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Code Issues Packages Projects Releases 2 Wiki Activity

[WIP] Updates the LTR-Standard and LTR-Net decoders to use a new LTR

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decoder with a zero-crossing symbol timing error detector.  The new
decoder is optimized for 8 kHz FM demodulated audio produced by the
AudioModule.
This commit is contained in:
Denny
2018-06-02 08:47:48 -04:00
parent c13315f731
commit a898be265f
64 changed files with 2660 additions and 1285 deletions
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33
src/main/java/io/github/dsheirer/module/ProcessingChain.java
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@@ -49,8 +49,12 @@ import io.github.dsheirer.record.wave.ComplexBufferWaveRecorder;
import io.github.dsheirer.record.wave.RealBufferWaveRecorder;
import io.github.dsheirer.sample.Broadcaster;
import io.github.dsheirer.sample.Listener;
import io.github.dsheirer.sample.buffer.IReusableBufferListener;
import io.github.dsheirer.sample.buffer.IReusableBufferProvider;
import io.github.dsheirer.sample.buffer.IReusableComplexBufferListener;
import io.github.dsheirer.sample.buffer.ReusableBuffer;
import io.github.dsheirer.sample.buffer.ReusableBufferBroadcaster;
import io.github.dsheirer.sample.buffer.ReusableComplexBuffer;
import io.github.dsheirer.sample.real.IFilteredRealBufferListener;
import io.github.dsheirer.sample.real.IFilteredRealBufferProvider;
import io.github.dsheirer.sample.real.IUnFilteredRealBufferListener;
@@ -98,7 +102,8 @@ public class ProcessingChain implements IChannelEventListener
private Broadcaster<AudioPacket> mAudioPacketBroadcaster = new Broadcaster<>();
private Broadcaster<CallEvent> mCallEventBroadcaster = new Broadcaster<>();
private Broadcaster<ChannelEvent> mChannelEventBroadcaster = new Broadcaster<>();
private ReusableBufferBroadcaster mComplexBufferBroadcaster = new ReusableBufferBroadcaster();
private ReusableBufferBroadcaster<ReusableComplexBuffer> mComplexBufferBroadcaster = new ReusableBufferBroadcaster();
private ReusableBufferBroadcaster<ReusableBuffer> mDemodulatedAudioBufferBroadcaster = new ReusableBufferBroadcaster();
private Broadcaster<DecoderStateEvent> mDecoderStateEventBroadcaster = new Broadcaster<>();
private Broadcaster<Heartbeat> mHeartbeatBroadcaster = new Broadcaster<>();
private Broadcaster<SourceEvent> mSourceEventBroadcaster = new Broadcaster<>();
@@ -327,9 +332,14 @@ public class ProcessingChain implements IChannelEventListener
mMessageBroadcaster.addListener(((IMessageListener) module).getMessageListener());
}
if(module instanceof IReusableBufferListener)
{
mDemodulatedAudioBufferBroadcaster.addListener(((IReusableBufferListener)module).getReusableBufferListener());
}
if(module instanceof IReusableComplexBufferListener)
{
mComplexBufferBroadcaster.addListener(((IReusableComplexBufferListener) module).getReusableComplexBufferListener());
mComplexBufferBroadcaster.addListener(((IReusableComplexBufferListener)module).getReusableComplexBufferListener());
}
if(module instanceof ISourceEventListener)
@@ -394,6 +404,11 @@ public class ProcessingChain implements IChannelEventListener
mHeartbeatBroadcaster.removeListener(((IHeartbeatListener)module).getHeartbeatListener());
}
if(module instanceof IReusableBufferListener)
{
mDemodulatedAudioBufferBroadcaster.removeListener(((IReusableBufferListener)module).getReusableBufferListener());
}
if(module instanceof IReusableComplexBufferListener)
{
mComplexBufferBroadcaster.removeListener(((IReusableComplexBufferListener) module).getReusableComplexBufferListener());
@@ -471,6 +486,11 @@ public class ProcessingChain implements IChannelEventListener
((IMessageProvider) module).setMessageListener(mMessageBroadcaster);
}
if(module instanceof IReusableBufferProvider)
{
((IReusableBufferProvider)module).setBufferListener(mDemodulatedAudioBufferBroadcaster);
}
if(module instanceof ISourceEventProvider)
{
((ISourceEventProvider) module).setSourceEventListener(mSourceEventBroadcaster);
@@ -538,6 +558,11 @@ public class ProcessingChain implements IChannelEventListener
((IMessageProvider) module).setMessageListener(null);
}
if(module instanceof IReusableBufferProvider)
{
((IReusableBufferProvider)module).setBufferListener(null);
}
if(module instanceof ISourceEventProvider)
{
((ISourceEventProvider) module).setSourceEventListener(null);
@@ -588,7 +613,7 @@ public class ProcessingChain implements IChannelEventListener
((ComplexSource) mSource).setListener(mComplexBufferBroadcaster);
break;
case REAL:
((RealSource) mSource).setListener(mFilteredRealBufferBroadcaster);
((RealSource) mSource).setListener(mDemodulatedAudioBufferBroadcaster);
break;
default:
throw new IllegalArgumentException("Unrecognized source "
@@ -636,7 +661,7 @@ public class ProcessingChain implements IChannelEventListener
((ComplexSource) mSource).removeListener(mComplexBufferBroadcaster);
break;
case REAL:
((RealSource) mSource).removeListener(mFilteredRealBufferBroadcaster);
((RealSource) mSource).removeListener(mDemodulatedAudioBufferBroadcaster);
break;
default:
throw new IllegalArgumentException("Unrecognized source sample type - cannot start processing " +