Protect the public API of Player with a mutex, since
authorCarl Hetherington <cth@carlh.net>
Thu, 26 Jul 2018 19:59:04 +0000 (20:59 +0100)
committerCarl Hetherington <cth@carlh.net>
Thu, 26 Jul 2018 19:59:04 +0000 (20:59 +0100)
seek() and pass() may be called from the Butler thread
ad the same time as other Player methods are called from
the GUI thread (by FilmViewer and ClosedCaptionViewDialog).


No differences found