*/
+/** @file src/util.h
+ * @brief Utility methods.
+ */
+
#include <string>
-#include <sigc++/sigc++.h>
+#include <stdint.h>
+#include <boost/signals2.hpp>
+#include <openjpeg.h>
+#include "types.h"
namespace libdcp {
+
+class ARGBFrame;
+/** Create a UUID.
+ * @return UUID.
+ */
extern std::string make_uuid ();
-extern std::string make_digest (std::string, sigc::signal1<void, float> *);
+
+/** Create a digest for a file.
+ * @param filename File name.
+ * @param progress If non-0, a signal which will be emitted periodically to update
+ * progress; the parameter will start at 0.5 and proceed to 1.
+ * @return Digest.
+ */
+extern std::string make_digest (std::string filename, boost::signals2::signal<void (float)>* progress);
+
+extern std::string content_kind_to_string (ContentKind kind);
+extern ContentKind content_kind_from_string (std::string kind);
+extern bool starts_with (std::string big, std::string little);
+extern bool ends_with (std::string big, std::string little);
+extern bool empty_or_white_space (std::string s);
+
+extern opj_image_t* decompress_j2k (uint8_t* data, int64_t size, int reduce);
+extern boost::shared_ptr<ARGBFrame> xyz_to_rgb (opj_image_t* xyz_frame);
}