auto vf_ov = make_shared<DCPContent>(ov_dir);
auto vf_sound = content_factory("test/data/sine_440.wav").front();
auto vf_film = new_test_film2(name + "_vf", { vf_ov, vf_sound });
vf_ov->set_reference_video(true);
auto vf_ov = make_shared<DCPContent>(ov_dir);
auto vf_sound = content_factory("test/data/sine_440.wav").front();
auto vf_film = new_test_film2(name + "_vf", { vf_ov, vf_sound });
vf_ov->set_reference_video(true);