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doc/filters: document x and y drawtext expression parameters
author
Stefano Sabatini
<stefasab@gmail.com>
Tue, 1 May 2012 10:26:11 +0000
(12:26 +0200)
committer
Stefano Sabatini
<stefasab@gmail.com>
Thu, 3 May 2012 08:26:34 +0000
(10:26 +0200)
doc/filters.texi
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diff --git
a/doc/filters.texi
b/doc/filters.texi
index
ae47034
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a965e3f
100644
(file)
--- a/
doc/filters.texi
+++ b/
doc/filters.texi
@@
-1423,6
+1423,12
@@
the height of the rendered text
@item text_w, tw
the width of the rendered text
+
+@item x, y
+the x and y offset coordinates where the text is drawn.
+
+These parameters allow the @var{x} and @var{y} expressions to refer
+each other, so you can for example specify @code{y=x/dar}.
@end table
If libavfilter was built with @code{--enable-fontconfig}, then