BOOST_REQUIRE_EQUAL (subs.subtitles().size(), 1);
shared_ptr<dcp::SubtitleImage> si = dynamic_pointer_cast<dcp::SubtitleImage>(subs.subtitles().front());
BOOST_REQUIRE (si);
BOOST_REQUIRE_EQUAL (subs.subtitles().size(), 1);
shared_ptr<dcp::SubtitleImage> si = dynamic_pointer_cast<dcp::SubtitleImage>(subs.subtitles().front());
BOOST_REQUIRE (si);