avfilter/avf_avectorscope: add swap and mirror options

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 63ce899784..62f633c6f8 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -17232,6 +17232,26 @@ Cubic root.
 Logarithmic.
 @end table
 
+@item swap
+Swap left channel axis with right channel axis.
+
+@item mirror
+Mirror axis.
+
+@table @samp
+@item none
+No mirror.
+
+@item x
+Mirror only x axis.
+
+@item y
+Mirror only y axis.
+
+@item xy
+Mirror both axis.
+@end table
+
 @end table
 
 @subsection Examples