[Mplayer-cvslog] CVS: main/DOCS/tech vop.txt,1.11,1.12

[Arpi of Ize]

Update of /cvsroot/mplayer/main/DOCS/tech
In directory mail:/var/tmp.root/cvs-serv12656

Modified Files:
	vop.txt 
Log Message:
documenting cropdetect's parameter


Index: vop.txt
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/tech/vop.txt,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- vop.txt	4 Jul 2002 13:30:55 -0000	1.11
+++ vop.txt	26 Jul 2002 00:12:13 -0000	1.12
@@ -129,10 +129,13 @@
 	-vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale
     MPI: passthru
 
--vop cropdetect
+-vop cropdetect[=limit]
     It's a special filter, it doesn't alter the image itself, but detects
     (using some kind of heuristics) the black borders/bands of the image,
     and prints the optimal -vop crop= parameters to the stdout/console.
+    It calculates the average value of pixel luminances for a line, and
+    depending on the result it's either black band (result<=limit) or
+    picture (result>limit). Optional parameter 'limit' defaults to 24.
     MPI: EXPORT
 
 -vop test[=first frame number]