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/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 );
+    			}
+    		}
+    	}
+    }
+}