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-rw-r--r--doc/filters.texi36
1 files changed, 29 insertions, 7 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index c04930f70d..76a73e6dad 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6052,22 +6052,42 @@ The filter accepts the following named parameters:
@table @option
@item size, s
Specify the video size for the output. Default value is @code{640x512}.
+
@item slide
Specify if the spectrum should slide along the window. Default value is
@code{0}.
+
@item mode
-Specify display mode. Can be either @code{combined}: all channels are
-displayed in the same row, or @code{separate}: all channels are displayed
-in separate rows. Default value is @code{combined}.
+Specify display mode.
+
+It accepts the following values:
+@table @samp
+@item combined
+all channels are displayed in the same row
+@item separate
+all channels are displayed in separate rows
+@end table
+
+Default value is @samp{combined}.
+
@item color
-Specify display color mode. Can be either @code{channel}: each channel
-is displayed in a separate color, or @code{intensity}: each channel is
-displayed using the same color scheme. Default value is @code{channel}.
+Specify display color mode.
+
+It accepts the following values:
+@table @samp
+@item channel
+each channel is displayed in a separate color
+@item intensity
+each channel is is displayed using the same color scheme
+@end table
+
+Default value is @samp{channel}.
+
@item scale
Specify scale used for calculating intensity color values.
It accepts the following values:
-@table @option
+@table @samp
@item lin
linear
@item sqrt
@@ -6078,6 +6098,8 @@ cubic root
logarithmic
@end table
+Default value is @samp{sqrt}.
+
@item saturation
Set saturation modifier for displayed colors. Negative values provide
alternative color scheme. @code{0} is no saturation at all.