avfilter/vf_lut3d: ignore last whitespace when comparing LUT size string

[ffmpeg] / doc / encoders.texi

diff --git a/doc/encoders.texi b/doc/encoders.texi
index fced8d73690e3abbe89d6ce06f552bd98467bbb8..c9464ca7b3b8fbb1568604b6c1d7cb4da162c7d9 100644 (file)
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1641,6 +1641,7 @@ means unlimited.
 @table @option
 @item auto-alt-ref
 Enable use of alternate reference frames (2-pass only).
+Values greater than 1 enable multi-layer alternate reference frames (VP9 only).
 @item arnr-max-frames
 Set altref noise reduction max frame count.
 @item arnr-type