor = SourceEditorFactory.getPanel( 
+						mChannelNode.getModel().getResourceManager(), config );
 					
 					//Add it to the jpanel
 					add( mEditor, "span 2" );

src/source/SourceEditor.java

@@ -19,15 +19,18 @@ package source;
 
 import source.config.SourceConfiguration;
 import controller.Editor;
+import controller.ResourceManager;
 
 public abstract class SourceEditor extends Editor
 {
     private static final long serialVersionUID = 1L;
 
+    protected ResourceManager mResourceManager;
     protected SourceConfiguration mConfig;
 	
-	public SourceEditor( SourceConfiguration config )
+	public SourceEditor( ResourceManager resourceManager, SourceConfiguration config )
 	{
+		mResourceManager = resourceManager;
 		mConfig = config;
 	}
 
@@ -35,4 +38,9 @@ public abstract class SourceEditor extends Editor
 	{
 		return mConfig;
 	}
+	
+	public ResourceManager getResourceManager()
+	{
+		return mResourceManager;
+	}
 }

src/source/SourceEditorFactory.java

@@ -19,25 +19,31 @@ package source;
 
 import source.config.SourceConfiguration;
 import source.mixer.MixerEditor;
+import source.recording.RecordingEditor;
 import source.tuner.TunerEditor;
+import controller.ResourceManager;
 
 public class SourceEditorFactory
 {
-	public static SourceEditor getPanel( SourceConfiguration config )
+	public static SourceEditor getPanel( ResourceManager resourceManager,
+										 SourceConfiguration config )
 	{
 		SourceEditor configuredPanel;
 		
 		switch( config.getSourceType() )
 		{
 			case MIXER:
-				configuredPanel = new MixerEditor( config );
+				configuredPanel = new MixerEditor( resourceManager, config );
 				break;
 			case TUNER:
-				configuredPanel = new TunerEditor( config );
+				configuredPanel = new TunerEditor( resourceManager, config );
+				break;
+			case RECORDING:
+				configuredPanel = new RecordingEditor( resourceManager, config );
 				break;
 			case NONE:
 			default:
-				configuredPanel = new EmptySourceEditor( config );
+				configuredPanel = new EmptySourceEditor( resourceManager, config );
 				break;
 		}
 		

src/source/SourceManager.java

@@ -40,7 +40,7 @@ public class SourceManager {
 		mResourceManager = resourceManager;
 	}
 	
-	public Source getSource( ProcessingChain channel )
+	public Source getSource( ProcessingChain channel ) throws SourceException
 	{
 		Source retVal = null;
 
@@ -55,6 +55,9 @@ public class SourceManager {
 				case TUNER:
 					retVal = mResourceManager.getTunerManager().getSource( channel );
 					break;
+				case RECORDING:
+					retVal = mResourceManager.getRecordingSourceManager()
+									.getSource( channel );
 				case NONE:
 				default:
 					break;

src/source/SourceType.java

@@ -21,8 +21,8 @@ public enum SourceType
 {
 	NONE( "No Source" ),
 	MIXER( "Mixer/Sound Card" ),
-	TUNER( "Tuner" );
-//	WAVE( "Wave File" );
+	TUNER( "Tuner" ),
+	RECORDING( "IQ Recording" );
 	
     private String mDisplayString;
     

src/source/config/SourceConfigFactory.java

@@ -27,7 +27,7 @@ public class SourceConfigFactory
 	}
 	
 	public static SourceConfiguration 
-							getSourceConfiguration( SourceType source )
+		getSourceConfiguration( SourceType source )
 	{
 		SourceConfiguration retVal;
 
@@ -39,6 +39,9 @@ public class SourceConfigFactory
 			case TUNER:
 				retVal = new SourceConfigTuner();
 				break;
+			case RECORDING:
+				retVal = new SourceConfigRecording();
+				break;
 			case NONE:
 			default:
 				retVal = new SourceConfigNone();

