[FFmpeg-devel] [PATCH] doc: add dia_size option documentation

[lance.lmwang at gmail.com]

From: Limin Wang <lance.lmwang at gmail.com>

Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
 doc/codecs.texi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/codecs.texi b/doc/codecs.texi
index ece8d50edd..fd98db654b 100644
--- a/doc/codecs.texi
+++ b/doc/codecs.texi
@@ -646,6 +646,24 @@ noise preserving sum of squared differences
 
 @item dia_size @var{integer} (@emph{encoding,video})
 Set diamond type & size for motion estimation.
+ at table @samp
+ at item (1024, INT_MAX):
+full motion estimation(slowest)
+ at item (768, 1024]:
+umh motion estimation
+ at item (512, 768]:
+hex motion estimation
+ at item (256, 512]:
+l2s diamond motion estimation
+ at item [2,256]:
+var diamond motion estimation
+ at item (-1,  2):
+small diamond motion estimation
+ at item -1:
+funny diamond motion estimation
+ at item (INT_MIN, -1):
+sab diamond motion estimation
+ at end table
 
 @item last_pred @var{integer} (@emph{encoding,video})
 Set amount of motion predictors from the previous frame.
-- 
2.21.0