diff -Naur mplayer-export-2011-02-28.orig/libvo/vo_aa.c mplayer-export-2011-02-28/libvo/vo_aa.c
--- mplayer-export-2011-02-28.orig/libvo/vo_aa.c	2010-11-14 11:12:34.000000000 +0200
+++ mplayer-export-2011-02-28/libvo/vo_aa.c	2011-02-28 19:10:09.000000000 +0200
@@ -677,6 +677,9 @@
 
         /* initializing of aalib */
 
+    if (force_monitor_aspect == 0.0) {
+	force_monitor_aspect = 4.0/3.0;
+    }
     hidis=aa_getfirst(&aa_displayrecommended);
     if ( hidis==NULL ){
 	/* check /dev/vcsa<vt> */
@@ -686,7 +689,7 @@
 	major = sbuf.st_rdev >> 8;
 	vt = minor = sbuf.st_rdev & 0xff;
 	close (fd);
-	sprintf (fname, "/dev/vcsa%2.2i", vt);
+	sprintf (fname, "/dev/vcsa%d", vt);
 	fp = fopen (fname, "w+");
 	if (fp==NULL){
 	    fprintf(stderr,"VO: [aa] cannot open %s for writing,"