src/source/config/SourceConfigRecording.java

@@ -0,0 +1,61 @@
+/*******************************************************************************
+ *     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 source.config;
+
+import javax.xml.bind.annotation.XmlAttribute;
+
+import source.SourceType;
+
+public class SourceConfigRecording extends SourceConfiguration
+{
+	private String mRecordingAlias;
+	private long mFrequency;
+	
+	public SourceConfigRecording()
+    {
+	    super( SourceType.RECORDING );
+    }
+	
+	@XmlAttribute( name = "recording_alias" )
+	public String getRecordingAlias()
+	{
+		return mRecordingAlias;
+	}
+	
+	public void setRecordingAlias( String alias )
+	{
+		mRecordingAlias = alias;
+	}
+
+	@XmlAttribute( name = "frequency" )
+	public long getFrequency()
+	{
+		return mFrequency;
+	}
+	
+	public void setFrequency( long frequency )
+	{
+		mFrequency = frequency;
+	}
+
+	@Override
+    public String getDescription()
+    {
+	    return getRecordingAlias();
+    }
+}

src/source/mixer/MixerEditor.java

@@ -27,6 +27,7 @@ import javax.swing.JLabel;
 import source.SourceEditor;
 import source.config.SourceConfigMixer;
 import source.config.SourceConfiguration;
+import controller.ResourceManager;
 
 public class MixerEditor extends SourceEditor
 {
@@ -36,9 +37,10 @@ public class MixerEditor extends SourceEditor
     protected Mixer.Info mSelectedMixer = null;
     
 
-	public MixerEditor( SourceConfiguration config )
+	public MixerEditor( ResourceManager resourceManager, 
+						SourceConfiguration config )
 	{
-		super( config );
+		super( resourceManager, config );
 		
 		initGUI();
 	}

src/source/recording/Recording.java

@@ -0,0 +1,108 @@
+package source.recording;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.concurrent.RejectedExecutionException;
+
+import source.SourceException;
+import source.tuner.FrequencyChangeListener;
+import source.tuner.TunerChannel;
+import source.tuner.TunerChannelProvider;
+import source.tuner.TunerChannelSource;
+import controller.ResourceManager;
+import controller.ThreadPoolManager;
+
+public class Recording implements Comparable<Recording>,
+								  FrequencyChangeListener, 
+								  TunerChannelProvider
+{
+	private ResourceManager mResourceManager;
+	private RecordingConfiguration mConfiguration;
+	
+	private ArrayList<TunerChannelSource> mTunerChannels = 
+			new ArrayList<TunerChannelSource>();
+	
+	private long mCenterFrequency;
+	
+	public Recording( ResourceManager resourceManager, 
+					  RecordingConfiguration configuration )
+	{
+		mResourceManager = resourceManager;
+		mConfiguration = configuration;
+		mCenterFrequency = mConfiguration.getCenterFrequency();
+	}
+	
+	public void setAlias( String alias )
+	{
+		mConfiguration.setAlias( alias );
+		mResourceManager.getSettingsManager().save();
+	}
+	
+	public void setRecordingFile( File file ) throws SourceException
+	{
+		if( hasChannels() )
+		{
+			throw new SourceException( "Recording source - can't change "
+				+ "recording file while channels are enabled against the "
+				+ "current recording." );
+		}
+		
+		mConfiguration.setFilePath( file.getAbsolutePath() );
+		mResourceManager.getSettingsManager().save();
+	}
+	
+	/**
+	 * Indicates if this recording is currently playing/providing samples to
+	 * tuner channel sources
+	 */
+	public boolean hasChannels()
+	{
+		return mTunerChannels.size() > 0;
+	}
+	
+	@Override
+    public TunerChannelSource getChannel( ThreadPoolManager threadPoolManager,
+            TunerChannel channel ) throws RejectedExecutionException,
+            SourceException
+    {
+	    // TODO Auto-generated method stub
+	    return null;
+    }
+
+	@Override
+    public void releaseChannel( TunerChannelSource source )
+    {
+	    // TODO Auto-generated method stub
+    }
+	
+	public RecordingConfiguration getRecordingConfiguration()
+	{
+		return mConfiguration;
+	}
+	
+	public String toString()
+	{
+		return mConfiguration.getAlias();
+	}
+
+	@Override
+    public void frequencyChanged( long frequency, int bandwidth )
+    {
+		mConfiguration.setCenterFrequency( frequency );
+		mResourceManager.getSettingsManager().save();
+
+		mCenterFrequency = frequency;
+
+		for( TunerChannelSource channel: mTunerChannels )
+		{
+			channel.frequencyChanged( frequency, bandwidth );
+		}
+    }
+
+	@Override
+    public int compareTo( Recording other )
+    {
+	    return getRecordingConfiguration().getAlias()
+	    		.compareTo( other.getRecordingConfiguration().getAlias() );
+    }
+}

