+enum ChangeType
+{
+ CHANGE_TYPE_PENDING,
+ CHANGE_TYPE_DONE,
+ CHANGE_TYPE_CANCELLED
+};
+
+
+enum VideoRange
+{
+ VIDEO_RANGE_FULL, ///< full, or "JPEG" (0-255 for 8-bit)
+ VIDEO_RANGE_VIDEO ///< video, or "MPEG" (16-235 for 8-bit)
+};
+
+extern std::string video_range_to_string (VideoRange r);
+extern VideoRange string_to_video_range (std::string s);
+
+
+/** Type of captions.
+ *
+ * The generally accepted definitions seem to be:
+ * - subtitles: text for an audience who doesn't speak the film's language
+ * - captions: text for a hearing-impaired audience
+ * - open: on-screen
+ * - closed: only visible by some audience members
+ *
+ * At the moment DoM supports open subtitles and closed captions.
+ *
+ * There is some use of the word `subtitle' in the code which may mean
+ * caption in some contexts.
+ */
+enum TextType
+{
+ TEXT_UNKNOWN,
+ TEXT_OPEN_SUBTITLE,
+ TEXT_CLOSED_CAPTION,
+ TEXT_COUNT
+};
+
+extern std::string text_type_to_string (TextType t);
+extern std::string text_type_to_name (TextType t);
+extern TextType string_to_text_type (std::string s);
+
+enum ExportFormat
+{
+ EXPORT_FORMAT_PRORES,
+ EXPORT_FORMAT_H264_AAC,
+ EXPORT_FORMAT_H264_PCM,
+ EXPORT_FORMAT_SUBTITLES_DCP
+};
+