Ensures that any leftover cached LDU1 message is reset when the call ends.

244 Prevent P25 Encrypted Audio Decoding/Playback

build/build.xml

@@ -7,7 +7,7 @@
   <property name="major" value="0"/>
   <property name="minor" value="3"/>
   <property name="patch" value="0"/>
-  <property name="release" value="-beta8"/>
+  <property name="release" value="-beta12"/>
   <property name="filename" value="sdrtrunk_${major}.${minor}.${patch}${release}"/>
     
   <!-- Build properties -->

src/audio/AudioChannelPanel.java

@@ -90,7 +90,8 @@ public class AudioChannelPanel extends JPanel
 
     private void init()
     {
-        setLayout(new MigLayout("align center center, insets 0 0 0 0", "[][][align right]0[grow,fill]", ""));
+        setLayout(new MigLayout("align center center, insets 0 0 0 0",
+            "[][][align right]0[grow,fill]", ""));
         setBackground(mBackgroundColor);
 
         mMutedLabel.setFont(mFont);
@@ -109,7 +110,7 @@ public class AudioChannelPanel extends JPanel
 
         mTo.setFont(mFont);
         mTo.setForeground(mValueColor);
-        add(mTo);
+        add(mTo,"wmin 10lp");
     }
 
     @Override
@@ -159,30 +160,40 @@ public class AudioChannelPanel extends JPanel
      * does not occur on the Swing event thread -- wrap any calls to this
      * method with an event thread call.
      */
-    private void updateLabel(JLabel valueLabel, String value, JLabel aliasLabel, Alias alias)
+    private void updateLabel(JLabel textLabel, String value, JLabel iconLabel, Alias alias)
     {
         if(value != null)
         {
 
             if(alias != null)
             {
-                valueLabel.setText(alias.getName());
-                aliasLabel.setIcon(mIconManager.getIcon(alias.getIconName(), 18));
+                iconLabel.setIcon(mIconManager.getIcon(alias.getIconName(), 18));
+
+                String aliasName = alias.getName();
+
+                //Truncate label if length exceeds 33 characters - hack!
+                if(aliasName.length() > 33)
+                {
+                    textLabel.setText(aliasName.substring(0,30) + "...");
+                }
+                else
+                {
+                    textLabel.setText(aliasName);
+                }
             }
             else
             {
-                valueLabel.setText(value);
-                aliasLabel.setIcon(null);
+                iconLabel.setIcon(null);
+                textLabel.setText(value);
             }
         }
         else
         {
-            valueLabel.setText("-----");
-            aliasLabel.setIcon(null);
+            iconLabel.setIcon(null);
+            textLabel.setText("-----");
         }
     }
 
-
     /**
      * Processes audio metadata to update this panel's display values
      */

src/audio/AudioChannelsPanel.java

@@ -33,8 +33,7 @@ public class AudioChannelsPanel extends JPanel
 
     public AudioChannelsPanel(IconManager iconManager, SettingsManager settingsManager, IAudioController controller)
     {
-//        setLayout(new MigLayout("insets 0 0 0 0", "[][grow,fill][][grow,fill]", "[grow,fill]"));
-        setLayout(new MigLayout("insets 0 0 0 0", "[][sg,grow,fill][][sg,grow,fill]", "[grow,fill]"));
+        setLayout(new MigLayout("insets 0 0 0 0", "[][sg abc,grow,fill][][sg abc,grow,fill]", "[grow,fill]"));
 
         setBackground(Color.BLACK);
 
@@ -44,7 +43,7 @@ public class AudioChannelsPanel extends JPanel
 
         for(int x = 0; x < outputs.size(); x++)
         {
-            add(new AudioChannelPanel(iconManager, settingsManager, outputs.get(x)), "growx");
+            add(new AudioChannelPanel(iconManager, settingsManager, outputs.get(x)));
 
             if(x < outputs.size() - 1)
             {

src/channel/traffic/TrafficChannelManager.java

@@ -63,13 +63,11 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
     private Listener<CallEvent> mCallEventListener;
 
     private ChannelModel mChannelModel;
-    private ChannelProcessingManager mChannelProcessingManager;
     private DecodeConfiguration mDecodeConfiguration;
     private RecordConfiguration mRecordConfiguration;
     private String mSystem;
     private String mSite;
     private String mAliasListName;
-    private CallEvent mPreviousDoNotMonitorCallEvent;
 
     /**
      * Monitors call events and allocates traffic decoder channels in response
@@ -77,7 +75,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
      * traffic channel allocations.
      *
      * @param channelModel containing channels currently in use
-     * @param channelProcessingManager
      * @param decodeConfiguration - decoder configuration to use for each
      * traffic channel allocation.
      * @param recordConfiguration - recording options for each traffic channel
@@ -88,7 +85,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
      * in the pool
      */
     public TrafficChannelManager(ChannelModel channelModel,
-                                 ChannelProcessingManager channelProcessingManager,
                                  DecodeConfiguration decodeConfiguration,
                                  RecordConfiguration recordConfiguration,
                                  String system,
@@ -97,7 +93,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
                                  int trafficChannelPoolSize)
     {
         mChannelModel = channelModel;
-        mChannelProcessingManager = channelProcessingManager;
         mDecodeConfiguration = decodeConfiguration;
         mRecordConfiguration = recordConfiguration;
         mSystem = system;
@@ -120,7 +115,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
 
         mCallEventListener = null;
         mDecodeConfiguration = null;
-        mPreviousDoNotMonitorCallEvent = null;
     }
 
     /**
@@ -197,21 +191,7 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
 
             long frequency = callEvent.getFrequency();
 
-			/* Check the from/to aliases for do not monitor priority */
-            if(isDoNotMonitor(callEvent))
-            {
-                callEvent.setCallEventType(CallEventType.CALL_DO_NOT_MONITOR);
-
-                if(isSameCallEvent(mPreviousDoNotMonitorCallEvent, callEvent))
-                {
-                    return;
-                }
-                else
-                {
-                    mPreviousDoNotMonitorCallEvent = callEvent;
-                }
-            }
-            else if(frequency > 0)
+            if(frequency > 0)
             {
                 Channel channel = getChannel(callEvent.getChannel(), new TunerChannel(Type.TRAFFIC,
                     frequency, mDecodeConfiguration.getDecoderType().getChannelBandwidth()));
@@ -330,31 +310,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
         return false;
     }
 
