On Wed, 30 Dec 2015 13:49:07 +0100, Paul B Mahol wrote:
> diff --git a/doc/filters.texi b/doc/filters.texi
[...]
> +@item ascale
> +Set amplitude scale.
> +
> +It accepts the following values:
> +@table @samp
> +@item log
> +logarithmic
> +@item lin
> +linear
> +@end table
Default is @code{lin}.
> +@item pheight
> +Set histogram percentage of window height.
Default is 0.25.
> +@item slide
> +Set sonogram sliding.
> +
> +It accepts the following values:
> +@table @samp
> +@item replace
> +logarithmic
> +@item scroll
> +scroll from to bottom.
scroll from top to bottom
> +@end table
Default is @code{replace}.
[...]
> +static const AVOption ahistogram_options[] = {
> + { "mode", "set how is histogram calculated", OFFSET(mode),
> AV_OPT_TYPE_INT, {.i64=SINGLE}, 0, NB_MODES-1, FLAGS, "mode" },
"set method to display channels" makes more sense to me.
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