+/* Environment variable for fullscreen mode, and default value */
+#define VOUT_FULLSCREEN_VAR "vlc_fullscreen"
+#define VOUT_FULLSCREEN_DEFAULT 0
+
+/* Environment variable for overlay mode, and default value */
+#define VOUT_OVERLAY_VAR "vlc_overlay"
+#define VOUT_OVERLAY_DEFAULT 0
+