-    /**
-     * Checks for aliases that contain a do not follow/process priority.
-     *
-     * @param event
-     * @return - true if there is an alias that has a do not process alias id
-     */
-    private boolean isDoNotMonitor(CallEvent event)
-    {
-        Alias to = event.getToIDAlias();
-
-        if(to != null && to.hasCallPriority() && to.getCallPriority() == Priority.DO_NOT_MONITOR)
-        {
-            return true;
-        }
-
-        Alias from = event.getFromIDAlias();
-
-        if(from != null && from.hasCallPriority() && from.getCallPriority() == Priority.DO_NOT_MONITOR)
-        {
-            return true;
-        }
-
-        return false;
-    }
-
     @Override
     public Listener<DecoderStateEvent> getDecoderStateListener()
     {

src/module/ProcessingChain.java

@@ -320,7 +320,13 @@ public class ProcessingChain implements IChannelEventListener
 
         if(module instanceof IFrequencyChangeListener)
         {
-            mFrequencyChangeEventBroadcaster.addListener(((IFrequencyChangeListener) module).getFrequencyChangeListener());
+            Listener<FrequencyChangeEvent> frequencyChangeEventListener =
+                ((IFrequencyChangeListener)module).getFrequencyChangeListener();
+
+            if(frequencyChangeEventListener != null)
+            {
+                mFrequencyChangeEventBroadcaster.addListener(frequencyChangeEventListener);
+            }
         }
 
         if(module instanceof IMessageListener)

src/module/decode/DecoderFactory.java

@@ -222,7 +222,7 @@ public class DecoderFactory
 
                 if(channelType == ChannelType.STANDARD)
                 {
-                    modules.add(new TrafficChannelManager(channelModel, channelProcessingManager, decodeConfig,
+                    modules.add(new TrafficChannelManager(channelModel, decodeConfig,
                         channel.getRecordConfiguration(), channel.getSystem(), channel.getSite(),
                         (aliasList != null ? aliasList.getName() : null), mptConfig.getTrafficChannelPoolSize()));
                 }
@@ -263,7 +263,7 @@ public class DecoderFactory
 
                 if(channelType == ChannelType.STANDARD)
                 {
-                    modules.add(new TrafficChannelManager(channelModel, channelProcessingManager, decodeConfig,
+                    modules.add(new TrafficChannelManager(channelModel, decodeConfig,
                         channel.getRecordConfiguration(), channel.getSystem(), channel.getSite(),
                         (aliasList != null ? aliasList.getName() : null), p25Config.getTrafficChannelPoolSize()));
                 }

src/module/decode/lj1200/LJ1200DecoderState.java

@@ -54,7 +54,7 @@ public class LJ1200DecoderState extends DecoderState
         super(aliasList);
 
         mAddressAttribute = new AliasedStringAttributeMonitor(Attribute.SECONDARY_ADDRESS_TO,
-            getAttributeChangeRequestListener(), getAliasList(), AliasIDType.LOJACK);
+            getAttributeChangeRequestListener(), getAliasList(), AliasIDType.SITE);
     }
 
     @Override

src/module/decode/p25/P25DecoderState.java

@@ -315,6 +315,8 @@ public class P25DecoderState extends DecoderState
      */
     public void registerCallEvent(P25CallEvent event)
     {
+        String channel = event.getChannel();
+
         if(mChannelCallMap.containsKey(event.getChannel()))
         {
             P25CallEvent previousEvent = mChannelCallMap.remove(event.getChannel());
@@ -419,7 +421,7 @@ public class P25DecoderState extends DecoderState
                 mCurrentCallEvent = new P25CallEvent.Builder(CallEventType.CALL)
                     .aliasList(getAliasList())
                     .channel(mCurrentChannel)
-                    .details((hdu.isEncrypted() ? "ENCRYPTED " : ""))
+                    .details((hdu.isEncryptedAudio() ? "ENCRYPTED " : ""))
                     .frequency(mCurrentChannelFrequency)
                     .to(to)
                     .build();
@@ -1105,7 +1107,7 @@ public class P25DecoderState extends DecoderState
                                 broadcast(new P25CallEvent.Builder(CallEventType.CALL_DETECT)
                                     .aliasList(getAliasList())
                                     .channel(gvcu.getChannelA())
-                                    .details((gvcu.isEncrypted() ? "ENCRYPTED" : ""))
+                                    .details((gvcu.isEncryptedLinkControlWord() ? "ENCRYPTED" : ""))
                                     .frequency(gvcu.getDownlinkFrequencyA())
                                     .to(userA)
                                     .build());
@@ -1120,7 +1122,7 @@ public class P25DecoderState extends DecoderState
                                 broadcast(new P25CallEvent.Builder(CallEventType.CALL_DETECT)
                                     .aliasList(getAliasList())
                                     .channel(gvcu.getChannelB())
-                                    .details((gvcu.isEncrypted() ? "ENCRYPTED" : ""))
+                                    .details((gvcu.isEncryptedLinkControlWord() ? "ENCRYPTED" : ""))
                                     .frequency(gvcu.getDownlinkFrequencyB())
                                     .to(userB)
                                     .build());
@@ -1149,7 +1151,7 @@ public class P25DecoderState extends DecoderState
                                 broadcast(new P25CallEvent.Builder(CallEventType.CALL_DETECT)
                                     .aliasList(getAliasList())
                                     .channel(gvcue.getTransmitChannel())
-                                    .details((gvcue.isEncrypted() ? "ENCRYPTED" : ""))
+                                    .details((gvcue.isEncryptedLinkControlWord() ? "ENCRYPTED" : ""))
                                     .frequency(gvcue.getDownlinkFrequency())
                                     .to(group)
                                     .build());
@@ -1185,7 +1187,7 @@ public class P25DecoderState extends DecoderState
                             if(mCurrentCallEvent.getDetails() == null)
                             {
                                 mCurrentCallEvent.setDetails(
-                                    (gvcuser.isEncrypted() ? "ENCRYPTED " : "") +
+                                    (gvcuser.isEncryptedLinkControlWord() ? "ENCRYPTED " : "") +
                                         (gvcuser.isEmergency() ? "EMERGENCY " : ""));
 
