#296 APCO25 Phase II Decoder Implementation (#589)

P25 Phase 2 Decoder implementation.
This commit is contained in:
Denny Sheirer
2019-11-17 06:56:52 -05:00
committed by GitHub
parent d5b802e794
commit f934676bd0
561 changed files with 35609 additions and 6215 deletions

View File

@@ -1,22 +1,28 @@
/*******************************************************************************
* SDR Trunk
* Copyright (C) 2014-2017 Dennis Sheirer
/*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* * ******************************************************************************
* * Copyright (C) 2014-2019 Dennis Sheirer
* *
* * This program is free software: you can redistribute it and/or modify
* * it under the terms of the GNU General Public License as published by
* * the Free Software Foundation, either version 3 of the License, or
* * (at your option) any later version.
* *
* * This program is distributed in the hope that it will be useful,
* * but WITHOUT ANY WARRANTY; without even the implied warranty of
* * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* * GNU General Public License for more details.
* *
* * You should have received a copy of the GNU General Public License
* * along with this program. If not, see <http://www.gnu.org/licenses/>
* * *****************************************************************************
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
******************************************************************************/
*/
package io.github.dsheirer.source.tuner;
import io.github.dsheirer.record.RecorderManager;
import io.github.dsheirer.record.wave.ComplexBufferWaveRecorder;
import io.github.dsheirer.sample.Listener;
import io.github.dsheirer.sample.buffer.IReusableComplexBufferProvider;
import io.github.dsheirer.sample.buffer.ReusableBufferBroadcaster;
@@ -45,6 +51,7 @@ public abstract class TunerController implements Tunable, ISourceEventProcessor,
private double mUsableBandwidthPercentage;
private Listener<SourceEvent> mSourceEventListener;
private int mMeasuredFrequencyError;
private ComplexBufferWaveRecorder mRecorder;
/**
* Abstract tuner controller class. The tuner controller manages frequency bandwidth and currently tuned channels
@@ -445,4 +452,40 @@ public abstract class TunerController implements Tunable, ISourceEventProcessor,
return true;
}
/**
* Records the complex I/Q buffers produced by the tuner
* @param recorderManager to obtain a baseband recorder
*/
public void startRecorder(RecorderManager recorderManager)
{
if(!isRecording())
{
mRecorder = recorderManager.getBasebandRecorder("TUNER_" + getFrequency());
mRecorder.setSampleRate((float)getSampleRate());
mRecorder.start();
addBufferListener(mRecorder);
}
}
/**
* Stops the recording of complex I/Q buffers
*/
public void stopRecorder()
{
if(isRecording())
{
removeBufferListener(mRecorder);
mRecorder.stop();
mRecorder = null;
}
}
/**
* Indicates if this tuner controller is currently reocording the complex I/Q sample buffers produced by this tuner
*/
public boolean isRecording()
{
return mRecorder != null;
}
}