for (int j = 0; j < gets_per_frame; ++j) {
Butler::Error e;
pair<shared_ptr<PlayerVideo>, DCPTime> v = _butler->get_video (true, &e);
+ _butler->rethrow ();
if (!v.first) {
throw ProgrammingError(__FILE__, __LINE__, String::compose("butler returned no video; error was %1", static_cast<int>(e)));
}