diff -ur /tmp/MPlayer-1.0pre5/DOCS/man/en/mplayer.1 ./DOCS/man/en/mplayer.1
--- /tmp/MPlayer-1.0pre5/DOCS/man/en/mplayer.1	2004-07-14 15:07:36.000000000 -0700
+++ ./DOCS/man/en/mplayer.1	2004-07-28 18:57:13.000000000 -0700
@@ -3013,12 +3013,24 @@
 .RE
 .PD 1
 .TP
-.B cropdetect[=0\-255]
+.B cropdetect[=limit:round]
 Calculates necessary cropping parameters and prints the recommended parameters
 to stdout.
-The threshold can be optionally specified from nothing (0) to everything
+.PD 0
+.RSs
+.IPs limit
+threshold, which can be optionally specified from nothing (0) to everything
 (255).
 (default: 24)
+.br
+.IPs round
+value which the width/height should be divisible by.
+The offset is automatically adjusted to center the video.
+Use \'2\' to get only even dimentions (needed for 4:2:2 video).
+\'16\' is best when encoding to most video codecs.
+(default: 1)
+.RE
+.PD 1
 .TP
 .B rectangle[=w:h:x:y]
 The plugin responds to the input.conf directive 'change_rectangle'
diff -ur /tmp/MPlayer-1.0pre5/libmpcodecs/vf_cropdetect.c ./libmpcodecs/vf_cropdetect.c
--- /tmp/MPlayer-1.0pre5/libmpcodecs/vf_cropdetect.c	2003-10-25 11:37:34.000000000 -0700
+++ ./libmpcodecs/vf_cropdetect.c	2004-07-28 15:13:56.000000000 -0700
@@ -16,6 +16,7 @@
 struct vf_priv_s {
     int x1,y1,x2,y2;
     int limit;
+    int round;
     int fno;
 };
 
@@ -57,7 +58,7 @@
 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
     mp_image_t *dmpi;
     int bpp=mpi->bpp/8;
-    int x,y;
+    int w,h,x,y;
 
     // hope we'll get DR buffer:
     dmpi=vf_get_image(vf->next,mpi->imgfmt,
@@ -105,12 +106,27 @@
 
     x=(vf->priv->x1+1)&(~1);
     y=(vf->priv->y1+1)&(~1);
-    
+    w=(vf->priv->x2+1-x)&(~1);
+    h=(vf->priv->y2+1-y)&(~1);
+
+    if ( vf->priv->round > 1 ){
+      while ( w % vf->priv->round != 0 ) {
+        --w;
+        if( w % 2 == 0 )
+          ++x;
+      }
+
+      while ( h % vf->priv->round != 0 ) {
+        --h; 
+        if( h % 2 == 0 ) 
+          ++y;
+      }
+    }
     printf("crop area: X: %d..%d  Y: %d..%d  (-vf crop=%d:%d:%d:%d)\n",
 	vf->priv->x1,vf->priv->x2,
 	vf->priv->y1,vf->priv->y2,
-	(vf->priv->x2+1-x)&(~1),(vf->priv->y2+1-y)&(~1),x,y
-	  );
+	w,h,x,y);
+
 
 }
 
@@ -124,7 +140,9 @@
     vf->put_image=put_image;
     vf->priv=malloc(sizeof(struct vf_priv_s));
     vf->priv->limit=24; // should be option
-    if(args) vf->priv->limit=atoi(args);
+    if(args) sscanf(args, "%d:%d",
+    &vf->priv->limit,
+    &vf->priv->round);
     return 1;
 }