@end table
The default is @code{near}.
-@end table
-
-Alternatively, the options can be specified as a flat string:
-@var{fps}[:@var{round}].
-
-See also the @ref{setpts} filter.
-
@item start_time
Assume the first PTS should be the given value, in seconds. This allows for
padding/trimming at the start of stream. By default, no assumption is made
the first frame if a video stream starts after the audio stream or to trim any
frames with a negative PTS.
+@end table
+
+Alternatively, the options can be specified as a flat string:
+@var{fps}[:@var{round}].
+
+See also the @ref{setpts} filter.
+
@subsection Examples
@itemize
@item H
Specify the hue angle as a number of radians. It accepts an
expression, and defaults to "0".
+
+@item b
+Specify the brightness in the [-10,10] range. It accepts an expression and
+defaults to "0".
@end table
@option{h} and @option{H} are mutually exclusive, and can't be
specified at the same time.
-The @option{h}, @option{H} and @option{s} option values are
+The @option{b}, @option{h}, @option{H} and @option{s} option values are
expressions containing the following constants:
@table @option
This filter supports the following commands:
@table @option
+@item b
@item s
@item h
@item H
-Modify the hue and/or the saturation of the input video.
+Modify the hue and/or the saturation and/or brightness of the input video.
The command accepts the same syntax of the corresponding option.
If the specified expression is not valid, it is kept at its current