From 9605df7c8402fb8d5fdbb55ae05639338a1ae0a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <tjop...@acc.umu.se> Date: Mon, 19 Feb 2018 18:42:25 +0100 Subject: [PATCH] Add -vf scale example for making pixels square
This is a common use case. --- doc/filters.texi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index bd93e0ab84..8a9b78d778 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -13721,6 +13721,19 @@ keeping the same aspect ratio as the input: @example scale=w='min(500\, iw*3/2):h=-1' @end example + +@item +Make pixels square by combining scale and setsar: +@example +scale='trunc(ih*dar):ih',setsar=1/1 +@end example + +@item +Make pixels square by combining scale and setsar, +making sure the resulting resolution is even (required by some codecs): +@example +scale='trunc(ih*dar/2)*2:trunc(ih/2)*2',setsar=1/1 +@end example @end itemize @subsection Commands -- 2.11.0
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