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Initial code check in continued
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dennis.sheirer
258
src/source/mixer/MixerManager.java
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258
src/source/mixer/MixerManager.java
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/*******************************************************************************
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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.mixer;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Set;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioSystem;
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import javax.sound.sampled.DataLine;
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import javax.sound.sampled.Line;
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import javax.sound.sampled.Mixer;
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import javax.sound.sampled.TargetDataLine;
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import log.Log;
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import source.config.SourceConfigMixer;
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import source.config.SourceConfiguration;
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import source.tuner.MixerTunerDataLine;
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import source.tuner.MixerTunerType;
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import controller.channel.ProcessingChain;
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public class MixerManager
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{
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private static MixerManager sInstance = null;
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private HashMap<String,TargetDataLine> mMixerLines =
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new HashMap<String,TargetDataLine>();
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private HashMap<String,MixerTunerDataLine> mMixerTuners =
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new HashMap<String,MixerTunerDataLine>();
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public static AudioFormat MONO = new AudioFormat( 48000, //SampleRate
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16, //Sample Size
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1, //Channels
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true, //Signed
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false ); //Little Endian
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public static AudioFormat STEREO = new AudioFormat( 48000, //SampleRate
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16, //Sample Size
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2, //Channels
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true, //Signed
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false ); //Little Endian
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private MixerManager()
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{
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loadMixers();
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}
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public static MixerManager getInstance()
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{
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if( sInstance == null )
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{
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sInstance = new MixerManager();
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}
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return sInstance;
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}
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public MixerSource getSource( ProcessingChain channel )
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{
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MixerSource retVal = null;
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SourceConfiguration config =
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channel.getChannel().getSourceConfiguration();
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if( config instanceof SourceConfigMixer )
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{
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SourceConfigMixer mixerConfig = (SourceConfigMixer)config;
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//Get the name of the requested mixer
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String mixerName = mixerConfig.getMixer();
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if( mixerName != null )
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{
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TargetDataLine tdl = mMixerLines.get( mixerName );
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if( tdl != null )
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{
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switch( mixerConfig.getChannel() )
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{
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case MONO:
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retVal = new MixerSource( mMixerLines.get( mixerName ),
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MONO,
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mixerName,
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new ShortAdapter() );
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break;
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case LEFT:
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case RIGHT:
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retVal = new MixerSource( mMixerLines.get( mixerName ),
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STEREO,
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mixerName,
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new ChannelShortAdapter( mixerConfig.getChannel() ) );
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break;
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}
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}
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}
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}
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return retVal;
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}
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public Set<String> getMixers()
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{
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return mMixerLines.keySet();
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}
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public Collection<MixerTunerDataLine> getMixerTunerDataLines()
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{
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return mMixerTuners.values();
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}
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private void loadMixers()
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{
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StringBuilder sb = new StringBuilder();
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sb.append( "MixerManager - loading system mixer devices\n" );
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for( Mixer.Info mixerInfo: AudioSystem.getMixerInfo() )
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{
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//Sort between the mixers and the tuner mixers, and load each
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MixerTunerType mixerTunerType = MixerTunerType.getMixerTunerType( mixerInfo );
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if( mixerTunerType == MixerTunerType.UNKNOWN )
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{
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Mixer mixer = AudioSystem.getMixer( mixerInfo );
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if( mixer != null )
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{
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TargetDataLine tdl = getTargetDataLine( mixerInfo, STEREO );
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if( tdl != null )
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{
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mMixerLines.put( mixerInfo.getName(), tdl );
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sb.append( "\t[LOADED] Mixer:" + mixerInfo.getName() + "\n" );
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}
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else
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{
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sb.append( "\t[NOT LOADED] Mixer:" + mixerInfo.getName() + " - audio format not supported\n" );
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}
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}
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else
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{
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sb.append( "\t[NOT LOADED] Mixer:" + mixerInfo.getName() + " - couldn't get mixer\n" );
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}
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}
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else //Process as a Mixer-based tuner data line
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{
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TargetDataLine tdl =
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getTargetDataLine( mixerInfo,
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mixerTunerType.getAudioFormat() );
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if( tdl != null )
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{
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switch( mixerTunerType )
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{
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case FUNCUBE_DONGLE_PRO:
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case FUNCUBE_DONGLE_PRO_PLUS:
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mMixerTuners.put( mixerInfo.getName(),
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new MixerTunerDataLine( tdl, mixerTunerType ) );
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sb.append( "\t[LOADED] FunCube Dongle Mixer Tuner:" + mixerInfo.getName() + "[" + mixerTunerType.getDisplayString() + "]\n" );
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break;
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case UNKNOWN:
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default:
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sb.append( "\t[NOT LOADED] Tuner:" + mixerInfo.getName() + " - unrecognized tuner type\n" );
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break;
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}
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}
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else
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{
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sb.append( "\t[NOT LOADED] Tuner:" + mixerInfo.getName() + " - couldn't get target data line\n" );
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}
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}
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}
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Log.info( sb.toString() );
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}
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private TargetDataLine getTargetDataLine( Mixer.Info mixerInfo, AudioFormat format )
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{
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TargetDataLine retVal = null;
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Mixer mixer = AudioSystem.getMixer( mixerInfo );
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if( mixer != null )
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{
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try
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{
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DataLine.Info datalineInfo=
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new DataLine.Info(TargetDataLine.class, format );
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retVal = (TargetDataLine) mixer.getLine( datalineInfo );
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}
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catch( Exception e )
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{
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//Do nothing ... we couldn't get the TDL
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}
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}
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return retVal;
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}
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public static String getMixerDevices()
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{
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StringBuilder sb = new StringBuilder();
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for( Mixer.Info mixerInfo: AudioSystem.getMixerInfo() )
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{
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sb.append( "\n--------------------------------------------------" );
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sb.append( "\nMIXER name:" + mixerInfo.getName() +
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"\n desc:" + mixerInfo.getDescription() +
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"\n vendor:" + mixerInfo.getVendor() +
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"\n version:" + mixerInfo.getVersion() +
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"\n" );
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Mixer mixer = AudioSystem.getMixer( mixerInfo );
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Line.Info[] sourceLines = mixer.getSourceLineInfo();
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for( Line.Info lineInfo: sourceLines )
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{
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sb.append( " SOURCE LINE desc:" + lineInfo.toString() +
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"\n class:" + lineInfo.getClass() +
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"\n lineclass:" + lineInfo.getLineClass() +
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"\n" );
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}
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Line.Info[] targetLines = mixer.getTargetLineInfo();
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for( Line.Info lineInfo: targetLines )
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{
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sb.append( " TARGET LINE desc:" + lineInfo.toString() +
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"\n class:" + lineInfo.getClass() +
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"\n lineclass:" + lineInfo.getLineClass() +
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"\n" );
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}
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}
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return sb.toString();
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}
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}
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