From: Stefano Sabatini <stefasab@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Cc: Stefano Sabatini <stefasab@gmail.com>
Subject: [FFmpeg-devel] [PATCH] doc/filters/aspect: update documentation
Date: Sun, 26 Mar 2023 20:15:25 +0200
Message-ID: <20230326181525.59087-1-stefasab@gmail.com> (raw)
Drop mention of unsupported N:M syntax, dropped since 0ed61546c459.
Also, drop reference of common expression constants, and fix
description of a expression parameter.
Fix issue:
http://trac.ffmpeg.org/ticket/9974
---
doc/filters.texi | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 889de8b11a..8d4c6ae2f6 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -20888,12 +20888,9 @@ It accepts the following parameters:
@item r, ratio, dar (@code{setdar} only), sar (@code{setsar} only)
Set the aspect ratio used by the filter.
-The parameter can be a floating point number string, an expression, or
-a string of the form @var{num}:@var{den}, where @var{num} and
-@var{den} are the numerator and denominator of the aspect ratio. If
-the parameter is not specified, it is assumed the value "0".
-In case the form "@var{num}:@var{den}" is used, the @code{:} character
-should be escaped.
+The parameter can be a floating point number string, or an expression. If the
+parameter is not specified, it is assumed the value "0", meaning that the same
+input value is assumed.
@item max
Set the maximum integer value to use for expressing numerator and
@@ -20902,19 +20899,14 @@ Default value is @code{100}.
@end table
-The parameter @var{sar} is an expression containing
-the following constants:
+The parameter @var{sar} is an expression containing the following constants:
@table @option
-@item E, PI, PHI
-These are approximated values for the mathematical constants e
-(Euler's number), pi (Greek pi), and phi (the golden ratio).
-
@item w, h
The input width and height.
@item a
-These are the same as @var{w} / @var{h}.
+Same as @var{w} / @var{h}.
@item sar
The input sample aspect ratio.
--
2.25.1
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next reply other threads:[~2023-03-26 18:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-26 18:15 Stefano Sabatini [this message]
2023-03-27 4:39 ` Gyan Doshi
2023-03-28 22:31 ` Stefano Sabatini
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