                                 broadcast(mCurrentCallEvent);
@@ -1397,7 +1399,7 @@ public class P25DecoderState extends DecoderState
                         if(mCurrentCallEvent.getDetails() == null)
                         {
                             mCurrentCallEvent.setDetails(
-                                (tivcu.isEncrypted() ? "ENCRYPTED " : "") +
+                                (tivcu.isEncryptedLinkControlWord() ? "ENCRYPTED " : "") +
                                     (tivcu.isEmergency() ? "EMERGENCY " : ""));
 
                             broadcast(mCurrentCallEvent);
@@ -1480,7 +1482,7 @@ public class P25DecoderState extends DecoderState
                         if(mCurrentCallEvent.getDetails() == null)
                         {
                             mCurrentCallEvent.setDetails(
-                                (uuvcu.isEncrypted() ? "ENCRYPTED " : "") +
+                                (uuvcu.isEncryptedLinkControlWord() ? "ENCRYPTED " : "") +
                                     (uuvcu.isEmergency() ? "EMERGENCY " : ""));
 
                             broadcast(mCurrentCallEvent);
@@ -1557,6 +1559,7 @@ public class P25DecoderState extends DecoderState
                     break;
                 case IDENTIFIER_UPDATE_NON_VUHF:
                 case IDENTIFIER_UPDATE_VHF_UHF_BANDS:
+                case IDENTIFIER_UPDATE_TDMA:
                     IdentifierUpdate iu = (IdentifierUpdate)tsbk;
 
                     if(!mBands.containsKey(iu.getIdentifier()))
@@ -2735,6 +2738,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(pgvcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(pgvcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(pgvcg.getPriority());
                     details.append(pgvcg.isEncryptedChannel() ? " ENCRYPTED" : "");
@@ -2742,7 +2746,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.PATCH_GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (pgvcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(pgvcg.getDownlinkFrequency())
                         .from(from)
@@ -2775,8 +2779,9 @@ public class P25DecoderState extends DecoderState
                 {
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.PATCH_GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gvcgu.isTDMAChannel1() ? " TDMA" : ""))
-                        .details((gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
+                        .channel(channel)
+                        .details((gvcgu.isTDMAChannel1() ? "TDMA " : "") +
+                            (gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
                         .frequency(gvcgu.getDownlinkFrequency1())
                         .to(to)
                         .build();
@@ -2801,8 +2806,9 @@ public class P25DecoderState extends DecoderState
                 {
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.PATCH_GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel2 + (gvcgu.isTDMAChannel2() ? " TDMA" : ""))
-                        .details((gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
+                        .channel(channel2)
+                        .details((gvcgu.isTDMAChannel2() ? "TDMA " : "") +
+                                (gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
                         .frequency(gvcgu.getDownlinkFrequency2())
                         .to(to2)
                         .build();
@@ -2866,6 +2872,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gdcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(gdcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gdcg.getPriority()).append(" ");
                     details.append(gdcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2873,7 +2880,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.DATA_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gdcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(gdcg.getDownlinkFrequency())
                         .from(from)
@@ -2904,6 +2911,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gvcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(gvcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gvcg.getPriority()).append(" ");
                     details.append(gvcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2911,7 +2919,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gvcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(gvcg.getDownlinkFrequency())
                         .from(from)
@@ -2928,8 +2936,7 @@ public class P25DecoderState extends DecoderState
                 }
                 break;
             case GROUP_VOICE_CHANNEL_GRANT_UPDATE:
-                GroupVoiceChannelGrantUpdate gvcgu =
-                    (GroupVoiceChannelGrantUpdate)message;
+                GroupVoiceChannelGrantUpdate gvcgu = (GroupVoiceChannelGrantUpdate)message;
 
                 channel = gvcgu.getChannel1();
                 from = null;
@@ -2942,6 +2949,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gvcgu.isTDMAChannel() ? "TDMA " : "");
                     details.append(gvcgu.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gvcgu.getPriority()).append(" ");
                     details.append(gvcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2949,7 +2957,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(gvcgu.getChannel1() + (gvcgu.isTDMAChannel1() ? " TDMA" : ""))
+                        .channel(gvcgu.getChannel1())
                         .details(details.toString())
                         .frequency(gvcgu.getDownlinkFrequency1())
                         .from(from)
@@ -2977,6 +2985,7 @@ public class P25DecoderState extends DecoderState
                     else
                     {
                         StringBuilder details = new StringBuilder();
+                        details.append(gvcgu.isTDMAChannel() ? "TDMA " : "");
                         details.append(gvcgu.isEmergency() ? "EMERGENCY " : "");
                         details.append("PRI:").append(gvcgu.getPriority()).append(" ");
                         details.append(gvcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2984,7 +2993,7 @@ public class P25DecoderState extends DecoderState
 
                         P25CallEvent event2 = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                             .aliasList(getAliasList())
-                            .channel(gvcgu.getChannel2() + (gvcgu.isTDMAChannel2() ? " TDMA" : ""))
+                            .channel(gvcgu.getChannel2())
                             .details(details.toString())
                             .frequency(gvcgu.getDownlinkFrequency2())
                             .to(gvcgu.getGroupAddress2())
@@ -3016,6 +3025,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gvcgue.isTDMAChannel() ? "TDMA " : "");
                     details.append(gvcgue.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gvcgue.getPriority()).append(" ");
                     details.append(gvcgue.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3023,7 +3033,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gvcgue.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(gvcgue.getDownlinkFrequency())
                         .from(from)
@@ -3053,6 +3063,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(idcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(idcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(idcg.getPriority()).append(" ");
                     details.append(idcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3060,7 +3071,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.DATA_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (idcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(idcg.getDownlinkFrequency())
                         .from(from)
@@ -3090,13 +3101,14 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(sdcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(sdcg.isEmergency() ? "EMERGENCY " : "");
                     details.append(sdcg.isEncryptedChannel() ? "ENCRYPTED " : "");
                     details.append(sdcg.getSessionMode().name());
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.DATA_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (sdcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(sdcg.getDownlinkFrequency())
                         .from(from)
@@ -3128,6 +3140,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(tivcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(tivcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(tivcg.getPriority()).append(" ");
                     details.append(tivcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3137,7 +3150,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.TELEPHONE_INTERCONNECT)
                         .aliasList(getAliasList())
-                        .channel(channel + (tivcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(tivcg.getDownlinkFrequency())
                         .from(from)
@@ -3170,6 +3183,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(tivcgu.isTDMAChannel() ? "TDMA " : "");
                     details.append(tivcgu.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(tivcgu.getPriority()).append(" ");
                     details.append(tivcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3179,7 +3193,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.TELEPHONE_INTERCONNECT)
                         .aliasList(getAliasList())
-                        .channel(channel + (tivcgu.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(tivcgu.getDownlinkFrequency())
                         .from(from)
@@ -3209,6 +3223,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(uuvcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(uuvcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(uuvcg.getPriority()).append(" ");
                     details.append(uuvcg.isEncryptedChannel() ? " ENCRYPTED " : "");
@@ -3217,7 +3232,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.UNIT_TO_UNIT_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (uuvcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(uuvcg.getDownlinkFrequency())
                         .from(from)
@@ -3247,6 +3262,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(uuvcgu.isTDMAChannel() ? "TDMA " : "");
                     details.append(uuvcgu.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(uuvcgu.getPriority()).append(" ");
                     details.append(uuvcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3255,7 +3271,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.UNIT_TO_UNIT_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (uuvcgu.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(uuvcgu.getDownlinkFrequency())
                         .from(from)

