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authorJean Delvare <khali@linux-fr.org>2013-07-13 16:51:09 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-07-13 17:05:39 +0200
commit9e4bb091401f45469a3dbf252344c2468edaa148 (patch)
tree3ec865002ed29a26b3da1c73d3a91e855a46ebba /doc
parentb6d0bb6086d1e92e120f74dfe6249b7cbf7ced8b (diff)
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@linux-fr.org> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'doc')
-rw-r--r--doc/filters.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index bcc9687f20..6f3994a204 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