[FFmpeg-cvslog] lavfi/delogo: Document where parameter show=1 draws its rectangle

[Jean Delvare]

ffmpeg | branch: master | Jean Delvare <khali at linux-fr.org> | Sat Jul 13 16:51:09 2013 +0200| [9e4bb091401f45469a3dbf252344c2468edaa148] | committer: Michael Niedermayer

lavfi/delogo: Document where parameter show=1 draws its rectangle

It is not completely obvious where delogo's parameter show=1 draws its
rectangle. Document it so that the user can more easily tune the
parameters.

Signed-off-by: Jean Delvare <khali at linux-fr.org>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9e4bb091401f45469a3dbf252344c2468edaa148
---

 doc/filters.texi |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index bcc9687..6f3994a 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2854,6 +2854,11 @@ When set to 1, a green rectangle is drawn on the screen to simplify
 finding the right @var{x}, @var{y}, @var{w}, and @var{h} parameters.
 The default value is 0.
 
+The rectangle is drawn on the outermost pixels which will be (partly)
+replaced with interpolated values. The values of the next pixels
+immediately outside this rectangle in each direction will be used to
+compute the interpolated pixel values inside the rectangle.
+
 @end table
 
 @subsection Examples