#if !defined(_GHB_PREVIEW_H_)
#define _GHB_PREVIEW_H_
-#define MOD_ROUND(v,m) (m * ((v + (m>>1) - 1) / m))
+#define MOD_ROUND(v,m) ((m==1)?v:(m * ((v + (m>>1) - 1) / m)))
#define MOD_DOWN(v,m) (m * (v / m))
#define MOD_UP(v,m) (m * ((v + m - 1) / m))
void ghb_preview_cleanup(signal_user_data_t *ud);
void ghb_live_reset(signal_user_data_t *ud);
void ghb_par_scale(signal_user_data_t *ud, gint *width, gint *height, gint par_n, gint par_d);
+void ghb_preview_set_visible(signal_user_data_t *ud);
#endif // _GHB_PREVIEW_H_