dcp::Time (rint (_subtitles[_next].period.from.seconds() * 250)),
dcp::Time (rint (_subtitles[_next].period.to.seconds() * 250)),
dcp::Time (rint (_subtitles[_next].period.from.seconds() * 250)),
dcp::Time (rint (_subtitles[_next].period.to.seconds() * 250)),