src/module/decode/p25/audio/P25AudioModule.java

@@ -12,6 +12,9 @@ import jmbe.iface.AudioConverter;
 import message.IMessageListener;
 import message.Message;
 import module.Module;
+import module.decode.p25.message.hdu.HDUMessage;
+import module.decode.p25.message.ldu.LDU1Message;
+import module.decode.p25.message.ldu.LDU2Message;
 import module.decode.p25.message.ldu.LDUMessage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -25,14 +28,18 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
     private final static Logger mLog = LoggerFactory.getLogger(P25AudioModule.class);
 
     private static final String IMBE_CODEC = "IMBE";
-
     private static boolean mLibraryLoadStatusLogged = false;
+
     private boolean mCanConvertAudio = false;
+    private boolean mEncryptedCall = false;
+    private boolean mEncryptedCallStateEstablished = false;
+
     private AudioConverter mAudioConverter;
     private Listener<AudioPacket> mAudioPacketListener;
     private SquelchStateListener mSquelchStateListener = new SquelchStateListener();
     private NonClippingGain mGain = new NonClippingGain(5.0f, 0.95f);
     private Metadata mMetadata;
+    private LDU1Message mCachedLDU1Message = null;
 
     public P25AudioModule(Metadata metadata)
     {
@@ -76,32 +83,73 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
     }
 
     /**
-     * Primary processing method for p25 imbe audio frame messages.  Each LDU
-     * audio message contains 9 imbe voice frames.  Each frame is converted to
-     * audio when the JMBE library is loaded, processed by auto-gain, and
-     * broadcast to the audio packet listener.
+     * Processes call header (HDU) and voice frame (LDU1/LDU2) messages to decode audio and to determine the
+     * encrypted audio status of a call event. Only the HDU and LDU2 messages convey encrypted call status. If an
+     * LDU1 message is received without a preceding HDU message, then the LDU1 message is cached until the first
+     * LDU2 message is received and the encryption state can be determined. Both the LDU1 and the LDU2 message are
+     * then processed for audio if the call is unencrypted.
      */
     public void receive(Message message)
     {
-        if (mCanConvertAudio && mAudioPacketListener != null)
+        if(mCanConvertAudio && mAudioPacketListener != null)
         {
-            if (message instanceof LDUMessage)
+            if(mEncryptedCallStateEstablished)
             {
-                LDUMessage ldu = (LDUMessage) message;
-
-				/* Only process unencrypted audio frames */
-                if (!(ldu.isValid() && ldu.isEncrypted()))
+                if(message instanceof LDUMessage)
                 {
-                    for (byte[] frame : ldu.getIMBEFrames())
-                    {
-                        float[] audio = mAudioConverter.decode(frame);
-
-                        audio = mGain.apply(audio);
-
-                        mAudioPacketListener.receive(new AudioPacket(audio, mMetadata.copyOf()));
-                    }
+                    processAudio((LDUMessage)message);
                 }
             }
+            else
+            {
+                if(message instanceof HDUMessage)
+                {
+                    mEncryptedCallStateEstablished = true;
+                    mEncryptedCall = ((HDUMessage)message).isEncryptedAudio();
+                }
+                else if(message instanceof LDU1Message)
+                {
+                    //When we receive an LDU1 message with first receiving the HDU message, cache the LDU1 Message
+                    //until we can determine the encrypted call state from the next LDU2 message
+                    mCachedLDU1Message = (LDU1Message)message;
+                }
+                else if(message instanceof LDU2Message)
+                {
+                    mEncryptedCallStateEstablished = true;
+                    LDU2Message ldu2 = (LDU2Message)message;
+                    mEncryptedCall = ldu2.isEncryptedAudio();
+
+                    if(mCachedLDU1Message != null)
+                    {
+                        processAudio(mCachedLDU1Message);
+                        mCachedLDU1Message = null;
+                    }
+
+                    processAudio(ldu2);
+                }
+            }
+        }
+    }
+
+    /**
+     * Processes an audio packet by decoding the IMBE audio frames and rebroadcasting them as PCM audio packets.
+     */
+    private void processAudio(LDUMessage ldu)
+    {
+        if(!mEncryptedCall)
+        {
+            for(byte[] frame : ldu.getIMBEFrames())
+            {
+                float[] audio = mAudioConverter.decode(frame);
+
+                audio = mGain.apply(audio);
+
+                mAudioPacketListener.receive(new AudioPacket(audio, mMetadata.copyOf()));
+            }
+        }
+        else
+        {
+            //Encrypted audio processing not implemented
         }
     }
 
@@ -119,18 +167,18 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
             @SuppressWarnings("rawtypes")
             Class temp = Class.forName("jmbe.JMBEAudioLibrary");
 
-            library = (AudioConversionLibrary) temp.newInstance();
+            library = (AudioConversionLibrary)temp.newInstance();
 
-            if ((library.getMajorVersion() == 0 && library.getMinorVersion() >= 3 &&
-                    library.getBuildVersion() >= 3) || library.getMajorVersion() >= 1)
+            if((library.getMajorVersion() == 0 && library.getMinorVersion() >= 3 &&
+                library.getBuildVersion() >= 3) || library.getMajorVersion() >= 1)
             {
                 mAudioConverter = library.getAudioConverter(IMBE_CODEC, AudioFormats.PCM_SIGNED_8KHZ_16BITS_MONO);
 
-                if (mAudioConverter != null)
+                if(mAudioConverter != null)
                 {
                     mCanConvertAudio = true;
 
