void draw_vu_meter(QPainter &painter, float range_low_lu, float range_high_lu, int width, int height, int margin);
#endif // !defined(_VU_COMMON_H)
void draw_vu_meter(QPainter &painter, float range_low_lu, float range_high_lu, int width, int height, int margin);
#endif // !defined(_VU_COMMON_H)