checking if they're defined is wrong as -1 is a valid value to indicate
the feature is not supported. No package bumps as the code sections in
question are not being built at the moment.
from Brad
The Quasar DV codec (libdv) is a software codec for DV video, the
encoding format used by most digital camcorders, typically those
that support the IEEE 1394 (a.k.a. FireWire or i.Link) interface.
Libdv was developed according to the official standards for DV video:
IEC 61834 and SMPTE 314M.
WWW: http://libdv.sourceforge.net/
from Jacob Meuser <jakemsr at jakemsr.com>