film->set_container (Ratio::from_id ("185"));
film->set_name ("play_test");
shared_ptr<FFmpegContent> A (new FFmpegContent (film, "test/data/red_24.mp4"));
film->set_container (Ratio::from_id ("185"));
film->set_name ("play_test");
shared_ptr<FFmpegContent> A (new FFmpegContent (film, "test/data/red_24.mp4"));