In yadif filter, default to top field first if interlacing is unknown

[ffmpeg.git] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index a66900e..3842886 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -996,6 +996,8 @@ enable automatic detection
 @end table
 
 Default value is -1.
+If interlacing is unknown or decoder does not export this information,
+top field first will be assumed.
 
 @c man end VIDEO FILTERS