src/source/recording/RecordingConfiguration.java

@@ -0,0 +1,87 @@
+package source.recording;
+
+import java.io.File;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlTransient;
+
+public class RecordingConfiguration
+{
+	private File mRecording;
+	private String mFilePath;
+	private String mAlias;
+	private long mCenterFrequency;
+	
+	public RecordingConfiguration()
+	{
+		mAlias = "New Recording";
+	}
+	
+	public RecordingConfiguration( String filePath, 
+								   String alias,
+								   long centerFrequency )
+	{
+		mFilePath = filePath;
+		mAlias = alias;
+		mCenterFrequency = centerFrequency;
+
+		updateFile();
+	}
+	
+	private void updateFile()
+	{
+		if( mFilePath != null )
+		{
+			try
+			{
+				mRecording = new File( mFilePath );
+			}
+			catch( Exception e )
+			{
+				throw new IllegalArgumentException( "There was an error while "
+					+ "accessing the recording source [" + mFilePath + "]", e );
+			}
+		}
+	}
+
+	@XmlTransient
+	public File getRecording()
+	{
+		return mRecording;
+	}
+
+	@XmlAttribute( name = "file_path" )
+	public String getFilePath()
+	{
+		return mFilePath;
+	}
+	
+	public void setFilePath( String filePath )
+	{
+		mFilePath = filePath;
+
+		updateFile();
+	}
+	
+	@XmlAttribute( name = "alias" )
+	public String getAlias()
+	{
+		return mAlias;
+	}
+	
+	public void setAlias( String alias )
+	{
+		mAlias = alias;
+	}
+
+	@XmlAttribute( name = "center_frequency" )
+	public long getCenterFrequency()
+	{
+		return mCenterFrequency;
+	}
+	
+	public void setCenterFrequency( long frequency )
+	{
+		mCenterFrequency = frequency;
+	}
+}

src/source/recording/RecordingEditor.java

@@ -0,0 +1,120 @@
+/*******************************************************************************
+ *     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 source.recording;
+
+import gui.control.JFrequencyControl;
+
+import java.util.List;
+
+import javax.swing.DefaultComboBoxModel;
+import javax.swing.JComboBox;
+import javax.swing.JLabel;
+import javax.swing.SwingUtilities;
+
+import source.SourceEditor;
+import source.config.SourceConfigRecording;
+import source.config.SourceConfigTuner;
+import source.config.SourceConfiguration;
+import controller.ResourceManager;
+
+public class RecordingEditor extends SourceEditor
+{
+    private static final long serialVersionUID = 1L;
+    private JComboBox<Recording> mComboRecordings;
+    private JFrequencyControl mFrequencyControl;
+    
+	public RecordingEditor( ResourceManager resourceManager, 
+							SourceConfiguration config )
+	{
+		super( resourceManager, config );
+		
+		initGUI();
+	}
+
+	public void reset()
+	{
+		mFrequencyControl.setFrequency( 
+				((SourceConfigTuner)mConfig).getFrequency(), false );
+	}
+	
+	public void save()
+	{
+		SourceConfigRecording config = (SourceConfigRecording)mConfig;
+		
+		Recording selected = (Recording)mComboRecordings.getSelectedItem();
+		
+		if( selected != null )
+		{
+			config.setRecordingAlias( selected
+					.getRecordingConfiguration().getAlias() );
+		}
+		
+		config.setFrequency( mFrequencyControl.getFrequency() );
+	}
+	
+	private void initGUI()
+	{
+		add( new JLabel( "Recording" ) );
+		
+		mComboRecordings = new JComboBox<Recording>();
+
+		add( mComboRecordings, "wrap" );
+		
+		mFrequencyControl = new JFrequencyControl();
+		
+		mFrequencyControl.setFrequency( 
+				((SourceConfigRecording)mConfig).getFrequency(), false );
+		
+		add( mFrequencyControl, "span" );
+		
+		resetRecordings();
+	}
+	
+	private void resetRecordings()
+	{
+		SwingUtilities.invokeLater( new Runnable() 
+        {
+            @Override
+            public void run() 
+            {
+            	List<Recording> recordings = getResourceManager()
+            			.getRecordingSourceManager().getRecordings();
+
+        		mComboRecordings.setModel( 
+    				new DefaultComboBoxModel<Recording>( 
+					recordings.toArray( new Recording[ recordings.size()] ) ) );
+        		
+        		SourceConfigRecording config = (SourceConfigRecording)mConfig;
+
+        		String recordingAlias = config.getRecordingAlias();
+        		
+        		if( recordingAlias != null )
+        		{
+        			Recording selected = mResourceManager
+    					.getRecordingSourceManager()
+    					.getRecordingFromAlias( recordingAlias );
+
+        			if( selected != null )
+        			{
+        				mComboRecordings.setSelectedItem( selected );
+        			}
+        		}
+            }
+        });
+	}
+}

