film->set_interop (false);
shared_ptr<StringTextFileContent> content (new StringTextFileContent ("test/data/subrip2.srt"));
film->examine_and_add_content (content);
film->set_interop (false);
shared_ptr<StringTextFileContent> content (new StringTextFileContent ("test/data/subrip2.srt"));
film->examine_and_add_content (content);