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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_rhvjr3b8pk04trrkaugmav25qq, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

import javax.sound.sampled.*;

static TargetLine currentLine;

p-substance {
  final L<Mixer> devices = inputAudioDevices();
  L<S> deviceNames = map(func(Mixer m) {
    audioDeviceName(m) + " [" + n(m.getTargetLineInfo(), "line") + "]"
  }, devices);
  ButtonGroup buttons = showRadioButtons("Input Audio Devices", deviceNames);
  JFrame frame = minFrameWidth(300, packFrame(buttons));
  JLabel lblLevel = jcenteredBoldLabel("Level: ");
  addToWindowAndPack(frame, lblLevel);
  awtEvery(lblLevel, 100, r {
    S text = "Level: ";
    if (currentLine != null) try {
      text += currentLine.getLevel();
    } catch e {
      text += str(e);
      printStackTrace(e);
    }
    lblLevel.setText(text);
  });
  onRadioButtonChange(buttons, func(int i) {
    Mixer m = devices.get(i);
    Line.Info[] lines = m.getTargetLineInfo();
    currentLine = m.getLine(first(lines));
  });
}