src/source/recording/RecordingEditorPanel.java

@@ -0,0 +1,131 @@
+package source.recording;
+
+import gui.control.JFrequencyControl;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.io.File;
+
+import javax.swing.JButton;
+import javax.swing.JFileChooser;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+import source.tuner.FrequencyChangeListener;
+import net.miginfocom.swing.MigLayout;
+
+public class RecordingEditorPanel extends JPanel
+{
+    private static final long serialVersionUID = 1L;
+
+    private RecordingNode mRecordingNode;
+    
+	private JTextField mRecordingAlias;
+    private JLabel mFilePathLabel;
+	
+	public RecordingEditorPanel( RecordingNode recordingNode )
+	{
+		mRecordingNode = recordingNode;
+		
+		initGUI();
+	}
+
+    private void initGUI()
+    {
+		setLayout( new MigLayout( "fill,wrap 2", "[right,grow][grow]", "[][][][][][grow]" ) );
+        
+		add( new JLabel( "I/Q Recording" ), "span,align left" );
+
+		add( new JLabel( "Alias:" ) );
+
+		mRecordingAlias = new JTextField( mRecordingNode.getRecording()
+				.getRecordingConfiguration().getAlias() );
+		
+		mRecordingAlias.addFocusListener( new FocusListener()
+		{
+			@Override
+			public void focusLost( FocusEvent arg0 )
+			{
+				String alias = mRecordingAlias.getText();
+				
+				if( alias != null )
+				{
+					mRecordingNode.getRecording().setAlias( alias );
+				}
+			}
+			
+			@Override
+			public void focusGained( FocusEvent arg0 ) {}
+		} );
+		
+		add( mRecordingAlias, "wrap" );
+		
+		JButton mFileSelectionButton = new JButton( "File ..." );
+		mFileSelectionButton.addActionListener( new ActionListener()
+		{
+			@Override
+			public void actionPerformed( ActionEvent arg0 )
+			{
+				if( mRecordingNode.getRecording().hasChannels() )
+				{
+					JOptionPane.showMessageDialog( RecordingEditorPanel.this, 
+							"This recording is currently in replay.  Please "
+							+ "disable any channels that are using this "
+							+ "recording before changing the recording file." );					
+				}
+				else
+				{
+					final JFileChooser fc = new JFileChooser();
+					
+			        int returnVal = fc.showOpenDialog( RecordingEditorPanel.this );
+
+			        if ( returnVal == JFileChooser.APPROVE_OPTION ) 
+			        {
+			            File file = fc.getSelectedFile();
+
+			            if( file != null && file.exists() )
+			            {
+			            	mRecordingNode.getRecording()
+			            		.getRecordingConfiguration()
+			            				.setFilePath( file.getAbsolutePath() );
+			            	
+			            	if( mFilePathLabel != null )
+			            	{
+			            		mFilePathLabel.setText( file.getName() );
+			            	}
+			            }
+			        } 
+				}
+			}
+		} );
+		add( mFileSelectionButton );
+
+		String filePath = mRecordingNode.getRecording()
+				.getRecordingConfiguration().getFilePath();
+		
+		if( filePath != null )
+		{
+			mFilePathLabel = new JLabel( filePath ); 
+		}
+		else
+		{
+			mFilePathLabel = new JLabel( "Please select a recording" );
+		}
+		
+		add( mFilePathLabel, "wrap" );
+
+		add( new JLabel( "Center Frequency:" ), "span,align left" );
+
+		JFrequencyControl frequencyControl = new JFrequencyControl( 
+				mRecordingNode.getRecording().getRecordingConfiguration()
+				.getCenterFrequency() );
+
+		frequencyControl.addListener( mRecordingNode.getRecording() );
+		
+		add( frequencyControl, "span,align left" );
+    }
+}

