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https://github.com/DSheirer/sdrtrunk.git
synced 2026-11-12 00:27:26 -05:00
Initial commit of redesigned internal processing and audio management.
Note: Several of the decoders are currently non-functioning in this commit. If you want the latest functioning codebase, please checkout the commit prior to this one. All decoders will eventually be updated with this new architecture. Currently broken: - Logging and recording - Aux decoders (Fleetsync/MDC/LoJack/Tait) - LTR/Passport decoders Changes in this commit: - Module architecture for decoders and components with central provisioning by the DecoderFactory - Transition from Complex sample stream processing to float buffer processing for improved memory management - Redesigned filter structures - to support buffers and streams - Resolved several memory leak issues - Universal sharing of the thread pool manager - Added centralized audio management with call/user prioritization and new gui with mute/volume controls - Embedded audio metadata for eventual streaming support - Redesigned ProcessingChain to support independent re-use - Added new TrafficChannelManager to handle traffic channel allocations - Traffic Channel pool size and Call timeout available in P25 and MPT1327 configs - Redesigned channel and decoder gui components
This commit is contained in:
denny
398
src/module/decode/ltrstandard/LTRStandardDecoderState.java
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398
src/module/decode/ltrstandard/LTRStandardDecoderState.java
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/*******************************************************************************
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* SDR Trunk
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* Copyright (C) 2014 Dennis Sheirer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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******************************************************************************/
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package module.decode.ltrstandard;
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import java.text.DecimalFormat;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.TreeSet;
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import message.Message;
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import module.decode.event.CallEvent.CallEventType;
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import module.decode.ltrnet.LTRCallEvent;
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import module.decode.state.ChangedAttribute;
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import module.decode.state.DecoderState;
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import module.decode.state.DecoderStateEvent;
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import module.decode.state.DecoderStateEvent.Event;
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import module.decode.state.State;
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import alias.Alias;
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import alias.AliasList;
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public class LTRStandardDecoderState extends DecoderState
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{
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private static final int sINT_NULL_VALUE = -1;
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private DecimalFormat mDecimalFormatter = new DecimalFormat("0.00000");
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private HashMap<Integer,String> mActiveCalls = new HashMap<Integer,String>();
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private HashSet<String> mTalkgroupsFirstHeard = new HashSet<String>();
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private TreeSet<String> mTalkgroups = new TreeSet<String>();
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private TreeSet<Integer> mActiveLCNs = new TreeSet<Integer>();
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private int mMonitoredLCN;
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private String mTalkgroup;
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private Alias mTalkgroupAlias;
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private int mChannelNumber;
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private long mFrequency;
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public LTRStandardDecoderState( AliasList aliasList )
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{
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super( aliasList );
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}
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private LTRCallEvent getCurrentCallEvent()
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{
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return (LTRCallEvent)mCurrentCallEvent;
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}
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@Override
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public void receive( Message message )
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{
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if( message.isValid() )
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{
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if( message instanceof LTRStandardOSWMessage )
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{
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LTRStandardOSWMessage ltr = ((LTRStandardOSWMessage)message);
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switch( ltr.getMessageType() )
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{
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case CA_STRT:
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if( 0 < ltr.getChannel() && ltr.getChannel() <=20 )
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{
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/* If we haven't captured the LCN yet ... */
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if( mChannelNumber == 0 )
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{
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mChannelNumber = ltr.getChannel();
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broadcast( ChangedAttribute.CHANNEL_NUMBER );
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}
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/* If this call event is for this channel, then update
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* talkgroup and alias */
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if( ltr.getChannel() == mChannelNumber )
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{
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mTalkgroup = ltr.getTalkgroupID();
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broadcast( ChangedAttribute.TO_TALKGROUP );
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mTalkgroupAlias = ltr.getTalkgroupIDAlias();
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broadcast( ChangedAttribute.TO_TALKGROUP_ALIAS );
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LTRCallEvent current = getCurrentCallEvent();
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/* If we have an ongoing call, then add this message
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* to the current event - if addMessage returns
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* false, then we have a different talkgroup and a
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* new call event, so close out the old one. */
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if( current != null && !current.addMessage( ltr ) )
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{
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mCurrentCallEvent.setEnd( System.currentTimeMillis() );
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broadcast( mCurrentCallEvent );
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mCurrentCallEvent = null;
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}
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if( current == null )
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{
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mCurrentCallEvent =
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new LTRCallEvent.Builder( CallEventType.CALL )
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.to( ltr.getTalkgroupID() )
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.aliasList( getAliasList() )
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.channel( String.valueOf( ltr.getChannel() ) )
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.frequency( mFrequency )
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.build();
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broadcast( mCurrentCallEvent );
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broadcast( new DecoderStateEvent( this, Event.START, State.CALL ) );
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}
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else
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{
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broadcast( new DecoderStateEvent( this, Event.CONTINUATION, State.CALL ) );
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}
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}
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}
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break;
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case CA_ENDD:
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mTalkgroup = ltr.getTalkgroupID();
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broadcast( ChangedAttribute.FROM_TALKGROUP );
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mTalkgroupAlias = ltr.getTalkgroupIDAlias();
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broadcast( ChangedAttribute.FROM_TALKGROUP_ALIAS );
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if( mCurrentCallEvent != null )
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{
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mCurrentCallEvent.setEnd( System.currentTimeMillis() );
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broadcast( mCurrentCallEvent );
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broadcast( new DecoderStateEvent( this, Event.END, State.FADE ) );
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mCurrentCallEvent = null;
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}
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int home = ltr.getHomeRepeater();
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if( 0 < home && home <= 20 )
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{
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String talkgroup = ltr.getTalkgroupID( false );
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if( mTalkgroupsFirstHeard.contains( talkgroup ) )
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{
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mTalkgroups.add( talkgroup );
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}
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else
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{
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mTalkgroupsFirstHeard.add( talkgroup );
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}
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}
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int channel = ltr.getChannel();
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if( 0 < channel && channel <= 20 )
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{
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if( channel == home )
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{
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if( mMonitoredLCN != channel )
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{
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mMonitoredLCN = channel;
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broadcast( ChangedAttribute.CHANNEL_NUMBER );
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}
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mActiveLCNs.add( channel );
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}
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int free = ltr.getFree();
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if( 0 < free && free <= 20 )
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{
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mActiveLCNs.add( free );
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}
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}
