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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_c2390fsnpk0cash5s73j7i3dm0, 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 />
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<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

cmodule VectorImageStream > DynImageSurfaceAndEnabled {
  transient S fpsText;
  transient new PerSecondCounter fpsCounter;
  
  start {
    enableDoubleBuffering(); // flickers when partially obscured otherwise
    dm_vmBus_onMessage_q vectorSDK_gotLine((mod, s) -> handleLine((S) s));
    dm_doEvery(1.0, r {
      setField(fpsText := print(fpsCounter.getLast() + " fps"));
    });
  }
  
  void handleLine(S s) {
    S prefix = "img: ";
    if (!enabled || !startsWith(s, prefix)) ret;
    fpsCounter.inc();
    setImage(imageFromBytes(base64decode(substring(s, prefix))));
  }
  
  void startStream enter {
    dm_call vectorSDK('startCamStream);
  }
  
  JPanel makeControlArea() {
    JPanel buttons = super.makeControlArea();
    addComponent_inFront(buttons, jbutton("Start stream", rThread startStream));
    ret centerAndEastWithMargin(dm_rightAlignedLabel fpsText(), buttons);
  }
}