-                    if (!mLibraryLoadStatusLogged)
+                    if(!mLibraryLoadStatusLogged)
                     {
                         StringBuilder sb = new StringBuilder();
                         sb.append("JMBE audio conversion library [");
@@ -144,7 +192,7 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
                 }
                 else
                 {
-                    if (!mLibraryLoadStatusLogged)
+                    if(!mLibraryLoadStatusLogged)
                     {
                         mLog.info("JMBE audio conversion library NOT FOUND");
                         mLibraryLoadStatusLogged = true;
@@ -156,28 +204,28 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
                 mLog.warn("JMBE library version 0.3.3 or higher is required - found: " + library.getVersion());
             }
         }
-        catch (ClassNotFoundException e1)
+        catch(ClassNotFoundException e1)
         {
-            if (!mLibraryLoadStatusLogged)
+            if(!mLibraryLoadStatusLogged)
             {
                 mLog.error("Couldn't find/load JMBE audio conversion library");
                 mLibraryLoadStatusLogged = true;
             }
         }
-        catch (InstantiationException e1)
+        catch(InstantiationException e1)
         {
-            if (!mLibraryLoadStatusLogged)
+            if(!mLibraryLoadStatusLogged)
             {
                 mLog.error("Couldn't instantiate JMBE audio conversion library class");
                 mLibraryLoadStatusLogged = true;
             }
         }
-        catch (IllegalAccessException e1)
+        catch(IllegalAccessException e1)
         {
-            if (!mLibraryLoadStatusLogged)
+            if(!mLibraryLoadStatusLogged)
             {
                 mLog.error("Couldn't load JMBE audio conversion library due to "
-                        + "security restrictions");
+                    + "security restrictions");
                 mLibraryLoadStatusLogged = true;
             }
         }
@@ -196,19 +244,25 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
     }
 
     /**
-     * Wrapper for squelch state listener.  Internally, the P25 audio module
-     * doesn't have a squelch state.  If there are IMBE audio frames, we have
-     * audio.  We use this listener to signal to the recorder manager that the
-     * channel state is resetting and it should end the recording.
+     * Wrapper for squelch state to process end of call actions.  At call end the encrypted call state established
+     * flag is reset so that the encrypted audio state for the next call can be properly detected and we send an
+     * END audio packet so that downstream processors like the audio recorder can properly close out a call sequence.
      */
     public class SquelchStateListener implements Listener<SquelchState>
     {
         @Override
         public void receive(SquelchState state)
         {
-            if (state == SquelchState.SQUELCH && mAudioPacketListener != null)
+            if(state == SquelchState.SQUELCH)
             {
-                mAudioPacketListener.receive(new AudioPacket(AudioPacket.Type.END, mMetadata.copyOf()));
+                if(mAudioPacketListener != null)
+                {
+                    mAudioPacketListener.receive(new AudioPacket(AudioPacket.Type.END, mMetadata.copyOf()));
+                }
+
+                mEncryptedCallStateEstablished = false;
+                mEncryptedCall = false;
+                mCachedLDU1Message = null;
             }
         }
     }

src/module/decode/p25/message/hdu/HDUMessage.java

@@ -245,7 +245,7 @@ public class HDUMessage extends P25Message
 		return Encryption.fromValue( mMessage.getInt( ALGORITHM_ID ) );
 	}
 	
-	public boolean isEncrypted()
+	public boolean isEncryptedAudio()
 	{
 		return getEncryption() != Encryption.UNENCRYPTED;
 	}

src/module/decode/p25/message/ldu/LDU1Message.java

@@ -1,244 +1,246 @@
 package module.decode.p25.message.ldu;
 
-import module.decode.p25.reference.DataUnitID;
-import module.decode.p25.reference.LinkControlOpcode;
-import module.decode.p25.reference.Vendor;
-import module.decode.p25.reference.VendorLinkControlOpcode;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import alias.AliasList;
 import bits.BinaryMessage;
 import edac.CRC;
 import edac.Hamming10;
 import edac.ReedSolomon_63_47_17;
+import module.decode.p25.reference.DataUnitID;
+import module.decode.p25.reference.LinkControlOpcode;
+import module.decode.p25.reference.Vendor;
+import module.decode.p25.reference.VendorLinkControlOpcode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class LDU1Message extends LDUMessage
 {
-	private final static Logger mLog = LoggerFactory.getLogger( LDU1Message.class );
-	
-	public static final int ENCRYPTION_FLAG = 352;
-	public static final int IMPLICIT_VENDOR_FLAG = 353;
-	public static final int[] OPCODE = { 354,355,356,357,362,363 };
-	public static final int[] VENDOR = { 364,365,366,367,372,373,374,375 };
-	
-	public static final int[] GOLAY_WORD_STARTS = { 
-		352,362,372,382,536,546,556,566,720,730,740,750,904,914,924,934,1088,
-		1098,1108,1118,1272,1282,1292,1302 };
+    private final static Logger mLog = LoggerFactory.getLogger(LDU1Message.class);
 
-	public static final int[] CW_HEX_0 = { 352,353,354,355,356,357 };
-	public static final int[] CW_HEX_1 = { 362,363,364,365,366,367 };
-	public static final int[] CW_HEX_2 = { 372,373,374,375,376,377 };
-	public static final int[] CW_HEX_3 = { 382,383,384,385,386,387 };
-	public static final int[] CW_HEX_4 = { 536,537,538,539,540,541 };
-	public static final int[] CW_HEX_5 = { 546,547,548,549,550,551 };
-	public static final int[] CW_HEX_6 = { 556,557,558,559,560,561 };
-	public static final int[] CW_HEX_7 = { 566,567,568,569,570,571 };
-	public static final int[] CW_HEX_8 = { 720,721,722,723,724,725 };
-	public static final int[] CW_HEX_9 = { 730,731,732,733,734,735 };
-	public static final int[] CW_HEX_10 = { 740,741,742,743,744,745 };
-	public static final int[] CW_HEX_11 = { 750,751,752,753,754,755 };
-	public static final int[] RS_HEX_0 = { 904,905,906,907,908,909 };
-	public static final int[] RS_HEX_1 = { 914,915,916,917,918,919 };
-	public static final int[] RS_HEX_2 = { 924,925,926,927,928,929 };
-	public static final int[] RS_HEX_3 = { 934,935,936,937,938,939 };
-	public static final int[] RS_HEX_4 = { 1088,1089,1090,1091,1092,1093 };
-	public static final int[] RS_HEX_5 = { 1098,1099,1100,1101,1102,1103 };
-	public static final int[] RS_HEX_6 = { 1108,1109,1110,1111,1112,1113 };
-	public static final int[] RS_HEX_7 = { 1118,1119,1120,1121,1122,1123 };
-	public static final int[] RS_HEX_8 = { 1272,1273,1274,1275,1276,1277 };
-	public static final int[] RS_HEX_9 = { 1282,1283,1284,1285,1286,1287 };
-	public static final int[] RS_HEX_10 = { 1292,1293,1294,1295,1296,1297 };
-	public static final int[] RS_HEX_11 = { 1302,1303,1304,1305,1306,1307 };
+    public static final int ENCRYPTED_LINK_CONTROL_WORD_FLAG = 352;
+    public static final int IMPLICIT_VENDOR_FLAG = 353;
+    public static final int[] OPCODE = {354, 355, 356, 357, 362, 363};
+    public static final int[] VENDOR = {364, 365, 366, 367, 372, 373, 374, 375};
 
