--- a/GUI/volumewidget/soundslider.h
+++ b/GUI/volumewidget/soundslider.h
@@ -31,11 +31,24 @@
#include <QAbstractSlider>
#include <QPainter>
+#include <QDebug>
/* Sound Slider inherited directly from QAbstractSlider */
class QPaintEvent;
-#define SOUNDMAX 125 // 125 % (+6dB)
+
+/* VLC used // 125 % (+6dB) */
+#define SOUNDMAX 100
+
+#ifndef Q_DECL_OVERRIDE
+#define Q_DECL_OVERRIDE
+#endif
+#ifndef DPI_REF_VALUE
+#define DPI_REF_VALUE 96.0
+#endif
+#ifndef AOUT_VOLUME_DEFAULT
+#define AOUT_VOLUME_DEFAULT 256
+#endif
class SoundSlider : public QAbstractSlider
{