Bug#894414: pdf-presenter-console: cursor changesto hand over movie area, voice id hear but animation does not start

[Evgeny Stambulchik]

On Wed, 10 Oct 2018 09:57:07 +0100 "Barak A. Pearlmutter" 
<ba...@pearlmutter.net> wrote:
And the
code should cough out some sort of error message if it tries to do
video and fails because gstreamer isn't installed;

That's exactly what the commit I referenced does.