@item vismv @var{integer} (@emph{decoding,video})
Visualize motion vectors (MVs).
+This option is deprecated, see the codecview filter instead.
+
Possible values:
@table @samp
@item pf
Show all frames before the first keyframe.
@item skiprd
Deprecated, use mpegvideo private options instead.
+@item export_mvs
+Export motion vectors into frame side-data (see @code{AV_FRAME_DATA_MOTION_VECTORS})
+for codecs that support it. See also @file{doc/examples/export_mvs.c}.
@end table
@item error @var{integer} (@emph{encoding,video})