-	/* Reed-Solomon(24,12,13) code protects the link control word.  Maximum
-	 * correctable errors are: Hamming Distance(13) / 2 = 6  */
-	public static final ReedSolomon_63_47_17 mReedSolomonDecoder = 
-			new ReedSolomon_63_47_17( 6 );
+    public static final int[] GOLAY_WORD_STARTS = {
+        352, 362, 372, 382, 536, 546, 556, 566, 720, 730, 740, 750, 904, 914, 924, 934, 1088,
+        1098, 1108, 1118, 1272, 1282, 1292, 1302};
 
-	public LDU1Message( BinaryMessage message, DataUnitID duid,
-            AliasList aliasList )
+    public static final int[] CW_HEX_0 = {352, 353, 354, 355, 356, 357};
+    public static final int[] CW_HEX_1 = {362, 363, 364, 365, 366, 367};
+    public static final int[] CW_HEX_2 = {372, 373, 374, 375, 376, 377};
+    public static final int[] CW_HEX_3 = {382, 383, 384, 385, 386, 387};
+    public static final int[] CW_HEX_4 = {536, 537, 538, 539, 540, 541};
+    public static final int[] CW_HEX_5 = {546, 547, 548, 549, 550, 551};
+    public static final int[] CW_HEX_6 = {556, 557, 558, 559, 560, 561};
+    public static final int[] CW_HEX_7 = {566, 567, 568, 569, 570, 571};
+    public static final int[] CW_HEX_8 = {720, 721, 722, 723, 724, 725};
+    public static final int[] CW_HEX_9 = {730, 731, 732, 733, 734, 735};
+    public static final int[] CW_HEX_10 = {740, 741, 742, 743, 744, 745};
+    public static final int[] CW_HEX_11 = {750, 751, 752, 753, 754, 755};
+    public static final int[] RS_HEX_0 = {904, 905, 906, 907, 908, 909};
+    public static final int[] RS_HEX_1 = {914, 915, 916, 917, 918, 919};
+    public static final int[] RS_HEX_2 = {924, 925, 926, 927, 928, 929};
+    public static final int[] RS_HEX_3 = {934, 935, 936, 937, 938, 939};
+    public static final int[] RS_HEX_4 = {1088, 1089, 1090, 1091, 1092, 1093};
+    public static final int[] RS_HEX_5 = {1098, 1099, 1100, 1101, 1102, 1103};
+    public static final int[] RS_HEX_6 = {1108, 1109, 1110, 1111, 1112, 1113};
+    public static final int[] RS_HEX_7 = {1118, 1119, 1120, 1121, 1122, 1123};
+    public static final int[] RS_HEX_8 = {1272, 1273, 1274, 1275, 1276, 1277};
+    public static final int[] RS_HEX_9 = {1282, 1283, 1284, 1285, 1286, 1287};
+    public static final int[] RS_HEX_10 = {1292, 1293, 1294, 1295, 1296, 1297};
+    public static final int[] RS_HEX_11 = {1302, 1303, 1304, 1305, 1306, 1307};
+
+    /* Reed-Solomon(24,12,13) code protects the link control word.  Maximum
+     * correctable errors are: Hamming Distance(13) / 2 = 6  */
+    public static final ReedSolomon_63_47_17 mReedSolomonDecoder =
+        new ReedSolomon_63_47_17(6);
+
+    public LDU1Message(BinaryMessage message, DataUnitID duid,
+                       AliasList aliasList)
     {
-	    super( message, duid, aliasList );
+        super(message, duid, aliasList);
 
 	    
 	    /* NID CRC is checked in the message framer, thus a constructed message
-	     * means it passed the CRC */
-	    mCRC = new CRC[ 3 ];
-	    mCRC[ 0 ] = CRC.PASSED;
-	    
-	    checkCRC();
-    }
-	
-	/**
-	 * Subclass constructor from an existing LDU1Message
-	 */
-	protected LDU1Message( LDU1Message message )
-	{
-		super( message.getSourceMessage(), DataUnitID.LDU1, message.getAliasList() );
-		
-		mCRC = message.mCRC;
-	}
+         * means it passed the CRC */
+        mCRC = new CRC[3];
+        mCRC[0] = CRC.PASSED;
 
-	@Override
-	public boolean isEncrypted()
-	{
-		return mMessage.get( ENCRYPTION_FLAG );
-	}
-	
-	private void checkCRC()
-	{
-    	mCRC[ 1 ] = CRC.PASSED;
+        checkCRC();
+    }
+
+    /**
+     * Subclass constructor from an existing LDU1Message
+     */
+    protected LDU1Message(LDU1Message message)
+    {
+        super(message.getSourceMessage(), DataUnitID.LDU1, message.getAliasList());
+
+        mCRC = message.mCRC;
+    }
+
+    /**
+     * Indicates if the contents of the Link Control Word are encrypted.
+     *
+     * @return true if the contents of the LCW are encrypted.
+     */
+    public boolean isEncryptedLinkControlWord()
+    {
+        return mMessage.get(ENCRYPTED_LINK_CONTROL_WORD_FLAG);
+    }
+
+    private void checkCRC()
+    {
+        mCRC[1] = CRC.PASSED;
 
