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-rw-r--r--doc/filters.texi4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 6d6a52e4ef..d43db8c59e 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -13455,6 +13455,10 @@ Coefficient of the double quadratic correction term. This value has a range [-1,
@item i
Set interpolation type. Can be @code{nearest} or @code{bilinear}.
Default is @code{nearest}.
+@item fc
+Specify the color of the unmapped pixels. For the syntax of this option,
+check the @ref{color syntax,,"Color" section in the ffmpeg-utils
+manual,ffmpeg-utils}. Default color is @code{black@@0}.
@end table
The formula that generates the correction is: