From 4272dc3ec5c56c46e88366c9a49a9a6aceb36e12 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Sun, 11 Mar 2012 17:47:06 +0100
Subject: [PATCH] doc: add vf_crop keepaspect documentation
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
doc/filters.texi | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index b13d5f5cbd9..063cc136052 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -903,9 +903,14 @@ testing purposes.
@section crop
-Crop the input video to @var{out_w}:@var{out_h}:@var{x}:@var{y}.
+Crop the input video to @var{out_w}:@var{out_h}:@var{x}:@var{y}:@var{keep_aspect}
-The parameters are expressions containing the following constants:
+The @var{keep_aspect} parameter is optional, if specified and set to a
+non-zero value will force the output display aspect ratio to be the
+same of the input, by changing the output sample aspect ratio.
+
+The @var{out_w}, @var{out_h}, @var{x}, @var{y} parameters are
+expressions containing the following constants:
@table @option
@item x, y
--
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