mirror of
https://github.com/DSheirer/sdrtrunk.git
synced 2026-11-13 09:07:27 -05:00
[WIP] Updates the AM decoder module.
Removes a number of unused classes in an effort to remove RealBuffer usage across the codebase (has been replaced by ReusableBuffers).
This commit is contained in:
Denny
@@ -1,40 +0,0 @@
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/*******************************************************************************
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* SDR Trunk
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* Copyright (C) 2015 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 io.github.dsheirer.audio.squelch;
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/**
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* Provides squelch control based on presense of decoded audio samples.
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*
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* NOTE: this class is not yet fully implemented with audio sample processing
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* and currently only provides user driven squelch control
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*/
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public class ManualSquelchController extends SquelchController
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{
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public ManualSquelchController()
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{
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mSquelchMode = SquelchMode.NONE;
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}
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@Override
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public void setSquelchMode( SquelchMode mode )
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{
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//TODO: add functionality
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}
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}
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@@ -1,122 +0,0 @@
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/*******************************************************************************
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* SDR Trunk
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* Copyright (C) 2015 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 io.github.dsheirer.audio.squelch;
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import io.github.dsheirer.sample.Broadcaster;
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import io.github.dsheirer.sample.Listener;
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import io.github.dsheirer.sample.real.RealBuffer;
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import io.github.dsheirer.sample.real.RealSampleListener;
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import io.github.dsheirer.sample.real.RealToRealBufferAssembler;
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/**
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* Squelch control - receives single audio samples or real audio buffers and
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* adjusts squelch state either based on the audio samples or based on external
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* control inputs.
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*
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* Assembles received single audio samples into real sample buffers for
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* consumption by an external audio processor, like the AudioPacketProcessor
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* class.
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*/
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public abstract class SquelchController
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implements Listener<RealBuffer>, RealSampleListener
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{
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private Broadcaster<SquelchState> mSquelchStateBroadcaster = new Broadcaster<>();
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private Listener<RealBuffer> mAudioListener;
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protected SquelchState mSquelchState = SquelchState.UNSQUELCH;
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protected SquelchMode mSquelchMode = SquelchMode.MANUAL;
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private RealToRealBufferAssembler mSampleAssembler = new RealToRealBufferAssembler( 512 );
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public SquelchController()
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{
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mSampleAssembler.setListener( this );
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}
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@Override
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public void receive( float sample )
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{
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mSampleAssembler.receive( sample );
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}
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@Override
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public void receive( RealBuffer buffer )
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{
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if( mAudioListener != null )
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{
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mAudioListener.receive( buffer );
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}
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}
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public abstract void setSquelchMode( SquelchMode mode );
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public SquelchMode getSquelchMode()
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{
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return mSquelchMode;
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}
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public void setSquelchState( SquelchState state )
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{
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mSquelchState = state;
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}
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public SquelchState getSquelchState()
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{
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return mSquelchState;
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}
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public boolean isSquelched()
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{
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switch( mSquelchMode )
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{
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case AUTOMATIC:
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case MANUAL:
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return mSquelchState == SquelchState.SQUELCH;
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case NONE:
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return false;
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default:
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return false;
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}
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}
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public void addSquelchStateListener( Listener<SquelchState> listener )
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{
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if( listener != null )
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{
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mSquelchStateBroadcaster.addListener( listener );
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/* Send current squelch state to the listener */
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listener.receive( mSquelchState );
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}
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}
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public void removeSquelchStateListener( Listener<SquelchState> listener )
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{
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mSquelchStateBroadcaster.removeListener( listener );
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}
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public void setAudioListener( Listener<RealBuffer> listener )
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{
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mAudioListener = listener;
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}
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public void removeAudioListener( Listener<RealBuffer> listener )
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{
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mAudioListener = null;
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}
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}
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@@ -1,55 +0,0 @@
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/*******************************************************************************
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* SDR Trunk
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* Copyright (C) 2015 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 io.github.dsheirer.audio.squelch;
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public class TrunkingSquelchController extends SquelchController
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{
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private boolean mAllowSquelchOverride = true;
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public TrunkingSquelchController()
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{
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}
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/**
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* Provides control over audio stream as directed by an external trunking
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* channel state.
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*
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* Override automatic squelch control by setting the squelch mode to none.
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*
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* Disable automatic control override by setting allowManualOverride to false;
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*
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* Note: this control does not respond to squelch mode manual.
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*/
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public TrunkingSquelchController( boolean allowSquelchOverride )
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{
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mAllowSquelchOverride = allowSquelchOverride;
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mSquelchMode = SquelchMode.AUTOMATIC;
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}
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@Override
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public void setSquelchMode( SquelchMode mode )
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{
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if( mode == SquelchMode.AUTOMATIC ||
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( mode == SquelchMode.NONE && mAllowSquelchOverride ) )
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{
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mSquelchMode = mode;
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}
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}
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}
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