src/source/recording/RecordingGroupNode.java

@@ -0,0 +1,91 @@
+/*******************************************************************************
+ *     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 source.recording;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.List;
+
+import javax.swing.JMenuItem;
+import javax.swing.JPopupMenu;
+
+import controller.BaseNode;
+
+public class RecordingGroupNode extends BaseNode
+{
+    private static final long serialVersionUID = 1L;
+
+    public RecordingGroupNode()
+	{
+        super( null );
+	}
+    
+    public String toString()
+    {
+    	return "Recordings [" + this.getChildCount() + "]";
+    }
+
+	public JPopupMenu getContextMenu()
+	{
+		JPopupMenu menu = new JPopupMenu();
+		
+		JMenuItem addRecordingItem = new JMenuItem( "Add Recording" );
+		
+		addRecordingItem.addActionListener( new ActionListener() 
+		{
+			@Override
+            public void actionPerformed( ActionEvent e )
+            {
+				RecordingConfiguration config = new RecordingConfiguration();
+				
+				getModel().getResourceManager().getSettingsManager()
+								.addRecordingConfiguration( config );
+				
+				Recording recording = getModel().getResourceManager()
+						.getRecordingSourceManager().addRecording( config );
+				
+				RecordingNode node = new RecordingNode( recording );
+				
+				getModel().addNode( node, RecordingGroupNode.this, 0 );
+				
+				sort();
+				
+				node.show();
+            }
+		} );
+		
+		menu.add( addRecordingItem );
+		
+		return menu;
+	}
+	
+	public void loadRecordings()
+	{
+		List<Recording> recordings = getModel().getResourceManager()
+				.getRecordingSourceManager().getRecordings();
+		
+		for( Recording recording: recordings )
+		{
+			RecordingNode node = new RecordingNode( recording );
+			
+			getModel().addNode( node, this, 0 );
+		}
+		
+		sort();
+	}
+}

src/source/recording/RecordingNode.java

@@ -0,0 +1,79 @@
+package source.recording;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+
+import controller.BaseNode;
+
+public class RecordingNode extends BaseNode
+{
+    private static final long serialVersionUID = 1L;
+    
+    private JPanel mEditor;
+
+    public RecordingNode( Recording recording )
+    {
+    	super( recording );
+    }
+    
+    public Recording getRecording()
+    {
+    	return (Recording)getUserObject();
+    }
+    
+    public String toString()
+    {
+    	return getRecording().toString();
+    }
+
+    @Override
+	public JPanel getEditor()
+	{
+    	if( mEditor == null )
+    	{
+    		mEditor = new RecordingEditorPanel( this ); 
+    	}
+    	
+	    return mEditor;
+	}
+    
+	public JPopupMenu getContextMenu()
+	{
+		JPopupMenu menu = new JPopupMenu();
+		
+		JMenuItem deleteItem = new JMenuItem( "Delete" );
+		
+		deleteItem.addActionListener( new ActionListener() 
+		{
+			@Override
+            public void actionPerformed( ActionEvent e )
+            {
+				if( getRecording().hasChannels() )
+				{
+					JOptionPane.showMessageDialog( getModel().getTree(), 
+							"Can't delete recording - currently in use.  Please"
+							+ " disable any channel(s) that are using this "
+							+ "recording before deleting it",
+							"Can't delete recording", 
+							JOptionPane.ERROR_MESSAGE );
+				}
+				else
+				{
+					getModel().getResourceManager().getRecordingSourceManager()
+						.removeRecording( getRecording() );
+					
+					getModel().removeNodeFromParent( RecordingNode.this );
+				}
+            }
+		} );
+		
+		menu.add( deleteItem );
+
+		return menu;
+	}
+}