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break;
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case SY_IDLE:
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int idleChannel = ltr.getChannel();
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if( idleChannel == ltr.getHomeRepeater() &&
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idleChannel == ltr.getFree() )
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{
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if( mMonitoredLCN != idleChannel )
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{
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mMonitoredLCN = idleChannel;
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broadcast( ChangedAttribute.CHANNEL_NUMBER );
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}
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mActiveLCNs.add( idleChannel );
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}
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broadcast( new DecoderStateEvent( this, Event.CONTINUATION, State.IDLE ) );
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break;
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case UN_KNWN:
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default:
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break;
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}
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}
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}
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}
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// /**
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// * Intercept the fade event so that we can generate a call end event
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// */
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// @Override
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// public void fade( final CallEventType type )
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// {
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// /* We can receive multiple call tear-down messages -- only respond to
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// * the message that can change the state to fade */
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// if( getState().canChangeTo( State.FADE ) )
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// {
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// mActiveCalls.clear();
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//
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// LTRCallEvent current = getCurrentLTRCallEvent();
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//
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// if( current != null )
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// {
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// /* Close out the call event. If we only received 1 call
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// * message, then flag it as noise and remove the call event */
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// if( current.isValid() )
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// {
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// mCallEventModel.setEnd( current );
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// }
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// else
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// {
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// mCallEventModel.remove( current );
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// }
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// }
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//
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// setCurrentCallEvent( null );
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// }
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//
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// super.fade( type );
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// }
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public void reset()
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{
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resetState();
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if( mCurrentCallEvent != null )
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{
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mCurrentCallEvent.setEnd( System.currentTimeMillis() );
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broadcast( mCurrentCallEvent );
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mCurrentCallEvent = null;
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}
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}
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private void resetState()
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{
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mTalkgroup = null;
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broadcast( ChangedAttribute.FROM_TALKGROUP );
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mTalkgroupAlias = null;
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broadcast( ChangedAttribute.FROM_TALKGROUP_ALIAS );
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}
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public String getTalkgroup()
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{
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return mTalkgroup;
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}
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public Alias getTalkgroupAlias()
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{
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return mTalkgroupAlias;
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}
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public boolean hasChannelNumber()
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{
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return mChannelNumber != 0;
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}
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public int getChannelNumber()
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{
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return mChannelNumber;
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}
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@Override
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public void init()
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{
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}
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@Override
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public void receiveDecoderStateEvent( DecoderStateEvent event )
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{
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switch( event.getEvent() )
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{
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case RESET:
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resetState();
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break;
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case SOURCE_FREQUENCY:
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mFrequency = event.getFrequency();
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break;
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default:
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break;
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}
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}
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@Override
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public String getActivitySummary()
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{
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StringBuilder sb = new StringBuilder();
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sb.append( "Activity Summary\n\n" );
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sb.append( "Decoder:\tLTR-Standard\n" );
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sb.append( "Monitored LCN: " );
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if( mMonitoredLCN > 0 )
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{
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sb.append( mMonitoredLCN );
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}
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else
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{
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sb.append( "unknown" );
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}
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sb.append( "\n" );
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Integer[] lcns = mActiveLCNs.toArray( new Integer[0] );
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sb.append( "Active LCNs:\t" );
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if( lcns.length > 0 )
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{
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sb.append( Arrays.toString( lcns ) );
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}
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else
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{
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sb.append( "none" );
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}
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sb.append( "\n\n" );
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sb.append( "Talkgroups\n" );
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if( mTalkgroups.isEmpty() )
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{
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sb.append( " None\n" );
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}
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else
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{
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Iterator<String> it = mTalkgroups.iterator();
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while( it.hasNext() )
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{
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String tgid = it.next();
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sb.append( " " );
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sb.append( formatTalkgroup( tgid ) );
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sb.append( " " );
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if( hasAliasList() )
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{
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Alias alias = getAliasList().getTalkgroupAlias( tgid );
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if( alias != null )
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{
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sb.append( alias.getName() );
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}
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}
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sb.append( "\n" );
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}
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}
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return sb.toString();
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}
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public static String formatTalkgroup( String talkgroup )
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{
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StringBuilder sb = new StringBuilder();
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if( talkgroup.length() == 6 )
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{
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sb.append( talkgroup.substring( 0, 1 ) );
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sb.append( "-" );
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sb.append( talkgroup.substring( 1, 3 ) );
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sb.append( "-" );
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sb.append( talkgroup.substring( 3, 6 ) );
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return sb.toString();
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}
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else
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{
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return talkgroup;
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}
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}
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}
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