[mythtv] Invalid pointer de-ref in NuppelVideoRecorder.cpp

[Gary Buhrmaster]

On Tue, Dec 3, 2019 at 9:02 PM Mark Spieth <mark at digivation.com.au> wrote:

> My recollection of nuppelvideo is that it was a low cpu software video
> encoder for analog video recording.

And I think my recollection was that nupplevideo
was essentially both an encoding, and a container
format (just like MPEG2), which means two people
can be talking about different things when using
the same term.