     	/* Hamming( 10,6,3 ) error detection and correction */
-		for( int index: GOLAY_WORD_STARTS )
-		{
-			int errors = Hamming10.checkAndCorrect( mMessage, index );
-			
-			if( errors > 1 )
-			{
-				mCRC[ 1 ] = CRC.FAILED_CRC;
-			}
-		}
+        for(int index : GOLAY_WORD_STARTS)
+        {
+            int errors = Hamming10.checkAndCorrect(mMessage, index);
+
+            if(errors > 1)
+            {
+                mCRC[1] = CRC.FAILED_CRC;
+            }
+        }
 
 		/* Reed-Solomon( 24,16,9 ) error detection and correction
 		 * Check the Reed-Solomon parity bits. The RS decoder expects the code 
 		 * words and reed solomon parity hex codewords in reverse order.  
 		 * 
 		 * Since this is a truncated RS(63) codes, we pad the code with zeros */
-        int[] input = new int [63];
-        int[] output = new int [63];
-        
-        input[  0 ] = mMessage.getInt( RS_HEX_11 );
-        input[  1 ] = mMessage.getInt( RS_HEX_10 );
-        input[  2 ] = mMessage.getInt( RS_HEX_9 );
-        input[  3 ] = mMessage.getInt( RS_HEX_8 );
-        input[  4 ] = mMessage.getInt( RS_HEX_7 );
-        input[  5 ] = mMessage.getInt( RS_HEX_6 );
-        input[  6 ] = mMessage.getInt( RS_HEX_5 );
-        input[  7 ] = mMessage.getInt( RS_HEX_4 );
-        input[  8 ] = mMessage.getInt( RS_HEX_3 );
-        input[  9 ] = mMessage.getInt( RS_HEX_2 );
-        input[ 10 ] = mMessage.getInt( RS_HEX_1 );
-        input[ 11 ] = mMessage.getInt( RS_HEX_0 );
-        
-        input[ 12 ] = mMessage.getInt( CW_HEX_11 );
-        input[ 13 ] = mMessage.getInt( CW_HEX_10 );
-        input[ 14 ] = mMessage.getInt( CW_HEX_9 );
-        input[ 15 ] = mMessage.getInt( CW_HEX_8 );
-        input[ 16 ] = mMessage.getInt( CW_HEX_7 );
-        input[ 17 ] = mMessage.getInt( CW_HEX_6 );
-        input[ 18 ] = mMessage.getInt( CW_HEX_5 );
-        input[ 19 ] = mMessage.getInt( CW_HEX_4 );
-        input[ 20 ] = mMessage.getInt( CW_HEX_3 );
-        input[ 21 ] = mMessage.getInt( CW_HEX_2 );
-        input[ 22 ] = mMessage.getInt( CW_HEX_1 );
-        input[ 23 ] = mMessage.getInt( CW_HEX_0 );
+        int[] input = new int[63];
+        int[] output = new int[63];
+
+        input[0] = mMessage.getInt(RS_HEX_11);
+        input[1] = mMessage.getInt(RS_HEX_10);
+        input[2] = mMessage.getInt(RS_HEX_9);
+        input[3] = mMessage.getInt(RS_HEX_8);
+        input[4] = mMessage.getInt(RS_HEX_7);
+        input[5] = mMessage.getInt(RS_HEX_6);
+        input[6] = mMessage.getInt(RS_HEX_5);
+        input[7] = mMessage.getInt(RS_HEX_4);
+        input[8] = mMessage.getInt(RS_HEX_3);
+        input[9] = mMessage.getInt(RS_HEX_2);
+        input[10] = mMessage.getInt(RS_HEX_1);
+        input[11] = mMessage.getInt(RS_HEX_0);
+
+        input[12] = mMessage.getInt(CW_HEX_11);
+        input[13] = mMessage.getInt(CW_HEX_10);
+        input[14] = mMessage.getInt(CW_HEX_9);
+        input[15] = mMessage.getInt(CW_HEX_8);
+        input[16] = mMessage.getInt(CW_HEX_7);
+        input[17] = mMessage.getInt(CW_HEX_6);
+        input[18] = mMessage.getInt(CW_HEX_5);
+        input[19] = mMessage.getInt(CW_HEX_4);
+        input[20] = mMessage.getInt(CW_HEX_3);
+        input[21] = mMessage.getInt(CW_HEX_2);
+        input[22] = mMessage.getInt(CW_HEX_1);
+        input[23] = mMessage.getInt(CW_HEX_0);
         /* indexes 24 - 62 are defaulted to zero */
 
-        boolean irrecoverableErrors = mReedSolomonDecoder.decode( input, output );
+        boolean irrecoverableErrors = mReedSolomonDecoder.decode(input, output);
 
-        if( irrecoverableErrors )
+        if(irrecoverableErrors)
         {
-        	mCRC[ 2 ] = CRC.FAILED_CRC;
+            mCRC[2] = CRC.FAILED_CRC;
         }
         else
         {
         	/* Since we've detected that we can correct the RS words, mark the
         	 * hamming crc as corrected as well, if it is currently failed */
-        	if( mCRC[ 1 ] == CRC.FAILED_CRC )
-        	{
-				mCRC[ 1 ] = CRC.CORRECTED;
-        	}
-        	
-        	mCRC[ 2 ] = CRC.PASSED;
+            if(mCRC[1] == CRC.FAILED_CRC)
+            {
+                mCRC[1] = CRC.CORRECTED;
+            }
+
+            mCRC[2] = CRC.PASSED;
         	
