[FFmpeg-cvslog] filters.texi: document interlaced scaling

[Mark Himsley]

ffmpeg | branch: master | Mark Himsley <mark at mdsh.com> | Mon Oct 24 12:45:14 2011 +0100| [3092509b08f71beabff65c31c49d9e9dffe4584b] | committer: Michael Niedermayer

filters.texi: document interlaced scaling

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3092509b08f71beabff65c31c49d9e9dffe4584b
---

 doc/filters.texi |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index b389ba2..7d9a6fc 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:
+
+ at table @option
+ at item 1
+force interlaced aware scaling
+
+ at item -1
+select interlaced aware scaling depending on whether the source frames
+are flagged as interlaced or not
+ at end table
+
 Some examples follow:
 @example
 # scale the input video to a size of 200x100.