From 2f91dfe64e41edcdcc8ba28e37b711106b640a05 Mon Sep 17 00:00:00 2001 From: Werner Robitza Date: Sun, 26 May 2019 17:52:00 +0200 Subject: [PATCH] doc/swscaler: explain default Lanczos parameter Explain that the default Lanczos filter parameter is 3 and that it can be changed by the param0 option. Signed-off-by: Werner Robitza --- doc/scaler.texi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/doc/scaler.texi b/doc/scaler.texi index f1b9bba3b4..eb045de6b7 100644 --- a/doc/scaler.texi +++ b/doc/scaler.texi @@ -48,7 +48,8 @@ Select Gaussian rescaling algorithm. Select sinc rescaling algorithm. @item lanczos -Select Lanczos rescaling algorithm. +Select Lanczos rescaling algorithm. The default width (alpha) is 3 and can be +changed by setting @code{param0}. @item spline Select natural bicubic spline rescaling algorithm. -- 2.21.0