[FFmpeg-cvslog] doc/filters: note requirements for xfade inputs

[Gyan Doshi]

ffmpeg | branch: master | Gyan Doshi <ffmpeg at gyani.pro> | Tue Apr 20 09:50:50 2021 +0530| [54d8386f52547f8abfb8fbad35b61cbfee3eed41] | committer: Gyan Doshi

doc/filters: note requirements for xfade inputs

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=54d8386f52547f8abfb8fbad35b61cbfee3eed41
---

 doc/filters.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 68f17dd563..67587d96ee 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -21803,6 +21803,9 @@ Default is @code{3}.
 Apply cross fade from one input video stream to another input video stream.
 The cross fade is applied for specified duration.
 
+Both inputs must be constant frame-rate and have the same resolution, pixel format,
+frame rate and timebase.
+
 The filter accepts the following options:
 
 @table @option