[FFmpeg-cvslog] doc/filters: indicate commands for scale2ref

[Gyan Doshi]

ffmpeg | branch: master | Gyan Doshi <ffmpeg at gyani.pro> | Mon Jan  6 21:28:09 2020 +0530| [d0b0e8ecc89c53b497845703dfa92da008dbdd33] | committer: Gyan Doshi

doc/filters: indicate commands for scale2ref

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d0b0e8ecc89c53b497845703dfa92da008dbdd33
---

 doc/filters.texi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index f148f9e7b0..9d4390fa22 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -16317,6 +16317,19 @@ Scale a logo to 1/10th the height of a video, while preserving its display aspec
 @end example
 @end itemize
 
+ at subsection Commands
+
+This filter supports the following commands:
+ at table @option
+ at item width, w
+ at item height, h
+Set the output video dimension expression.
+The command accepts the same syntax of the corresponding option.
+
+If the specified expression is not valid, it is kept at its current
+value.
+ at end table
+
 @section scroll
 Scroll input video horizontally and/or vertically by constant speed.