@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
ffmpeg -i foo.mpg -vcodec libx264 -x264opts keyint=123:min-keyint=20 -an out.mkv
@end example
+@item a53cc @var{boolean}
+Import closed captions (which must be ATSC compatible format) into output.
+Only the mpeg2 and h264 decoders provide these. Default is 0 (off).
+
@item x264-params (N.A.)
Override the x264 configuration using a :-separated list of key=value
parameters.
@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.