         	/* Only fix the codeword data hex codewords */
-        	repairHexCodeword( input, output, 12, CW_HEX_11 );
-        	repairHexCodeword( input, output, 13, CW_HEX_10 );
-        	repairHexCodeword( input, output, 14, CW_HEX_9 );
-        	repairHexCodeword( input, output, 15, CW_HEX_8 );
-        	repairHexCodeword( input, output, 16, CW_HEX_7 );
-        	repairHexCodeword( input, output, 17, CW_HEX_6 );
-        	repairHexCodeword( input, output, 18, CW_HEX_5 );
-        	repairHexCodeword( input, output, 19, CW_HEX_4 );
-        	repairHexCodeword( input, output, 20, CW_HEX_3 );
-        	repairHexCodeword( input, output, 21, CW_HEX_2 );
-        	repairHexCodeword( input, output, 22, CW_HEX_1 );
-        	repairHexCodeword( input, output, 23, CW_HEX_0 );
+            repairHexCodeword(input, output, 12, CW_HEX_11);
+            repairHexCodeword(input, output, 13, CW_HEX_10);
+            repairHexCodeword(input, output, 14, CW_HEX_9);
+            repairHexCodeword(input, output, 15, CW_HEX_8);
+            repairHexCodeword(input, output, 16, CW_HEX_7);
+            repairHexCodeword(input, output, 17, CW_HEX_6);
+            repairHexCodeword(input, output, 18, CW_HEX_5);
+            repairHexCodeword(input, output, 19, CW_HEX_4);
+            repairHexCodeword(input, output, 20, CW_HEX_3);
+            repairHexCodeword(input, output, 21, CW_HEX_2);
+            repairHexCodeword(input, output, 22, CW_HEX_1);
+            repairHexCodeword(input, output, 23, CW_HEX_0);
         }
-	}
-	
-	private void repairHexCodeword( int[] input, int[] output, int index, int[] indexSet )
-	{
-		if( input[ index ] != output[ index ] )
-		{
-			mMessage.load( indexSet[ 0 ], 6, output[ index ] );
-			mCRC[ 2 ] = CRC.CORRECTED;
-		}
-	}
-	
-	@Override
-	public String getMessage()
-	{
-		StringBuilder sb = new StringBuilder();
-		
-		sb.append( getMessageStub() );
-		sb.append( " " );
-		sb.append( mMessage.toString() );
-		
-		return sb.toString();
-	}
-	
-    public String getMessageStub()
-    {
-		StringBuilder sb = new StringBuilder();
-
-		sb.append( super.getMessageStub() );
-		
-		if( isEncrypted() )
-		{
-			sb.append( "ENCRYPTED" );
-		}
-		else
-		{
-			if( isImplicitFormat() || getVendor() == Vendor.STANDARD )
-			{
-				sb.append( getOpcode().getLabel() );
-			}
-			else
-			{
-				sb.append( "VENDOR:" + getVendor().getLabel() + " " );
-				sb.append( getVendorOpcode().getLabel() );
-			}
-		}
-
-	    return sb.toString();
     }
 
-	public boolean isImplicitFormat()
-	{
-		return mMessage.get( IMPLICIT_VENDOR_FLAG );
-	}
-	
-	public LinkControlOpcode getOpcode()
-	{
-		return LinkControlOpcode.fromValue( mMessage.getInt( OPCODE ) );
-	}
+    private void repairHexCodeword(int[] input, int[] output, int index, int[] indexSet)
+    {
+        if(input[index] != output[index])
+        {
+            mMessage.load(indexSet[0], 6, output[index]);
+            mCRC[2] = CRC.CORRECTED;
+        }
+    }
 
-	public VendorLinkControlOpcode getVendorOpcode()
-	{
-		return VendorLinkControlOpcode.fromValue( mMessage.getInt( OPCODE ) );
-	}
-	
-	public Vendor getVendor()
-	{
-		if( isImplicitFormat() )
-		{
-			return Vendor.STANDARD;
-		}
-		
-		return Vendor.fromValue( mMessage.getInt( VENDOR ) );
-	}
+    @Override
+    public String getMessage()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        sb.append(getMessageStub());
+        sb.append(" ");
+        sb.append(mMessage.toString());
+
+        return sb.toString();
+    }
+
+    public String getMessageStub()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        sb.append(super.getMessageStub());
+
+        if(isEncryptedLinkControlWord())
+        {
+            sb.append("ENCRYPTED");
+        }
+        else
+        {
+            if(isImplicitFormat() || getVendor() == Vendor.STANDARD)
+            {
+                sb.append(getOpcode().getLabel());
+            }
+            else
+            {
+                sb.append("VENDOR:" + getVendor().getLabel() + " ");
+                sb.append(getVendorOpcode().getLabel());
+            }
+        }
+
+        return sb.toString();
+    }
+
+    public boolean isImplicitFormat()
+    {
+        return mMessage.get(IMPLICIT_VENDOR_FLAG);
+    }
+
+    public LinkControlOpcode getOpcode()
+    {
+        return LinkControlOpcode.fromValue(mMessage.getInt(OPCODE));
+    }
+
+    public VendorLinkControlOpcode getVendorOpcode()
+    {
+        return VendorLinkControlOpcode.fromValue(mMessage.getInt(OPCODE));
+    }
+
+    public Vendor getVendor()
+    {
+        if(isImplicitFormat())
+        {
+            return Vendor.STANDARD;
+        }
+
+        return Vendor.fromValue(mMessage.getInt(VENDOR));
+    }
 }

src/module/decode/p25/message/ldu/LDU2Message.java

@@ -72,9 +72,11 @@ public class LDU2Message extends LDUMessage
 	    
 	    checkCRC();
     }
-	
-	@Override
-	public boolean isEncrypted()
+
+	/**
+	 * Indicates if the audio stream is encrypted
+	 */
+	public boolean isEncryptedAudio()
 	{
 		Encryption encryption = getEncryption();
 		

src/module/decode/p25/message/ldu/LDUMessage.java

@@ -35,8 +35,6 @@ public abstract class LDUMessage extends P25Message
 	    super( message, duid, aliasList );
     }
 	
-	public abstract boolean isEncrypted();
-	
 	@Override
     public String getMessage()
     {

src/module/decode/p25/message/tsbk/osp/control/IdentifierUpdateTDMA.java

@@ -41,7 +41,7 @@ public class IdentifierUpdateTDMA extends IdentifierUpdate
 
 		sb.append( " ID:" + getIdentifier() );
 		sb.append( " BASE:" + getBaseFrequency() );
-		sb.append( " BW:" + getBandwidth() );
+		sb.append( " BANDWIDTH:" + getBandwidth() );
 		sb.append( " SPACING:" + getChannelSpacing() );
 		sb.append( " OFFSET:" + getTransmitOffset() );
 		sb.append( " TYPE:" + getChannelType().toString() );
@@ -137,7 +137,7 @@ public class IdentifierUpdateTDMA extends IdentifierUpdate
     		
     		sb.append( mAccessType.name() );
     		sb.append( " BANDWIDTH:" + mBandwidth );
-    		sb.append( " SLOT/CARRIER:" + mSlotsPerCarrier );
+    		sb.append( " TIMESLOTS PER CARRIER:" + mSlotsPerCarrier );
     		sb.append( " VOCODER:" + mVocoder.name() );
     		
     		return sb.toString();