From 3092509b08f71beabff65c31c49d9e9dffe4584b Mon Sep 17 00:00:00 2001 From: Mark Himsley Date: Mon, 24 Oct 2011 12:45:14 +0100 Subject: [PATCH] filters.texi: document interlaced scaling Signed-off-by: Michael Niedermayer --- doc/filters.texi | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/doc/filters.texi b/doc/filters.texi index b389ba21e8..7d9a6fc779 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1802,7 +1802,7 @@ can be used to test the monowhite pixel format descriptor definition. @section scale -Scale the input video to @var{width}:@var{height} and/or convert the image format. +Scale the input video to @var{width}:@var{height}[:@var{interl}=@{1|-1@}] and/or convert the image format. The parameters @var{width} and @var{height} are expressions containing the following constants: @@ -1850,6 +1850,17 @@ ratio of the input image. The default value of @var{width} and @var{height} is 0. +Valid values for the optional parameter @var{interl} are: + +@table @option +@item 1 +force interlaced aware scaling + +@item -1 +select interlaced aware scaling depending on whether the source frames +are flagged as interlaced or not +@end table + Some examples follow: @example # scale the input video to a size of 200x100.