avfilter/vf_hqdn3d: add support for commands

1 files changed, 7 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 16bf2df6c2..5fdec6f015 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -11765,6 +11765,13 @@ A floating point number which specifies chroma temporal strength. It defaults to
 @var{luma_tmp}*@var{chroma_spatial}/@var{luma_spatial}.
 @end table
 
+@subsection Commands
+This filter supports same @ref{commands} as options.
+The command accepts the same syntax of the corresponding option.
+
+If the specified expression is not valid, it is kept at its current
+value.
+
 @anchor{hwdownload}
 @section hwdownload