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https://github.com/DSheirer/sdrtrunk.git
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be62ae0459
state and replaces it with a processing chain heartbeat that is generated by the sample source. Previously, the state monitor was running on a separate thread and this was causing multi-threading issues. With this update, all channel state operations (and all module operations) occur on the source's buffer processing thread.
78 lines
2.4 KiB
Java
78 lines
2.4 KiB
Java
/*******************************************************************************
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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 source;
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import channel.heartbeat.IHeartbeatProvider;
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import module.Module;
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import sample.SampleType;
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import sample.real.IOverflowListener;
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import source.tuner.frequency.IFrequencyChangeListener;
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import source.tuner.frequency.IFrequencyChangeProvider;
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/**
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* Abstract class to define the minimum functionality of a sample data provider.
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*/
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public abstract class Source extends Module implements IFrequencyChangeListener, IFrequencyChangeProvider,
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IHeartbeatProvider
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{
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protected SampleType mSampleType;
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protected IOverflowListener mOverflowListener;
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public Source( SampleType sampleType )
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{
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mSampleType = sampleType;
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}
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public abstract int getSampleRate() throws SourceException;
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public abstract long getFrequency() throws SourceException;
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public abstract void dispose();
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public SampleType getSampleType()
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{
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return mSampleType;
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}
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public void setSampleType( SampleType sampleType )
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{
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mSampleType = sampleType;
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}
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/**
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* Registers the listener to receive overflow state changes. Use null argument to clear the listener
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*/
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public void setOverflowListener(IOverflowListener listener)
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{
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mOverflowListener = listener;
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}
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/**
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* Broadcasts an overflow state
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*
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* @param overflow true if overlow, false if normal
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*/
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protected void broadcastOverflowState(boolean overflow)
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{
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if(mOverflowListener != null)
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{
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mOverflowListener.sourceOverflow(overflow);
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}
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}
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}
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