protected void createSource2(boolean start) throws JavaLayerException {
        Throwable t = null;
        try {
            Line line = AudioSystem.getLine(getSourceLineInfo());
            if (line instanceof SourceDataLine) {
                source = (SourceDataLine) line;
                //source.open(fmt, millisecondsToBytes(fmt, 2000));
                source.open(fmt);
                /*
                if (source.isControlSupported(FloatControl.Type.MASTER_GAIN))
                {
                FloatControl c = (FloatControl)source.getControl(FloatControl.Type.MASTER_GAIN);
                c.setValue(c.getMaximum());
                }*/
                if(start) {
                    source.start();  
                }
            }
        } catch (RuntimeException ex) {
            t = ex;
        } catch (LinkageError ex) {
            t = ex;
        } catch (LineUnavailableException ex) {
            t = ex;
        }
        if (source == null) {
            throw new JavaLayerException("cannot obtain source audio line", t);
        }
    }