[FFmpeg-cvslog] doc/filters: mention obvious operation, for our always clueless users

Paul B Mahol git at videolan.org
Thu May 16 11:43:05 EEST 2019


ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu May 16 10:40:38 2019 +0200| [7990df05f72292fd9e4c8a8e5cc04d408610ae31] | committer: Paul B Mahol

doc/filters: mention obvious operation, for our always clueless users

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7990df05f72292fd9e4c8a8e5cc04d408610ae31
---

 doc/filters.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 38c70bf674..1e872e4cf9 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -18231,6 +18231,10 @@ implemented based on the de-interlace algorithm written by Jim
 Easterbrook for BBC R&D, the Weston 3 field deinterlacing filter
 uses filter coefficients calculated by BBC R&D.
 
+This filter use field-dominance information in frame to decide which
+of each pair of fields to place first in the output.
+If it gets it wrong use @ref{setfield} filter before @code{w3fdif} filter.
+
 There are two sets of filter coefficients, so called "simple":
 and "complex". Which set of filter coefficients is used can
 be set by passing an optional parameter:



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