!7

import javax.sound.sampled.*;

p-exp {
  for (Mixer.Info thisMixerInfo : AudioSystem.getMixerInfo()) {
    print("Mixer: "+thisMixerInfo.getDescription() + " ["+thisMixerInfo.getName()+"]");
    Mixer thisMixer = AudioSystem.getMixer(thisMixerInfo);
    for (Line.Info thisLineInfo:thisMixer.getSourceLineInfo()) {
      if (thisLineInfo.getLineClass().getName().equals("javax.sound.sampled.Port")) {
        Line thisLine = thisMixer.getLine(thisLineInfo);
        thisLine.open();
        print("  Line type: " + thisLine);
        print("  Source Port: " + thisLineInfo);
        for (Control thisControl : thisLine.getControls())
          print("Have control: " + thisControl);
        thisLine.close();
      }
    }
    
    for (Line.Info thisLineInfo:thisMixer.getTargetLineInfo()) {
      if (thisLineInfo.getLineClass().getName().equals("javax.sound.sampled.Port")) {
        Line thisLine = thisMixer.getLine(thisLineInfo);
        thisLine.open();
        print("  Target Port: " + thisLineInfo);
        for (Control thisControl : thisLine.getControls())
          print("Have control: " + thisControl);
        thisLine.close();
      }
    }
  }
}