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authorStefano Sabatini <stefasab@gmail.com>2013-02-01 18:32:21 +0100
committerStefano Sabatini <stefasab@gmail.com>2013-02-01 18:32:21 +0100
commit902fa77fd716260ec3de59b4df87a7870c81a4e1 (patch)
tree766f0d79882f85d28ff7c234854931fe6488eaea /doc/filters.texi
parentb868275ddbec4e047f82c79ad323cd319636f84d (diff)
downloadffmpeg-902fa77fd716260ec3de59b4df87a7870c81a4e1.tar.gz
doc/filters: fix syntax and description for the lut* options
Diffstat (limited to 'doc/filters.texi')
-rw-r--r--doc/filters.texi36
1 files changed, 24 insertions, 12 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 3e9babbd68..3334787fc7 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -3272,10 +3272,14 @@ corresponding pixel component values.
The @var{lut} filter requires either YUV or RGB pixel formats in
input, and accepts the options:
@table @option
-@item @var{c0} (first pixel component)
-@item @var{c1} (second pixel component)
-@item @var{c2} (third pixel component)
-@item @var{c3} (fourth pixel component, corresponds to the alpha component)
+@item c0
+set first pixel component expression
+@item c1
+set second pixel component expression
+@item c2
+set third pixel component expression
+@item c3
+set fourth pixel component expression, corresponds to the alpha component
@end table
The exact component associated to each option depends on the format in
@@ -3284,19 +3288,27 @@ input.
The @var{lutrgb} filter requires RGB pixel formats in input, and
accepts the options:
@table @option
-@item @var{r} (red component)
-@item @var{g} (green component)
-@item @var{b} (blue component)
-@item @var{a} (alpha component)
+@item r
+set red component expression
+@item g
+set green component expression
+@item b
+set blue component expression
+@item a
+alpha component expression
@end table
The @var{lutyuv} filter requires YUV pixel formats in input, and
accepts the options:
@table @option
-@item @var{y} (Y/luminance component)
-@item @var{u} (U/Cb component)
-@item @var{v} (V/Cr component)
-@item @var{a} (alpha component)
+@item y
+set Y/luminance component expression
+@item u
+set U/Cb component expression
+@item v
+set V/Cr component expression
+@item a
+set alpha component expression
@end table
The expressions can contain the following constants and functions: