@item vbr (@emph{vbr}, @emph{hard-cbr}, and @emph{cvbr})
Set VBR mode. The FFmpeg @option{vbr} option has the following
-valid arguments, with the their @command{opusenc} equivalent options
+valid arguments, with the @command{opusenc} equivalent options
in parentheses:
@table @samp
@table @option
@item format
Can be set to either @code{j2k} or @code{jp2} (the default) that
-allows to store non-rgb pix_fmts.
+makes it possible to store non-rgb pix_fmts.
@end table
@item b
Set target video bitrate in bit/s and enable rate control.
-@item threads
-Set number of encoding threads.
-
@item kvazaar-params
Set kvazaar parameters as a list of @var{name}=@var{value} pairs separated
by commas (,). See kvazaar documentation for a list of options.