src/source/recording/RecordingSourceManager.java

@@ -0,0 +1,152 @@
+/*******************************************************************************
+ *     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 source.recording;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import log.Log;
+import settings.SettingsManager;
+import source.Source;
+import source.SourceException;
+import source.config.SourceConfigRecording;
+import source.tuner.TunerChannel;
+import source.tuner.TunerChannelSource;
+import controller.ResourceManager;
+import controller.channel.ProcessingChain;
+
+public class RecordingSourceManager
+{
+	private ResourceManager mResourceManager;
+	
+	private ArrayList<Recording> mRecordings = new ArrayList<Recording>();
+
+    public RecordingSourceManager( ResourceManager resourceManager )
+	{
+    	mResourceManager = resourceManager;
+    	
+    	loadRecordings();
+	}
+
+    /**
+     * Iterates current recordings to get a tuner channel source for the frequency
+     * specified in the channel config's source config object
+     */
+    public Source getSource( ProcessingChain processingChain ) 
+    					throws SourceException
+    {
+    	TunerChannelSource retVal = null;
+
+    	if( processingChain.getChannel().getSourceConfiguration()
+    						instanceof SourceConfigRecording )
+    	{
+        	TunerChannel tunerChannel = 
+        			processingChain.getChannel().getTunerChannel();
+
+    		SourceConfigRecording config = (SourceConfigRecording)processingChain
+    				.getChannel().getSourceConfiguration();
+
+    		Recording recording = getRecordingFromAlias( config.getRecordingAlias() );
+    		
+    		if( recording != null )
+    		{
+    			retVal = recording.getChannel( 
+    					mResourceManager.getThreadPoolManager(),
+    					tunerChannel );
+    		}
+    		else
+    		{
+    			throw new SourceException( "Recording with alias name [" + 
+					config.getRecordingAlias() + "] is not currently available" );
+    		}
+    	}
+    	
+    	return retVal;
+    }
+    
+    public Recording getRecordingFromAlias( String alias )
+    {
+    	for( Recording recording: mRecordings )
+    	{
+    		if( recording.getRecordingConfiguration()
+    				.getAlias().contentEquals( alias ) )
+    		{
+    			return recording;
+    		}
+    	}
+    	
+    	return null;
+    }
+
+    /**
+     * Get list of loaded IQ files
+     */
+    public List<Recording> getRecordings()
+    {
+    	Collections.sort( mRecordings );
+    	
+    	return mRecordings;
+    }
+    
+    public void addRecording( Recording recording )
+    {
+    	mRecordings.add( recording );
+    }
+    
+    public Recording addRecording( RecordingConfiguration config )
+    {
+    	Recording recording = new Recording( mResourceManager, config );
+
+    	mRecordings.add( recording );
+    	
+    	return recording;
+    }
+    
+    public void removeRecording( Recording recording )
+    {
+    	/* Remove the config from the settings manager */
+    	mResourceManager.getSettingsManager().removeRecordingConfiguration( 
+    			recording.getRecordingConfiguration() );
+    	
+    	mRecordings.remove( recording );
+    }
+
+    private void loadRecordings()
+    {
+    	if( mResourceManager != null )
+    	{
+    		SettingsManager settingsManager = mResourceManager.getSettingsManager();
+    		
+    		if( settingsManager != null )
+    		{
+    			ArrayList<RecordingConfiguration> recordingConfigurations = 
+    					settingsManager.getRecordingConfigurations();
+
+    			Log.info( "RecordingSourceManager - discovered [" + recordingConfigurations.size() + "] recording configurations" );
+    			
+    			for( RecordingConfiguration config: recordingConfigurations )
+    			{
+    				Recording recording = new Recording( mResourceManager, config );
+    				
+    				mRecordings.add( recording );
+    			}
+    		}
+    	}
+    }
+}

src/source/tuner/Tuner.java

@@ -31,7 +31,8 @@ import controller.ThreadPoolManager;
  * Tuner - provides tuner channel sources, representing a channel frequency
  */
 public abstract class Tuner implements FrequencyChangeBroadcaster,
-									   FrequencyChangeListener
+									   FrequencyChangeListener,
+									   TunerChannelProvider
 {
 	private String mName;
 

src/source/tuner/TunerChannelProvider.java

@@ -0,0 +1,28 @@
+package source.tuner;
+
+import java.util.concurrent.RejectedExecutionException;
+
+import source.SourceException;
+import controller.ThreadPoolManager;
+
+public interface TunerChannelProvider
+{
+	/**
+	 * Returns a tuner frequency channel source, tuned to the correct frequency
+	 * 
+	 * @param frequency - desired frequency
+	 * 
+	 * @return - source for 48k sample rate
+	 */
+	public abstract TunerChannelSource getChannel( ThreadPoolManager threadPoolManager,
+		TunerChannel channel ) throws RejectedExecutionException, SourceException;
+
+	/**
+	 * Releases the tuned channel resources
+	 * 
+	 * @param channel - previously obtained tuner channel
+	 */
+	public abstract void releaseChannel( TunerChannelSource source );
+	
+	
+}

src/source/tuner/TunerEditor.java

@@ -21,15 +21,17 @@ import gui.control.JFrequencyControl;
 import source.SourceEditor;
 import source.config.SourceConfigTuner;
 import source.config.SourceConfiguration;
+import controller.ResourceManager;
 
 public class TunerEditor extends SourceEditor
 {
     private static final long serialVersionUID = 1L;
     private JFrequencyControl mFrequencyControl;
     
