avfilter: add doubleweave filter

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

1 files changed, 4 insertions, 1 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 36efc3369a..ac32995dea 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -14659,12 +14659,15 @@ Default is digital.
 Set background opacity.
 @end table
 
-@section weave
+@section weave, doubleweave
 
 The @code{weave} takes a field-based video input and join
 each two sequential fields into single frame, producing a new double
 height clip with half the frame rate and half the frame count.
 
+The @code{doubleweave} works same as @code{weave} but without
+halving frame rate and frame count.
+
 It accepts the following option:
 
 @table @option