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[WIP] Updates the passport decoder to use the new LTRDecoder.

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Deprecates the Listener<Boolean> interface method in the MessageFramer
to optimize for primitive booleans and reduce impact on memory.  Will
remove this interface once the AFSK1200 decoders are updated.
This commit is contained in:
Denny
2018-06-02 09:31:49 -04:00
parent a898be265f
commit e4209c8e4f
6 changed files with 65 additions and 344 deletions
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15
src/main/java/io/github/dsheirer/dsp/fsk/LTRDecoder.java
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@@ -15,6 +15,7 @@
******************************************************************************/
package io.github.dsheirer.dsp.fsk;
import io.github.dsheirer.bits.MessageFramer;
import io.github.dsheirer.dsp.filter.dc.IIRSinglePoleDCRemovalFilter;
import io.github.dsheirer.dsp.filter.design.FilterDesignException;
import io.github.dsheirer.dsp.filter.fir.FIRFilterSpecification;
@@ -89,7 +90,7 @@ public class LTRDecoder implements Listener<ReusableBuffer>, ISyncDetectListener
protected SynchronizationMonitor mSynchronizationMonitor;
private IIRSinglePoleDCRemovalFilter mDCFilter = new IIRSinglePoleDCRemovalFilter(0.99999f);
private RealFIRFilter2 mLowPassFilter = new RealFIRFilter2(sLowPassFilterCoefficients);
private Listener<Boolean> mSymbolDecisionListener;
private MessageFramer mMessageFramer;
private boolean mSampleDecision;
@@ -155,9 +156,9 @@ public class LTRDecoder implements Listener<ReusableBuffer>, ISyncDetectListener
if(mSampleBuffer.hasSymbol())
{
if(mSymbolDecisionListener != null)
if(mMessageFramer != null)
{
mSymbolDecisionListener.receive(mSampleBuffer.getSymbol());
mMessageFramer.receive(mSampleBuffer.getSymbol());
}
mSampleBuffer.resetAndAdjust(-mTimingErrorDetector.getError());
@@ -172,11 +173,11 @@ public class LTRDecoder implements Listener<ReusableBuffer>, ISyncDetectListener
/**
* Registers a listener to receive decoded LTR symbols.
*
* @param listener to receive symbols.
* @param messageFramer to receive symbols.
*/
public void setListener(Listener<Boolean> listener)
public void setMessageFramer(MessageFramer messageFramer)
{
mSymbolDecisionListener = listener;
mMessageFramer = messageFramer;
}
/**
@@ -184,7 +185,7 @@ public class LTRDecoder implements Listener<ReusableBuffer>, ISyncDetectListener
*/
public void removeListener()
{
mSymbolDecisionListener = null;
mMessageFramer = null;
}