-	public TunerEditor( SourceConfiguration config )
+	public TunerEditor( ResourceManager resourceManager, 
+						SourceConfiguration config )
 	{
-		super( config );
+		super( resourceManager, config );
 		
 		initGUI();
 	}

src/source/tuner/TunerManager.java

@@ -65,15 +65,15 @@ public class TunerManager
      * Iterates current tuners to get a tuner channel source for the frequency
      * specified in the channel config's source config object
      */
-    public Source getSource( ProcessingChain channel )
+    public Source getSource( ProcessingChain processingChain )
     {
     	TunerChannelSource retVal = null;
 
     	
-    	if( channel.getChannel().getSourceConfiguration()
+    	if( processingChain.getChannel().getSourceConfiguration()
     						instanceof SourceConfigTuner )
     	{
-    		TunerChannel tunerChannel = channel.getChannel().getTunerChannel();
+    		TunerChannel tunerChannel = processingChain.getChannel().getTunerChannel();
 			
 			Iterator<Tuner> it = mTuners.iterator();
 			

src/source/tuner/rtl/RTL2832TunerController.java

@@ -368,16 +368,24 @@ public abstract class RTL2832TunerController extends TunerController
 			
 			if( claim( iface ) )
 			{
+				Log.debug( "RTL2832 - usb interface claimed" );
+				
 				/* Perform a dummy write to see if the device needs reset */
 				writeRegister( device, Block.USB, Address.USB_SYSCTL.getAddress(), 0x09, 1 );
 
+				Log.debug( "RTL2832 - initializing baseband" );
+
 				/* Initialize the baseband */
 				initBaseband( device );
 
+				Log.debug( "RTL2832 - enabling I2C repeater" );
+
 				enableI2CRepeater( device, true );
 				
 				boolean controlI2CRepeater = false;
 
+				Log.debug( "RTL2832 - testing for tuner types" );
+
 				/* Test for each tuner type until we find the correct one */
 				if( isE4000Tuner( device, controlI2CRepeater ) )
 				{
@@ -404,15 +412,19 @@ public abstract class RTL2832TunerController extends TunerController
 					tunerClass =  TunerType.FITIPOWER_FC0012;
 				}
 				
+				Log.debug( "RTL2832 - disabling I2C repeater" );
+
 				enableI2CRepeater( device, false );
 
+				Log.debug( "RTL2832 - releasing USB interface" );
+
 				iface.release();
 			}
 		}
 		catch( Exception e )
 		{
 			Log.error( "RTL2832TunerController - error while determining "
-					+ "tuner type - " + e.getLocalizedMessage() );
+					+ "tuner type - ", e );
 		}
 		
 		return tunerClass;
@@ -927,6 +939,8 @@ public abstract class RTL2832TunerController extends TunerController
 	protected static boolean isE4000Tuner( UsbDevice device, 
 			boolean controlI2CRepeater ) throws UsbClaimException
 	{
+		Log.debug( "RTL2832 - testing for E4000 tuner" );
+
 		try
 		{
 			int value = readI2CRegister( device, E4K_I2C_ADDRESS, 
@@ -974,6 +988,7 @@ public abstract class RTL2832TunerController extends TunerController
 											boolean controlI2CRepeater )
 									throws UsbClaimException
 	{
+		Log.debug( "RTL2832 - testing for F0013 tuner" );
 		try
 		{
 			int value = readI2CRegister( device, FC0013_I2C_ADDRESS, 
@@ -1030,6 +1045,7 @@ public abstract class RTL2832TunerController extends TunerController
 	protected static boolean isR820TTuner( UsbDevice device, 
 			boolean controlI2CRepeater ) throws UsbClaimException
 	{
+		Log.debug( "RTL2832 - testing for R820T tuner" );
 		try
 		{
 			int value = readI2CRegister( device, R820T_I2C_ADDRESS,