/* These examiner calls could call other content methods which take a lock on the mutex */
dcp::Size const vs = d->video_size ();
float const vfr = d->video_frame_rate ();
/* These examiner calls could call other content methods which take a lock on the mutex */
dcp::Size const vs = d->video_size ();
float const vfr = d->video_frame_rate ();