#include "isdcf_metadata.h"
#include "frame_rate_change.h"
#include "signaller.h"
-#include "ratio.h"
#include <dcp/key.h>
#include <dcp/encrypted_kdm.h>
#include <boost/signals2.hpp>
#include <vector>
#include <inttypes.h>
+namespace xmlpp {
+ class Document;
+}
+
class DCPContentType;
class Log;
class Content;
class Screen;
class AudioProcessor;
class AudioMapping;
+class Ratio;
+class Job;
struct isdcf_name_test;
/** @class Film