From ed89be1e022979ae1b49d4981981b79c2fb64662 Mon Sep 17 00:00:00 2001
From: Limin Wang <lance.lmwang@gmail.com>
Date: Sat, 25 Sep 2021 22:00:03 +0800
Subject: [PATCH] doc/encoders: add available values for libsvtav1 options

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
---
 doc/encoders.texi | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 8fccd73691..8a7589c245 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1750,12 +1750,30 @@ You need to explicitly configure the build with @code{--enable-libsvtav1}.
 @table @option
 @item profile
 Set the encoding profile.
+@table @samp
+@item main
+@item high
+@item professional
+@end table
 
 @item level
-Set the operating point level.
+Set the operating point level. For example: '4.0'
+
+@item hielevel
+Set the Hierarchical prediction levels.
+@table @samp
+@item 3level
+@item 4level
+This is the default.
+@end table
 
 @item tier
 Set the operating point tier.
+@table @samp
+@item main
+This is the default.
+@item high
+@end table
 
 @item rc
 Set the rate control mode to use.