avfilter: add BobWeaver deinterlacing filter

1 files changed, 53 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index d5ff21cd5b..c533ef7953 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4256,6 +4256,59 @@ tblend=all_mode=difference128
 @end example
 @end itemize
 
+@section bwdif
+
+Deinterlace the input video ("bwdif" stands for "Bob Weaver
+Deinterlacing Filter").
+
+Motion adaptive deinterlacing based on yadif with the use of w3fdif and cubic
+interpolation algorithms.
+It accepts the following parameters:
+
+@table @option
+@item mode
+The interlacing mode to adopt. It accepts one of the following values:
+
+@table @option
+@item 0, send_frame
+Output one frame for each frame.
+@item 1, send_field
+Output one frame for each field.
+@end table
+
+The default value is @code{send_field}.
+
+@item parity
+The picture field parity assumed for the input interlaced video. It accepts one
+of the following values:
+
+@table @option
+@item 0, tff
+Assume the top field is first.
+@item 1, bff
+Assume the bottom field is first.
+@item -1, auto
+Enable automatic detection of field parity.
+@end table
+
+The default value is @code{auto}.
+If the interlacing is unknown or the decoder does not export this information,
+top field first will be assumed.
+
+@item deint
+Specify which frames to deinterlace. Accept one of the following
+values:
+
+@table @option
+@item 0, all
+Deinterlace all frames.
+@item 1, interlaced
+Only deinterlace frames marked as interlaced.
+@end table
+
+The default value is @code{all}.
+@end table
+
 @section boxblur
 
 Apply a boxblur algorithm to the input video.