film->set_name ("scaling_test");
shared_ptr<ImageContent> imc (new ImageContent (film, "test/data/simple_testcard_640x480.png"));
film->examine_and_add_content (imc);
wait_for_jobs ();
film->set_name ("scaling_test");
shared_ptr<ImageContent> imc (new ImageContent (film, "test/data/simple_testcard_640x480.png"));
film->examine_and_add_content (imc);
wait_for_jobs ();